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13463 Antiphos (5159 T-2)
Classification: Jupiter Trojan          SPK-ID: 2013463
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .00726469896819852 4.7833e-08  
a 5.18730174383332 8.2222e-08 au
q 5.14961755820716 2.9518e-07 au
i 10.52385755294844 5.3936e-06 deg
node 323.5613883865042 2.4855e-05 deg
peri 84.20992666032484 0.00038244 deg
M 337.6717991515071 0.00037969 deg
tp 2459468.146718755379
(2021-Sep-10.64671876)
0.0045499 TDB
period 4315.297027545314
11.81
0.0001026
2.809e-07
d
yr
n .08342415312365649 1.9835e-09 deg/d
Q 5.22498592945948 8.2819e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1524  
   data-arc span      17335 days (47.46 yr)  
   first obs. used      1973-09-20  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45008  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:57:43  

Additional Information
 Earth MOID = 4.16356 au 
 Jupiter MOID = .134664 au 
 T_jup = 2.966 
[ 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 11.23   n/a MPCxxxxx  
diameter diameter 25.326 km 0.583 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.100   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

13463 Antiphos           Discovered 1973 Sept. 25 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Antiphos was a friend of Telemachos and Odysseus and lived at Ithaca.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 5159 T-2 = 1996 SQ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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