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74687 (1999 RA126)
Classification: Main-belt Asteroid          SPK-ID: 2074687
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 .1726253952168552 4.8713e-08  
a 2.262733278232997 1.0144e-08 au
q 1.872128051807696 1.1225e-07 au
i 3.405217787546185 4.8066e-06 deg
node 290.8926048261905 8.6368e-05 deg
peri 26.97267842789956 8.7313e-05 deg
M 47.28493817320634 1.3576e-05 deg
tp 2458837.206537574362
(2019-Dec-19.70653757)
4.6654e-05 TDB
period 1243.221388127779
3.40
8.3601e-06
2.289e-08
d
yr
n .2895703077809332 1.9472e-09 deg/d
Q 2.653338504658299 1.1895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      7183 days (19.67 yr)  
   first obs. used      1999-09-05  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55324  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:51  

Additional Information
 Earth MOID = .859486 au 
 Jupiter MOID = 2.6314 au 
 T_jup = 3.596 
[ 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 15.7   n/a MPO436305  

74687 (1999 RA126)          Discovered 1999-Sep-09 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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