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187640 (2007 CF31)
Classification: Main-belt Asteroid          SPK-ID: 2187640
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2486613922287172 5.293e-08  
a 2.570840321736535 2.0279e-08 au
q 1.931571588135805 1.3588e-07 au
i 6.337301326807673 5.689e-06 deg
node 137.9716698766786 5.0751e-05 deg
peri 180.5193555724817 5.191e-05 deg
M 306.6184221067998 1.2746e-05 deg
tp 2459423.754379618164
(2021-Jul-28.25437962)
5.4176e-05 TDB
period 1505.60511387163
4.12
1.7815e-05
4.877e-08
d
yr
n .2391065204834939 2.8292e-09 deg/d
Q 3.210109055337265 2.5322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      5824 days (15.95 yr)  
   first obs. used      2004-05-12  
   last obs. used      2020-04-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57361  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:14  

Additional Information
 Earth MOID = .916438 au 
 Jupiter MOID = 2.11386 au 
 T_jup = 3.377 
[ 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 16.38   n/a E2021B55  

187640 (2007 CF31)          Discovered 2007-Feb-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2007 CF31 = 2005 WX192 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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