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6602 Gilclark (1989 EC)
Classification: Inner Main-belt Asteroid          SPK-ID: 2006602
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07383091083482844 3.3255e-08  
a 1.870691992290598 5.454e-09 au
q 1.732577098608364 6.3311e-08 au
i 22.66397467333936 7.9446e-06 deg
node 340.9231830898888 8.9655e-06 deg
peri 98.20033663989989 6.5138e-05 deg
M 2.839871416685924 6.1369e-05 deg
tp 2458593.127784301201
(2019-Apr-19.62778430)
0.00015932 TDB
period 934.5485277867989
2.56
4.087e-06
1.119e-08
d
yr
n .3852127410146943 1.6846e-09 deg/d
Q 2.008806885972833 5.8567e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1498  
   data-arc span      10934 days (29.94 yr)  
   first obs. used      1989-03-04  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40232  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:45:30  

Additional Information
 Earth MOID = .829994 au 
 Jupiter MOID = 3.10676 au 
 T_jup = 3.885 
[ 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 14.1   n/a MPO395062  
diameter diameter 4.120 km 0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.5686 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2009) Minor Planet Bull. 36, 7-13.]
[Warner, B.D. (2012) Minor Planet Bull. 39, 158-167.]
[Warner, B.D. (2014) Minor Planet Bull. 41, 27-32.]
[Warner, B.D. (2014) Minor Planet Bull. 41, 102-112.]
geometric albedo albedo 0.237   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6602 Gilclark (1989 EC)          Discovered 1989-Mar-04 by Helin, E. F. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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