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387661 (2002 RS240)
Classification: Inner Main-belt Asteroid          SPK-ID: 2387661
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1103862975323593 4.8864e-08  
a 1.874758110322073 1.2274e-08 au
q 1.667810503754857 8.8258e-08 au
i 22.40469125026982 1.2396e-05 deg
node 178.665177698872 1.2818e-05 deg
peri 287.2967422944114 8.5224e-05 deg
M 221.6119106249897 7.4877e-05 deg
tp 2459360.923003197513
(2021-May-26.42300320)
0.00019294 TDB
period 937.5971713829792
2.57
9.2079e-06
2.521e-08
d
yr
n .3839602027264982 3.7708e-09 deg/d
Q 2.081705716889289 1.3629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      6629 days (18.15 yr)  
   first obs. used      2001-03-04  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62802  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:00:54  

Additional Information
 Earth MOID = .76365 au 
 Jupiter MOID = 3.03394 au 
 T_jup = 3.879 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO471987  

387661 (2002 RS240)          Discovered 2002-Sep-10 by Lowe, A. at Haleakala
Reference: Last Updated: 2014-03-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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