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JPL Small-Body Database Browser
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173767 (2001 RC138)
Classification: Main-belt Asteroid          SPK-ID: 2173767
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09067669107095225 3.9062e-08  
a 3.003529525601566 3.1659e-08 au
q 2.731179406686109 1.2496e-07 au
i 10.52884041375667 5.2896e-06 deg
node 157.4552781486401 2.4586e-05 deg
peri 275.7507337857224 4.073e-05 deg
M 65.13812947589854 3.0318e-05 deg
tp 2458256.483662813034
(2018-May-17.98366281)
0.00016138 TDB
period 1901.280899279297
5.21
3.0061e-05
8.23e-08
d
yr
n .1893460351579097 2.9937e-09 deg/d
Q 3.275879644517023 3.453e-08 au
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      7311 days (20.02 yr)  
   first obs. used      1999-03-20  
   last obs. used      2019-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55208  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:09:58  

Additional Information
 Earth MOID = 1.77142 au 
 Jupiter MOID = 1.97587 au 
 T_jup = 3.220 
[ 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 15.3   n/a MPO436862  

173767 (2001 RC138)          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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