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(2011 MD)
Classification: Apollo [NEO]          SPK-ID: 3568303
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455753.5 (2011-Jul-11.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04163755585969017 8.0473e-08  
a 1.060217336539846 8.8594e-08 AU
q 1.016072477966256 2.9651e-09 AU
i 2.583698124532551 2.4601e-06 deg
node 274.0920525678863 2.6999e-06 deg
peri 4.679965015098427 1.8245e-05 deg
M 9.105932303321589 1.8867e-05 deg
tp 2455743.414145571242
(2011-Jun-30.91414557)
2.0207e-05 JED
period 398.74089477125
1.09
4.9979e-05
1.368e-07
d
yr
n .9028419324948476 1.1316e-07 deg/d
Q 1.104362195113435 9.2283e-08 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 6.78998549209267E-11 2.191E-11
A2 [EST] -9.28563970717744E-13 2.864E-12
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  
   data-arc span      967 days (2.65 yr)  
   first obs. used      2011-06-21  
   last obs. used      2014-02-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      1  
   fit RMS      .46199  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 12:39:36  

Additional Information
 Earth MOID = .000351106 AU 
 T_jup = 5.809 
 Nongravitational accels. using nonstandard g(r) = (1 AU/ r)^2 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 28.0 mag n/a MPO254804  
rotation period rot_per 0.1937 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Ryan, W. (2011) http://infohost.nmt.edu/~bryan/research/work/ mro_images/]
[Skiff, B.A. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html]

[ 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
1939-Jun-10 01:41 04:07 Earth 0.436602213200123 0.369761477715959 0.505830767940672 13.4361315849449 13.4356773719906 2429424.570128335 247.128267304853 3605979.07289458 7.1081734950025 -0.350861624339727 42408.7489223169 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
1940-Jun-21 22:36 13:37 Earth 0.145061122453054 0.00284994453853681 0.229293315981311 5.04692714094235 5.04328639007343 2429802.441581312 817.21697447632 3202880.02630718 6.58236028907303 -0.430006917094518 9233.854993268 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
1941-Sep-14 15:57 1_02:57 Earth 0.126123576934793 0.0241343552348742 0.215934505825197 4.03418516464528 4.02894503054775 2430252.164499348 1617.13804616585 3274686.32467976 2.02417492824934 11.0930177667533 607412.534072572 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
1961-Jun-10 12:07 00:28 Earth 0.384011289581952 0.37339019230697 0.394675983840917 11.9094184314887 11.9088358074045 2437461.004935271 28.2360811602989 551076.44831225 4.72694909432529 -0.848241105513441 130020.003645071 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
1962-Jun-24 07:44 02:48 Earth 0.0894277930213678 0.071119316469563 0.105412235826187 3.52611100443672 3.517651105803 2437839.822216351 167.714844754718 407315.297426621 4.60365246217214 -0.667527599178057 8821.55139943822 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
1963-Sep-18 01:37 01:51 Earth 0.169436294867976 0.152276399484568 0.186038379458558 5.38095956668922 5.37803632876297 2438290.567415552 110.862602707839 651247.054016056 2.16991791392174 8.62631556690337 758987.806656351 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
1964-Sep-27 14:16 00:15 Earth 0.448340662339381 0.432076323179472 0.464763203839911 13.6775349842229 13.6771004707052 2438666.094101125 14.9848305562281 874432.575210337 4.07646441122047 4.20843876310774 934519.073438741 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
1984-Jun-09 08:49 00:03 Earth 0.335976531283634 0.335768892793731 0.336184167529251 10.4938832395814 10.4931274814544 2445860.867596519 3.2470039930282 10143.0342050688 3.55177698344757 -4.2620233101639 719224.220326716 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
1985-Jun-24 11:46 00:08 Earth 0.0565195517138026 0.0553903113744958 0.0576334156456195 2.64104166421814 2.62313092442843 2446240.989964763 8.12151610027991 19059.264966054 1.89272950184625 -1.59479217092079 25290.2340028919 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
1985-Dec-29 11:44 11:01 Earth 0.0496392184092954 0.0494563053559167 0.0498368253673371 1.76932884483179 1.73872676466447 2446428.988969603 660.881817687282 6407.02867041655 1.21058361107707 -84.2599476381155 952202.336357188 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
1986-Sep-20 01:42 00:08 Earth 0.165956232093843 0.164926076321644 0.166984264183189 5.26323063554824 5.26017928362942 2446693.570961483 8.12993667484886 39447.9154216242 2.1725419969569 8.97839349240908 758775.609411863 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
1987-Sep-27 11:02 00:02 Earth 0.412089650625587 0.411115321080055 0.413064566627528 12.6126716462137 12.6121589945328 2447065.959853198 1.65499784788277 51897.1417989186 3.43966363241505 4.52523524810666 1057868.19822503 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
2009-Jun-01 02:30 < 00:01 Earth 0.488612343034723 0.488598520445126 0.488626165720268 14.9033277462133 14.9029618398163 2454983.604322362 0.0297847504134046 737.028494001277 0.873504856449814 -1.28728981787141 1500374.33846766 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
2010-Jun-11 21:07 < 00:01 Earth 0.242334073884566 0.242328603064824 0.242339544687457 7.77228518606652 7.77087040683913 2455359.379820233 0.0286199179970563 249.898690241333 0.605156985257743 -1.718106739134 1020342.96076778 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
2011-Jun-27 17:01 < 00:01 Earth 0.000124676942488137 0.000124676460598957 0.000124677424378503 6.7025351860574 1.47710635242459 2455740.208711258 0.000693730439124971 0.00710279017323407 0.0048928647786686 -1.71721252615241 662082.729508707 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
2011-Jun-28 07:46 < 00:01 Moon 0.00203686178618499 0.00203686038543884 0.00203686318693083 3.19707365807383 3.19203694977006 2455740.823304072 0.00100381379151338 0.0703791826911418 0.070055700809809 -52.0648141347297 3464817.17717972 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
2023-May-10 12:23 < 00:01 Earth 0.358277129297673 0.358105616188002 0.35844865294315 11.4215912336058 11.4209400866154 2460075.015807685 0.978505466867513 8817.46331155615 2.60785963559468 2.39222615507108 611599.063039452 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
2024-Feb-04 14:14 02:20 Earth 0.106278877751831 0.10625999083348 0.106297835367163 2.32618930224645 2.31538666158262 2460345.093104665 140.186670557245 902.069660937607 1.1131309236854 77.7137270419284 2846656.66009795 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
2024-Aug-10 04:55 00:02 Earth 0.150313032015505 0.15009859445 0.150527328515669 5.27756959887178 5.27420974788529 2460532.704675660 2.11648140901866 7629.47777924738 2.0637309087281 -6.42605751331146 518930.73382383 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
2036-May-23 09:15 00:11 Earth 0.114048941108781 0.11343605463614 0.114659830843894 4.31677918181577 4.31136374161562 2464836.885745455 11.4007010778356 18130.2875837414 1.90914725791516 4.81452253902649 267625.086869936 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
2036-Nov-11 17:57 07:28 Earth 0.0977604984217172 0.0976984109619722 0.0978235495768284 2.13541996658275 2.1226182150471 2465009.247849643 448.434884869904 2931.39592746692 2.38030504522607 -78.5118461904269 1130733.06680275 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
2037-Aug-23 21:50 00:01 Earth 0.388266160386143 0.387695853726857 0.388836590817767 12.2443562839996 12.2437958082874 2465294.409911124 1.35463861902334 29564.3720749161 1.8526480713955 -3.30314494861948 1332576.06202338 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
2049-Jun-12 19:42 00:42 Earth 0.013876254961112 0.0136917996093326 0.0140601150267167 1.76544853635334 1.65311045480986 2469605.320954283 42.2763704007541 1536.18153145515 6.36665652357721 6.1026179171166 4428.75827837788 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
2049-Oct-01 02:36 01:53 Earth 0.0597147873146591 0.0595763646500525 0.0598546881260984 0.776419456034353 0.716649835395973 2469715.608200256 112.66772763657 1992.2301271201 0.728298084811446 16.2680820726765 230100.774500857 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
2050-Aug-26 12:09 00:04 Earth 0.322102797610489 0.320247830544817 0.323960157698684 10.0831299517126 10.0823095242973 2470045.006458308 3.96666900819882 96888.9261054598 9.46354669041635 -5.6552271536122 335984.399461584 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
2066-May-08 09:03 00:49 Earth 0.483604661445313 0.452155260811379 0.515568231235568 14.8822501135872 14.8818798946061 2475778.876781376 49.0741298386135 1691599.48583965 10.6431215404694 1.82605221859708 172784.144319508 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
2067-May-24 14:18 05:11 Earth 0.129797358423684 0.0922272010784392 0.161828589837081 4.61653742118709 4.61208865635771 2476160.095819491 310.656022291277 1086127.22925414 11.6676734663185 3.79222561352527 41583.2047275106 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
2068-Aug-18 11:29 03:58 Earth 0.196342246721795 0.165114696075202 0.226277468286335 6.34907732706935 6.34693955644582 2476611.978440436 237.571135147771 1268253.45430406 8.88195291694983 -6.31095972275954 179250.353726629 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
2085-May-11 15:08 01:53 Earth 0.356159854727455 0.313831019089835 0.399199107415001 11.1710374264468 11.1703677162635 2482722.130517480 112.80680127806 2197713.31278685 13.2015664863052 2.17168971903406 107794.634682183 T 42 CATAB v2.0c-linF95 2014-Jun-16 12:39:40 2014-Jun-16 12:39
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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