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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2855531556426575 1.174e-07  
a 2.698051499553863 3.3219e-08 AU
q 1.927614379769853 3.0312e-07 AU
i 11.0422810944412 9.3603e-06 deg
node 266.6431588067955 5.0618e-05 deg
peri 84.23266330184884 5.3472e-05 deg
M 153.0855960730063 2.7162e-05 deg
tp 2456312.155877813334
(2013-Jan-19.65587781)
0.00011179 JED
period 1618.727629142997
4.43
2.9895e-05
8.185e-08
d
yr
n .222396895882104 4.1073e-09 deg/d
Q 3.468488619337873 4.2705e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      451  
   data-arc span      18286 days (50.06 yr)  
   first obs. used      1964-12-25  
   last obs. used      2015-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55665  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 14:01:48  

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 (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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