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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .270632969958635 6.201e-08  
a 2.592313018929988 9.0466e-09 au
q 1.89074764755453 1.5956e-07 au
i 5.78020978185525 5.9715e-06 deg
node 228.2899374880597 3.4294e-05 deg
peri 179.305390751632 3.5762e-05 deg
M 95.81931079706806 6.4227e-06 deg
tp 2458794.729817511908
(2019-Nov-07.22981751)
2.7578e-05 TDB
period 1524.507580784885
4.17
7.9803e-06
2.185e-08
d
yr
n .2361418234566311 1.2361e-09 deg/d
Q 3.293878390305446 1.1495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      803  
   data-arc span      8213 days (22.49 yr)  
   first obs. used      1998-09-19  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46497  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:08:27  

Additional Information
 Earth MOID = .899853 au 
 Jupiter MOID = 2.10628 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 15.38   n/a E2021B55  

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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