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129035 (2004 US2)
Classification: Main-belt Asteroid          SPK-ID: 2129035
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05767817488929385 5.0127e-08  
a 2.63156541265006 1.863e-08 au
q 2.479781522546613 1.3838e-07 au
i 9.669713148016967 4.6109e-06 deg
node 126.1177283365756 3.6466e-05 deg
peri 234.9871708745167 6.194e-05 deg
M 254.2815487161877 5.0318e-05 deg
tp 2459458.397184341866
(2021-Aug-31.89718434)
0.00021782 TDB
period 1559.264105378668
4.27
1.6558e-05
4.533e-08
d
yr
n .2308781422968586 2.4518e-09 deg/d
Q 2.783349302753507 1.9705e-08 au
  Orbit Determination Parameters
   # obs. used (total)      493  
   data-arc span      7136 days (19.54 yr)  
   first obs. used      2000-11-26  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54674  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:16:19  

Additional Information
 Earth MOID = 1.48734 au 
 Jupiter MOID = 2.51232 au 
 T_jup = 3.377 
[ 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 15.7   n/a MPO436624  
diameter diameter 4.915 km 0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129035 (2004 US2)          Discovered 2004-Oct-18 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2004 US2 = 2002 CC305 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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