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86187 (1999 RQ239)
Classification: Main-belt Asteroid          SPK-ID: 2086187
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1368416872657956 4.8475e-08  
a 3.061096468687263 2.1481e-08 au
q 2.642210863028729 1.4957e-07 au
i 13.66333870379483 5.8448e-06 deg
node 160.4235620086493 1.8575e-05 deg
peri 235.9098899374692 2.6352e-05 deg
M 298.3447178898856 1.8114e-05 deg
tp 2459335.528489954822
(2021-May-01.02848995)
9.8816e-05 TDB
period 1956.203138740484
5.36
2.0591e-05
5.638e-08
d
yr
n .1840299674765825 1.9371e-09 deg/d
Q 3.479982074345796 2.442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      823  
   data-arc span      7635 days (20.90 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57112  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:59:39  

Additional Information
 Earth MOID = 1.67442 au 
 Jupiter MOID = 2.0776 au 
 T_jup = 3.176 
[ 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 14.3   n/a MPO436378  

86187 (1999 RQ239)          Discovered 1999-Sep-08 by LONEOS at Anderson Mesa
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 RQ239 = 2001 BY52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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