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10520 (1990 RS2)
Classification: Main-belt Asteroid          SPK-ID: 2010520
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1459694035803461 4.8298e-08  
a 2.244086002490452 1.2474e-08 au
q 1.916518107123917 1.0866e-07 au
i 2.007114034826023 5.5508e-06 deg
node 293.308847305751 0.00014996 deg
peri 95.6330916325322 0.0001515 deg
M 227.3469377934783 2.1806e-05 deg
tp 2458052.951936333716
(2017-Oct-26.45193633)
7.6045e-05 JED
period 1227.884938129456
3.36
1.0238e-05
2.803e-08
d
yr
n .2931870803370383 2.4446e-09 deg/d
Q 2.571653897856986 1.4295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1268  
   data-arc span      9348 days (25.59 yr)  
   first obs. used      1990-09-15  
   last obs. used      2016-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5221  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:08:50  

Additional Information
 Earth MOID = .921279 au 
 Jupiter MOID = 2.86552 au 
 T_jup = 3.617 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO337346  

10520 (1990 RS2)          Discovered 1990-Sep-15 by Holt, H. E. at Palomar
Reference: 19990504/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 RS2 = 1993 NH1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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