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JPL Small-Body Database Browser
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312899 (2011 US296)
Classification: Main-belt Asteroid          SPK-ID: 2312899
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1724876904586027 8.8943e-08  
a 3.048670592776181 5.3711e-08 au
q 2.522812443259159 2.7001e-07 au
i 19.1758490705018 1.0335e-05 deg
node 48.10039513254664 2.711e-05 deg
peri 240.6282807274863 6.0034e-05 deg
M 242.037831726032 6.3632e-05 deg
tp 2459237.595335329302
(2021-Jan-23.09533533)
0.00035208 TDB
period 1944.304043190116
5.32
5.1381e-05
1.407e-07
d
yr
n .1851562265998944 4.8931e-09 deg/d
Q 3.574528742293205 6.2975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      5818 days (15.93 yr)  
   first obs. used      2003-03-07  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67592  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:29:25  

Additional Information
 Earth MOID = 1.56549 au 
 Jupiter MOID = 1.72057 au 
 T_jup = 3.131 
[ 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 15.8   n/a MPO215929  
diameter diameter 4.810 km 0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

312899 (2011 US296)          Discovered 2004-Apr-22 by LINEAR at Socorro
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 US296 = 2004 HL47 = 2010 HT41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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