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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2173101150443134 4.6835e-08  
a 2.441463332637139 1.1205e-08 au
q 1.91090865494529 1.1356e-07 au
i 4.600912355412402 5.8214e-06 deg
node 323.4872765193613 5.9316e-05 deg
peri 75.21496403107253 6.0579e-05 deg
M 165.2663684707228 1.1986e-05 deg
tp 2456960.830388366659
(2014-Oct-30.33038837)
4.5824e-05 JED
period 1393.393358363758
3.81
9.5923e-06
2.626e-08
d
yr
n .258362075460689 1.7786e-09 deg/d
Q 2.972018010328989 1.364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1057  
   data-arc span      10406 days (28.49 yr)  
   first obs. used      1987-10-14  
   last obs. used      2016-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50748  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 14:22:46  

Additional Information
 Earth MOID = .923135 au 
 Jupiter MOID = 2.47874 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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