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413056 (2001 RA87)
Classification: Main-belt Asteroid          SPK-ID: 2413056
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3250914672157409 7.8334e-08  
a 2.628030839304146 1.1425e-08 au
q 1.773680437866546 2.0607e-07 au
i 2.800074453142318 7.1978e-06 deg
node 311.1822417105535 0.00025483 deg
peri .3714574898657687 0.00025521 deg
M 167.9841596740866 1.7312e-05 deg
tp 2458274.377418170674
(2018-Jun-04.87741817)
7.4436e-05 TDB
period 1556.123684314752
4.26
1.0147e-05
2.778e-08
d
yr
n .2313440786414918 1.5086e-09 deg/d
Q 3.482381240741745 1.5139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      6338 days (17.35 yr)  
   first obs. used      2001-08-27  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57278  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:43:31  

Additional Information
 Earth MOID = .759434 au 
 Jupiter MOID = 1.81875 au 
 T_jup = 3.322 
[ 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 16.9   n/a MPO455940  

413056 (2001 RA87)          Discovered 2001-Aug-27 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-11-10

[ 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
1930-Sep-11 03:57 00:02 Jupiter 1.91224543771116 1.91224412659364 1.91224674905161 1.1279358988345 0.621567611464822 2426230.664391228 1.68154442915419 2660.85220570705 354.925455947692 -49.4981452163709 3104534.38071135 T 13 CATAB v2.0e-lin.ifort 2019-Jul-13 09:43:33 2019-Jul-13 09:43
1944-Feb-23 23:49 00:01 Jupiter 1.93077327528788 1.93077200186401 1.93077454885387 0.974981958545901 0.270550949633922 2431144.492181374 1.37187115348944 23641.1528520698 2247.78146651786 -3.17044003193268 606868.807470972 T 13 CATAB v2.0e-lin.ifort 2019-Jul-13 09:43:33 2019-Jul-13 09:43
1990-Jun-02 02:55 < 00:01 Jupiter 1.8240413982094 1.82404066880549 1.82404212790549 0.978830453429985 0.171398298861745 2448044.621665108 0.594697175641005 61954.398036948 2426.52725400765 -6.86719267453974 2843511.68987074 T 13 CATAB v2.0e-lin.ifort 2019-Jul-13 09:43:33 2019-Jul-13 09:43
2050-Feb-15 16:44 < 00:01 Jupiter 1.79075172955881 1.79075118260722 1.79075227663216 0.941305697139151 n/a 2469853.197179249 0.729713819150583 787.746209946176 9.65251334761628 88.1439256405402 27731680.3157536 F 13 CATAB v2.0e-lin.ifort 2019-Jul-13 09:43:33 2019-Jul-13 09:43
2109-Oct-31 04:08 00:02 Jupiter 1.81637771852778 1.81637690165903 1.81637853550607 0.918743411835986 n/a 2491659.672146152 1.77020744562114 1003.73645677186 29.036614629021 88.368143200897 9351793.67208047 F 13 CATAB v2.0e-lin.ifort 2019-Jul-13 09:43:33 2019-Jul-13 09:43
2156-Feb-01 06:41 00:03 Jupiter 1.95987342984865 1.9598714219414 1.95987543782609 1.2705706528289 0.866016903126667 2508553.778185062 2.78563696336722 1238.34248966396 140.84374688476 -49.4276209189705 2095624.46157502 T 13 CATAB v2.0e-lin.ifort 2019-Jul-13 09:43:33 2019-Jul-13 09:43
2169-Jul-16 07:40 00:03 Jupiter 1.89759796027427 1.89759615678784 1.89759976444527 0.909615705245784 n/a 2513467.819519770 2.9037759702714 2182.38900965156 50.9343467715829 88.0526650324256 5568758.18091265 F 13 CATAB v2.0e-lin.ifort 2019-Jul-13 09:43:33 2019-Jul-13 09:43
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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