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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2149863828726194 6.1729e-08  
a 2.581631701254534 2.3152e-08 au
q 2.026616039892535 1.5913e-07 au
i 5.073728430640896 8.0945e-06 deg
node 106.5234080130519 5.5845e-05 deg
peri 322.1946199150775 5.8487e-05 deg
M 320.9188625705688 1.9573e-05 deg
tp 2459164.976762619445
(2020-Nov-11.47676262)
8.3305e-05 TDB
period 1515.094964928255
4.15
2.0381e-05
5.58e-08
d
yr
n .237608868310804 3.1963e-09 deg/d
Q 3.136647362616533 2.8129e-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 = 1.04374 au 
 Jupiter MOID = 2.1704 au 
 T_jup = 3.386 
[ 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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