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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1120774991387667 6.1838e-08  
a 2.692574693435337 1.397e-08 au
q 2.390797655550773 1.667e-07 au
i 11.68891131246909 5.9215e-06 deg
node 27.94731126112601 2.3053e-05 deg
peri 168.7679345143635 3e-05 deg
M 320.3457688746259 2.0255e-05 deg
tp 2459378.261251503596
(2021-Jun-12.76125150)
9.1065e-05 TDB
period 1613.801320191172
4.42
1.256e-05
3.439e-08
d
yr
n .2230757872706129 1.7361e-09 deg/d
Q 2.994351731319901 1.5536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      891  
   data-arc span      8028 days (21.98 yr)  
   first obs. used      1999-03-23  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58522  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:33  

Additional Information
 Earth MOID = 1.38874 au 
 Jupiter MOID = 1.96087 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 14.91   n/a E2021B55  

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