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22649 (1998 OD12)
Classification: Main-belt Asteroid          SPK-ID: 2022649
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07785314065958208 3.7068e-08  
a 2.393457163704197 8.4832e-09 au
q 2.20711900647565 8.7803e-08 au
i 5.943202889028462 4.5344e-06 deg
node 352.1895125528096 3.8001e-05 deg
peri 219.092140391237 4.7669e-05 deg
M 112.1308474308783 2.8616e-05 deg
tp 2458779.230983045219
(2019-Oct-22.73098305)
0.0001074 TDB
period 1352.498884815868
3.70
7.1905e-06
1.969e-08
d
yr
n .266173971780399 1.4151e-09 deg/d
Q 2.579795320932744 9.1436e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1828  
   data-arc span      10158 days (27.81 yr)  
   first obs. used      1993-01-23  
   last obs. used      2020-11-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5005  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:08:42  

Additional Information
 Earth MOID = 1.20478 au 
 Jupiter MOID = 2.39272 au 
 T_jup = 3.519 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.33   n/a E2021B10  

22649 (1998 OD12)          Discovered 1998-Jul-27 by Broughton, J. at Reedy Creek
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 OD12 = 1999 XC183 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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