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118903 (2000 US72)
Classification: Main-belt Asteroid          SPK-ID: 2118903
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2300327885451164 5.9922e-08  
a 2.97114876443813 1.4071e-08 au
q 2.28768712897205 1.8442e-07 au
i 7.106596834469235 5.0014e-06 deg
node 338.6867091566898 2.5395e-05 deg
peri 27.96384031324343 2.678e-05 deg
M 7.762783322840496 6.5912e-06 deg
tp 2459160.163335186207
(2020-Nov-06.66333519)
3.4192e-05 TDB
period 1870.617628890877
5.12
1.3288e-05
3.638e-08
d
yr
n .1924498061174857 1.3671e-09 deg/d
Q 3.654610399904211 1.7308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1334  
   data-arc span      8740 days (23.93 yr)  
   first obs. used      1997-02-10  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44675  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:21:04  

Additional Information
 Earth MOID = 1.28722 au 
 Jupiter MOID = 1.83375 au 
 T_jup = 3.211 
[ 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 14.35   n/a E2021B55  
diameter diameter 6.835 km 0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.846 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.073   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118903 (2000 US72)          Discovered 2000-Oct-25 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 US72 = 2002 CN79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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