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66530 (1999 RJ108)
Classification: Main-belt Asteroid          SPK-ID: 2066530
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1197849144011451 4.8112e-08  
a 2.584158107202065 1.7912e-08 au
q 2.27461494953184 1.2942e-07 au
i 12.36535810911331 5.8322e-06 deg
node 311.6885705621661 2.2809e-05 deg
peri 287.5782632532631 3.4417e-05 deg
M 95.84154109984976 2.8351e-05 deg
tp 2458596.549326051183
(2019-Apr-23.04932605)
0.00011867 TDB
period 1517.319535482743
4.15
1.5776e-05
4.319e-08
d
yr
n .2372605055041779 2.4668e-09 deg/d
Q 2.893701264872289 2.0057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      807  
   data-arc span      7257 days (19.87 yr)  
   first obs. used      1999-09-07  
   last obs. used      2019-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53035  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:50:28  

Additional Information
 Earth MOID = 1.29718 au 
 Jupiter MOID = 2.28675 au 
 T_jup = 3.380 
[ 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 MPO296618  
diameter diameter 3.185 km 0.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.191   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66530 (1999 RJ108)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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