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118366 (1999 GK)
Classification: Main-belt Asteroid          SPK-ID: 2118366
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08363415381305829 7.5651e-08  
a 2.550206026543205 1.3059e-08 au
q 2.336921703464302 1.9591e-07 au
i 13.22651770525077 5.8793e-06 deg
node 184.3716608166285 1.9173e-05 deg
peri 332.2138471811597 3.296e-05 deg
M 94.36755393707702 2.5391e-05 deg
tp 2458610.574600571040
(2019-May-07.07460057)
0.00010437 TDB
period 1487.514913102702
4.07
1.1426e-05
3.128e-08
d
yr
n .2420143803796236 1.859e-09 deg/d
Q 2.763490349622107 1.4152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      21346 days (58.44 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59917  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:35:11  

Additional Information
 Earth MOID = 1.35096 au 
 Jupiter MOID = 2.22212 au 
 T_jup = 3.399 
[ 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 15.5   n/a MPO268038  
rotation period rot_per 2.78 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

118366 (1999 GK)          Discovered 1999-Apr-05 by Toth, J., Kalmancok, D. at Modra
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1999 GK = 2003 EZ33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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