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74631 (1999 RS46)
Classification: Main-belt Asteroid          SPK-ID: 2074631
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2330100435313757 3.9806e-08  
a 2.226328311429613 8.1982e-09 au
q 1.707571454668265 9.0098e-08 au
i 6.656353973235329 3.8828e-06 deg
node 134.7942353908026 3.9199e-05 deg
peri 224.3480722897322 4.0317e-05 deg
M 65.5962128651171 7.7906e-06 deg
tp 2458779.415392804399
(2019-Oct-22.91539280)
2.637e-05 TDB
period 1213.339232770573
3.32
6.702e-06
1.835e-08
d
yr
n .2967018540873897 1.6389e-09 deg/d
Q 2.745085168190962 1.0108e-08 au
  Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      7495 days (20.52 yr)  
   first obs. used      1999-07-13  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52743  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:19:42  

Additional Information
 Earth MOID = .710738 au 
 Jupiter MOID = 2.71098 au 
 T_jup = 3.601 
[ 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 16.5   n/a MPO436304  

74631 (1999 RS46)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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