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129120 (2004 XS120)
Classification: Main-belt Asteroid          SPK-ID: 2129120
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1073266425493438 4.3032e-08  
a 2.938859453880327 2.1115e-08 au
q 2.623441535770953 1.2883e-07 au
i 2.607938127365915 5.3226e-06 deg
node 58.13107165032964 8.6371e-05 deg
peri 325.9148169220393 8.9517e-05 deg
M 69.3463339543429 2.1844e-05 deg
tp 2458646.023328924034
(2019-Jun-11.52332892)
0.0001124 TDB
period 1840.206890696863
5.04
1.9832e-05
5.43e-08
d
yr
n .1956301771393066 2.1083e-09 deg/d
Q 3.2542773719897 2.3381e-08 au
  Orbit Determination Parameters
   # obs. used (total)      570  
   data-arc span      6892 days (18.87 yr)  
   first obs. used      2001-03-16  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56136  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:02:55  

Additional Information
 Earth MOID = 1.62757 au 
 Jupiter MOID = 2.19 au 
 T_jup = 3.263 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO453770  

129120 (2004 XS120)          Discovered 2004-Dec-14 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2004 XS120 = 2004 XL114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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