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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .145208174796742 4.6896e-08  
a 2.245343034990091 6.4795e-09 au
q 1.919300871086603 1.0531e-07 au
i 2.007578168902262 3.2371e-06 deg
node 293.2812106040827 0.00014306 deg
peri 95.37656943741469 0.00014348 deg
M 278.0007720669871 1.1459e-05 deg
tp 2459280.417299598883
(2021-Mar-06.91729960)
3.9454e-05 TDB
period 1228.916788557076
3.36
5.3195e-06
1.456e-08
d
yr
n .2929409080843393 1.268e-09 deg/d
Q 2.57138519889358 7.4204e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2005  
   data-arc span      10465 days (28.65 yr)  
   first obs. used      1990-09-15  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49386  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:49:32  

Additional Information
 Earth MOID = .925382 au 
 Jupiter MOID = 2.86524 au 
 T_jup = 3.616 
[ 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 14.6   n/a MPO473909  
diameter diameter 8.733 km 0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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