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146479 (2001 RQ117)
Classification: Main-belt Asteroid          SPK-ID: 2146479
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05154005861218899 4.7562e-08  
a 2.715188857307766 2.1003e-08 au
q 2.575247864458961 1.3704e-07 au
i 3.04284467915908 5.6004e-06 deg
node 1.909188199811601 8.7092e-05 deg
peri 74.15061458683263 0.0001041 deg
M 347.4237907219833 5.5771e-05 deg
tp 2459057.588120612742
(2020-Jul-27.08812061)
0.00025316 TDB
period 1634.174731531523
4.47
1.8961e-05
5.191e-08
d
yr
n .2202946802773126 2.556e-09 deg/d
Q 2.85512985015657 2.2085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      319  
   data-arc span      8493 days (23.25 yr)  
   first obs. used      1996-07-26  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55128  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:04:38  

Additional Information
 Earth MOID = 1.59233 au 
 Jupiter MOID = 2.26686 au 
 T_jup = 3.357 
[ 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 16.2   n/a MPO493833  

146479 (2001 RQ117)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 RQ117 = 2006 TR90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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