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78222 (2002 OG8)
Classification: Main-belt Asteroid          SPK-ID: 2078222
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 .07280924012446423 4.0329e-08  
a 2.714174741530367 1.2507e-08 au
q 2.516557741034527 1.1246e-07 au
i 1.597781880787267 4.1093e-06 deg
node 297.4109584626445 0.00013787 deg
peri 11.93760158601001 0.00014128 deg
M 357.6808829026597 2.9005e-05 deg
tp 2459011.021443094758
(2020-Jun-10.52144309)
0.00013157 TDB
period 1633.259277186453
4.47
1.1289e-05
3.091e-08
d
yr
n .2204181571343387 1.5235e-09 deg/d
Q 2.911791742026207 1.3418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      700  
   data-arc span      7635 days (20.90 yr)  
   first obs. used      1999-12-05  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55852  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:41  

Additional Information
 Earth MOID = 1.50192 au 
 Jupiter MOID = 2.25885 au 
 T_jup = 3.357 
[ 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 15.6   n/a MPO436329  

78222 (2002 OG8)          Discovered 2002-Jul-18 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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