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392997 (2012 XM118)
Classification: Outer Main-belt Asteroid          SPK-ID: 2392997
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05919219560191831 7.3308e-08  
a 3.240479344297874 5.7343e-08 au
q 3.048668257106218 2.4832e-07 au
i 11.76643247943267 6.9031e-06 deg
node 73.59884264827947 3.5934e-05 deg
peri 35.22149783281986 8.9602e-05 deg
M 26.92683498096022 7.7415e-05 deg
tp 2458441.134202219881
(2018-Nov-18.63420222)
0.00045879 TDB
period 2130.650974814152
5.83
5.6556e-05
1.548e-07
d
yr
n .1689624458700474 4.4849e-09 deg/d
Q 3.43229043148953 6.0737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      6667 days (18.25 yr)  
   first obs. used      2000-12-29  
   last obs. used      2019-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48426  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:57:32  

Additional Information
 Earth MOID = 2.07366 au 
 Jupiter MOID = 1.79307 au 
 T_jup = 3.148 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457647.5 (2016-Sep-16.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05991329913817474 7.3418e-08  
q 3.047246653186888 2.4868e-07 au
tp 2458442.022255261336
(2018-Nov-19.52225526)
0.0004525 TDB
node 73.61063656096076 3.5941e-05 deg
peri 35.42543601478446 8.8588e-05 deg
i 11.76478764023848 6.902e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      6667 days (18.25 yr)  
   first obs. used      2000-12-29  
   last obs. used      2019-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48426  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:57:32  

Additional Information
 Jupiter MOID = 1.79307 au 
 T_jup = 3.148 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.390227720268914E-15 -1.782893624771031E-14 1.289973294247648E-11 2.566865423922953E-14 2.493517537218985E-12 -1.775631520460848E-15
q -1.782893624771031E-14 6.184332030789548E-14 -4.53609373922022E-11 -9.185057471911579E-14 -8.911239451550256E-12 7.441499398550257E-15
tp 1.289973294247648E-11 -4.53609373922022E-11 2.047592823846979E-7 3.40747450774404E-10 3.666526901475714E-8 4.819525014518654E-11
node 2.566865423922953E-14 -9.185057471911579E-14 3.40747450774404E-10 1.291782194296983E-9 -1.202428528328814E-9 -1.069093307089582E-11
peri 2.493517537218985E-12 -8.911239451550256E-12 3.666526901475714E-8 -1.202428528328814E-9 7.847903001885246E-9 1.887693001374704E-11
i -1.775631520460848E-15 7.441499398550257E-15 4.819525014518654E-11 -1.069093307089582E-11 1.887693001374704E-11 4.763708522035651E-11

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 15.9   n/a MPO386574  

392997 (2012 XM118)          Discovered 2006-Nov-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

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