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187958 (2001 OR66)
Classification: Main-belt Asteroid          SPK-ID: 2187958
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03470301796325433 1.2039e-07  
a 2.555107911273142 2.423e-08 au
q 2.466437955530177 2.9819e-07 au
i 21.21998718863838 8.03e-06 deg
node 258.2658341070926 1.7015e-05 deg
peri 148.2982619399272 8.9429e-05 deg
M 209.531121385793 9.0814e-05 deg
tp 2459824.028746383854
(2022-Sep-01.52874638)
0.00037887 TDB
period 1491.805819020661
4.08
2.122e-05
5.81e-08
d
yr
n .2413182703874506 3.4326e-09 deg/d
Q 2.643777867016107 2.5071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      7795 days (21.34 yr)  
   first obs. used      1999-01-23  
   last obs. used      2020-05-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5278  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:30  

Additional Information
 Earth MOID = 1.48935 au 
 Jupiter MOID = 2.59521 au 
 T_jup = 3.342 
[ 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 15.52   n/a MPCxxxxx  

187958 (2001 OR66)          Discovered 2001-Jul-23 by NEAT at Palomar
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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