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JPL Small-Body Database Browser
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91485 (1999 RF115)
Classification: Main-belt Asteroid          SPK-ID: 2091485
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .23685498935326 4.4068e-08  
a 2.7279297542145 1.6595e-08 au
q 2.081805981323583 1.2404e-07 au
i 10.25696029195249 5.3777e-06 deg
node 150.7301894008278 2.6384e-05 deg
peri 239.0828667289029 2.8375e-05 deg
M 181.3019598887572 1.2561e-05 deg
tp 2459817.393592637218
(2022-Aug-25.89359264)
6.2092e-05 TDB
period 1645.690647565733
4.51
1.5017e-05
4.111e-08
d
yr
n .2187531420516386 1.9962e-09 deg/d
Q 3.374053527105416 2.0526e-08 au
  Orbit Determination Parameters
   # obs. used (total)      648  
   data-arc span      10847 days (29.70 yr)  
   first obs. used      1990-08-16  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53323  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:41:36  

Additional Information
 Earth MOID = 1.10709 au 
 Jupiter MOID = 2.15174 au 
 T_jup = 3.292 
[ 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 15.3   n/a MPO337940  

91485 (1999 RF115)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 RF115 = 1990 QG8 = 1990 QS15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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