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359361 (2009 US55)
Classification: Jupiter Trojan          SPK-ID: 2359361
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1001478232461411 9.7814e-08  
a 5.205236958431098 3.0258e-07 au
q 4.68394380756386 7.3141e-07 au
i 7.851315344792619 1.0245e-05 deg
node 34.00039541815315 8.5021e-05 deg
peri 31.90036158629522 0.00012391 deg
M 272.0866121559754 9.9035e-05 deg
tp 2459659.782261140332
(2022-Mar-21.28226114)
0.0012612 TDB
period 4337.696719037757
11.88
0.00037822
1.036e-06
d
yr
n .08299335415037033 7.2365e-09 deg/d
Q 5.726530109298338 3.3288e-07 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      8024 days (21.97 yr)  
   first obs. used      1997-10-10  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62619  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:16:26  

Additional Information
 Earth MOID = 3.70023 au 
 Jupiter MOID = .100075 au 
 T_jup = 2.971 
[ 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 14.1   n/a MPO455593  
diameter diameter 10.084 km 1.028 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.036   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

359361 (2009 US55)          Discovered 2009-Oct-23 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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