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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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