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305052 (2007 US42)
Classification: Main-belt Asteroid          SPK-ID: 2305052
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04451788706002757 4.7696e-08  
a 2.576149249758585 1.8131e-08 au
q 2.461464528408057 1.243e-07 au
i 8.389955886660278 5.0855e-06 deg
node 207.0956850661354 2.7889e-05 deg
peri 161.3011598640687 5.6231e-05 deg
M 148.289228188889 4.7277e-05 deg
tp 2458774.397335537886
(2019-Oct-17.89733554)
0.0001985 TDB
period 1510.27125801132
4.13
1.5944e-05
4.365e-08
d
yr
n .2383677753849578 2.5165e-09 deg/d
Q 2.690833971109112 1.8938e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      6816 days (18.66 yr)  
   first obs. used      2002-06-15  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56089  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:53:35  

Additional Information
 Earth MOID = 1.46195 au 
 Jupiter MOID = 2.49346 au 
 T_jup = 3.411 
[ 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 16.87   n/a MPCxxxxx  

305052 (2007 US42)          Discovered 2007-Oct-16 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2007 US42 = 2003 XG27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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