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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2844937833073647 1.1956e-07  
a 2.699841253022551 3.3382e-08 AU
q 1.931753200620869 3.0873e-07 AU
i 11.05190479369064 1.0032e-05 deg
node 266.7135038067691 5.0998e-05 deg
peri 84.19724832316886 5.4257e-05 deg
M 108.6651575677063 2.67e-05 deg
tp 2456311.404593903487
(2013-Jan-18.90459390)
0.00011308 JED
period 1620.338571588942
4.44
3.0052e-05
8.228e-08
d
yr
n .2221757886359365 4.1206e-09 deg/d
Q 3.467929305424232 4.2879e-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      .5611  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 23:13:46  

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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