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101118 (1998 RJ53)
Classification: Main-belt Asteroid          SPK-ID: 2101118
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948887389629233 4.3933e-08  
a 2.427107241204502 1.1205e-08 au
q 1.954091371638377 1.1062e-07 au
i 1.677897929086123 3.768e-06 deg
node 291.0751568915126 0.00017466 deg
peri 42.64976847993133 0.00017497 deg
M 281.2197444054309 1.1476e-05 deg
tp 2459302.736395065440
(2021-Mar-29.23639507)
4.4754e-05 TDB
period 1381.121467585832
3.78
9.5645e-06
2.619e-08
d
yr
n .2606577397057419 1.8051e-09 deg/d
Q 2.900123110770627 1.3389e-08 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      7953 days (21.77 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .537  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:02:19  

Additional Information
 Earth MOID = .944326 au 
 Jupiter MOID = 2.46899 au 
 T_jup = 3.483 
[ 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 16.4   n/a MPO436471  

101118 (1998 RJ53)          Discovered 1998-Sep-14 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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