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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 2455375.5 (2010-Jun-28.0) TDB
Reference: JPL 139 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5074082915283264 3.2865e-08  
a 1.699124699710214 6.5469e-10 au
q .8369747387366735 5.6022e-08 au
i 12.18159493758073 4.6886e-06 deg
node 356.7760430517417 8.2874e-06 deg
peri 224.5327690734496 9.5085e-06 deg
M 56.99591076517925 1.7208e-06 deg
tp 2455247.421125163365
(2010-Feb-19.92112516)
3.8166e-06 JED
period 808.9772463002346
2.21
4.6756e-07
1.28e-09
d
yr
n .4450063356496354 2.572e-10 deg/d
Q 2.561274660683754 9.8689e-10 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -6.118019372650656E-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)      539  
   # delay obs. used      8  
   # Doppler obs. used      4  
   data-arc span      24037 days (65.81 yr)  
   first obs. used      1950-02-23  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52327  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:08:56  

Additional Information
 Earth MOID = .0392097 au 
 Jupiter MOID = 2.47582 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. 2015-December); 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 0.246868519104549 0.246867376762204 0.246869661460501 16.5680031336844 16.5673516777941 2418869.661716042 0.0500279001680784 96.0645585630977 9.49293470146186 53.3781167843731 2597245.73822847 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
1919-Mar-02 00:48 < 00:01 Earth 0.0836501545114113 0.0836482765835948 0.0836520324517403 15.6996979572557 15.6976689557155 2422019.533550347 0.0836815110365911 93.677815495033 4.36442948744742 -30.3908429623073 1185218.77369698 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
1930-May-19 12:00 < 00:01 Earth 0.236780777586784 0.236780615722672 0.236780939454637 11.3348097734159 11.333816953001 2426115.999738210 0.228664922214198 37.0482515014726 6.89045699903365 70.5837909484356 3464026.25073542 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
1939-Feb-07 18:38 < 00:01 Earth 0.449419385250402 0.449418149981853 0.449420620519007 26.3473951867215 26.3471701648541 2429302.276715774 0.0244048036432902 61.7835697130224 4.38432501936628 -7.95732016756913 2191416.09147827 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
1941-Jul-25 10:35 < 00:01 Earth 0.340032813454255 0.340031743654601 0.340033883255607 20.674832539328 20.6744535268501 2430200.941162717 0.0241460069944337 63.1088351662557 10.0170159282212 34.3724936592122 2590225.05148704 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
1950-Mar-12 23:36 < 00:01 Earth 0.0592865645982399 0.0592860171024312 0.0592871120999358 12.9729936452953 12.9695288796513 2433353.483245926 0.046047090423285 28.757795416471 5.55927923899891 48.9390421991711 924363.303715994 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
1961-Jun-29 14:05 < 00:01 Earth 0.215008441706573 0.215008252986878 0.21500863042638 11.090465704872 11.0893482527057 2437480.086726228 0.0313952803547866 19.8987064241556 7.78566784045912 81.1318773093917 2884144.0942282 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
1970-Feb-18 19:12 < 00:01 Earth 0.243968440464105 0.243967858423374 0.243969022504946 20.4005474222238 20.4000120663354 2440636.300132310 0.0106171466387733 28.9301719279481 3.07703578372504 -20.1779294407211 3736034.85899793 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
1981-Apr-22 01:27 < 00:01 Earth 0.207258540299058 0.207258297592817 0.207258783005242 11.7844291326265 11.7833381659737 2444716.560685175 0.0466084331924825 10.6346404640336 5.08476865985998 20.185061466489 2507294.16248705 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
1992-Jul-19 03:37 < 00:01 Earth 0.257981496818295 0.257981179741255 0.257981813895239 17.3117973478118 17.3112007397433 2448822.650834896 0.00766018805169275 16.0393130373173 8.50420710533719 30.5599132357613 2607061.43304326 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2001-Mar-05 01:23 < 00:01 Earth 0.0520726302422675 0.0520726298032854 0.0520726306812976 14.7320825743332 14.7286088935857 2451973.557743454 0.000585624313070949 8.46589073114064 0.231674909397023 -89.6334181657357 26792746.3297404 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2012-May-20 16:10 < 00:01 Earth 0.239037119316591 0.239036945920105 0.239037292713521 11.2805402611258 11.2795520809593 2456068.173341736 0.0277843423197345 9.05006710474529 5.96011442020901 -67.4075463111176 4085230.72472149 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2021-Feb-05 10:48 < 00:01 Earth 0.494505549213998 0.494505405479429 0.494505692948662 27.7477502873347 27.74755610267 2459250.949755708 0.00637974010896754 7.4762145928088 4.52435260956464 -10.22770593911 9428501.92766454 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2023-Jul-22 21:26 < 00:01 Earth 0.283418274145779 0.283417827548205 0.283418720744049 18.5858821182598 18.5853762851661 2460148.392813501 0.0070523004036416 28.3813915070814 9.50852452918983 44.9745793923239 2850337.93565258 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2032-Mar-02 06:44 < 00:01 Earth 0.0757523003951946 0.0757519369157393 0.0757526638746884 15.5803438410105 15.5780861164327 2463293.780593485 0.018907337093232 16.5364942268433 3.99328195762325 -18.8251130757788 911505.880681424 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2043-Apr-29 00:54 < 00:01 Earth 0.218988030817748 0.218987903272933 0.218988158361928 11.7437495993862 11.7427134929911 2467368.537247466 0.0803026561547151 13.9311719616641 4.10047260360705 79.6772678453957 5708613.95427199 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2054-Jul-12 06:55 < 00:01 Earth 0.206812223908233 0.206811980708155 0.206812467110597 13.7463474733137 13.7454102056358 2471460.788044188 0.0259280855977545 40.9034272520993 8.54413230558604 74.2837469991803 2711772.8311335 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2063-Feb-17 10:31 < 00:01 Earth 0.282252791649841 0.282251913592805 0.282253669706686 21.5638941053739 21.563456329999 2474602.938156908 0.0248104713495153 42.5186116734529 3.60963151462658 -6.00202334048267 1395286.60603723 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2065-Aug-02 11:51 < 00:01 Earth 0.448152379445216 0.448151233476354 0.448153525414764 24.5071718900072 24.5069292873224 2475499.994032939 0.0178414549457417 62.5091442714312 10.0684230442866 25.7269147858195 2773728.30519397 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2074-Mar-19 22:19 < 00:01 Earth 0.0954593081251982 0.0954584295667478 0.0954601866900728 12.0902055472527 12.0878966645995 2478651.429609400 0.0865227229939941 35.7790077995441 4.33131437951841 38.184425480538 1515065.51504411 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2085-Jun-12 01:25 < 00:01 Earth 0.232195189045112 0.232195065808492 0.232195312275658 10.2838560134399 10.282740109745 2482753.559290829 0.157072283211921 34.1440651884518 6.87883901293156 87.0055134605136 3419427.23361317 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2094-Feb-09 11:44 < 00:01 Earth 0.427745735773633 0.42774445828326 0.427747013264044 25.8377599928719 25.8375189058488 2485917.988779180 0.0283910290251963 63.5710179142922 3.3302792096239 -5.40018159945952 1896720.61246986 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2096-Jul-27 01:22 < 00:01 Earth 0.338023443302366 0.33802210573997 0.33802478086754 20.800462215524 20.8000832527892 2486816.556670832 0.028175731067049 78.6003228502944 9.66033041664443 34.0804486181129 2627261.21937064 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2105-Mar-10 01:40 < 00:01 Earth 0.0363158540415414 0.0363157248179265 0.0363159832885526 13.8033741701647 13.7980578090064 2489963.569137724 0.0687288182644891 51.9106406883802 3.86124813643604 87.7635964808586 1092539.8414417 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2116-May-29 22:20 < 00:01 Earth 0.239158497822308 0.239157600612227 0.239159395070962 10.8756767031449 10.8746522532888 2494062.430321038 0.746847680537177 112.745500810591 6.72896289536858 74.2679088531112 3574276.14256846 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2125-Feb-09 15:26 < 00:01 Earth 0.444057047545015 0.444048163654163 0.444065931436481 26.3149529442726 26.3147249243082 2497240.143231100 0.164671327500288 442.911092789462 3.27108238872183 -7.563192835557 2463236.79060179 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2127-Jul-28 01:07 < 00:01 Earth 0.321259020086924 0.321251217817109 0.321266822474847 20.2086212881037 20.2082108716615 2498138.546508144 0.19860695493302 471.91861636412 9.48203770077045 35.6481224776081 2587125.96496706 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2136-Mar-11 20:43 < 00:01 Earth 0.0425945041052479 0.04258760915472 0.0426014017159936 13.3556328406776 13.3509482624948 2501288.363366797 0.649420438790537 465.72164257089 3.89940726164855 57.8939972986476 1061422.0873958 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2147-Jun-28 00:09 00:02 Earth 0.218745422455928 0.218742609750274 0.218748282311887 10.36028690158 10.3591111211011 2505413.506207823 2.01874030205035 739.590363861111 7.08664013499789 -89.8256316619894 3143449.44731204 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2156-Feb-19 06:19 < 00:01 Earth 0.281646911511459 0.281607748252143 0.281686074632091 21.6108522954367 21.610414531615 2508571.762950049 0.881883377923085 1897.55682999089 3.38160327589259 -9.5493669320672 1835409.25128552 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2158-Aug-05 20:33 < 00:01 Earth 0.46776369339058 0.467727148407629 0.467800239011937 25.2519040865137 25.2516785101168 2509470.356498227 0.686298372976575 1985.12446978033 9.88451636113465 23.5274140893475 2584999.60450709 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2167-Apr-20 03:04 00:06 Earth 0.200662378985437 0.200640156026996 0.200684604757096 11.5856677526517 11.5845215885215 2512649.627935198 5.93857645984362 996.709256605454 5.12484427490934 45.7072620552897 3020728.00748678 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2178-Jul-23 07:39 00:01 Earth 0.251953776186637 0.251921356024092 0.251986203251999 17.5274670611329 17.5268636965685 2516761.818498539 1.23970337912569 2384.04721270636 8.97991512070505 47.5989498251912 2614997.66599897 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2187-Mar-08 23:08 00:02 Earth 0.0352281898362245 0.0352090204011995 0.0352474257384544 14.2984827693297 14.2931920779566 2519912.463772312 2.25900814787359 2080.89259916138 3.75242458691651 -67.2062468361309 1019775.05318219 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09
2198-Jun-07 02:04 00:21 Earth 0.236823119706355 0.236802815609765 0.236843460187829 10.4695082681603 10.4684335755432 2524020.585913596 20.5395667805762 3244.72833554506 6.86502088366812 77.6529994066728 3451164.84149511 T 139 CATAB v2.0c-linF95 2016-Jan-04 14:09:02 2016-Jan-04 14:09

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