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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2161859821430656 4.6932e-08  
a 2.441122509010915 1.21e-08 AU
q 1.913386041868846 1.1402e-07 AU
i 4.605645000859266 6.2972e-06 deg
node 323.5261136950839 6.2309e-05 deg
peri 75.05532316873061 6.4338e-05 deg
M 10.49351881778637 1.3684e-05 deg
tp 2456959.892950521330
(2014-Oct-29.39295052)
5.2979e-05 JED
period 1393.101595962544
3.81
1.0358e-05
2.836e-08
d
yr
n .2584161851822896 1.9213e-09 deg/d
Q 2.968858976152984 1.4716e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      939  
   data-arc span      10028 days (27.46 yr)  
   first obs. used      1987-10-14  
   last obs. used      2015-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50318  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 18:01:55  

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
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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