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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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1450208807426175 5.269e-08  
a 2.244605731575757 1.4719e-08 AU
q 1.919091031462714 1.2045e-07 AU
i 2.008732941197001 5.9062e-06 deg
node 293.3779528457998 0.00016451 deg
peri 95.47662042852431 0.00016612 deg
M 51.64544592854037 2.2886e-05 deg
tp 2456824.286953731793
(2014-Jun-15.78695373)
7.7468e-05 JED
period 1228.311529042258
3.36
1.2082e-05
3.308e-08
d
yr
n .2930852568653329 2.8829e-09 deg/d
Q 2.570120431688801 1.6854e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      999  
   data-arc span      8815 days (24.13 yr)  
   first obs. used      1990-09-15  
   last obs. used      2014-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53512  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:12:26  

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 14.3 mag n/a MPO266014  

10520 (1990 RS2)          Discovered 1990-Sep-15 by Holt, H. E. at Palomar (675)
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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