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312458 (2008 QS42)
Classification: Jupiter Trojan          SPK-ID: 2312458
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05283317543350822 8.8336e-08  
a 5.257947936079646 2.3059e-07 au
q 4.980153850352498 6.367e-07 au
i 3.728945529366487 7.9592e-06 deg
node 229.1491813764419 0.0001448 deg
peri 195.3438474963911 0.00017496 deg
M 332.3802857244827 0.00010146 deg
tp 2459734.362140957503
(2022-Jun-03.86214096)
0.0012489 TDB
period 4403.751955266139
12.06
0.0002897
7.932e-07
d
yr
n .08174847349644687 5.3777e-09 deg/d
Q 5.535742021806795 2.4278e-07 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      4436 days (12.15 yr)  
   first obs. used      2008-08-24  
   last obs. used      2020-10-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63503  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:30:02  

Additional Information
 Earth MOID = 3.99334 au 
 Jupiter MOID = .0474038 au 
 T_jup = 2.993 
[ 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 MPO418615  

312458 (2008 QS42)          Discovered 2008-Aug-24 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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