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243484 (2009 TA23)
Classification: Jupiter Trojan          SPK-ID: 2243484
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 .05272210790839618 9.305e-08  
a 5.272741533954768 1.9916e-07 au
q 4.994751485828523 6.1941e-07 au
i 13.26396906350144 8.4885e-06 deg
node 163.9717759873542 2.1876e-05 deg
peri 228.4546589825313 6.4787e-05 deg
M 320.658314422406 5.99e-05 deg
tp 2459483.785331525309
(2021-Sep-26.28533153)
0.00072968 TDB
period 4422.350410125744
12.11
0.00025056
6.86e-07
d
yr
n .08140467548110097 4.6122e-09 deg/d
Q 5.550731582081013 2.0966e-07 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      6836 days (18.72 yr)  
   first obs. used      2002-02-12  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54607  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:56:15  

Additional Information
 Earth MOID = 4.01456 au 
 Jupiter MOID = .0287252 au 
 T_jup = 2.944 
[ 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 12.9   n/a MPO413138  
diameter diameter 12.568 km 0.972 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.071   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

243484 (2009 TA23)          Discovered 2009-Oct-14 by La Sagra at La Sagra
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

Alternate Designations
 2009 TA23 = 2008 RG64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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