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115712 (2003 US172)
Classification: Main-belt Asteroid          SPK-ID: 2115712
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .149720722026607 3.1326e-08  
a 3.043867203687994 1.9888e-08 au
q 2.588137208198718 9.7982e-08 au
i 12.50841588710803 4.471e-06 deg
node 183.2041462260836 1.6736e-05 deg
peri 271.3780903105483 2.4168e-05 deg
M 39.48773450446694 1.5616e-05 deg
tp 2458987.736710554545
(2020-May-18.23671055)
8.3945e-05 TDB
period 1939.710777575735
5.31
1.901e-05
5.205e-08
d
yr
n .1855946794552179 1.8189e-09 deg/d
Q 3.49959719917727 2.2865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      645  
   data-arc span      7681 days (21.03 yr)  
   first obs. used      2000-03-11  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50851  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:56:56  

Additional Information
 Earth MOID = 1.64186 au 
 Jupiter MOID = 1.84261 au 
 T_jup = 3.186 
[ 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 15.38   n/a MPCxxxxx  
diameter diameter 2.736 km 0.363 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.196   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115712 (2003 US172)          Discovered 2003-Oct-20 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 US172 = 2000 GB14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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