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66508 (1999 RS86)
Classification: Main-belt Asteroid          SPK-ID: 2066508
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2802763512969133 5.0543e-08  
a 2.564156917953917 1.2074e-08 au
q 1.845484372837055 1.3357e-07 au
i 6.362210943730339 5.1355e-06 deg
node 11.39302909564285 4.4007e-05 deg
peri 325.3085553801998 4.5519e-05 deg
M 73.90230034886589 1.5771e-05 deg
tp 2458892.627582773070
(2020-Feb-13.12758277)
6.3875e-05 TDB
period 1499.73775753241
4.11
1.0592e-05
2.9e-08
d
yr
n .2400419661316823 1.6954e-09 deg/d
Q 3.28282946307078 1.5458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      691  
   data-arc span      7856 days (21.51 yr)  
   first obs. used      1999-07-16  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54012  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:22:46  

Additional Information
 Earth MOID = .838946 au 
 Jupiter MOID = 2.12747 au 
 T_jup = 3.369 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.21   n/a E2021B10  

66508 (1999 RS86)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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