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91514 (1999 RJ166)
Classification: Main-belt Asteroid          SPK-ID: 2091514
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07188742035463787 3.6218e-08  
a 2.857956321510439 1.8878e-08 au
q 2.652505214070823 1.0088e-07 au
i 3.202337440035506 3.9486e-06 deg
node 112.5956939281472 7.9548e-05 deg
peri 214.7120814538934 8.5913e-05 deg
M 120.0035238984859 3.2776e-05 deg
tp 2458412.234598877374
(2018-Oct-20.73459888)
0.00016051 TDB
period 1764.7443802008
4.83
1.7485e-05
4.787e-08
d
yr
n .2039955497458718 2.0212e-09 deg/d
Q 3.063407428950054 2.0235e-08 au
  Orbit Determination Parameters
   # obs. used (total)      982  
   data-arc span      10219 days (27.98 yr)  
   first obs. used      1992-02-05  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55428  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:32:20  

Additional Information
 Earth MOID = 1.64147 au 
 Jupiter MOID = 2.17285 au 
 T_jup = 3.297 
[ 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 14.8   n/a MPO453355  

91514 (1999 RJ166)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 RJ166 = 2000 YR136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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