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392189 (2009 SR30)
Classification: Jupiter Trojan          SPK-ID: 2392189
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03852776273773454 1.8049e-07  
a 5.184690806608394 5.8942e-07 au
q 4.984936269342873 5.8782e-07 au
i 31.82186215245621 3.637e-05 deg
node 21.98708067620614 1.9748e-05 deg
peri 104.6980038678933 0.00043238 deg
M 222.0538405686106 0.00044662 deg
tp 2460652.803538146941
(2024-Dec-08.30353815)
0.0054669 TDB
period 4312.039394099628
11.81
0.00073532
2.013e-06
d
yr
n .08348717789837574 1.4237e-08 deg/d
Q 5.384445343873915 6.1213e-07 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      4766 days (13.05 yr)  
   first obs. used      2003-04-09  
   last obs. used      2016-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68619  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 21:24:02  

Additional Information
 Earth MOID = 4.0873 au 
 Jupiter MOID = .278999 au 
 T_jup = 2.699 
[ 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 13.3   n/a MPO339276  

392189 (2009 SR30)          Discovered 2009-Sep-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2009 SR30 = 2009 RQ17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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