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JPL Small-Body Database Browser
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74665 (1999 RA94)
Classification: Main-belt Asteroid          SPK-ID: 2074665
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2176677930904257 4.1359e-08  
a 2.321666445959099 9.6145e-09 au
q 1.816314434375089 9.4975e-08 au
i 4.597566473223268 4.6311e-06 deg
node 119.5218123105999 5.522e-05 deg
peri 256.6459067126958 5.6279e-05 deg
M 183.5038002027441 1.2698e-05 deg
tp 2459233.977249096162
(2021-Jan-19.47724910)
4.8104e-05 TDB
period 1292.106061980855
3.54
8.0263e-06
2.197e-08
d
yr
n .2786148990339883 1.7307e-09 deg/d
Q 2.827018457543107 1.1707e-08 au
  Orbit Determination Parameters
   # obs. used (total)      752  
   data-arc span      8153 days (22.32 yr)  
   first obs. used      1997-01-09  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55668  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:48  

Additional Information
 Earth MOID = .823412 au 
 Jupiter MOID = 2.64124 au 
 T_jup = 3.541 
[ 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 15.7   n/a MPO337821  

74665 (1999 RA94)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/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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