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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2161859725858942 4.7635e-08  
a 2.441122511842814 1.2343e-08 AU
q 1.913386067418754 1.1608e-07 AU
i 4.605643013174991 6.754e-06 deg
node 323.5261016619659 6.3316e-05 deg
peri 75.05533823780506 6.5391e-05 deg
M 10.49351445366428 1.4279e-05 deg
tp 2456959.892967338628
(2014-Oct-29.39296734)
5.5262e-05 JED
period 1393.10159838671
3.81
1.0566e-05
2.893e-08
d
yr
n .2584161847326141 1.9599e-09 deg/d
Q 2.968858956266875 1.5011e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      783  
   data-arc span      9919 days (27.16 yr)  
   first obs. used      1987-10-14  
   last obs. used      2014-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5248  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 04:02:12  

Additional Information
 Earth MOID = .926745 AU 
 T_jup = 3.465 
[ 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 14.7 mag n/a MPO313750  

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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