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30915 (1993 GF1)
Classification: Main-belt Asteroid          SPK-ID: 2030915
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07769022518003589 5.7356e-08  
a 3.034683303930908 3.518e-08 AU
q 2.79891807469842 1.8771e-07 AU
i 12.02947465749952 6.7544e-06 deg
node 37.1807671054687 2.677e-05 deg
peri 241.8468161858393 5.2088e-05 deg
M 326.3219332642695 4.6975e-05 deg
tp 2457181.139674597689
(2015-Jun-07.63967460)
0.0002525 JED
period 1930.938713479504
5.29
3.3577e-05
9.193e-08
d
yr
n .1864378177758365 3.242e-09 deg/d
Q 3.270448533163396 3.7913e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1092  
   data-arc span      8134 days (22.27 yr)  
   first obs. used      1993-04-15  
   last obs. used      2015-07-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4872  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 15:18:31  

Additional Information
 Earth MOID = 1.80876 AU 
 T_jup = 3.204 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1 mag n/a MPO309393  

30915 (1993 GF1)          Discovered 1993-Apr-15 by Holt, H. E. at Palomar
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 GF1 = 1998 HD128 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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