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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 2455754.5 (2011-Jul-12.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04133045024131937 8.0994e-08  
a 1.059873194655385 8.9095e-08 AU
q 1.016068158321572 3.3059e-09 AU
i 2.572392518674944 2.5015e-06 deg
node 274.0242529904775 2.9213e-06 deg
peri 4.676776896462809 1.7825e-05 deg
M 10.08028653034345 1.8708e-05 deg
tp 2455743.340373335569
(2011-Jun-30.84037334)
1.9924e-05 JED
period 398.5467662156106
1.09
5.0254e-05
1.376e-07
d
yr
n .9032816987034412 1.139e-07 deg/d
Q 1.103678230989197 9.2777e-08 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 7.206155623169125E-11 2.261E-11
A2 [EST] -1.126680717053938E-12 2.91E-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      .4537  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-07 14:41:39  

Additional Information
 Earth MOID = .000330818 AU 
 T_jup = 5.810 
 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. 2013-Sep-12) 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 23:08 04:13 Earth 0.438019826072819 0.370971217836419 0.507470086994308 13.47701626039 13.4765648909947 2429424.463574450 252.745938725004 3618163.04463915 7.31098842311378 -0.327322298123849 38583.4182786515 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
1940-Jun-21 19:12 13:51 Earth 0.147027499422635 0.00295251986674078 0.232485562810849 5.10129409405977 5.09774036165502 2429802.299671332 831.181987939259 3271988.51713227 6.71818263626223 -0.427053195105007 9202.85930946345 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
1941-Sep-14 09:14 1_05:06 Earth 0.123974095554956 0.0240574896749133 0.215109019868457 3.96678066570493 3.96135890785946 2430251.884774955 1745.68660117205 3301967.95670278 2.04188835242973 11.2535465905516 591388.692071061 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
1961-Jun-10 12:23 00:28 Earth 0.383789924380492 0.373025703004861 0.39459884057286 11.9031030994571 11.9025198300029 2437461.015650555 28.3873951795151 558448.528137692 4.78812451987675 -0.854161828252762 129156.431832901 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
1962-Jun-24 08:22 02:50 Earth 0.0890744797257786 0.0704244652800447 0.105307580035395 3.51678017391415 3.5082640888049 2437839.848786281 170.429847142977 412915.315232775 4.66758382000175 -0.666819233604236 8626.15014599646 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
1963-Sep-18 02:15 01:52 Earth 0.169787831184756 0.152347669236362 0.186655544082019 5.39170789005301 5.38879652469672 2438290.593559626 112.010774869664 662582.102060236 2.1908665858642 8.61171662286119 753248.01921451 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
1964-Sep-27 14:27 00:15 Earth 0.448681494446999 0.432159102204091 0.465367180285813 13.6875296289011 13.6870957625095 2438666.101869492 15.2000484361002 888431.281182475 4.13197760743493 4.20633701393499 922474.217361255 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
1984-Jun-09 08:51 00:03 Earth 0.33598101956048 0.335769243894594 0.336192792929425 10.4939890354576 10.4932332950466 2445860.868554051 3.29468695526037 10346.3296401706 3.57711696443868 -4.24729380293904 711672.812881094 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
1985-Jun-24 11:43 00:08 Earth 0.0565431750661284 0.0553948969040888 0.0576755624333116 2.64160564366399 2.62370626079165 2446240.988526638 8.25714288263279 19384.00499697 1.92073835711874 -1.59391461750474 24923.4102264461 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
1985-Dec-29 12:03 11:12 Earth 0.0496432062718117 0.0494573209429927 0.0498442784212842 1.76937391873459 1.73877511170565 2446429.002082472 672.014921250199 6514.41726517572 1.23001363086526 -84.250032415498 937243.472942233 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
1986-Sep-20 01:39 00:08 Earth 0.165934696672785 0.164887176402392 0.166980020284803 5.26257047872668 5.25951834763588 2446693.569023626 8.26853483614156 40108.911968659 2.18872370190606 8.97932633506882 753068.080112815 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
1987-Sep-27 11:00 00:02 Earth 0.412069339678607 0.411078555897723 0.413060729875691 12.6120595354549 12.6115468336217 2447065.958608126 1.68264264683054 52773.4800270692 3.46917307748405 4.52531167930931 1048813.33340889 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
2009-Jun-01 02:30 < 00:01 Earth 0.488612464101182 0.488598332591032 0.48862659571159 14.9033305677485 14.9029646615115 2454983.604355352 0.0300847764138738 753.489797292715 0.883776125908924 -1.28530216000996 1480600.45777055 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
2010-Jun-11 21:07 < 00:01 Earth 0.242334095967498 0.242328492690233 0.242339699227041 7.77228530470204 7.77087052562519 2455359.379846024 0.0288926089566775 255.914343227682 0.610154553539867 -1.71454073472918 1009775.41272689 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
2011-Jun-27 17:01 < 00:01 Earth 0.000124676894745548 0.000124676410681358 0.000124677378810498 6.70253638737239 1.47710626321136 2455740.208711219 0.00069787246206057 0.0071358806650416 0.00507573022390321 -1.69312801814366 658991.95130523 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
2011-Jun-28 07:46 < 00:01 Moon 0.00203686174421681 0.00203686029863122 0.00203686318980248 3.19707398217631 3.19203727428008 2455740.823303486 0.00101173822481393 0.0726901787592688 0.0707453546773892 -34.2092667700475 3374375.66484142 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
2023-May-10 12:22 < 00:01 Earth 0.358280847401349 0.358106837945554 0.358454867703807 11.4217023167665 11.4210511828667 2460075.015521018 0.993066783682697 8945.86686143531 2.6208539419536 2.39223900223021 608578.957682873 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
2024-Feb-04 14:16 02:22 Earth 0.106278232197007 0.106259068379655 0.106297468802672 2.3261637146215 2.31536088880386 2460345.094718996 142.246889566762 915.302394209889 1.12007339875365 77.7136174470893 2828964.14414403 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
2024-Aug-10 04:54 00:02 Earth 0.150308346247219 0.150090747861264 0.150525799370252 5.27743355830285 5.27407351587435 2460532.704418128 2.14666819620176 7741.7477522311 2.07039071329329 -6.42630623991525 517254.341371908 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
2036-May-23 09:13 00:12 Earth 0.114062862190705 0.113440447663909 0.114683217922042 4.31718916564338 4.31177490166162 2464836.884203016 11.5760247748192 18413.2714294454 1.91408962585935 4.81420991400906 266971.842687315 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
2036-Nov-11 18:05 07:35 Earth 0.0977634460131806 0.0977004085769727 0.0978274772758135 2.13556155611565 2.12276104557923 2465009.253611487 455.376983019986 2977.09462657917 2.4139182136458 -78.5129896103086 1115097.61604127 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
2037-Aug-23 21:50 00:01 Earth 0.388253158757019 0.387673945864841 0.388832499314063 12.2439856688583 12.2434251574102 2465294.409499963 1.37555920638281 30026.0123949541 1.87411459826955 -3.30323056422365 1317284.29056405 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
2049-Jun-12 19:39 00:43 Earth 0.0138807452608042 0.0136928304138715 0.0140680424529322 1.76548223630655 1.6531840187226 2469605.318731418 43.0544516898131 1565.09009929092 6.36420535890035 6.11139780448744 4439.91796559082 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
2049-Oct-01 02:08 01:54 Earth 0.0597181558076828 0.0595772633969033 0.0598605811660247 0.775836430127879 0.716021658126182 2469715.589149971 113.981392770794 2026.68291283478 0.735772040029493 16.2898080123481 227907.080143724 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
2050-Aug-26 12:12 00:04 Earth 0.322147947311723 0.320259595078607 0.324038779852387 10.084565757843 10.0837455622198 2470045.007994298 4.03578212536296 98636.3994923565 9.48018146147107 -5.65504571131882 335457.514093888 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
2066-May-08 09:37 00:50 Earth 0.482832397843976 0.450817233690416 0.515381088591155 14.8598705129249 14.8594991433204 2475778.900519740 50.0742827284565 1722220.60854139 10.6560375287397 1.8277466974773 172364.941929333 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
2067-May-24 15:38 05:20 Earth 0.128967662706339 0.0905840540476208 0.16152158056427 4.59316264436706 4.58866243718649 2476160.151602583 319.492767658764 1100781.48914608 11.6620319273945 3.80805277861047 41326.4992387829 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
2068-Aug-18 12:41 04:00 Earth 0.197083752617009 0.165361608922625 0.227490529858154 6.37088280298808 6.36876036863906 2476612.028166251 240.072711097095 1290736.57314635 8.90106396893113 -6.29125108916708 179448.29441914 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
2085-May-11 14:03 01:56 Earth 0.357209887610423 0.313300626946529 0.401895173103543 11.2014581971486 11.2007922692155 2482722.085251655 116.279962001913 2282542.02451638 13.3728226077611 2.17067003287563 106824.247240935 T 40 CATAB v2.0c-linF95 2014-Apr-07 14:41:44 2014-Apr-07 14:41
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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