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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .230328412715768 6.0749e-08  
a 2.972410314371125 1.893e-08 au
q 2.287779764722047 1.8768e-07 au
i 7.105640646887691 5.1472e-06 deg
node 338.6871211874076 3.2536e-05 deg
peri 27.91596600710233 3.3576e-05 deg
M 329.3229086236801 8.2442e-06 deg
tp 2459160.004612197488
(2020-Nov-06.50461220)
4.3653e-05 TDB
period 1871.809151874821
5.12
1.7882e-05
4.896e-08
d
yr
n .1923272998421986 1.8373e-09 deg/d
Q 3.657040864020203 2.3291e-08 au
  Orbit Determination Parameters
   # obs. used (total)      933  
   data-arc span      8572 days (23.47 yr)  
   first obs. used      1997-02-10  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48342  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:04:21  

Additional Information
 Earth MOID = 1.28885 au 
 Jupiter MOID = 1.83031 au 
 T_jup = 3.210 
[ 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 14.3   n/a MPO348197  
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. 2019-August); 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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