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100116 (1993 KG1)
Classification: Main-belt Asteroid          SPK-ID: 2100116
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .176229704647873 6.3425e-08  
a 2.513966813260527 8.7161e-09 au
q 2.07093118426507 1.5811e-07 au
i 9.209482466476015 5.8933e-06 deg
node 205.5092900030261 1.8996e-05 deg
peri 167.9727622329396 2.1496e-05 deg
M 152.5527824158026 9.0937e-06 deg
tp 2458383.542327206812
(2018-Sep-22.04232721)
3.569e-05 TDB
period 1455.920755349923
3.99
7.5717e-06
2.073e-08
d
yr
n .2472662050301467 1.2859e-09 deg/d
Q 2.957002442255984 1.0252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      929  
   data-arc span      9829 days (26.91 yr)  
   first obs. used      1993-05-21  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52695  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:50:01  

Additional Information
 Earth MOID = 1.073 au 
 Jupiter MOID = 2.51233 au 
 T_jup = 3.421 
[ 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 15.8   n/a MPO469006  
diameter diameter 2.093 km 0.447 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 28.43 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.212   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100116 (1993 KG1)          Discovered 1993-May-21 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1993 KG1 = 1997 JM = 1998 SN87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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