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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .100836513834029 8.9777e-08  
a 5.286633291940261 2.5867e-07 au
q 4.753547620862088 6.57e-07 au
i 6.745876203191629 1.0112e-05 deg
node 218.0797829837715 9.7848e-05 deg
peri 218.9261018614953 0.00012392 deg
M 321.5037507397515 8.146e-05 deg
tp 2459871.269841362368
(2022-Oct-18.76984136)
0.0010246 TDB
period 4439.83884598707
12.16
0.00032586
8.922e-07
d
yr
n .08108402410267311 5.9511e-09 deg/d
Q 5.819718963018433 2.8475e-07 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      4485 days (12.28 yr)  
   first obs. used      2008-09-25  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .67694  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:27:48  

Additional Information
 Earth MOID = 3.7719 au 
 Jupiter MOID = .155935 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 14.46   n/a MPCxxxxx  
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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