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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02967359244032964 3.5361e-08  
a 2.767474584913448 1.7416e-08 au
q 2.685353671991756 9.8957e-08 au
i 5.563630937826901 4.6872e-06 deg
node 312.6932037707857 4.2054e-05 deg
peri 134.9505801188753 0.00010442 deg
M 14.62010487645874 9.3167e-05 deg
tp 2459132.207678535630
(2020-Oct-09.70767854)		 0.00043529 TDB
period 1681.604607827433
4.60		 1.5873e-05
4.346e-08		 d
yr
n .2140812402179998 2.0208e-09 deg/d
Q 2.84959549783514 1.7932e-08 au
   Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      8385 days (22.96 yr)  
   first obs. used      1998-02-02  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51068  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:26:02  

Additional Information
 Earth MOID = 1.70507 au 
 Jupiter MOID = 2.21281 au 
 T_jup = 3.331 
[ 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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