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22302 (1990 OG4)
Classification: Main-belt Asteroid          SPK-ID: 2022302
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2870954519671529 9.7245e-08  
a 2.694751703757309 2.8578e-08 au
q 1.921100745427849 2.5387e-07 au
i 11.04366174075714 8.0652e-06 deg
node 266.5338783695698 4.8769e-05 deg
peri 84.40840727876838 5.1177e-05 deg
M 286.624707827423 2.7181e-05 deg
tp 2457929.824394839184
(2017-Jun-25.32439484)
0.00012661 JED
period 1615.758910550755
4.42
2.5702e-05
7.037e-08
d
yr
n .2228055173635334 3.5443e-09 deg/d
Q 3.468402662086768 3.6782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      497  
   data-arc span      18736 days (51.30 yr)  
   first obs. used      1964-12-25  
   last obs. used      2016-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56066  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:38:42  

Additional Information
 Earth MOID = .95196 au 
 Jupiter MOID = 2.14918 au 
 T_jup = 3.284 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO233645  

22302 (1990 OG4)          Discovered 1990-Jul-24 by Holt, H. E. at Palomar
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 OG4 = 1964 YB = 1999 KS4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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