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JPL Small-Body Database Browser
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66130 (1998 SM117)
Classification: Main-belt Asteroid          SPK-ID: 2066130
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1176474251268339 3.8887e-08  
a 3.095770404004913 2.4909e-08 au
q 2.731560987189877 1.1964e-07 au
i 16.07426408846783 7.0893e-06 deg
node 6.773428443780326 1.5892e-05 deg
peri 263.9202677344939 3.5251e-05 deg
M 87.07829185449887 3.0897e-05 deg
tp 2458519.263074691756
(2019-Feb-04.76307469)
0.00017078 TDB
period 1989.534813113325
5.45
2.4012e-05
6.574e-08
d
yr
n .1809468211499419 2.1839e-09 deg/d
Q 3.45997982081995 2.7839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1059  
   data-arc span      8646 days (23.67 yr)  
   first obs. used      1996-03-17  
   last obs. used      2019-11-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53995  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:58:18  

Additional Information
 Earth MOID = 1.77658 au 
 Jupiter MOID = 1.80226 au 
 T_jup = 3.153 
[ 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 13.6   n/a MPO432213  

66130 (1998 SM117)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SM117 = 2001 CR30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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