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4836 Medon (1989 CK1)
Classification: Jupiter Trojan          SPK-ID: 2004836
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1078963771058165 4.0566e-08  
a 5.209932871524342 9.4244e-08 au
q 4.647799989722362 2.5535e-07 au
i 19.39808497713322 4.3467e-06 deg
node 82.04490310856995 1.5254e-05 deg
peri 34.22786464373012 3.1823e-05 deg
M 252.1132461784947 3.1062e-05 deg
tp 2460302.204011952754
(2023-Dec-23.70401195)
0.00039822 TDB
period 4343.567933078191
11.89
0.00011786
3.227e-07
d
yr
n .08288117178010287 2.2489e-09 deg/d
Q 5.772065753326322 1.0441e-07 au
  Orbit Determination Parameters
   # obs. used (total)      2665  
   data-arc span      12381 days (33.90 yr)  
   first obs. used      1986-12-02  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37811  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:48:18  

Additional Information
 Earth MOID = 3.68242 au 
 Jupiter MOID = .329142 au 
 T_jup = 2.875 
[ 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 9.5   n/a MPO337293  
diameter diameter 63.277 km 0.768 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 9.818 h n/a LCDB (Rev. 2019-August); 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.]
geometric albedo albedo 0.070   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

4836 Medon (1989 CK1)          Discovered 1989-Feb-02 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 CK1 = 1986 XM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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