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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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2162731406703864 5.3105e-08  
a 2.441440442101795 1.8637e-08 AU
q 1.913422449928743 1.3394e-07 AU
i 4.605592285291382 9.8781e-06 deg
node 323.5263761996633 6.6112e-05 deg
peri 75.03360749219252 7.0789e-05 deg
M 318.8323233478364 2.7111e-05 deg
tp 2456959.838779167628
(2014-Oct-29.33877917)
0.000106 JED
period 1393.373762260431
3.81
1.5955e-05
4.368e-08
d
yr
n .2583657090083153 2.9584e-09 deg/d
Q 2.969458434274847 2.2668e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      707  
   data-arc span      9391 days (25.71 yr)  
   first obs. used      1987-10-14  
   last obs. used      2013-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .554  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-06 02:50:02  

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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