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160856 (2001 DU92)
Classification: Jupiter Trojan          SPK-ID: 2160856
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09049790729844256 7.9163e-08  
a 5.227200113822914 1.5014e-07 au
q 4.75414944249176 5.0862e-07 au
i 7.631439669548807 7.2147e-06 deg
node 28.40088055146024 4.1851e-05 deg
peri 2.204288566597306 5.3114e-05 deg
M 342.4616019723389 3.5589e-05 deg
tp 2459213.161825711739
(2020-Dec-29.66182571)
0.00043443 TDB
period 4365.179598243838
11.95
0.00018807
5.149e-07
d
yr
n .08247083353565388 3.5532e-09 deg/d
Q 5.700250785154068 1.6373e-07 au
  Orbit Determination Parameters
   # obs. used (total)      456  
   data-arc span      8697 days (23.81 yr)  
   first obs. used      1996-10-06  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56497  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 12:20:50  

Additional Information
 Earth MOID = 3.75967 au 
 Jupiter MOID = .190232 au 
 T_jup = 2.974 
[ 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 12.5   n/a MPO417856  
diameter diameter 16.216 km 0.540 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.067   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

160856 (2001 DU92)          Discovered 2001-Feb-19 by LONEOS at Anderson Mesa
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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