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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2844937461435045 1.2114e-07  
a 2.699841243137226 3.0979e-08 AU
q 1.93175329388438 3.151e-07 AU
i 11.05190016366667 1.0162e-05 deg
node 266.7135778579006 5.5974e-05 deg
peri 84.19718795906377 5.8886e-05 deg
M 108.6651534241335 2.5795e-05 deg
tp 2456311.404615239657
(2013-Jan-18.90461524)
0.00010975 JED
period 1620.338562689766
4.44
2.7889e-05
7.636e-08
d
yr
n .2221757898561638 3.824e-09 deg/d
Q 3.467929192390071 3.9793e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      441  
   data-arc span      17976 days (49.22 yr)  
   first obs. used      1964-12-25  
   last obs. used      2014-03-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58243  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:18:07  

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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