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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2593681066395428 4.5673e-08  
a 2.270701578007974 2.064e-08 AU
q 1.681754008976623 1.018e-07 AU
i 22.64433879289133 9.0278e-06 deg
node 6.264480615597403 1.3059e-05 deg
peri 262.6309350883196 3.0725e-05 deg
M 206.8995007468338 3.6955e-05 deg
tp 2457532.011451208160
(2016-May-23.51145121)
0.00013429 JED
period 1249.794242137198
3.42
1.704e-05
4.665e-08
d
yr
n .2880474144163007 3.9274e-09 deg/d
Q 2.859649147039324 2.5993e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      851  
   data-arc span      14442 days (39.54 yr)  
   first obs. used      1975-07-16  
   last obs. used      2015-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51124  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 14:51:13  

Additional Information
 Earth MOID = .827016 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 (413)
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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