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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 167 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5078265397284244 2.6786e-08  
a 1.698568963312518 1.1564e-09 au
q .8359905641834251 4.5907e-08 au
i 12.16749719356756 4.4413e-06 deg
node 356.6622234261113 7.3067e-06 deg
peri 224.6832948078031 8.5096e-06 deg
M 230.8829306228519 2.5705e-06 deg
tp 2459290.504250094931
(2021-Mar-17.00425009)
6.034e-06 TDB
period 808.5803878433819
2.21
8.2576e-07
2.261e-09
d
yr
n .4452247487231044 4.5469e-10 deg/d
Q 2.561147362441611 1.7437e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -5.513042840612778E-15 1.287E-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)      630  
   # delay obs. used      8  
   # Doppler obs. used      4  
   data-arc span      25807 days (70.66 yr)  
   first obs. used      1950-02-23  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50115  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-21 07:43:33  

Additional Information
 Earth MOID = .0401055 au 
 Jupiter MOID = 2.48364 au 
 T_jup = 4.026 
[ show covariance matrix ]

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 0.246868589600908 0.246867503078433 0.246869676136349 16.5680055209424 16.567354065332 2418869.661730948 0.180653867138439 105.852287182421 10.3583000535182 59.6818153591651 2853218.71909625 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
1919-Mar-02 00:48 < 00:01 Earth 0.0836500526452674 0.0836481568753268 0.0836519484314795 15.6996969356214 15.6976679314782 2422019.533560130 0.258724031583469 111.055442274112 5.44316016869781 -31.6998298439376 1143392.08354013 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
1930-May-19 12:00 < 00:01 Earth 0.236780860279863 0.23678066989567 0.236781050665443 11.3348113183081 11.3338184983754 2426115.999735173 0.587277679461945 54.3342612998641 8.02472025696843 84.5809744937593 3413300.28769387 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
1939-Feb-07 18:38 < 00:01 Earth 0.449419392998871 0.449418093003732 0.449420692994035 26.3473970056906 26.3471719838426 2429302.276716952 0.103315592647665 65.0640674994527 6.90086855541876 -4.94171060035011 1228851.88993178 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
1941-Jul-25 10:35 < 00:01 Earth 0.340032756364992 0.340031702622906 0.340033810108933 20.6748305405377 20.6744515279595 2430200.941168802 0.0962175696954588 66.3103987660554 10.2975072881638 38.1326517367743 2837128.13258402 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
1950-Mar-12 23:36 < 00:01 Earth 0.0592865722242597 0.0592859953387282 0.0592871491160831 12.9729955817225 12.9695308170416 2433353.483246604 0.146505252204495 42.3914468157757 5.94925382800764 47.8850538183559 1099802.89490105 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
1961-Jun-29 14:05 < 00:01 Earth 0.215008521746486 0.215008287931744 0.215008755561473 11.0904657749512 11.0893483232079 2437480.086738188 0.146349834881095 32.3730144588773 10.8150140644774 -81.7864525913729 3012220.081678 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
1970-Feb-18 19:12 < 00:01 Earth 0.243968365881202 0.243967794715354 0.243968937047217 20.4005470930738 20.4000117370131 2440636.300138221 0.0377421698862473 30.261439317349 4.64596653698122 -19.9972987941805 2711510.809021 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
1981-Apr-22 01:27 < 00:01 Earth 0.207258603812494 0.207258373925224 0.20725883369987 11.78443075765 11.783339791482 2444716.560686002 0.103664043266877 14.1105678718357 5.75705485107672 39.6988725035496 3102959.78315842 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
1992-Jul-19 03:37 < 00:01 Earth 0.257981495304073 0.257981235283319 0.257981755324857 17.3117963264457 17.3111997183385 2448822.650843046 0.0231436754979929 14.5358191148361 9.82520026854522 37.8340333936903 2974672.23689883 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2001-Mar-05 01:23 < 00:01 Earth 0.0520726304309749 0.052072628423345 0.0520726324386049 14.7320848846486 14.7286112044585 2451973.557743113 0.00176811249797038 9.89214061346099 0.100150722330562 -89.9988454197873 29616054.0994587 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2012-May-20 16:10 < 00:01 Earth 0.239037199116323 0.239037032925477 0.239037365307169 11.2805425803141 11.2795544006807 2456068.173320835 0.0647339681869011 12.559951134044 8.18039640255569 -82.0344362964691 3354405.68704463 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2021-Feb-05 10:48 < 00:01 Earth 0.494505560683783 0.494505420830884 0.494505700536681 27.747752194544 27.7475580098972 2459250.949756465 0.0255933638839501 8.09320722998584 6.16264330437314 -51.5199196621437 9812323.58615407 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2023-Jul-22 21:26 < 00:01 Earth 0.283418246972848 0.283417892047373 0.283418601898774 18.5858806084328 18.5853747752495 2460148.392820804 0.023538715428683 27.4789866422886 9.43724100907476 54.5390135564484 3593903.89947782 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2032-Mar-02 06:44 < 00:01 Earth 0.0757522389332209 0.0757518874205605 0.0757525904460967 15.5803441211401 15.5780863947708 2463293.780599851 0.0552576905423816 18.7381167304921 5.2372321310922 -21.6092587895986 922872.366324409 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2043-Apr-29 00:54 < 00:01 Earth 0.218988133012668 0.218987999269352 0.218988266756383 11.7437510170992 11.7427149113127 2467368.537270515 0.177020838444964 20.4272130845983 4.33903884887667 75.300469118363 5825050.74388515 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2054-Jul-12 06:55 < 00:01 Earth 0.206812313605742 0.206812090583657 0.206812536628615 13.7463543662847 13.7454170994834 2471460.788074743 0.0911913190322114 48.1722780069016 10.0456499131433 84.190476460143 2988046.74358614 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2063-Feb-17 10:31 < 00:01 Earth 0.282252446638736 0.282251574311293 0.282253318966196 21.5638859267401 21.5634481506641 2474602.938177736 0.0855379551155015 43.5960670362659 5.55487446215789 -3.86110718610768 1004679.49984898 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2065-Aug-02 11:51 < 00:01 Earth 0.448152622688034 0.448151573543614 0.448153671833168 24.5071804576045 24.5069378551362 2475499.994057079 0.0724187122526422 59.4447034609519 9.57088015812879 28.7575049936365 3254130.31588714 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2074-Mar-19 22:19 < 00:01 Earth 0.0954596278660742 0.0954587477515287 0.095460507985384 12.0902021668211 12.0878932912565 2478651.429664028 0.253888031779849 55.4165759661497 4.66214398126189 37.7832800052492 1861972.95241487 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2085-Jun-12 01:26 < 00:01 Earth 0.232195214941786 0.232194811151311 0.232195618737183 10.2838533296912 10.2827374258296 2482753.559386170 0.586824726957532 65.2732318346272 10.3395351395807 -74.4530665342222 2930887.69855442 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2094-Feb-09 11:44 < 00:01 Earth 0.427745389538577 0.427744128532743 0.427746650544411 25.8377514241417 25.8375103368435 2485917.988799902 0.110666514319085 62.9050058080153 5.7013649456921 -1.60071525420789 983631.881020232 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2096-Jul-27 01:22 < 00:01 Earth 0.338023672062972 0.338022433272702 0.338024910855835 20.8004706544033 20.8000916920787 2486816.556695212 0.105074761361598 77.7722647598084 9.64119557574759 37.7549791628764 2987959.30905186 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2105-Mar-10 01:40 < 00:01 Earth 0.0363158961024691 0.0363157538485837 0.0363160383832939 13.8033685476022 13.7980521904361 2489963.569170297 0.201417316639008 65.917249104677 4.6699506891826 85.338325728096 1139109.49931502 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2116-May-29 22:20 00:02 Earth 0.239158516573907 0.239158114552767 0.239158918636334 10.8756620689582 10.8746376178038 2494062.430642799 2.06431023147297 176.947114837833 9.089272774651 -84.2013723049883 3132350.557413 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2125-Feb-09 15:26 < 00:01 Earth 0.444054930763789 0.444046172307734 0.44406368922098 26.3148922388185 26.3146642172411 2497240.143341403 0.656960008032402 438.17974775145 5.60914520904324 -4.63818934252417 897835.810193472 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2127-Jul-28 01:07 < 00:01 Earth 0.321260785852884 0.321253157818759 0.321268414002878 20.2086869465625 20.2082765337096 2498138.546635930 0.729355856506831 487.148731272005 9.56316495272021 38.6735796427661 2866171.34050044 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2136-Mar-11 20:44 00:02 Earth 0.0425961820728867 0.0425893683411402 0.0426029982770259 13.355567412744 13.3508829961741 2501288.363690900 1.920101719119 614.413587919136 4.5933322601857 56.4186829064164 1146933.30666524 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2147-Jun-28 00:11 00:09 Earth 0.218743458269751 0.218734935427777 0.218751984467025 10.3603960543911 10.3592202757428 2505413.507805362 9.43263296080904 1416.71238191397 10.514126092309 -72.5398832590559 3226637.44158406 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2156-Feb-19 06:19 00:03 Earth 0.281637477417046 0.281598910682708 0.281676044251713 21.6105808731993 21.610143089215 2508571.763474644 3.08964599576571 1941.35068172655 5.17085253655881 -7.85395544523082 1026702.14627393 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2158-Aug-05 20:34 00:03 Earth 0.467772364166792 0.467736442705436 0.467808286175792 25.2521828246674 25.2519572549418 2509470.356983071 2.82212661955668 1961.03532236236 9.48832949695951 24.0176907078021 2756241.28879546 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2167-Apr-20 03:08 00:14 Earth 0.200667757804661 0.200645878459573 0.200689641622978 11.5856976888028 11.5845515583584 2512649.630332322 14.2329674612824 1850.11991778467 5.55655683411848 53.8603873123827 3524210.17032339 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2178-Jul-23 07:40 00:04 Earth 0.251961480589547 0.25192961234576 0.251993355541608 17.5278336070938 17.527230273597 2516761.819239378 4.34991673619208 2594.05736892955 9.45084475285713 52.2195864674112 2892347.49352192 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2187-Mar-08 23:09 00:07 Earth 0.0352236220637937 0.0352047793927076 0.0352425302284779 14.2981724963509 14.2928810038917 2519912.464898283 6.6951526395777 2573.83405568414 4.61179810666355 -68.5526064960161 1036644.72896092 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44
2198-Jun-07 02:20 01:07 Earth 0.236817196004522 0.236792306846298 0.23684214254886 10.4690111841343 10.4679364135991 2524020.597120396 66.7073385103157 5944.96655079677 9.76681687321604 -77.9407708344998 3009171.57572106 T 167 CATAB v2.0f-lin.ifort 2020-Oct-21 07:43:50 2020-Oct-21 07:44

Alternate Designations
 1950 DA = 2000 YK66 
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