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JPL Small-Body Database Browser
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(2011 MD)
Classification: Apollo [NEO]          SPK-ID: 3568303
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455755.5 (2011-Jul-13.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04105952204965695 1.2558e-07  
a 1.059569367479931 1.3836e-07 au
q 1.016063955672748 3.9299e-09 au
i 2.562405187085439 4.4038e-06 deg
node 273.9597202527767 4.9485e-06 deg
peri 4.674810078016545 1.9656e-05 deg
M 11.05080146327758 2.2612e-05 deg
tp 2455743.271201360355
(2011-Jun-30.77120136)
2.3334e-05 TDB
period 398.3754051596628
1.09
7.8029e-05
2.136e-07
d
yr
n .9036702450436606 1.77e-07 deg/d
Q 1.103074779287115 1.4404e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 7.697582474508263E-11 2.478E-11
A2 [EST] -1.103418670407787E-12 3.784E-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-N16  
   condition code      2  
   norm. resid. RMS      .33404  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-14 16:02:08  

Additional Information
 Earth MOID = .000305757 au 
 Jupiter MOID = 3.88419 au 
 T_jup = 5.812 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 28.0   n/a MPO254804  
rotation period rot_per 0.1937 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
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-09 22:59 6_18:45 Earth 0.438093839333316 0.349216285881648 0.527188235068813 13.4791533079768 13.4787020863914 2429424.457727857 9764.52084434646 4463912.71670686 250.873155299 -6.15380161448294 20372.3724165671 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
1940-Jun-21 19:00 9_00:07 Earth 0.147130913026716 0.0223625411405476 0.271207493002124 5.10415573938137 5.10060649803657 2429802.291995830 12966.9905837257 6184068.37234594 13.2089335442683 -1.08829938514077 18235.6247176895 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
1942-Sep-28 14:20 3_09:22 Earth 0.416254985113911 0.281207729168065 0.551951893108689 12.7396601787305 12.7391577162593 2430631.097088108 4882.3446232311 6800102.77554988 31.3718817944523 6.58695609910438 149747.335360979 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
1961-Jun-10 12:23 16:02 Earth 0.383777509496685 0.369770017471525 0.397786015469866 11.9027506487512 11.9021673431556 2437461.016103868 962.297684381364 699214.582484191 137.31295920986 -2.66168829050972 13567.6931549044 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
1962-Jun-24 08:24 1_16:16 Earth 0.0890549021505833 0.0666454805669899 0.111427317596713 3.51626397383944 3.50774476080205 2437839.850144175 2416.15341056634 1112857.90046884 16.6906614756184 -1.06831700986363 7878.00041464078 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
1963-Sep-18 02:17 1_15:49 Earth 0.169807047083197 0.147665819514741 0.192150302510726 5.39229786763696 5.38938715050074 2438290.595070971 2388.97087003174 1146971.76560248 19.9287304756146 14.8554498648992 148531.86066999 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
1964-Sep-27 14:27 11:55 Earth 0.448700004958977 0.427135458008694 0.470276714305384 13.6880748335726 13.6876410023608 2438666.102353580 715.123188657307 1081929.79067892 27.0928522043694 6.20613375418293 184508.593140343 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
1984-Jun-09 08:51 01:23 Earth 0.335981010211143 0.335705852133606 0.336256189673592 10.4939880362556 10.4932322957516 2445860.868546312 82.8935516319452 14357.8709467273 9.9753309343028 17.1419193214318 1073428.22816786 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
1985-Jun-24 11:43 02:12 Earth 0.0565440627088977 0.0550628091939982 0.0580248819241831 2.6416266632982 2.62372770576948 2446240.988433682 132.478096608503 73434.1612065122 11.4433430410446 -3.09306932187077 24065.9613398752 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
1985-Dec-29 12:04 19:47 Earth 0.0496433506015054 0.049404173103032 0.0499067892679581 1.76937547643349 1.73877678656033 2446429.002603892 1187.42241819507 56616.4683855225 6.37672124657054 -77.3640820728097 770591.210691777 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
1986-Sep-20 01:39 02:49 Earth 0.165933675697755 0.164574949244373 0.167293227027002 5.26253987570933 5.25948770807426 2446693.568955853 168.963784535406 70242.227315532 13.9231017784762 15.4653332551689 243556.550067794 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
1987-Sep-27 11:00 01:46 Earth 0.412068225519873 0.410781040427023 0.413355449660458 12.6120268324084 12.6115141278593 2447065.958563791 105.925148227249 64498.6171316734 27.1401093265998 5.67437562038761 152576.579324035 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
2009-Jun-01 02:30 00:01 Earth 0.488612759458351 0.488594651542596 0.488630867388049 14.9033387692273 14.9029728634128 2454983.604344540 1.05382925506037 912.316462429068 38.2496279321882 8.23427163653206 212306.195160106 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
2010-Jun-11 21:07 < 00:01 Earth 0.242334253486765 0.242327126933431 0.242341380040043 7.77228945888076 7.77087468147993 2455359.379836866 0.535884666522303 355.325368436731 9.35919846797932 1.11973870360339 78489.3800507665 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
2011-Jun-27 17:01 < 00:01 Earth 0.000124676997495141 0.000124676048567971 0.000124677946426882 6.70253363454452 1.47710569557459 2455740.208710300 0.00665782965235824 0.29608123278627 0.0506036450037829 -8.37695366762049 345988.028530242 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
2011-Jun-28 07:46 < 00:01 Moon 0.00203686135297319 0.00203685919104575 0.00203686351490052 3.1970733789475 3.19203666913121 2455740.823302949 0.00711237926637426 0.17128667889948 0.106070469406081 -82.9599914205124 1863681.20561281 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
2023-May-10 12:22 00:25 Earth 0.358280311662401 0.358056790227662 0.358503833310676 11.4216861445723 11.4210350087769 2460075.015569757 24.9708961612233 11154.6473314772 69.7505819165218 -2.39247600919138 22227.8603869162 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
2024-Feb-04 14:16 02:19 Earth 0.106278310321154 0.10624016634491 0.106316547803815 2.3261671894939 2.31536438784859 2460345.094494700 138.907322933256 5334.26588160998 6.50732695370837 -69.4599941118142 1383111.75810476 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
2024-Aug-10 04:54 00:23 Earth 0.150309011255272 0.150029037834866 0.150589002094661 5.27745271757534 5.27409270222333 2460532.704457531 22.893081101172 14192.9651128287 3.12330234257816 -10.6858008277661 733181.406804254 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
2036-May-23 09:14 02:09 Earth 0.114061138821023 0.113255090079475 0.114867311382467 4.31713827521209 4.31172386546945 2464836.884395106 129.12568942278 40632.4779083286 20.770944403815 9.1212756354448 74490.7087920855 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
2036-Nov-11 18:04 08:00 Earth 0.0977630647188725 0.0975921789789863 0.0979345619777945 2.13554387791459 2.12274321070022 2465009.252898531 480.106428296871 14915.1576702784 9.68517428811052 56.1480587865544 600661.261313472 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
2037-Aug-23 21:50 00:34 Earth 0.388254761199499 0.387502930717055 0.389006600906736 12.2440311328222 12.243470625769 2465294.409548536 34.283803603947 37609.5694045661 11.2230004737961 -4.61043210731456 299406.951257575 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
2049-Jun-12 19:39 02:56 Earth 0.0138803499394446 0.0136345244095256 0.0141271420905115 1.76547874341047 1.6531769815936 2469605.318927398 176.175242420566 13647.4965940935 42.8663262390629 27.6757796397273 18830.2880784742 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
2049-Oct-01 02:11 1_01:10 Earth 0.0597178288105497 0.0595411179140667 0.0599131488154244 0.775890519607905 0.716079924578518 2469715.590916168 1510.22917639467 60483.0498423366 12.2599049422145 57.6024112854105 52341.1269007108 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
2050-Aug-26 12:11 02:02 Earth 0.322143868675662 0.319663339486246 0.324624872117091 10.084435676422 10.083615459833 2470045.007852954 122.377480866711 125231.988337596 23.0840814391897 -9.01389067242193 247125.364241114 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
2066-May-08 09:34 1_07:16 Earth 0.482901875827476 0.44048396496347 0.525332382996522 14.8618834036965 14.8615121378161 2475778.898413317 1875.86371995079 2119095.76107095 566.981547782545 3.36054044548721 5551.25929765041 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
2067-May-24 15:31 3_01:43 Earth 0.129042280887417 0.0837324435543003 0.174744690795283 4.59526407899326 4.5907685341034 2476160.146590652 4422.55426935643 2296828.65050065 229.860377300062 8.90668792278466 7551.81852957501 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
2068-Aug-18 12:34 2_17:28 Earth 0.197017175107505 0.156518114550371 0.237836649100804 6.36892460531093 6.3668008006089 2476612.023696945 3928.07154369955 2065887.17455565 19.8780619959675 -11.0001301286043 251862.415354453 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
2085-May-11 14:09 2_12:07 Earth 0.357114015532986 0.298952629882376 0.415290979641003 11.1986799788108 11.1980137068346 2482722.089411278 3606.67268569337 2903045.32337894 590.459096259737 2.44342800161653 2619.8032104358 T 44 CATAB v2.0e-lin.ifort 2019-Jan-14 16:02:14 2019-Jan-14 16:02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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