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249481 (2009 TE23)
Classification: Jupiter Trojan          SPK-ID: 2249481
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08510356364388529 8.1082e-08  
a 5.26737618298239 2.211e-07 au
q 4.819103698757663 6.0059e-07 au
i 8.651877045093675 4.4773e-06 deg
node 111.6266986833279 4.1636e-05 deg
peri 299.0083302607206 5.4785e-05 deg
M 347.198352966812 3.3499e-05 deg
tp 2459553.519387278422
(2021-Dec-05.01938728)
0.00040966 TDB
period 4415.602091956348
12.09
0.00027802
7.612e-07
d
yr
n .08152908538923641 5.1334e-09 deg/d
Q 5.715648667207117 2.3992e-07 au
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      8462 days (23.17 yr)  
   first obs. used      1997-11-06  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53813  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:07:38  

Additional Information
 Earth MOID = 3.84035 au 
 Jupiter MOID = .205291 au 
 T_jup = 2.970 
[ 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 13.03   n/a MPCxxxxx  
diameter diameter 14.423 km 0.534 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.064   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

249481 (2009 TE23)          Discovered 2009-Oct-14 by La Sagra at La Sagra
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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