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66489 (1999 RS44)
Classification: Main-belt Asteroid          SPK-ID: 2066489
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2676369579191101 4.7977e-08  
a 2.53669914993065 5.8206e-09 au
q 1.857784706287218 1.2321e-07 au
i 5.804252865440506 3.124e-06 deg
node 56.95920655650341 4.3316e-05 deg
peri 323.0264938131643 4.3814e-05 deg
M 90.94532523355363 6.9666e-06 deg
tp 2458827.696696961051
(2019-Dec-10.19669696)
2.7987e-05 TDB
period 1475.712893976282
4.04
5.0791e-06
1.391e-08
d
yr
n .243949891248823 8.3963e-10 deg/d
Q 3.215613593574082 7.3783e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1349  
   data-arc span      10729 days (29.37 yr)  
   first obs. used      1991-11-02  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4998  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:01:55  

Additional Information
 Earth MOID = .863345 au 
 Jupiter MOID = 2.25004 au 
 T_jup = 3.390 
[ 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 15.32   n/a MPCxxxxx  

66489 (1999 RS44)          Discovered 1999-Sep-15 by Korlevic, K. at Visnjan
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RS44 = 1991 VQ = 1995 YJ25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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