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487790 (2015 RW237)
Classification: Main-belt Asteroid          SPK-ID: 2487790
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05331621652420804 6.2805e-08  
a 3.042482176131378 6.7572e-08 au
q 2.880268537657714 1.8519e-07 au
i 10.57814114915641 6.7461e-06 deg
node 150.0872132809102 3.7397e-05 deg
peri 208.7138773414636 7.8614e-05 deg
M 351.3814121433677 6.641e-05 deg
tp 2459046.905996530703
(2020-Jul-16.40599653)
0.00035757 TDB
period 1938.387010604898
5.31
6.4576e-05
1.768e-07
d
yr
n .1857214261292731 6.1872e-09 deg/d
Q 3.204695814605042 7.1175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      4889 days (13.39 yr)  
   first obs. used      2007-03-12  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63164  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 02:25:48  

Additional Information
 Earth MOID = 1.87895 au 
 Jupiter MOID = 2.09579 au 
 T_jup = 3.211 
[ 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 16.4   n/a MPO440946  

487790 (2015 RW237)          Discovered 2007-Mar-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 RW237 = 2007 EX83 = 2014 QE51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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