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312621 (2009 SZ269)
Classification: Jupiter Trojan          SPK-ID: 2312621
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07864206218518269 1.1961e-07  
a 5.108027366048224 3.3078e-07 au
q 4.706321560283844 8.6545e-07 au
i 8.625489136220502 9.305e-06 deg
node 31.91461075618499 6.0133e-05 deg
peri 24.66550993378709 0.00011488 deg
M 298.6680812562158 0.00011267 deg
tp 2459718.893345335808
(2022-May-19.39334534)
0.0013784 TDB
period 4216.753847230675
11.54
0.0004096
1.121e-06
d
yr
n .08537372894944474 8.2928e-09 deg/d
Q 5.509733171812603 3.5679e-07 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      7583 days (20.76 yr)  
   first obs. used      1998-11-17  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62073  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:08  

Additional Information
 Earth MOID = 3.72014 au 
 Jupiter MOID = .0223869 au 
 T_jup = 2.972 
[ 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 MPO494657  

312621 (2009 SZ269)          Discovered 2009-Sep-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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