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146734 (2001 XG55)
Classification: Main-belt Asteroid          SPK-ID: 2146734
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09587553765883382 4.6643e-08  
a 2.782102435693973 1.8171e-08 au
q 2.515366868849862 1.3551e-07 au
i 5.138373038606094 4.072e-06 deg
node 86.34888818518459 6.7284e-05 deg
peri 329.03564735832 7.2931e-05 deg
M 10.98555369666441 2.7631e-05 deg
tp 2458948.777732979679
(2020-Apr-09.27773298)
0.00013002 TDB
period 1694.954723399075
4.64
1.6606e-05
4.546e-08
d
yr
n .2123950539976981 2.0809e-09 deg/d
Q 3.048838002538084 1.9913e-08 au
  Orbit Determination Parameters
   # obs. used (total)      442  
   data-arc span      7553 days (20.68 yr)  
   first obs. used      1999-05-23  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:39:07  

Additional Information
 Earth MOID = 1.52891 au 
 Jupiter MOID = 2.2453 au 
 T_jup = 3.320 
[ 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 MPO453933  

146734 (2001 XG55)          Discovered 2001-Dec-10 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 XG55 = 2003 FH60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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