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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2593681084069105 4.5456e-08  
a 2.270701578296821 2.063e-08 AU
q 1.681754005177388 1.013e-07 AU
i 22.64433808201352 8.7146e-06 deg
node 6.264481088461433 1.3017e-05 deg
peri 262.6309316629325 3.0393e-05 deg
M 206.8995031870751 3.6749e-05 deg
tp 2457532.011442837912
(2016-May-23.51144284)
0.0001336 JED
period 1249.794242375671
3.42
1.7032e-05
4.663e-08
d
yr
n .2880474143613385 3.9255e-09 deg/d
Q 2.859649151416254 2.5981e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      863  
   data-arc span      14503 days (39.71 yr)  
   first obs. used      1975-07-16  
   last obs. used      2015-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51131  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:59:51  

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
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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