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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 164 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5080218377691715 2.733e-08  
a 1.698408089366111 1.1508e-09 au
q .8355796905243118 4.6826e-08 au
i 12.16957021734454 4.595e-06 deg
node 356.6697746547808 7.4985e-06 deg
peri 224.6722865072303 8.693e-06 deg
M 52.77544411987392 2.4418e-06 deg
tp 2458481.980203448491
(2018-Dec-29.48020345)
5.3829e-06 TDB
period 808.4655178197892
2.21
8.2173e-07
2.25e-09
d
yr
n .4452880080412356 4.5259e-10 deg/d
Q 2.56123648820791 1.7355e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -5.6082770927948E-15 1.289E-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)      620  
   # delay obs. used      8  
   # Doppler obs. used      4  
   data-arc span      25446 days (69.67 yr)  
   first obs. used      1950-02-23  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49712  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:09:42  

Additional Information
 Earth MOID = .0401275 au 
 Jupiter MOID = 2.48419 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-January); 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

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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 0.246868528639335 0.246867437046217 0.246869620245461 16.5680033687427 16.5673519128868 2418869.661724490 0.180780367990014 106.170867173486 10.7301042934753 59.6558582844179 2757949.21039918 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
1919-Mar-02 00:48 < 00:01 Earth 0.0836501133481838 0.0836482161585823 0.0836520105540758 15.6996983013089 15.6976692988147 2422019.533553590 0.258937174234791 111.131937266786 5.4789909649011 -31.6947475803825 1136287.70107607 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
1930-May-19 12:00 < 00:01 Earth 0.2367808346792 0.236780640265058 0.236781029094695 11.3348117382465 11.3338189182431 2426115.999724523 0.587804334784126 54.5483749436706 8.24790647151432 84.5759281335611 3323846.74043331 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
1939-Feb-07 18:38 < 00:01 Earth 0.449419413510712 0.449418113282862 0.449420713738588 26.3473974676112 26.3471724457774 2429302.276713138 0.10335946556496 65.0755547724935 6.96897193399671 -4.94061802574013 1223906.74083611 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
1941-Jul-25 10:35 < 00:01 Earth 0.340032718119923 0.340031658950054 0.340033777291668 20.6748297068057 20.6744506941696 2430200.941166035 0.0962959010813376 66.5791084593518 10.6419127265085 38.0824764570052 2748427.20238186 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
1950-Mar-12 23:36 < 00:01 Earth 0.0592865827651309 0.0592860055874414 0.059287159949109 12.9729950745075 12.9695303103072 2433353.483247002 0.146530265273803 42.4002758362613 5.97906019097739 47.8750475671775 1094529.92859936 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
1961-Jun-29 14:05 < 00:01 Earth 0.215008492184146 0.215008252583566 0.215008731784933 11.0904659529572 11.0893485010782 2437480.086736625 0.146500224485746 32.708041560183 11.1777711954425 -82.1031687050499 2926072.82445797 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
1970-Feb-18 19:12 < 00:01 Earth 0.243968345013987 0.243967772801473 0.243968917226668 20.4005462280898 20.4000108719606 2440636.300138507 0.0378231637144627 30.3214813548973 4.69282552019429 -20.025847780663 2692551.05625195 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
1981-Apr-22 01:27 < 00:01 Earth 0.2072586005417 0.207258369017848 0.207258832065658 11.7844306457779 11.7833396795824 2444716.560690833 0.103971949578164 14.2360002896293 5.97210834448996 40.1368926832629 3029103.34206025 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
1992-Jul-19 03:37 < 00:01 Earth 0.257981478057035 0.257981206038233 0.257981750075866 17.3117965002268 17.3111998920857 2448822.650842066 0.023770716042694 15.2633172061853 10.1323832967854 37.8143203626754 2864278.61200948 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2001-Mar-05 01:23 < 00:01 Earth 0.0520726303239488 0.0520726283145961 0.0520726323333015 14.7320841315817 14.7286104512069 2451973.557743055 0.00176957191447202 9.9467996388123 0.100240756623211 -89.9999265882693 28775782.8800225 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2012-May-20 16:10 < 00:01 Earth 0.239037177755236 0.239037006876842 0.23903734863363 11.2805424732825 11.2795542935513 2456068.173323927 0.0661646168576887 12.9893528711818 8.43565947547308 -83.0434457988056 3261606.72805652 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2021-Feb-05 10:48 < 00:01 Earth 0.494505541393535 0.494505397734321 0.494505685052748 27.7477515103066 27.7475573256474 2459250.949755197 0.0256660928276278 8.3058923502145 6.20235239791524 -49.5453434953407 9606939.42859665 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2023-Jul-22 21:26 < 00:01 Earth 0.283418232368272 0.28341786762009 0.283418597116905 18.5858807367421 18.5853749035362 2460148.392819421 0.0239026885718303 28.0170773828466 9.81819961363365 54.3051048469329 3451080.80617297 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2032-Mar-02 06:44 < 00:01 Earth 0.0757522319833097 0.0757518781223441 0.0757525858444992 15.5803433702414 15.5780856435562 2463293.780600082 0.0555107840374964 18.9001559605941 5.32689338073899 -21.9334720699436 917868.98023834 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2043-Apr-29 00:54 < 00:01 Earth 0.218988119235841 0.218987984727004 0.218988253745063 11.743750911741 11.7427148058801 2467368.537272018 0.178066648424543 20.5921961002216 4.43892963411337 75.5171643718916 5711392.39277921 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2054-Jul-12 06:55 < 00:01 Earth 0.206812283991995 0.206812052968464 0.206812515016301 13.746353689936 13.7454164229543 2471460.788070626 0.0913057416407492 48.5655216458546 10.4323200354838 84.0893730681303 2881254.49557001 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2063-Feb-17 10:31 < 00:01 Earth 0.282252467571908 0.282251594125895 0.282253341017921 21.5638862972783 21.5634485212423 2474602.938175056 0.0856495700904611 43.652578747926 5.62100816704605 -3.87383707113912 1001800.75671853 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2065-Aug-02 11:51 < 00:01 Earth 0.448152580493365 0.448151524711223 0.44815363627622 24.5071794318634 24.506936829362 2475499.994054308 0.0725570512923386 59.7990172241025 9.90506676160373 28.7425585279169 3152162.9656304 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2074-Mar-19 22:19 < 00:01 Earth 0.0954596029935293 0.0954587220883914 0.0954604839034477 12.0902022580346 12.0878933818859 2478651.429659321 0.254244531218728 55.4777941853417 4.68755576026105 37.8000605453544 1853339.87587751 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2085-Jun-12 01:25 < 00:01 Earth 0.232195199316777 0.232194791572929 0.232195607065495 10.2838538226479 10.2827379187646 2482753.559371385 0.588047861576912 65.5963779366971 10.7030295715981 -74.5103912437635 2833211.38039431 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2094-Feb-09 11:44 < 00:01 Earth 0.427745439109191 0.427744176783905 0.427746701434476 25.8377527337081 25.8375116464501 2485917.988795767 0.110810332373196 62.9705917743651 5.77043570481482 -1.59317857866466 981296.84914315 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2096-Jul-27 01:22 < 00:01 Earth 0.33802360737552 0.338022362140145 0.338024852613507 20.800468841759 20.8000898793289 2486816.556691354 0.105209322143857 78.1133055636358 9.98388382457833 37.7149890025862 2887399.35658247 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2105-Mar-10 01:40 < 00:01 Earth 0.0363159000850423 0.0363157575911992 0.0363160426057154 13.8033693752733 13.7980530190093 2489963.569164205 0.201660043299521 65.9828591150908 4.69620815297071 85.3490776229862 1133435.75511737 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2116-May-29 22:20 00:02 Earth 0.239158504958818 0.239158099820622 0.239158910137907 10.8756648002573 10.8746403493104 2494062.430585936 2.06669503859727 177.241673952161 9.3805170655921 -84.202605372639 3035344.52599799 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2125-Feb-09 15:26 < 00:01 Earth 0.444055286329908 0.444046519291479 0.444064053369473 26.3149025555556 26.3146745342502 2497240.143321279 0.657627350411084 438.608396731365 5.68022321080733 -4.63703608167387 886744.791664938 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2127-Jul-28 01:07 < 00:01 Earth 0.321260458838487 0.321252821004309 0.321268096788808 20.2086752927938 20.2082648792865 2498138.546612987 0.730015854259273 487.763032066197 9.89848902991185 38.6724880813086 2771425.98592952 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2136-Mar-11 20:44 00:02 Earth 0.042595914765127 0.0425890947180665 0.0426027372894871 13.3555780875886 13.3508936453622 2501288.363637414 1.92200492109517 615.009708227946 4.61739222795334 56.4203445528844 1141608.56646124 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2147-Jun-28 00:11 00:09 Earth 0.218743775903738 0.218735243733329 0.218752311436651 10.3603778746453 10.3592020956411 2505413.507534247 9.44258169392961 1418.26462199722 10.8995436778828 -72.5402632407571 3122869.83569475 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2156-Feb-19 06:19 00:03 Earth 0.281639044747224 0.281600438705759 0.281677650889212 21.6106260153592 21.6101882347258 2508571.763386471 3.09281384051364 1943.32789270953 5.22704697934287 -7.85365432540884 1015880.05469239 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2158-Aug-05 20:34 00:03 Earth 0.467770892491257 0.467734932299196 0.467806853232155 25.2521358909412 25.2519103200867 2509470.356901122 2.82493732503877 1963.15332971036 9.80585020456495 24.0179456283905 2668114.46276057 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2167-Apr-20 03:07 00:14 Earth 0.200666856955428 0.200644955106243 0.200688763287323 11.5856928439236 11.5845467078542 2512649.629933551 14.2476772724925 1852.05831204352 5.68166374230533 53.8611986964647 3455712.61290042 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2178-Jul-23 07:40 00:04 Earth 0.251960166985589 0.251928264601711 0.251992076092243 17.5277718384148 17.5271684996462 2516761.819114812 4.35435392128292 2596.84939322786 9.79264852175876 52.219839364588 2795076.44698262 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2187-Mar-08 23:09 00:07 Earth 0.0352243935343828 0.0352055286518896 0.0352433240416719 14.2982242190997 14.2929328617023 2519912.464709896 6.70206537794084 2576.49710388695 4.64018449854167 -68.5493355848204 1030886.14516648 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09
2198-Jun-07 02:17 01:07 Earth 0.236818172488576 0.236793263830985 0.236843138633534 10.469094118365 10.4680193607768 2524020.595254177 66.7671405048598 5950.20690543958 10.0948675704635 -77.9419807358662 2912234.17808883 T 164 CATAB v2.0f-lin.ifort 2019-Nov-07 05:09:48 2019-Nov-07 05:09

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