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JPL Small-Body Database Browser
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442785 (2012 XM144)
Classification: Main-belt Asteroid          SPK-ID: 2442785
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .214578911821557 6.1547e-08  
a 2.583580591712255 2.3588e-08 au
q 2.029198679739345 1.585e-07 au
i 5.072505521676257 8.0916e-06 deg
node 106.5217850174227 5.5849e-05 deg
peri 321.9968700733124 5.85e-05 deg
M 226.1057543777137 1.9094e-05 deg
tp 2459164.645150106861
(2020-Nov-11.14515011)
8.3526e-05 TDB
period 1516.81092114586
4.15
2.0773e-05
5.687e-08
d
yr
n .2373400632743608 3.2504e-09 deg/d
Q 3.137962503685165 2.8649e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      8598 days (23.54 yr)  
   first obs. used      1995-12-20  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5869  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:58  

Additional Information
 Earth MOID = 1.04608 au 
 Jupiter MOID = 2.16981 au 
 T_jup = 3.385 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO437722  

442785 (2012 XM144)          Discovered 1995-Dec-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 XM144 = 1995 YY13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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