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42847 (1999 RC43)
Classification: Main-belt Asteroid          SPK-ID: 2042847
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2587409984352905 4.5204e-08  
a 2.270620870461975 2.0902e-08 au
q 1.683118159370636 1.0062e-07 au
i 22.65520515381051 8.5284e-06 deg
node 6.230419473306091 1.2976e-05 deg
peri 262.6911529877722 3.0274e-05 deg
M 322.0172482387132 3.804e-05 deg
tp 2457532.355815560195
(2016-May-23.85581556)
0.00013358 JED
period 1249.727610574312
3.42
1.7256e-05
4.724e-08
d
yr
n .2880627722024658 3.9775e-09 deg/d
Q 2.858123581553315 2.631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      869  
   data-arc span      14531 days (39.78 yr)  
   first obs. used      1975-07-16  
   last obs. used      2015-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5117  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:30:23  

Additional Information
 Earth MOID = .826651 au 
 Jupiter MOID = 2.55866 au 
 T_jup = 3.469 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO272833  

42847 (1999 RC43)          Discovered 1999-Sep-11 by McNaught, R. H. at Siding Spring
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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