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117781 Jamesfisher (2005 GF115)
Classification: Main-belt Asteroid          SPK-ID: 2117781
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05907042368261324 4.7672e-08  
a 2.738414040411647 1.9954e-08 au
q 2.576654762826114 1.3223e-07 au
i 4.546756780873412 5.9739e-06 deg
node 215.7248635199382 6.5496e-05 deg
peri 22.13580002614332 8.305e-05 deg
M 97.14932578373384 5.2731e-05 deg
tp 2458553.832466647066
(2019-Mar-11.33246665)
0.00024104 TDB
period 1655.187112312206
4.53
1.8092e-05
4.953e-08
d
yr
n .2174980685398762 2.3773e-09 deg/d
Q 2.900173317997179 2.1133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      497  
   data-arc span      9898 days (27.10 yr)  
   first obs. used      1993-09-16  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57846  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:16:17  

Additional Information
 Earth MOID = 1.56543 au 
 Jupiter MOID = 2.08701 au 
 T_jup = 3.344 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO348192  

117781 Jamesfisher           Discovered 2005 Apr. 10 by Mt. Lemmon Survey at Mount Lemmon.
James Randall Fisher (b. 1942) is an author and Professor of English who earned a PhD at the University of Southern California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2013-10-18Last Updated: 2013-10-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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