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362943 (2012 XR138)
Classification: Main-belt Asteroid          SPK-ID: 2362943
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07287787096928686 5.3272e-08  
a 2.576203581121782 1.816e-08 au
q 2.388455348946174 1.4216e-07 au
i 7.369006855790764 4.9953e-06 deg
node 150.7516038234392 4.1031e-05 deg
peri 31.90640096604307 5.1601e-05 deg
M 237.3455389104163 3.2628e-05 deg
tp 2459715.076020658192
(2022-May-15.57602066)
0.00013832 TDB
period 1510.3190360247
4.14
1.5969e-05
4.372e-08
d
yr
n .2383602347670552 2.5203e-09 deg/d
Q 2.763951813297389 1.9483e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      8740 days (23.93 yr)  
   first obs. used      1997-02-01  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54993  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:41:26  

Additional Information
 Earth MOID = 1.39487 au 
 Jupiter MOID = 2.19966 au 
 T_jup = 3.412 
[ 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 16.38   n/a MPCxxxxx  

362943 (2012 XR138)          Discovered 1997-Feb-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Alternate Designations
 2012 XR138 = 1997 CX7 = 2006 KM17 = 2010 GL171 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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