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165551 (2001 DZ40)
Classification: Jupiter Trojan          SPK-ID: 2165551
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03252038441947847 6.3924e-08  
a 5.159359300940838 1.3225e-07 au
q 4.99157495311603 4.1725e-07 au
i 6.236753433078025 4.9769e-06 deg
node 125.8038161971936 6.6414e-05 deg
peri 307.2517738665775 0.00012514 deg
M 335.4047922859994 0.00010411 deg
tp 2459492.942225974564
(2021-Oct-05.44222597)
0.0012365 TDB
period 4280.47620394414
11.72
0.00016458
4.506e-07
d
yr
n .08410279203708382 3.2336e-09 deg/d
Q 5.327143648765645 1.3655e-07 au
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      8446 days (23.12 yr)  
   first obs. used      1997-12-04  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49131  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:13:01  

Additional Information
 Earth MOID = 4.01063 au 
 Jupiter MOID = .164508 au 
 T_jup = 2.987 
[ 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 12.6   n/a MPO502946  
diameter diameter 14.334 km 0.847 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.113   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

165551 (2001 DZ40)          Discovered 2001-Feb-19 by LINEAR at Socorro
Reference: 20071026/Numbers.arcLast Updated: 2007-10-28

Alternate Designations
 2001 DZ40 = 2000 BN32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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