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JPL Small-Body Database Browser
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379972 (2012 SA1)
Classification: Jupiter Trojan          SPK-ID: 2379972
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .148563147956197 8.4279e-08  
a 5.284214312084343 2.6277e-07 au
q 4.499174799405903 4.8392e-07 au
i 15.88418853720011 7.4223e-06 deg
node 175.3601521992122 2.5285e-05 deg
peri 148.5518507390804 4.0745e-05 deg
M 228.9911934700133 4.3178e-05 deg
tp 2460215.107817545255
(2023-Sep-27.60781755)
0.00063494 TDB
period 4436.791920421374
12.15
0.00033094
9.061e-07
d
yr
n .08113970780171495 6.0523e-09 deg/d
Q 6.069253824762782 3.0181e-07 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      7125 days (19.51 yr)  
   first obs. used      1999-10-08  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58861  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:45:30  

Additional Information
 Earth MOID = 3.49898 au 
 Jupiter MOID = .330487 au 
 T_jup = 2.902 
[ 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 12.9   n/a MPO437556  

379972 (2012 SA1)          Discovered 1999-Oct-08 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20

Alternate Designations
 2012 SA1 = 1999 TO158 = 2010 GT12 = 2011 QR49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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