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134456 (1998 SH117)
Classification: Main-belt Asteroid          SPK-ID: 2134456
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2705376222225782 6.2445e-08  
a 2.59251636281233 9.309e-09 au
q 1.891143150443955 1.6088e-07 au
i 5.780057658067956 6.4502e-06 deg
node 228.298232708127 3.5115e-05 deg
peri 179.3207269956487 3.6898e-05 deg
M 48.58125647922649 7.0656e-06 deg
tp 2458794.746643687105
(2019-Nov-07.24664369)
3.0224e-05 TDB
period 1524.686960377722
4.17
8.2121e-06
2.248e-08
d
yr
n .2361140413444703 1.2717e-09 deg/d
Q 3.293889575180704 1.1827e-08 au
  Orbit Determination Parameters
   # obs. used (total)      774  
   data-arc span      7804 days (21.37 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45783  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:29:24  

Additional Information
 Earth MOID = .901134 au 
 Jupiter MOID = 2.10518 au 
 T_jup = 3.359 
[ 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 15.3   n/a MPO502849  

134456 (1998 SH117)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1998 SH117 = 2002 PJ117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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