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

[ show orbit diagram ]
Orbital Elements at Epoch 2455394.5 (2010-Jul-17.0) TDB
Reference: JPL 141 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5074198817530094 3.2866e-08  
a 1.699185004481902 6.5661e-10 au
q .8369847504312085 5.6029e-08 au
i 12.18155862877854 4.6825e-06 deg
node 356.7760865423801 8.2819e-06 deg
peri 224.535419213442 9.5013e-06 deg
M 65.44610316057967 1.7221e-06 deg
tp 2455247.424369530358
(2010-Feb-19.92436953)
3.8129e-06 JED
period 809.0203146115347
2.21
4.6894e-07
1.284e-09
d
yr
n .4449826456741823 2.5793e-10 deg/d
Q 2.561385258532595 9.8978e-10 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -6.113981755846497E-15 1.308E-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)      544  
   # delay obs. used      8  
   # Doppler obs. used      4  
   data-arc span      24122 days (66.04 yr)  
   first obs. used      1950-02-23  
   last obs. used      2016-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52325  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 17:00:20  

Additional Information
 Earth MOID = .0403592 au 
 Jupiter MOID = 2.47566 au 
 T_jup = 4.025 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1 mag n/a MPO244437  
rotation period rot_per 2.1216 h n/a LCDB (Rev. 2016-February); 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.]

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 0.246868520072729 0.246867377751756 0.246869662407095 16.5680031416398 16.5673516857524 2418869.661715800 0.0500237327468196 96.0636581425815 9.4807424937289 53.3773205661019 2600541.54708397 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
1919-Mar-02 00:48 < 00:01 Earth 0.0836501528299844 0.0836482749584468 0.0836520307140339 15.6996978927343 15.697668891145 2422019.533550560 0.083678814682065 93.6751687094536 4.36414541016529 -30.3909907112622 1185300.79776371 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
1930-May-19 12:00 < 00:01 Earth 0.23678077770848 0.236780615966548 0.23678093945277 11.3348098380207 11.333817017612 2426115.999738045 0.228660559978 37.0471254711857 6.88741687893148 70.5863532804856 3465601.72057266 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
1939-Feb-07 18:38 < 00:01 Earth 0.449419382174539 0.449418146912427 0.449420617436625 26.3473950811943 26.3471700593245 2429302.276715090 0.0244040490401944 61.7832800463211 4.383956897421 -7.95743734094552 2191589.82280613 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
1941-Jul-25 10:35 < 00:01 Earth 0.340032816978553 0.340031747218259 0.340033886740416 20.6748326391912 20.674453626719 2430200.941162650 0.0241442305770213 63.1084563000751 10.0041325186719 34.3734600210558 2593450.34483378 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
1950-Mar-12 23:36 < 00:01 Earth 0.0592865659274173 0.0592860184355211 0.0592871134251077 12.9729936263474 12.9695288607761 2433353.483246593 0.0460470586528053 28.757724924152 5.55886106097567 48.939114858004 924431.958734218 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
1961-Jun-29 14:05 < 00:01 Earth 0.215008441833661 0.215008253391092 0.215008630274981 11.0904657583279 11.0893483061676 2437480.086725083 0.031393712555291 19.8937511490576 7.77702154366835 81.1493585391583 2887457.31034903 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
1970-Feb-18 19:12 < 00:01 Earth 0.243968440874391 0.243967858864726 0.243969022884165 20.4005474226578 20.4000120667703 2440636.300132358 0.0106164678322235 28.9284841711738 3.07686108014805 -20.1775774744508 3736190.44483784 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
1981-Apr-22 01:27 < 00:01 Earth 0.20725853987583 0.207258297224547 0.207258782527105 11.7844291287856 11.7833381621302 2444716.560684878 0.0466024001821078 10.6304993195245 5.08190025759443 20.1524702483217 2507321.62076724 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
1992-Jul-19 03:37 < 00:01 Earth 0.257981497390573 0.257981180615697 0.257981814165447 17.3117973578486 17.3112007497818 2448822.650835093 0.00765804373354832 16.0277498042096 8.49494291177586 30.5882485367237 2610345.41127157 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2001-Mar-05 01:23 < 00:01 Earth 0.0520726307956779 0.0520726303556349 0.0520726312357643 14.7320825801787 14.7286088994696 2451973.557743296 0.000585610122324311 8.46508187616623 0.231479129599128 -89.634084981893 26815409.3109189 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2012-May-20 16:10 < 00:01 Earth 0.239037119235976 0.23903694600827 0.239037292463709 11.2805401942079 11.2795520140352 2456068.173342349 0.0277690501964872 9.04918409940531 5.95258560804538 -67.3863191335072 4089731.77312732 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2021-Feb-05 10:48 < 00:01 Earth 0.494505549829679 0.494505406243004 0.494505693416585 27.7477502959791 27.7475561113148 2459250.949755599 0.00637826357753213 7.46845764477206 4.52397657371658 -10.2132260635897 9436878.27623441 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2023-Jul-22 21:26 < 00:01 Earth 0.283418274558282 0.283417828023342 0.28341872109365 18.585882122509 18.5853762894161 2460148.392813638 0.00704737422911267 28.3787512218767 9.49645012872864 44.968315402251 2853373.20390868 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2032-Mar-02 06:44 < 00:01 Earth 0.0757523021971065 0.0757519388269874 0.0757526655672637 15.5803438868192 15.5780861623017 2463293.780593395 0.0189032533732364 16.5305539479185 3.99143008951592 -18.8154767900162 911614.576545107 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2043-Apr-29 00:54 < 00:01 Earth 0.218988030069448 0.218987902562398 0.21898815757738 11.7437496046154 11.7427134982173 2467368.537246668 0.0802845616825824 13.9307479160261 4.09872497438217 79.6814642940718 5711110.91176274 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2054-Jul-12 06:55 < 00:01 Earth 0.206812224179434 0.206811981170307 0.206812467190851 13.7463474080396 13.7454101403584 2471460.788043750 0.0259245159734031 40.9030423947688 8.53319332703705 74.2813132712443 2715206.31381281 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2063-Feb-17 10:31 < 00:01 Earth 0.282252794067711 0.282251916072551 0.282253672062679 21.5638941682443 21.5634563928744 2474602.938156083 0.024808290384915 42.5156430797082 3.60918242272017 -6.00198920424732 1395425.35200847 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2065-Aug-02 11:51 < 00:01 Earth 0.448152378651048 0.448151232682154 0.448153524620552 24.5071718659388 24.5069292632532 2475499.994033274 0.0178376048551952 62.5085642793614 10.0555485234541 25.7248637758982 2776744.46271872 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2074-Mar-19 22:19 < 00:01 Earth 0.0954593070962973 0.09545842859012 0.095460185608837 12.0902055218432 12.0878966391603 2478651.429608460 0.08651726073474 35.7770686872758 4.33083274687317 38.1845920557696 1515237.38151269 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2085-Jun-12 01:25 < 00:01 Earth 0.232195188893367 0.232195065999606 0.232195311787432 10.2838560724975 10.2827401688083 2482753.559290478 0.157066535450174 34.1437562271372 6.87171203477964 87.007509996705 3422979.28730731 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2094-Feb-09 11:44 < 00:01 Earth 0.427745732532884 0.427744455106609 0.427747009959146 25.8377598889439 25.837518801918 2485917.988779836 0.0283888054757391 63.5679183690437 3.3298896505733 -5.40031406106069 1896947.45012859 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2096-Jul-27 01:22 < 00:01 Earth 0.338023447727792 0.338022110174325 0.338024785283918 20.800462377397 20.8000834146701 2486816.556671504 0.0281714545067613 78.5996764009352 9.6479293542401 34.0795351611979 2630471.93196853 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2105-Mar-10 01:40 < 00:01 Earth 0.036315855320428 0.03631572610558 0.0363159845586721 13.8033739946973 13.7980576336587 2489963.569138315 0.0687246515691755 51.907650527579 3.86092383814321 87.7634285400383 1092631.51755218 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2116-May-29 22:20 < 00:01 Earth 0.239158496051446 0.23915759892604 0.239159393215424 10.8756763392126 10.8746518893146 2494062.430328758 0.746804770759466 112.740760475034 6.72457364471832 74.2683512201715 3576616.18321862 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2125-Feb-09 15:26 < 00:01 Earth 0.444056998527151 0.44404811517983 0.444065881875086 26.3149514934965 26.3147234734944 2497240.143233410 0.164660528826571 442.884099672907 3.27065662826112 -7.56320855233009 2463561.70259748 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2127-Jul-28 01:07 < 00:01 Earth 0.321259062531811 0.321251260625158 0.321266864556558 20.2086228315661 20.2082124152095 2498138.546510572 0.198592494715833 471.89461713045 9.46997373264056 35.6478087331769 2590399.8982043 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2136-Mar-11 20:43 < 00:01 Earth 0.0425945407686693 0.0425876462379974 0.0426014379592186 13.3556313769262 13.3509468022628 2501288.363373877 0.649379619625174 465.692310370231 3.89904251994198 57.8939219161828 1061521.36836763 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2147-Jun-28 00:09 00:02 Earth 0.218745380004096 0.218742566290858 0.2187482408624 10.3602890943828 10.3591133139246 2505413.506242795 2.01860491562444 739.545318636081 7.07820880362419 -89.8257124696358 3147193.58166785 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2156-Feb-19 06:19 < 00:01 Earth 0.281646719402881 0.28160755879179 0.281685879875306 21.6108467294383 21.6104089652052 2508571.762960257 0.881823339344389 1897.42854333015 3.38128169029903 -9.54937607396916 1835584.19684398 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2158-Aug-05 20:33 < 00:01 Earth 0.467763871710098 0.467727329078397 0.467800414980117 25.251909770578 25.2516841943179 2509470.356507120 0.686249660941432 1984.99517708254 9.87197430492744 23.5273216084224 2588274.84927754 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2167-Apr-20 03:04 00:06 Earth 0.20066248610705 0.200640264702674 0.200684710324259 11.5856683166545 11.584522153192 2512649.627983116 5.9381710327648 996.641443285099 5.1244383318641 45.7073427451815 3020973.13607205 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2178-Jul-23 07:39 00:01 Earth 0.251953930258636 0.25192151217984 0.25198635523924 17.527474399899 17.5268710359563 2516761.818513455 1.23961525734156 2383.88835099639 8.96853374644806 47.5988451831967 2618313.69911593 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2187-Mar-08 23:08 00:02 Earth 0.0352281004225969 0.0352089326284148 0.0352473346752483 14.2984766265637 14.2931859194859 2519912.463794694 2.25885270355663 2080.746939556 3.75207959980848 -67.2066061616441 1019868.75124633 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00
2198-Jun-07 02:04 00:21 Earth 0.23682300170578 0.236802698946077 0.236843340846583 10.4694984885745 10.4684237944179 2524020.586133597 20.538369059301 3244.55503145897 6.85991609738049 77.6531611975904 3453731.71531151 T 141 CATAB v2.0c-linF95 2016-Mar-24 17:00:25 2016-Mar-24 17:00

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