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29075 (1950 DA)
Classification: Apollo [NEO, PHA]          SPK-ID: 2029075
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 166 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5078265461162728 2.6793e-08  
a 1.698568963220988 1.1591e-09 au
q .8359905532881752 4.5919e-08 au
i 12.16749549995621 4.4834e-06 deg
node 356.662226848215 7.3398e-06 deg
peri 224.6832916054013 8.5399e-06 deg
M 230.8829305482103 2.5835e-06 deg
tp 2459290.504250239139
(2021-Mar-17.00425024)
6.0639e-06 TDB
period 808.5803877780239
2.21
8.2766e-07
2.266e-09
d
yr
n .4452247487590921 4.5573e-10 deg/d
Q 2.5611473731538 1.7477e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -5.638680715907459E-15 1.288E-15
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      627  
   # delay obs. used      8  
   # Doppler obs. used      4  
   data-arc span      25478 days (69.75 yr)  
   first obs. used      1950-02-23  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49936  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-26 05:04:05  

Additional Information
 Earth MOID = .0401055 au 
 Jupiter MOID = 2.48364 au 
 T_jup = 4.026 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456795.5 (2014-May-18.0) TDB
Reference: JPL 166 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5077378372734678 2.68e-08  
q .8361529126865317 4.5839e-08 au
tp 2456864.877895334359
(2014-Jul-26.37789533)
4.2026e-06 TDB
node 356.6850633576221 7.3373e-06 deg
peri 224.640945770668 8.5381e-06 deg
i 12.17042233853726 4.4843e-06 deg

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -5.638680715907459E-15 1.288E-15
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      627  
   # delay obs. used      8  
   # Doppler obs. used      4  
   data-arc span      25478 days (69.75 yr)  
   first obs. used      1950-02-23  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49936  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-26 05:04:05  

Additional Information
 Jupiter MOID = 2.48364 au 
 T_jup = 4.026 
Orbit Covariance (7×7)
  e q tp node peri i A2
e 7.182201883256069E-16 -1.228455221233009E-15 -3.744370141472837E-14 1.233901498593734E-13 -8.643886214126258E-14 4.635210160278274E-15 -1.97241082499217E-23
q -1.228455221233009E-15 2.101242756540077E-15 6.496500230780467E-14 -2.105310205134944E-13 1.481279243537707E-13 -8.748086819448614E-15 3.398219868583529E-23
tp -3.744370141472837E-14 6.496500230780467E-14 1.766226425772046E-11 -6.201670392564307E-13 1.410009458594314E-11 -1.260174092240382E-11 3.259519177962706E-21
node 1.233901498593734E-13 -2.105310205134944E-13 -6.201670392564307E-13 5.383569981459431E-11 -5.279582591477516E-11 -2.142612685425323E-11 -2.994198618968855E-21
peri -8.643886214126258E-14 1.481279243537707E-13 1.410009458594314E-11 -5.279582591477516E-11 7.289883379646722E-11 1.592355306419657E-11 4.119184801386151E-21
i 4.635210160278274E-15 -8.748086819448614E-15 -1.260174092240382E-11 -2.142612685425323E-11 1.592355306419657E-11 2.010898224005271E-11 -1.542232269803349E-21
A2 -1.97241082499217E-23 3.398219868583529E-23 3.259519177962706E-21 -2.994198618968855E-21 4.119184801386151E-21 -1.542232269803349E-21 1.65973331334273E-30

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO244437  
diameter diameter 2.000 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
rotation period rot_per 2.1216 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2001) http://www.asu.cas.cz/~ppravec/neo.htm]
[Busch, M.W.; Giorgini, J.D.; Ostro, S.J.; Benner, L.A.M.; et al. (2007) Icarus 190, 608-621.]
geometric albedo albedo 0.070   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

29075 (1950 DA)          Discovered 1950-Feb-22 by Wirtanen, C. A. at Mt. Hamilton
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1910-Jul-17 03:53 < 00:01 Earth 0.246868514149519 0.246867427468229 0.246869600843788 16.5680027098189 16.5673512538988 2418869.661724652 0.180745963109349 105.900905606321 10.4527724659848 59.7009416929079 2828015.3709769 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
1919-Mar-02 00:48 < 00:01 Earth 0.0836501251603746 0.0836482287654297 0.0836520215716005 15.6996988902 15.6976698880684 2422019.533552612 0.258811051953365 111.090680891519 5.45167725959431 -31.6987849808324 1141675.16111799 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
1930-May-19 12:00 < 00:01 Earth 0.236780840280839 0.23678064891878 0.23678103164427 11.3348119812718 11.3338191613132 2426115.999721588 0.587449668231207 54.3372215841955 8.08198972531123 84.5798193522852 3386979.24630433 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
1939-Feb-07 18:38 < 00:01 Earth 0.449419420366715 0.449418120306941 0.449420720426514 26.3473978821674 26.3471728603406 2429302.276713349 0.103326033251207 65.0675479035504 6.91518523825678 -4.94435771336011 1228073.82146194 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
1941-Jul-25 10:35 < 00:01 Earth 0.340032698658326 0.340031644896549 0.340033752421958 20.6748291433847 20.6744501307165 2430200.941165655 0.0962224652189645 66.314166392146 10.3944207869909 38.1459966238785 2812590.16136616 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
1950-Mar-12 23:36 < 00:01 Earth 0.0592865812023892 0.0592860041108129 0.0592871583002607 12.9729953430874 12.9695305788675 2433353.483246210 0.146521484792824 42.399595244379 5.9562729493818 47.8773880979362 1098360.9865028 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
1961-Jun-29 14:05 < 00:01 Earth 0.215008498570186 0.215008263095514 0.21500873404509 11.090465644532 11.0893481926551 2437480.086736326 0.146416212947715 32.3887689458391 10.9152338718681 -81.8339179852351 2985159.48080064 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
1970-Feb-18 19:12 < 00:01 Earth 0.243968344805085 0.243967772876172 0.243968916734165 20.4005464391772 20.400011083053 2440636.300138511 0.0377793797699142 30.302516191966 4.65320684889415 -20.0008595659781 2708178.31429134 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
1981-Apr-22 01:27 < 00:01 Earth 0.207258604352731 0.207258373665134 0.207258835040434 11.7844308098985 11.7833398437382 2444716.560690199 0.103824244990625 14.1758909467101 5.75870414436263 39.7631825544668 3102052.0059055 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
1992-Jul-19 03:37 < 00:01 Earth 0.257981467397001 0.257981206000989 0.257981728793042 17.3117961282573 17.3111995200788 2448822.650842316 0.0231927495891377 14.5590061694535 9.90937620008556 37.4501463868684 2950512.4774989 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2001-Mar-05 01:23 < 00:01 Earth 0.0520726308642761 0.052072628856214 0.0520726328723383 14.7320843787878 14.7286106985073 2451973.557743400 0.00176830779154391 9.90591167345642 0.100173222880237 -89.9990754418563 29445177.7139636 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2012-May-20 16:10 < 00:01 Earth 0.239037184195121 0.239037016658561 0.239037351731695 11.2805425919405 11.2795544122464 2456068.173323205 0.0651032306476166 12.5639906666457 8.25527627139499 -82.2524908745471 3325084.89441992 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2021-Feb-05 10:48 < 00:01 Earth 0.494505545834823 0.494505404908459 0.494505686761187 27.7477518615239 27.7475576768689 2459250.949756247 0.0256633856092207 8.13680871301977 6.18605550739614 -50.8935523985236 9744637.40670223 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2023-Jul-22 21:26 < 00:01 Earth 0.283418216016162 0.283417861067318 0.283418570965442 18.5858802291796 18.5853743959307 2460148.392819814 0.0236087392402159 27.5212371487162 9.51235775293877 54.6923456541676 3572430.43772098 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2032-Mar-02 06:44 < 00:01 Earth 0.0757522388779256 0.0757518861496124 0.075752591606454 15.5803438041269 15.5780860777101 2463293.780599487 0.0554168861242986 18.8120828268667 5.25438368475203 -21.6852089721988 921573.073218763 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2043-Apr-29 00:54 < 00:01 Earth 0.218988121138819 0.218987987288457 0.21898825498958 11.7437510923534 11.7427149865175 2467368.537269400 0.177531995872192 20.4357675432157 4.34618010932923 75.3031982537983 5810114.72809265 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2054-Jul-12 06:55 < 00:01 Earth 0.20681228114881 0.206812056970824 0.206812505327549 13.7463531427271 13.7454158756952 2471460.788071100 0.0912846609347438 48.2154808248638 10.1321361966952 84.2528150052802 2962596.1950446 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2063-Feb-17 10:31 < 00:01 Earth 0.282252475813973 0.282251602720169 0.282253348907777 21.5638867511003 21.5634489750862 2474602.938174806 0.0856244693295315 43.6345877519435 5.56862179751003 -3.8655757575505 1003694.21067458 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2065-Aug-02 11:51 < 00:01 Earth 0.44815255654687 0.448151506943706 0.448153606150721 24.5071788403005 24.5069362377803 2475499.994054233 0.0724958552072659 59.4894471746124 9.6560041562256 28.7983844711421 3231397.91742917 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2074-Mar-19 22:19 < 00:01 Earth 0.0954595969828075 0.0954587162892241 0.0954604776811661 12.0902025517243 12.0878936754863 2478651.429657400 0.25410957658747 55.4568963542378 4.66592161147176 37.7885057479709 1860638.92578351 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2085-Jun-12 01:25 < 00:01 Earth 0.232195209386063 0.23219480402501 0.232195614752012 10.2838542448397 10.2827383410506 2482753.559365181 0.587270680091897 65.3050570372735 10.435050837735 -74.4258773511164 2903880.33692851 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2094-Feb-09 11:44 < 00:01 Earth 0.42774544603372 0.427744184286589 0.427746707780851 25.8377531501153 25.8375120628651 2485917.988795501 0.110754745880463 62.9419885093015 5.71605500022954 -1.60087373084465 982894.447498681 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2096-Jul-27 01:22 < 00:01 Earth 0.338023586943236 0.33802234772887 0.338024826160195 20.8004683118536 20.8000893493909 2486816.556691894 0.105158653342184 77.8189454245688 9.72911490100771 37.7804447645613 2963260.94381021 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2105-Mar-10 01:40 < 00:01 Earth 0.0363158995204056 0.0363157571909279 0.0363160418768267 13.8033697438961 13.7980533876914 2489963.569163784 0.201563410909125 65.959214170878 4.67592214669481 85.3414684986084 1137790.17301008 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2116-May-29 22:20 00:02 Earth 0.239158513546243 0.239158110195829 0.239158916937875 10.8756652719166 10.8746408210509 2494062.430578792 2.06573659251982 177.044542656826 9.16805730944531 -84.1933121673458 3104672.86708183 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2125-Feb-09 15:26 < 00:01 Earth 0.444055322211096 0.444046558083327 0.444064086340001 26.314903825259 26.314675803983 2497240.143319904 0.657407848984444 438.463525832177 5.62409705635992 -4.63823240392561 895526.639225384 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2127-Jul-28 01:07 < 00:01 Earth 0.321260413605751 0.321252781007209 0.321268046320327 20.2086738349896 20.2082634213949 2498138.546612161 0.729846360066306 487.467154247228 9.65015339952613 38.6776853740643 2840631.09407621 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2136-Mar-11 20:44 00:02 Earth 0.0425958874658961 0.0425890693858097 0.0426027080217213 13.3555793959547 13.3508949511846 2501288.363631384 1.92139033965453 614.820454455587 4.59866309427673 56.4195938029231 1145724.38926703 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2147-Jun-28 00:11 00:09 Earth 0.218743818005231 0.218735288455143 0.218752350915199 10.3603757383112 10.3591999592908 2505413.507509594 9.43936531466254 1417.69831250831 10.6089328711512 -72.5383231059242 3197834.76306204 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2156-Feb-19 06:19 00:03 Earth 0.281639199902487 0.281600605893406 0.281677794012027 21.6106307219334 21.6101929416365 2508571.763378301 3.09184714008183 1942.72334734624 5.18280786777292 -7.85389635149106 1024391.19943352 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2158-Aug-05 20:34 00:03 Earth 0.467770731608915 0.467734784938672 0.467806678827598 25.2521309414796 25.2519053705033 2509470.356894141 2.8241494906095 1962.42799425791 9.57408467870618 24.0187735009732 2731798.18323269 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2167-Apr-20 03:07 00:14 Earth 0.200666772336097 0.200644877257048 0.200688671894831 11.5856924948585 11.5845463582713 2512649.629892533 14.2432509695226 1851.44937806566 5.55844803827254 53.8603611739307 3522090.7580511 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2178-Jul-23 07:40 00:04 Earth 0.251960026980192 0.251928136574038 0.251991924104563 17.5277653914707 17.5271620521449 2516761.819103737 4.35308053222542 2595.93127937152 9.53578883238743 52.2207870055533 2866445.44917674 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2187-Mar-08 23:09 00:07 Earth 0.0352244696584934 0.0352056104296011 0.0352433944718233 14.2982296529447 14.2929383089963 2519912.464691061 6.69999313051621 2575.70942988956 4.61821825225763 -68.5492101020294 1035323.25431746 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04
2198-Jun-07 02:17 01:07 Earth 0.236818280873297 0.236793380359239 0.236843238836356 10.4691026897477 10.4680279335314 2524020.595064783 66.7457844378894 5948.21541046112 9.8546754762279 -77.9418726883131 2982274.33563113 T 166 CATAB v2.0f-lin.ifort 2019-Nov-26 05:04:21 2019-Nov-26 05:04

Alternate Designations
 1950 DA = 2000 YK66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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