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5264 Telephus (1991 KC)
Classification: Jupiter Trojan          SPK-ID: 2005264
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1116269693722017 3.6285e-08  
a 5.208861104123631 8.4868e-08 au
q 4.62741172518957 2.0029e-07 au
i 33.57466215691193 5.704e-07 deg
node 121.9017683763011 3.2209e-06 deg
peri 359.1574776801817 1.1871e-05 deg
M 267.0359561919483 1.7099e-05 deg
tp 2460517.808458577016
(2024-Jul-26.30845858)
0.00022698 TDB
period 4342.227688817075
11.89
0.00010612
2.905e-07
d
yr
n .08290675335315556 2.0262e-09 deg/d
Q 5.790310483057692 9.4341e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2077  
   data-arc span      20468 days (56.04 yr)  
   first obs. used      1965-01-01  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43346  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:20:11  

Additional Information
 Earth MOID = 3.64379 au 
 Jupiter MOID = .653076 au 
 T_jup = 2.656 
[ 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 9.52   n/a E2021B10  
diameter diameter 68.472 km 1.191 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 9.525 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Mottola, S.; Di Martino, M.; Erikson, A.; Gonano-Beurer, M.; et al. (2011) Astron. J. 141, A170.]
[Stephens, R.D.; Coley, D.R.; French, L.M. (2016) Minor Planet Bull. 43, 15-22.]
[Stephens, R.D.; Coley, D.R.; Warner, B.D.; French, L.M. (2016) Minor Planet Bull. 43, 323-331.]
[Stephens, R.D.; Warner, B.D. (2018) Minor Planet Bull. 45, 48-50.]
geometric albedo albedo 0.072   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

5264 Telephus (1991 KC)          Discovered 1991-May-17 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1991 KC = 1965 AO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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