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186544 (2002 WT23)
Classification: Jupiter Trojan          SPK-ID: 2186544
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09226981949873687 8.2059e-08  
a 5.156063188288551 1.6414e-07 au
q 4.680314168581085 5.2428e-07 au
i 9.717986175869665 8.1349e-06 deg
node 66.9496574972196 3.2708e-05 deg
peri 203.4045080852063 5.2602e-05 deg
M 342.2182425193168 3.9683e-05 deg
tp 2459411.726282377633
(2021-Jul-16.22628238)
0.00046977 TDB
period 4276.374916177642
11.71
0.00020421
5.591e-07
d
yr
n .08418345141772071 4.02e-09 deg/d
Q 5.631812207996018 1.7929e-07 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      7283 days (19.94 yr)  
   first obs. used      2000-09-27  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52473  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:51:41  

Additional Information
 Earth MOID = 3.66521 au 
 Jupiter MOID = .522769 au 
 T_jup = 2.963 
[ 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 12.94   n/a E2021B55  
diameter diameter 11.744 km 0.660 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.089   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

186544 (2002 WT23)          Discovered 2002-Nov-24 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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