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233918 (2009 SU146)
Classification: Jupiter Trojan          SPK-ID: 2233918
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 .07310021539247434 8.5605e-08  
a 5.109592971861352 2.0932e-07 au
q 4.736080625050414 5.9182e-07 au
i 7.496660015415888 6.9667e-06 deg
node 53.44769404103966 6.5488e-05 deg
peri .1585176349942075 9.5147e-05 deg
M 315.2550819600108 7.5644e-05 deg
tp 2459524.847379258300
(2021-Nov-06.34737926)
0.00090539 TDB
period 4218.69264268818
11.55
0.00025924
7.098e-07
d
yr
n .08533449352465874 5.2438e-09 deg/d
Q 5.48310531867229 2.2462e-07 au
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      7624 days (20.87 yr)  
   first obs. used      1998-11-14  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5752  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 01:38:16  

Additional Information
 Earth MOID = 3.74735 au 
 Jupiter MOID = .0558173 au 
 T_jup = 2.978 
[ 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 13.5   n/a MPO454692  
diameter diameter 9.291 km 1.407 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.068   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

233918 (2009 SU146)          Discovered 2009-Sep-19 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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