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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2166693778379467 4.6969e-08  
a 2.442521106209487 1.2326e-08 au
q 1.913301577771024 1.1419e-07 au
i 4.603426947850461 6.2966e-06 deg
node 323.5212028780246 6.2342e-05 deg
peri 75.19565221165936 6.4351e-05 deg
M 113.6360149190428 1.3566e-05 deg
tp 2456960.381717976898
(2014-Oct-29.88171798)
5.2816e-05 JED
period 1394.298996151838
3.82
1.0554e-05
2.89e-08
d
yr
n .25819426177138 1.9544e-09 deg/d
Q 2.971740634647949 1.4997e-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 = .925632 au 
 Jupiter MOID = 2.48033 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 14.7 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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