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JPL Small-Body Database Browser
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312619 (2009 SS246)
Classification: Jupiter Trojan          SPK-ID: 2312619
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1368612779240036 6.88e-08  
a 5.244899145461042 2.6152e-07 au
q 4.527075545830729 4.8078e-07 au
i 14.38116545733231 8.5022e-06 deg
node 178.3938009519098 2.313e-05 deg
peri 258.7934985089759 4.87e-05 deg
M 243.9322042786757 5.159e-05 deg
tp 2460015.033949184909
(2023-Mar-11.53394918)
0.0007112 TDB
period 4387.368766175419
12.01
0.00032815
8.984e-07
d
yr
n .08205373634772468 6.1371e-09 deg/d
Q 5.962722745091353 2.9732e-07 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      6840 days (18.73 yr)  
   first obs. used      2000-11-30  
   last obs. used      2019-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63312  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:08  

Additional Information
 Earth MOID = 3.5795 au 
 Jupiter MOID = .00379878 au 
 T_jup = 2.919 
[ 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 13.6   n/a MPO413278  

312619 (2009 SS246)          Discovered 2000-Nov-30 by Sloan Digital Sky Survey at Apache Point
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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