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JPL Small-Body Database Browser
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59910 (1999 RA156)
Classification: Main-belt Asteroid          SPK-ID: 2059910
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1681257086393856 3.8109e-08  
a 2.289811752392077 1.0278e-08 au
q 1.904835528870366 8.9812e-08 au
i 3.455528353494014 4.0329e-06 deg
node 247.4191067017597 8.3321e-05 deg
peri 39.01362776574967 8.5285e-05 deg
M 283.2623087314116 2.2966e-05 deg
tp 2458870.276629873085
(2020-Jan-21.77662987)
8.194e-05 TDB
period 1265.604752355445
3.47
8.5208e-06
2.333e-08
d
yr
n .2844489950989801 1.9151e-09 deg/d
Q 2.674787975913788 1.2005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1021  
   data-arc span      10308 days (28.22 yr)  
   first obs. used      1991-02-19  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54958  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:16:06  

Additional Information
 Earth MOID = .889324 au 
 Jupiter MOID = 2.47484 au 
 T_jup = 3.578 
[ 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 15.4   n/a MPO337729  

59910 (1999 RA156)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RA156 = 2002 JA52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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