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101777 Robhoskins (1999 GF4)
Classification: Main-belt Asteroid          SPK-ID: 2101777
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1121941114723465 6.2197e-08  
a 2.692639683213453 1.8677e-08 au
q 2.390541366440139 1.6702e-07 au
i 11.68883597066375 6.3222e-06 deg
node 27.95542917708239 2.3987e-05 deg
peri 168.7747921114753 3.3716e-05 deg
M 275.7300501424525 2.7707e-05 deg
tp 2459378.277444610218
(2021-Jun-12.77744461)
0.00012641 TDB
period 1613.859748220769
4.42
1.6791e-05
4.597e-08
d
yr
n .2230677110553683 2.3209e-09 deg/d
Q 2.994737999986767 2.0772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      773  
   data-arc span      7877 days (21.57 yr)  
   first obs. used      1999-03-23  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6127  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:34  

Additional Information
 Earth MOID = 1.38925 au 
 Jupiter MOID = 1.96159 au 
 T_jup = 3.332 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO502728  

101777 Robhoskins           Discovered 1999 Apr. 13 by W. R. Cooney Jr. and M. Howard at Baton Rouge.
Robert Edward "Rob" Hoskins (1965-2016) was a recognized and lauded American attorney who specialized in protecting the rights of retired workers, and successfully argued before the United States Supreme Court.
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 2016-11-14Last Updated: 2016-11-20

[ show close-approach data ]
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