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118612 (2000 GU143)
Classification: Main-belt Asteroid          SPK-ID: 2118612
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1219312500746631 4.2028e-08  
a 2.378053211289755 1.0088e-08 au
q 2.088094210493128 9.8201e-08 au
i 7.233395396233153 5.7865e-06 deg
node 137.4245110917168 3.0434e-05 deg
peri 144.6310881961008 3.8803e-05 deg
M 113.0645431894457 2.263e-05 deg
tp 2458579.817243687881
(2019-Apr-06.31724369)
8.4657e-05 TDB
period 1339.463177404849
3.67
8.523e-06
2.333e-08
d
yr
n .2687643871610448 1.7101e-09 deg/d
Q 2.668012212086381 1.1318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      768  
   data-arc span      7172 days (19.64 yr)  
   first obs. used      2000-04-07  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55645  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:53:26  

Additional Information
 Earth MOID = 1.07646 au 
 Jupiter MOID = 2.47593 au 
 T_jup = 3.519 
[ 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 15.7   n/a MPO436570  
rotation period rot_per 8.909 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

118612 (2000 GU143)          Discovered 2000-Apr-07 by LONEOS at Anderson Mesa
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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