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437236 (2012 XO20)
Classification: Main-belt Asteroid          SPK-ID: 2437236
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05792686471040516 1.0421e-07  
a 3.178133031479133 8.0661e-08 au
q 2.994033749332971 3.583e-07 au
i 10.20069102535548 1.0961e-05 deg
node 71.81188142469209 8.3712e-05 deg
peri 357.2091366347864 0.00018021 deg
M 114.3870157919486 0.00015964 deg
tp 2458342.946998914795
(2018-Aug-12.44699891)
0.00090555 TDB
period 2069.457610654232
5.67
7.8784e-05
2.157e-07
d
yr
n .1739586247848733 6.6226e-09 deg/d
Q 3.362232313625295 8.5333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      4899 days (13.41 yr)  
   first obs. used      2006-11-22  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54465  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:40:20  

Additional Information
 Earth MOID = 2.00833 au 
 Jupiter MOID = 1.90171 au 
 T_jup = 3.173 
[ 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 15.8   n/a MPO472425  

437236 (2012 XO20)          Discovered 2007-Dec-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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