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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1449616020883384 5.7417e-08  
a 2.244336730157921 1.4583e-08 AU
q 1.918994082128526 1.3074e-07 AU
i 2.008777138070225 6.1093e-06 deg
node 293.3771599215656 0.00017896 deg
peri 95.42652285460012 0.0001805 deg
M 353.0653199945149 2.3753e-05 deg
tp 2456824.156711710634
(2014-Jun-15.65671171)
8.1111e-05 JED
period 1228.090727919986
3.36
1.197e-05
3.277e-08
d
yr
n .2931379513057077 2.8572e-09 deg/d
Q 2.569679378187316 1.6698e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      969  
   data-arc span      8330 days (22.81 yr)  
   first obs. used      1990-09-15  
   last obs. used      2013-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5692  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 16:38:30  

Additional Information
 Earth MOID = .92376 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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