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187952 (2001 OL2)
Classification: Main-belt Asteroid          SPK-ID: 2187952
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2079505626510941 2.9688e-08  
a 2.374799341071735 9.1266e-09 au
q 1.88095848191242 7.3598e-08 au
i 14.06361671153129 3.8467e-06 deg
node 181.1758596280028 1.6313e-05 deg
peri 136.4095810536291 2.0559e-05 deg
M 102.6293870501832 1.2606e-05 deg
tp 2458819.427121217532
(2019-Dec-01.92712122)
4.5602e-05 TDB
period 1336.714953725756
3.66
7.7057e-06
2.11e-08
d
yr
n .2693169542216842 1.5525e-09 deg/d
Q 2.86864020023105 1.1024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      453  
   data-arc span      8684 days (23.78 yr)  
   first obs. used      1997-04-30  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58187  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:30  

Additional Information
 Earth MOID = .892439 au 
 Jupiter MOID = 2.57363 au 
 T_jup = 3.473 
[ 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 16.5   n/a MPO436930  

187952 (2001 OL2)          Discovered 2001-Jul-16 by LONEOS at Anderson Mesa
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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