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115630 (2003 US122)
Classification: Main-belt Asteroid          SPK-ID: 2115630
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2390092014146832 3.9056e-08  
a 3.172239886215315 1.9609e-08 au
q 2.414045364315187 1.2219e-07 au
i 17.0099524596646 4.2892e-06 deg
node 118.9409642843369 1.5182e-05 deg
peri 264.418371322601 1.8632e-05 deg
M 26.71195628733162 8.8113e-06 deg
tp 2459047.373395070864
(2020-Jul-16.87339507)
5.073e-05 TDB
period 2063.704252190348
5.65
1.9135e-05
5.239e-08
d
yr
n .1744436004422183 1.6175e-09 deg/d
Q 3.930434408115443 2.4296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1099  
   data-arc span      8099 days (22.17 yr)  
   first obs. used      1998-12-22  
   last obs. used      2021-02-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4841  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:44:27  

Additional Information
 Earth MOID = 1.48694 au 
 Jupiter MOID = 1.9435 au 
 T_jup = 3.090 
[ 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 14.36   n/a MPCxxxxx  

115630 (2003 US122)          Discovered 2003-Oct-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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