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JPL Small-Body Database Browser
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390231 (2012 XP49)
Classification: Main-belt Asteroid          SPK-ID: 2390231
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1282268279195899 2.3432e-07  
a 2.97207583604259 8.0679e-08 au
q 2.590975979250385 7.5e-07 au
i 2.859992836828393 1.105e-05 deg
node 34.61863640725506 0.00018785 deg
peri 97.95083632151102 0.00038717 deg
M 29.46258273450422 0.0002694 deg
tp 2458447.336045293298
(2018-Nov-24.83604529)
0.0014054 TDB
period 1871.493215353397
5.12
7.6205e-05
2.086e-07
d
yr
n .1923597676158397 7.8326e-09 deg/d
Q 3.353175692834794 9.1025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      9066 days (24.82 yr)  
   first obs. used      1994-05-02  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53746  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:03:31  

Additional Information
 Earth MOID = 1.60772 au 
 Jupiter MOID = 1.68972 au 
 T_jup = 3.248 
[ 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 16.5   n/a MPO427945  

390231 (2012 XP49)          Discovered 2009-Feb-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2012 XP49 = 2012 UF88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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