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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06691865325839767 6.6597e-08  
a 2.388903516960049 2.295e-08 au
q 2.229041310840833 1.683e-07 au
i 12.01255524665694 7.1863e-06 deg
node 210.5253980424521 2.9555e-05 deg
peri 178.3946321347186 6.0503e-05 deg
M 26.67464472322027 5.1595e-05 deg
tp 2458900.570782965004
(2020-Feb-21.07078297)
0.00019309 TDB
period 1348.640947456842
3.69
1.9435e-05
5.321e-08
d
yr
n .2669353920173186 3.8467e-09 deg/d
Q 2.548765723079265 2.4486e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      6594 days (18.05 yr)  
   first obs. used      2001-10-26  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58095  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 21:27:33  

Additional Information
 Earth MOID = 1.23407 au 
 Jupiter MOID = 2.73321 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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