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392858 (2012 US74)
Classification: Main-belt Asteroid          SPK-ID: 2392858
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06676499566405927 7.2865e-08  
a 2.388893434840016 2.3825e-08 au
q 2.229398975021023 1.8032e-07 au
i 12.01308060330656 7.8133e-06 deg
node 210.5285668226159 3.2734e-05 deg
peri 178.2320824198727 6.3017e-05 deg
M 280.0351513567761 5.337e-05 deg
tp 2458900.064407006469
(2020-Feb-20.56440701)
0.00020073 TDB
period 1348.632409766555
3.69
2.0175e-05
5.524e-08
d
yr
n .2669370818860234 3.9933e-09 deg/d
Q 2.548387894659009 2.5416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      6522 days (17.86 yr)  
   first obs. used      2001-10-26  
   last obs. used      2019-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55701  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:17  

Additional Information
 Earth MOID = 1.2337 au 
 Jupiter MOID = 2.73396 au 
 T_jup = 3.501 
[ 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 17.4   n/a MPO450379  
diameter diameter 2.221 km 0.544 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392858 (2012 US74)          Discovered 2007-Apr-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2012 US74 = 2007 HF19 = 2008 RD26 = 2010 HS98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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