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173765 (2001 RA135)
Classification: Main-belt Asteroid          SPK-ID: 2173765
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726328864064549 6.3887e-08  
a 3.047235137753174 2.1705e-08 au
q 2.521182140363673 1.9543e-07 au
i 12.26675951198706 6.8202e-06 deg
node 24.99803639569405 2.1493e-05 deg
peri 334.5116478573914 2.4853e-05 deg
M 181.5827371540248 1.3678e-05 deg
tp 2459963.423420473301
(2023-Jan-18.92342047)
7.8825e-05 TDB
period 1942.931002532238
5.32
2.0759e-05
5.684e-08
d
yr
n .1852870737719502 1.9797e-09 deg/d
Q 3.573288135142676 2.5452e-08 au
  Orbit Determination Parameters
   # obs. used (total)      529  
   data-arc span      7701 days (21.08 yr)  
   first obs. used      1999-03-22  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58837  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:29:54  

Additional Information
 Earth MOID = 1.52503 au 
 Jupiter MOID = 1.90366 au 
 T_jup = 3.181 
[ 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 15.0   n/a MPO338380  

173765 (2001 RA135)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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