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153958 (2002 AM31)
Classification: Apollo [NEO, PHA]          SPK-ID: 2153958
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 116 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4514704468196492 9.4282e-09  
a 1.703096362390633 6.5491e-09 au
q .9341986866852148 1.5137e-08 au
i 4.644613236517891 2.1661e-06 deg
node 144.3785563891962 1.3192e-05 deg
peri 197.9279357107851 1.0372e-05 deg
M 177.3937788917572 7.3862e-06 deg
tp 2458600.469464647894
(2019-Apr-26.96946465)
1.4378e-05 TDB
period 811.8153501574105
2.22
4.6827e-06
1.282e-08
d
yr
n .4434505949292487 2.5579e-09 deg/d
Q 2.471994038096051 9.5059e-09 au
  Orbit Determination Parameters
   # obs. used (total)      674  
   # delay obs. used      7  
   # Doppler obs. used      1  
   data-arc span      13432 days (36.77 yr)  
   first obs. used      1983-05-07  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43201  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-15 05:04:31  

Additional Information
 Earth MOID = .0315129 au 
 Jupiter MOID = 2.94411 au 
 T_jup = 4.073 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.3   n/a MPO254145  
rotation period rot_per 2.8174 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2012) http://www.asu.cas.cz/~ppravec/neo.htm]

153958 (2002 AM31)          Discovered 2002-Jan-14 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ 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
1903-Jul-19 07:25 00:03 Earth 0.0485257260712056 0.0485165469027794 0.0485349069810283 10.1482679207997 10.1428558407653 2416314.808884495 2.75651659945434 647.914501980761 1.00280954239295 -45.0587069613162 4468476.5599773 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
1914-Nov-10 01:48 < 00:01 Earth 0.380249292515614 0.380241130985809 0.380257454052531 20.2726126943084 20.272267043226 2420446.575081075 0.640376392942521 415.157635482353 7.10298708959768 11.3962902454231 1416804.46574492 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
1923-Jul-29 10:14 < 00:01 Earth 0.0357178049439143 0.0357169166730341 0.0357186933606325 8.79187583165169 8.78338684664557 2423629.926045019 0.908659178326137 122.229746325067 1.36786327255384 68.7496226021792 3469831.73271439 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
1934-Nov-14 19:19 < 00:01 Earth 0.467733171415115 0.467729481739696 0.467736861091437 22.9238624288692 22.9236139275227 2427756.305086525 0.273628645869403 186.869767203071 7.40811731306308 10.0854463934348 1527337.78116118 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
1943-Aug-23 09:11 00:02 Earth 0.0722439322150867 0.0722430570589632 0.0722448073955993 8.0441641926871 8.03957798335987 2430959.882442751 1.56752058645212 79.4137622453897 2.82281665636469 56.7173926072805 3169199.78836666 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
1952-Jun-16 03:56 < 00:01 Earth 0.490950061770496 0.490946779249901 0.490953344291482 23.5061889927758 23.5059581081861 2434179.663870631 0.251209410419814 165.159310339954 0.218161421763683 -7.66370823708422 42992578.5448724 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
1963-Sep-29 01:07 < 00:01 Earth 0.0677064802972029 0.067706015195994 0.0677069454324031 8.29879043635136 8.29404701771103 2438301.546806763 0.888090466624699 80.3047750440764 4.10018550776881 -73.4540250579507 2482339.22101834 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
1972-Jun-23 01:07 < 00:01 Earth 0.366937761792381 0.36693530089788 0.366940222687216 19.8805466689752 19.8801814144405 2441491.546785117 0.200544468272044 123.936963948527 0.523689687932243 -8.06086057687583 13130593.5571353 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
1983-Oct-20 04:40 < 00:01 Earth 0.0948445961156047 0.0948427960216583 0.0948463962396776 10.9681410597358 10.9655794235099 2445627.694664874 0.417068140390532 123.264283303112 5.89736057436212 43.334284562336 1547360.40408476 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
1992-Jul-03 15:45 < 00:01 Earth 0.199532762366947 0.199530774676837 0.199534750057907 14.9814132088207 14.9805218382752 2448807.155932148 0.203941251835748 101.223120671579 0.853566189934119 -11.7188978766516 6164469.50648867 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
2003-Nov-05 05:19 < 00:01 Earth 0.275146625416632 0.275145686845387 0.275147563988065 17.0914805316103 17.0909139327716 2452948.721260572 0.0842736070290316 48.209492527042 6.7136978651101 14.0221304018377 1506413.7643167 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
2012-Jul-22 23:40 < 00:01 Earth 0.0351448433358221 0.0351448406903306 0.0351448459813136 9.55222697683304 9.54428686446248 2456131.486082703 0.000592927017565737 2.5444411302669 0.131673158809182 89.7932308440443 47866386.127296 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
2023-Nov-12 00:33 < 00:01 Earth 0.392461047209085 0.392459867809976 0.392462226608351 20.6334152676283 20.6330862280482 2460260.522889250 0.0947039332598124 60.1241559184805 7.13776117148629 12.0845549140246 1757898.32773036 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
2032-Jul-29 03:34 < 00:01 Earth 0.0340635667774635 0.0340629776553587 0.0340641559674933 8.84372777505402 8.83487857106804 2463442.648559251 0.583934227479905 81.453022950045 1.35296712584046 68.8670008812853 3356358.20063522 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
2043-Nov-15 11:45 < 00:01 Earth 0.455901024771844 0.455892722325074 0.455909327224083 22.5512360951494 22.5509769315923 2467568.989480782 0.618291538756419 421.43069225977 7.29755790901729 10.7741725503097 1578839.91425479 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
2052-Aug-21 00:42 00:05 Earth 0.070031633996165 0.070028073225923 0.0700351950372074 8.04251996836632 8.03778787032061 2470770.529067756 5.159467974639 280.584343625447 2.80336082787163 50.7395758800669 2892753.8457148 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
2072-Sep-25 18:48 00:05 Earth 0.0710198415319539 0.0710172322561485 0.0710224517193688 8.1739704201644 8.16937926912558 2478111.283471065 5.44628180324319 422.069355076794 3.66133620434042 -72.0415903006926 2833398.65496693 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
2081-Jun-23 15:36 00:01 Earth 0.378236529009229 0.378219925720541 0.378253132311527 20.2488672070124 20.2485193090494 2481304.149979116 1.34559820165036 835.627370023678 0.395870238655571 -7.78593758456586 17014722.8581859 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
2092-Oct-18 20:19 00:03 Earth 0.0861602892642069 0.0861491445450396 0.0861714361363105 10.5318845945062 10.5289478939183 2485439.346748479 3.33038075938725 877.694814015176 5.78516236370294 50.7217657615643 1639418.1051473 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
2101-Jul-05 01:44 00:02 Earth 0.214340785271825 0.214322324557208 0.21435924604177 15.4027918123543 15.4019847269894 2488619.572166339 1.82954287370261 936.444964794646 0.743369963986679 -10.5807404266515 6812512.8166346 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
2112-Nov-05 18:22 00:01 Earth 0.264746577679083 0.264731382279224 0.26476177315324 16.7085241840043 16.7079218300874 2492761.264960851 1.39514676181161 789.354470662966 6.7078329811605 16.2795276639382 1464665.90474055 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
2121-Jul-22 06:33 00:02 Earth 0.0438291231539733 0.0438219690318997 0.0438362784520785 10.0585219620426 10.0524762710977 2495941.772710472 2.18712547534908 505.508263400776 1.00944774744012 -45.1197324401184 4050761.90411126 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
2132-Nov-11 01:45 < 00:01 Earth 0.351782229375351 0.351781753667755 0.351782705082948 19.3910829413309 19.390692333658 2500071.572721649 0.0509627078844664 23.8463293605778 6.75979612684929 6.12632194974599 2087827.07212635 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
2141-Jul-22 15:08 00:02 Earth 0.043014139404206 0.0430089537769413 0.0430193256762725 10.0599048526261 10.0537454269449 2503247.130492414 1.6049444647852 368.627628922353 1.02283289286722 -45.4624923211186 3957345.11423018 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
2152-Nov-04 08:00 00:02 Earth 0.232903712747061 0.232888197109583 0.232919228497097 15.7233525581877 15.7226249445319 2507369.833325206 1.49743855723604 814.746189437154 6.55932904222568 18.2713808721679 1474024.30506259 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
2161-Jul-05 03:19 00:02 Earth 0.222629676797535 0.222609664976682 0.222649688675284 15.6603574709952 15.6595932161038 2510534.638304642 1.94347161311947 1013.56851027255 0.683094357473212 -10.0975145994488 7300981.30888175 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
2172-Oct-18 15:06 00:04 Earth 0.0779689168930575 0.0779585942954547 0.0779792434910147 10.0247400604831 10.0213305534134 2514658.128834946 4.42954146180048 1020.29669357334 5.60781956156248 59.707040409164 1746925.68054697 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
2181-Jun-25 16:12 00:02 Earth 0.378646234964136 0.37862003588842 0.378672434073212 20.2812115639579 20.2808645966684 2517830.174768013 2.11667914388327 1318.40893292702 0.326726758702578 -7.73316697918959 19935795.1657169 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
2192-Sep-25 17:24 00:12 Earth 0.0746025800440353 0.0745976432160321 0.0746075200411728 8.11341635376646 8.10901311120014 2521940.224974777 11.5338448507775 805.587986706039 3.36537471253073 -72.1978504149126 3151253.72044998 T 116 CATAB v2.0f-lin.ifort 2020-Feb-15 05:04:46 2020-Feb-15 05:05
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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