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JPL Small-Body Database Browser
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379974 (2012 SH28)
Classification: Jupiter Trojan          SPK-ID: 2379974
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05172476966571469 1.2529e-07  
a 5.156368797665225 2.2758e-07 au
q 4.889656809294513 7.2936e-07 au
i 27.84831436926201 1.6373e-05 deg
node 20.11265180177577 1.6874e-05 deg
peri 316.5132329818986 0.00014672 deg
M 270.7700598450127 0.00015537 deg
tp 2460060.540566220975
(2023-Apr-26.04056622)
0.001886 TDB
period 4276.755124756427
11.71
0.00028314
7.752e-07
d
yr
n .08417596740952125 5.5727e-09 deg/d
Q 5.423080786035936 2.3935e-07 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      6800 days (18.62 yr)  
   first obs. used      2000-09-26  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66471  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:46:08  

Additional Information
 Earth MOID = 3.92297 au 
 Jupiter MOID = .00696522 au 
 T_jup = 2.767 
[ 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 13.7   n/a MPO471897  

379974 (2012 SH28)          Discovered 2007-Feb-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

Alternate Designations
 2012 SH28 = 2010 HG22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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