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79751 (1998 SM166)
Classification: Main-belt Asteroid          SPK-ID: 2079751
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1728521799437315 3.8478e-08  
a 2.329324100593028 9.923e-09 au
q 1.926695352010052 8.9565e-08 au
i 5.284911493515898 3.9111e-06 deg
node 74.47318152788937 5.2057e-05 deg
peri 213.0320674585536 5.4029e-05 deg
M 107.0131917115946 1.3114e-05 deg
tp 2458614.508159999698
(2019-May-11.00816000)
4.7738e-05 TDB
period 1298.504045880665
3.56
8.2975e-06
2.272e-08
d
yr
n .2772421088267327 1.7716e-09 deg/d
Q 2.731952849176005 1.1638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      856  
   data-arc span      10291 days (28.18 yr)  
   first obs. used      1991-11-02  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60044  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 12:31:04  

Additional Information
 Earth MOID = .912864 au 
 Jupiter MOID = 2.42697 au 
 T_jup = 3.546 
[ 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 15.7   n/a MPO502636  

79751 (1998 SM166)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 SM166 = 2002 XH102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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