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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2844937429540799 1.2218e-07  
a 2.699841243365888 3.1034e-08 AU
q 1.93175330265893 3.1819e-07 AU
i 11.05190051225895 1.0214e-05 deg
node 266.7135731858813 5.772e-05 deg
peri 84.1971922647576 6.0573e-05 deg
M 108.6651534320956 2.5797e-05 deg
tp 2456311.404615141685
(2013-Jan-18.90461514)
0.00010976 JED
period 1620.338562895618
4.44
2.7938e-05
7.649e-08
d
yr
n .222175789827938 3.8308e-09 deg/d
Q 3.467929184072847 3.9863e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      17928 days (49.08 yr)  
   first obs. used      1964-12-25  
   last obs. used      2014-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58473  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:34:14  

Additional Information
 Earth MOID = .962023 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 (675)
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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