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101117 (1998 RA53)
Classification: Main-belt Asteroid          SPK-ID: 2101117
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2176441492665321 4.694e-08  
a 2.599877014396713 1.1075e-08 au
q 2.034028993400729 1.2378e-07 au
i 5.10203573272497 4.672e-06 deg
node 167.1529478302239 4.897e-05 deg
peri 216.8560940972092 4.9953e-05 deg
M 92.81807911079471 8.16e-06 deg
tp 2458805.717667108682
(2019-Nov-18.21766711)
3.4608e-05 TDB
period 1531.184885556911
4.19
9.7838e-06
2.679e-08
d
yr
n .2351120386543415 1.5023e-09 deg/d
Q 3.165725035392698 1.3485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      9623 days (26.35 yr)  
   first obs. used      1994-10-31  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58069  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:17  

Additional Information
 Earth MOID = 1.03875 au 
 Jupiter MOID = 2.29561 au 
 T_jup = 3.376 
[ 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 16.3   n/a MPO449612  

101117 (1998 RA53)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 RA53 = 2002 PL29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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