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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2161859610603886 4.9471e-08  
a 2.441122518313429 1.4759e-08 AU
q 1.913386100625684 1.2243e-07 AU
i 4.605640459554817 8.5738e-06 deg
node 323.526097382604 6.3463e-05 deg
peri 75.05535037099334 6.6373e-05 deg
M 10.49350378231158 1.9466e-05 deg
tp 2456959.893008472393
(2014-Oct-29.39300847)
7.5197e-05 JED
period 1393.101603925692
3.81
1.2634e-05
3.459e-08
d
yr
n .2584161837051494 2.3436e-09 deg/d
Q 2.968858936001174 1.795e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      732  
   data-arc span      9851 days (26.97 yr)  
   first obs. used      1987-10-14  
   last obs. used      2014-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53016  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 15:31:12  

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 14.6 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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