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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2855531365965405 1.1688e-07  
a 2.698051495775562 3.3143e-08 AU
q 1.927614428457863 3.0181e-07 AU
i 11.04227973028377 9.1809e-06 deg
node 266.6431578917899 5.0609e-05 deg
peri 84.2326702274046 5.3375e-05 deg
M 153.0855940451832 2.7144e-05 deg
tp 2456312.155888377287
(2013-Jan-19.65588838)
0.00011167 JED
period 1618.727625742743
4.43
2.9826e-05
8.166e-08
d
yr
n .2223968963492646 4.0979e-09 deg/d
Q 3.468488563093261 4.2607e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      462  
   data-arc span      18317 days (50.15 yr)  
   first obs. used      1964-12-25  
   last obs. used      2015-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56993  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:07:57  

Additional Information
 Earth MOID = .959441 AU 
 T_jup = 3.283 
[ 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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