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379143 (2009 HU11)
Classification: Jupiter Trojan          SPK-ID: 2379143
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1387764895191684 8.7677e-08  
a 5.187746506356369 2.0299e-07 au
q 4.467809257688902 5.7125e-07 au
i 22.8895433753649 9.271e-06 deg
node 68.21152894377742 2.0688e-05 deg
peri 234.6529299574337 6.5478e-05 deg
M 278.6306330785061 7.6596e-05 deg
tp 2459975.994854786721
(2023-Jan-31.49485479)
0.00096098 TDB
period 4315.852033874615
11.82
0.00025331
6.935e-07
d
yr
n .083413425014204 4.8957e-09 deg/d
Q 5.907683755023836 2.3116e-07 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      6794 days (18.60 yr)  
   first obs. used      2001-09-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58592  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:28:04  

Additional Information
 Earth MOID = 3.50949 au 
 Jupiter MOID = .443041 au 
 T_jup = 2.825 
[ 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 13.1   n/a MPO402525  
diameter diameter 13.579 km 1.302 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.046   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

379143 (2009 HU11)          Discovered 2009-Apr-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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