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295621 (2008 SO223)
Classification: Jupiter Trojan          SPK-ID: 2295621
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 .03873728232811065 1.2067e-07  
a 5.249097592440922 2.4266e-07 au
q 5.045761817034732 8.0558e-07 au
i 4.808941321192843 1.1315e-05 deg
node 292.9315516495444 0.0001404 deg
peri 101.4313615024015 0.0002226 deg
M 326.9980421451855 0.00017629 deg
tp 2459403.182357449568
(2021-Jul-07.68235745)
0.0021628 TDB
period 4392.637834385222
12.03
0.0003046
8.339e-07
d
yr
n .08195531103929135 5.6831e-09 deg/d
Q 5.452433367847112 2.5206e-07 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      7981 days (21.85 yr)  
   first obs. used      1997-11-23  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56286  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:01:44  

Additional Information
 Earth MOID = 4.05627 au 
 Jupiter MOID = .0372155 au 
 T_jup = 2.991 
[ 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 13.9   n/a MPO418564  

295621 (2008 SO223)          Discovered 2008-Sep-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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