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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .00690797980090135 4.9643e-08  
a 5.185708232893497 9.2749e-08 au
q 5.149885465167301 3.1537e-07 au
i 10.524200266019 7.156e-06 deg
node 323.56370616783 2.5041e-05 deg
peri 84.17160639985026 0.00050703 deg
M 320.9975845438054 0.00050731 deg
tp 2459467.804052619048
(2021-Sep-10.30405262)
0.00608 TDB
period 4313.308726527552
11.81
0.00011572
3.168e-07
d
yr
n .08346260906063629 2.2392e-09 deg/d
Q 5.221531000619693 9.339e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1152  
   data-arc span      17120 days (46.87 yr)  
   first obs. used      1973-09-20  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49862  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:43:56  

Additional Information
 Earth MOID = 4.16465 au 
 Jupiter MOID = .132696 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 11.2   n/a PDS3 (MPC 37613)  
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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