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JPL Small-Body Database Browser
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359360 (2009 US28)
Classification: Jupiter Trojan          SPK-ID: 2359360
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002698014306545 9.5593e-08  
a 5.284786520909772 8.6292e-07 au
q 4.75488202585475 1.0118e-06 au
i 6.746735326103753 1.2074e-05 deg
node 218.0759583517489 0.00012111 deg
peri 218.9305488187975 0.00023824 deg
M 289.3296247005655 0.00024723 deg
tp 2459871.613003627464
(2022-Oct-19.11300363)
0.0032509 TDB
period 4437.512606621132
12.15
0.0010869
2.976e-06
d
yr
n .08112653008869214 1.987e-08 deg/d
Q 5.814691015964794 9.4944e-07 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      3573 days (9.78 yr)  
   first obs. used      2008-09-25  
   last obs. used      2018-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68074  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:21:11  

Additional Information
 Earth MOID = 3.77339 au 
 Jupiter MOID = .157138 au 
 T_jup = 2.976 
[ 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 14.3   n/a MPO418819  
diameter diameter 9.742 km 1.077 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.039   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

359360 (2009 US28)          Discovered 2009-Oct-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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