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JPL Small-Body Database Browser
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390222 (2012 XW37)
Classification: Main-belt Asteroid          SPK-ID: 2390222
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08067815797253938 7.7216e-08  
a 2.540057023828528 3.1109e-08 au
q 2.335129902000832 2.0045e-07 au
i 1.014998713537095 7.8402e-06 deg
node 131.4444540026844 0.00031203 deg
peri 193.7958383462961 0.00031408 deg
M 47.23319710577768 3.704e-05 deg
tp 2458806.496989665403
(2019-Nov-18.99698967)
0.00015129 TDB
period 1478.644004640367
4.05
2.7164e-05
7.437e-08
d
yr
n .243466310261447 4.4727e-09 deg/d
Q 2.744984145656224 3.3618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      8741 days (23.93 yr)  
   first obs. used      1995-07-27  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5808  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:06:47  

Additional Information
 Earth MOID = 1.32303 au 
 Jupiter MOID = 2.48223 au 
 T_jup = 3.441 
[ 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 17.0   n/a MPO440684  

390222 (2012 XW37)          Discovered 2006-Mar-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-03-21

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