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43808 (1991 RF11)
Classification: Main-belt Asteroid          SPK-ID: 2043808
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2162730867660461 5.1319e-08  
a 2.441440453608963 1.7699e-08 AU
q 1.913422590551456 1.2911e-07 AU
i 4.605593623803522 9.2502e-06 deg
node 323.5263415204506 6.3696e-05 deg
peri 75.03364108376275 6.7704e-05 deg
M 318.8323148420869 2.4604e-05 deg
tp 2456959.838813215494
(2014-Oct-29.33881322)
9.6215e-05 JED
period 1393.373772111451
3.81
1.5152e-05
4.148e-08
d
yr
n .2583657071816943 2.8095e-09 deg/d
Q 2.969458316666469 2.1527e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      711  
   data-arc span      9756 days (26.71 yr)  
   first obs. used      1987-10-14  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5272  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 13:26:42  

Additional Information
 Earth MOID = .925797 AU 
 T_jup = 3.464 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO266162  

43808 (1991 RF11)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar (675)
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RF11 = 1995 WL2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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