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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05125790190816358 1.259e-07  
a 5.153674945945845 2.2987e-07 au
q 4.889508381099993 7.2917e-07 au
i 27.85655804342599 1.6372e-05 deg
node 20.12062529791274 1.6874e-05 deg
peri 317.2634338794772 0.00014676 deg
M 236.2500733698382 0.00015423 deg
tp 2460069.481785804316
(2023-May-04.98178580)
0.0018881 TDB
period 4273.40409235168
11.70
0.00028591
7.828e-07
d
yr
n .08424197483320371 5.6361e-09 deg/d
Q 5.417841510791697 2.4165e-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 = 3.92075 au 
 Jupiter MOID = .0108012 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 13.8   n/a MPO368584  

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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