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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .145020885511994 4.9538e-08  
a 2.24460572977023 1.3213e-08 AU
q 1.919091019213656 1.1139e-07 AU
i 2.008733304959672 5.8706e-06 deg
node 293.3779518729518 0.00015337 deg
peri 95.47661907183054 0.00015507 deg
M 51.6454492388117 2.2163e-05 deg
tp 2456824.286942649839
(2014-Jun-15.78694265)
7.5175e-05 JED
period 1228.311527560204
3.36
1.0846e-05
2.969e-08
d
yr
n .2930852572189631 2.5878e-09 deg/d
Q 2.570120440326805 1.5129e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1186  
   data-arc span      9000 days (24.64 yr)  
   first obs. used      1990-09-15  
   last obs. used      2015-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51634  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:08:46  

Additional Information
 Earth MOID = .925007 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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