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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2128041660729094 6.1666e-08  
a 2.749745030508704 2.4957e-08 au
q 2.164587832378173 1.796e-07 au
i 6.912489522557894 9.967e-06 deg
node 200.6827193833422 5.0026e-05 deg
peri 102.382803277694 5.5578e-05 deg
M 317.8192491534444 2.1611e-05 deg
tp 2459195.641154961732
(2020-Dec-12.14115496)
0.00010026 TDB
period 1665.47096427422
4.56
2.2674e-05
6.208e-08
d
yr
n .2161550742836763 2.9427e-09 deg/d
Q 3.334902228639236 3.0268e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      8397 days (22.99 yr)  
   first obs. used      1997-05-02  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61611  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 16:50:52  

Additional Information
 Earth MOID = 1.1625 au 
 Jupiter MOID = 1.97522 au 
 T_jup = 3.303 
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Orbital Elements at Epoch 2457256.5 (2015-Aug-22.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2115716784605149 6.1717e-08  
q 2.168222526104713 1.796e-07 au
tp 2457530.208840823661
(2016-May-21.70884082)
0.00010095 TDB
node 200.7002773567842 5.0015e-05 deg
peri 102.4323336323205 5.5634e-05 deg
i 6.912030940786107 9.9669e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      8397 days (22.99 yr)  
   first obs. used      1997-05-02  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61611  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 16:50:52  

Additional Information
 Jupiter MOID = 1.97522 au 
 T_jup = 3.303 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.808947306305032E-15 -1.103123041700988E-14 6.354982095590019E-13 -1.902516521822286E-15 3.419085460855751E-13 -8.883274659098212E-15
q -1.103123041700988E-14 3.225643395504375E-14 -1.965610754312673E-12 1.257876862902655E-14 -1.046619285135089E-12 3.079640808438223E-14
tp 6.354982095590019E-13 -1.965610754312673E-12 1.019068992546661E-8 2.550042170360119E-12 2.464127287751685E-9 -7.705476894923794E-12
node -1.902516521822286E-15 1.257876862902655E-14 2.550042170360119E-12 2.501487514227081E-9 -2.48130001226079E-9 9.677927137588911E-11
peri 3.419085460855751E-13 -1.046619285135089E-12 2.464127287751685E-9 -2.48130001226079E-9 3.095099732060554E-9 -9.765288695048238E-11
i -8.883274659098212E-15 3.079640808438223E-14 -7.705476894923794E-12 9.677927137588911E-11 -9.765288695048238E-11 9.933827746800735E-11

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

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