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281272 Arnaudleroy (2007 RC12)
Classification: Main-belt Asteroid          SPK-ID: 2281272
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2128041703409907 6.0857e-08  
a 2.749745034451923 2.3228e-08 au
q 2.164587823746123 1.7846e-07 au
i 6.91248838269666 8.2165e-06 deg
node 200.6827220303736 4.7173e-05 deg
peri 102.3828026616951 5.3017e-05 deg
M 317.8192456743158 1.996e-05 deg
tp 2459195.641171477011
(2020-Dec-12.14117148)
9.2239e-05 TDB
period 1665.470967856725
4.56
2.1103e-05
5.778e-08
d
yr
n .2161550738187167 2.7389e-09 deg/d
Q 3.334902245157723 2.8171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      8478 days (23.21 yr)  
   first obs. used      1997-05-02  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59086  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 20:52:47  

Additional Information
 Earth MOID = 1.1625 au 
 Jupiter MOID = 1.97522 au 
 T_jup = 3.303 
[ 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 16.6   n/a MPO248579  

281272 Arnaudleroy           Discovered 2007 Sept. 10 at the Pic du Midi Observatory.
Arnaud Leroy (b. 1974) is a French amateur astronomer at the Pic du Midi observatory, who directs the 0.6-m telescope at which this minor planet was discovered. He mainly works on minor planets and meteor streams. He is also the leader of the Uranoscope observatory, near Paris.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120406/MPCPages.arcLast Updated: 2012-04-09

[ show close-approach data ]
Alternate Designations
 2007 RC12 = 2006 FE25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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