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JPL Small-Body Database Browser
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312472 (2008 SX216)
Classification: Jupiter Trojan          SPK-ID: 2312472
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05584116435062843 1.0403e-07  
a 5.23682655052025 3.2317e-07 au
q 4.944396058436913 5.1534e-07 au
i 7.726256276562327 1.0957e-05 deg
node 288.8314080218046 7.1834e-05 deg
peri 174.8272042401896 0.00014662 deg
M 232.0022149039918 0.00013889 deg
tp 2460156.826331766534
(2023-Jul-31.32633177)
0.0018017 TDB
period 4377.243551641936
11.98
0.00040519
1.109e-06
d
yr
n .08224353882821103 7.6131e-09 deg/d
Q 5.529257042603586 3.4122e-07 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      7977 days (21.84 yr)  
   first obs. used      1996-10-08  
   last obs. used      2018-08-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55525  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:15:01  

Additional Information
 Earth MOID = 3.96152 au 
 Jupiter MOID = .258449 au 
 T_jup = 2.979 
[ 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 MPO455303  

312472 (2008 SX216)          Discovered 2008-Sep-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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