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JPL Small-Body Database Browser
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100728 (1998 CK)
Classification: Main-belt Asteroid          SPK-ID: 2100728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .02948696053959255 3.572e-08  
a 2.766895458194335 1.9711e-08 au
q 2.68530812100138 1.0136e-07 au
i 5.563573795173495 5.1602e-06 deg
node 312.6941388036846 4.8261e-05 deg
peri 135.1511641948235 0.00011514 deg
M 331.6044647953199 0.00010375 deg
tp 2459133.097431193783
(2020-Oct-10.59743119)
0.00048458 TDB
period 1681.076792026592
4.60
1.7963e-05
4.918e-08
d
yr
n .2141484563391114 2.2883e-09 deg/d
Q 2.848482795387289 2.0292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      7945 days (21.75 yr)  
   first obs. used      1998-02-02  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53164  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 09:33:22  

Additional Information
 Earth MOID = 1.70528 au 
 Jupiter MOID = 2.21401 au 
 T_jup = 3.332 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO502723  

100728 (1998 CK)          Discovered 1998-Feb-02 by Tichy, M., Moravec, Z. at Klet
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 CK = 2001 VZ55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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