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JPL Small-Body Database Browser
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312620 (2009 SA252)
Classification: Jupiter Trojan          SPK-ID: 2312620
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09649611543379591 9.0465e-08  
a 5.32110566663054 2.7702e-07 au
q 4.807639639987935 5.9756e-07 au
i 6.161700043142536 1.0409e-05 deg
node 262.4018242391639 0.00011005 deg
peri 172.7926083087689 0.00013858 deg
M 240.6697703694826 9.0002e-05 deg
tp 2460086.604082748515
(2023-May-22.10408275)
0.0012092 TDB
period 4483.335626236369
12.27
0.0003501
9.585e-07
d
yr
n .08029735670318522 6.2704e-09 deg/d
Q 5.834571693273147 3.0375e-07 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      8357 days (22.88 yr)  
   first obs. used      1996-10-16  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60549  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:08  

Additional Information
 Earth MOID = 3.82276 au 
 Jupiter MOID = .295085 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 14.2   n/a MPO294623  

312620 (2009 SA252)          Discovered 2009-Sep-21 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2009 SA252 = 1996 UL3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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