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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2593681081782309 4.6093e-08  
a 2.270701578393364 2.0644e-08 AU
q 1.681754005768155 1.0277e-07 AU
i 22.64433553235172 9.7871e-06 deg
node 6.264479997444145 1.3085e-05 deg
peri 262.6309351060099 3.1596e-05 deg
M 206.899500951474 3.7531e-05 deg
tp 2457532.011450633035
(2016-May-23.51145063)
0.0001362 JED
period 1249.794242455376
3.42
1.7044e-05
4.666e-08
d
yr
n .2880474143429683 3.9281e-09 deg/d
Q 2.859649151018574 2.5998e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      835  
   data-arc span      14411 days (39.46 yr)  
   first obs. used      1975-07-16  
   last obs. used      2014-12-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50516  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:59:12  

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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