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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1080667284546463 2.2779e-08  
a 5.211152219699227 8.3575e-08 au
q 4.648000047837163 1.6173e-07 au
i 19.39778669266998 1.37e-06 deg
node 82.04899669969573 2.3016e-06 deg
peri 34.08115114881148 1.3064e-05 deg
M 268.858132474998 1.79e-05 deg
tp 2460300.555224959242
(2023-Dec-22.05522496)
0.00023514 TDB
period 4345.092894620479
11.90
0.00010453
2.862e-07
d
yr
n .08285208365641722 1.9931e-09 deg/d
Q 5.774304391561291 9.2607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2908  
   data-arc span      12490 days (34.20 yr)  
   first obs. used      1986-12-02  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37131  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:50:26  

Additional Information
 Earth MOID = 3.68234 au 
 Jupiter MOID = .331278 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 9.60   n/a MPCxxxxx  
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. 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.]
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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