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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 2455259.5 (2010-Mar-04.0) TDB
Reference: JPL 134 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5073715703492357 3.2999e-08  
a 1.698913031756192 6.4208e-10 AU
q .836932858947272 5.6241e-08 AU
i 12.181570674 4.7863e-06 deg
node 356.776332840293 8.3929e-06 deg
peri 224.5234604358391 9.6389e-06 deg
M 5.379370545185029 1.7331e-06 deg
tp 2455247.413957745317
(2010-Feb-19.91395775)
3.8893e-06 JED
period 808.8260838585202
2.21
4.5853e-07
1.255e-09
d
yr
n .4450895033980768 2.5232e-10 deg/d
Q 2.560893204565112 9.6786e-10 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -6.075488931915722E-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)      528  
   # delay obs. used      8  
   # Doppler obs. used      4  
   data-arc span      23401 days (64.07 yr)  
   first obs. used      1950-02-23  
   last obs. used      2014-03-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5273  
   data source      ORB  
   producer      Davide Farnocchia  
   solution date      2014-Aug-25 08:37:39  

Additional Information
 Earth MOID = .0399511 AU 
 T_jup = 4.025 
 Nongravitational accels. using nonstandard g(r) = (1 AU/ r)^2.0 
[ 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 Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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 (662)
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 0.246868536964871 0.246867393520525 0.246869680422569 16.5680040315045 16.5673525756966 2418869.661716770 0.0500728354744129 96.0704358278851 9.69847504579163 53.3662444581869 2542114.62355825 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
1919-Mar-02 00:48 < 00:01 Earth 0.083650122007692 0.083648243828548 0.0836520001993468 15.6996968657633 15.6976678632936 2422019.533553409 0.0836960244578112 93.6887976157928 4.36862729232061 -30.3899836356104 1184055.63812893 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
1930-May-19 12:00 < 00:01 Earth 0.236780778341214 0.236780614396149 0.236780942288932 11.334809324145 11.3338165036939 2426115.999747165 0.228671411563402 37.0808816759908 6.94400215415808 70.5458375960317 3436644.77462585 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
1939-Feb-07 18:38 < 00:01 Earth 0.449419354344723 0.44941811904734 0.44942058964213 26.3473942129754 26.3471691910842 2429302.276716404 0.0244136263366347 61.7845397626885 4.38934499069883 -7.95657884533945 2189256.70444701 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
1941-Jul-25 10:35 < 00:01 Earth 0.340032841527065 0.340031769825145 0.340033913230673 20.674833527751 20.6744545153225 2430200.941164453 0.0241795967693309 63.1578916728697 10.2311136781585 34.3201833066221 2535590.05099885 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
1950-Mar-12 23:36 < 00:01 Earth 0.0592865795003353 0.0592860319651077 0.0592871270414486 12.9729931514064 12.9695283865015 2433353.483248853 0.0460479953846699 28.7581715015675 5.56668817885113 48.9402947964817 923183.418105191 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
1961-Jun-29 14:05 < 00:01 Earth 0.215008437184904 0.215008244211873 0.215008630154482 11.0904661800662 11.0893487279242 2437480.086727906 0.0314181214046855 20.0320264172161 7.91488164040958 80.836216829247 2835210.85682405 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
1970-Feb-18 19:12 < 00:01 Earth 0.243968429375814 0.243967847210599 0.243969011541113 20.4005470361101 20.4000116801872 2440636.300132363 0.0106239310065033 28.9385058145513 3.08017892769279 -20.1812303204327 3732968.05400595 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
1981-Apr-22 01:27 < 00:01 Earth 0.207258541453535 0.207258298264398 0.207258784642742 11.7844291058265 11.7833381391773 2444716.560686473 0.0466870396341735 10.6801072438941 5.15645774690989 20.6671639962013 2503796.90585566 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
1992-Jul-19 03:37 < 00:01 Earth 0.257981501316285 0.257981177218633 0.257981825413935 17.3117975086642 17.3112009006116 2448822.650835040 0.00771843733994522 16.3602633600463 8.64593838635407 30.2010327265438 2549718.69555265 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2001-Mar-05 01:23 < 00:01 Earth 0.0520726308623852 0.0520726304414059 0.0520726312834108 14.7320825121064 14.7286088313856 2451973.557743262 0.000585894315771751 8.47685300747374 0.235053980061865 -89.6197664800265 26407540.5248457 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2012-May-20 16:10 < 00:01 Earth 0.239037117454312 0.239036941551336 0.239037293357304 11.28054022382 11.2795520436425 2456068.173342025 0.0280126074043916 9.1021203858689 6.07851545876982 -68.0842822877172 4019613.20483103 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2021-Feb-05 10:48 < 00:01 Earth 0.494505547275771 0.494505401239668 0.49450569331175 27.7477501634976 27.7475559788313 2459250.949755283 0.00639334119172152 7.59857935907256 4.5289993936369 -10.6243387751229 9307973.85854473 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2023-Jul-22 21:26 < 00:01 Earth 0.28341827986605 0.283417830139771 0.283418729592748 18.585882303062 18.5853764699835 2460148.392813674 0.00714950939945255 28.4846671189103 9.72053356757071 44.9023222025394 2790663.97552112 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2032-Mar-02 06:44 < 00:01 Earth 0.0757522985005752 0.0757519339085114 0.075752663092681 15.5803437083759 15.5780859837223 2463293.780593713 0.0189407382514917 16.6029591318059 4.02767797684456 -18.9865388953946 909790.590687615 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2043-Apr-29 00:54 < 00:01 Earth 0.218988030381765 0.218987902167197 0.218988158595988 11.743749558472 11.7427134520713 2467368.537248669 0.0804700108370317 13.9467321583122 4.13596856869692 79.628844644027 5658949.45745591 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2054-Jul-12 06:55 < 00:01 Earth 0.206812225316742 0.206811977851191 0.206812472783605 13.7463476320126 13.7454103643519 2471460.788044233 0.0259677043787199 40.9319241637697 8.73092887332442 74.2471767191543 2653496.4204382 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2063-Feb-17 10:31 < 00:01 Earth 0.282252789967983 0.282251911571379 0.282253668364501 21.5638939934542 21.5634562180744 2474602.938156174 0.024825432706117 42.5344649394409 3.61794521947321 -6.00519300858743 1393583.24338644 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2065-Aug-02 11:51 < 00:01 Earth 0.448152386182171 0.448151239522132 0.448153532842892 24.5071720501736 24.5069294474939 2475499.994032959 0.0178977843621483 62.5256401541454 10.2903217723341 25.7078975909011 2718282.19459362 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2074-Mar-19 22:19 < 00:01 Earth 0.0954593101154184 0.0954584312517931 0.0954601889855068 12.0902054404445 12.0878965578191 2478651.429609396 0.0865471308494742 35.7900770267526 4.3435826763428 38.1821516378015 1510801.32315328 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2085-Jun-12 01:25 < 00:01 Earth 0.232195185925602 0.232195058154709 0.232195313686476 10.2838559099919 10.2827400062708 2482753.559292851 0.157081825088091 34.1657834259522 6.98965182427176 86.9474451680076 3365049.3231405 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2094-Feb-09 11:44 < 00:01 Earth 0.427745728560552 0.427744450727285 0.427747006393806 25.8377597172312 25.8375186302015 2485917.988779461 0.0284090216476671 63.5865071620272 3.33769224982254 -5.3986865620709 1892992.79911212 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2096-Jul-27 01:22 < 00:01 Earth 0.338023454659254 0.338022116287519 0.338024793033515 20.8004625421742 20.8000835794581 2486816.556670695 0.0282326149851282 78.6108079815302 9.87235501547678 34.0586433208804 2571270.49201437 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2105-Mar-10 01:40 < 00:01 Earth 0.0363158563790383 0.0363157269955391 0.0363159857862691 13.8033738240823 13.7980574631329 2489963.569138714 0.068753072996301 51.9294587169222 3.86808991842937 87.7650962210661 1090608.56637956 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2116-May-29 22:20 < 00:01 Earth 0.239158492964859 0.23915759445208 0.239159391516189 10.875675903851 10.8746514538988 2494062.430335358 0.747082437657317 112.777108834382 6.80592841905503 74.2562340951945 3533664.91634477 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2125-Feb-09 15:26 < 00:01 Earth 0.444056963813787 0.444048076424739 0.444065851203449 26.3149504177696 26.3147223977404 2497240.143235016 0.164745175682629 443.083477148287 3.27957955095428 -7.56300009798797 2456808.89151321 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2127-Jul-28 01:07 < 00:01 Earth 0.321259096054813 0.321251291930151 0.321266900297499 20.2086240398539 20.2082136235647 2498138.546512676 0.198719767848502 472.037061212027 9.68993708589935 35.649226614095 2531730.84765279 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2136-Mar-11 20:43 < 00:01 Earth 0.0425945692520446 0.0425876714818201 0.0426014696846176 13.3556301886276 13.3509456166804 2501288.363379296 0.649683931058681 465.912276764606 3.90745328939655 57.8939487318153 1059237.48155626 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2147-Jun-28 00:09 00:02 Earth 0.218745342999373 0.218742567799289 0.218748164028181 10.3602910973156 10.3591153168858 2505413.506268241 2.0195316328116 739.845633807886 7.21877830840476 -89.8257376940088 3085908.8527204 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2156-Feb-19 06:19 < 00:01 Earth 0.281646558912974 0.281607379663597 0.281685738023546 21.610842028224 21.6104042636462 2508571.762968822 0.882252462171359 1898.32922920007 3.38766985119331 -9.54931669953624 1832110.68493113 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2158-Aug-05 20:33 < 00:01 Earth 0.467764024988545 0.467727466699796 0.467800583916171 25.2519146444631 25.2516890683204 2509470.356515373 0.686607896049117 1985.85643732538 10.1016603163253 23.5278716005633 2529488.37875582 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2167-Apr-20 03:04 00:06 Earth 0.200662577337101 0.200640345169154 0.200684812320315 11.5856687607782 11.5845225978808 2512649.628024403 5.94099560068869 997.11591212337 5.14642837412716 45.7066047312397 3008028.79499879 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2178-Jul-23 07:39 00:01 Earth 0.251954069129407 0.251921637004074 0.251986508162666 17.5274809320437 17.5268775686584 2516761.818525510 1.24024068780917 2384.94518668066 9.17669342120542 47.5992541257601 2558940.20052352 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2187-Mar-08 23:08 00:02 Earth 0.0352280192828482 0.0352088425584938 0.0352472625297624 14.2984709833214 14.2931802619665 2519912.463814576 2.2599379894738 2081.74261549845 3.75944378197719 -67.2068907857399 1017870.61198492 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02
2198-Jun-07 02:04 00:21 Earth 0.236822891248894 0.236802578424835 0.236843240489125 10.4694894332451 10.4684147376576 2524020.586336248 20.5483642994827 3246.12230901153 6.95046163073707 77.6530178919939 3408734.00930027 T 134 CATAB v2.0c-linF95 2014-Aug-25 09:02:01 2014-Aug-25 09:02

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