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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2587375457820506 4.4866e-08  
a 2.270547100978842 1.8566e-08 au
q 1.683071316489027 1.0049e-07 au
i 22.65539984938633 8.4458e-06 deg
node 6.229953571197345 1.2963e-05 deg
peri 262.7117048343627 2.7788e-05 deg
M 19.61919142304485 3.4259e-05 deg
tp 2457532.395971220930
(2016-May-23.89597122)
0.00011826 JED
period 1249.66670806151
3.42
1.5328e-05
4.197e-08
d
yr
n .2880768109430026 3.5334e-09 deg/d
Q 2.858022885468658 2.337e-08 au
  Orbit Determination Parameters
   # obs. used (total)      884  
   data-arc span      14888 days (40.76 yr)  
   first obs. used      1975-07-16  
   last obs. used      2016-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51234  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 14:21:01  

Additional Information
 Earth MOID = .827192 au 
 Jupiter MOID = 2.55971 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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