Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
100728 (1998 CK)
Classification: Main-belt Asteroid          SPK-ID: 2100728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02967359251711751 3.5353e-08  
a 2.76747458259449 1.7364e-08 au
q 2.685353669529101 9.8897e-08 au
i 5.563630907532225 4.6802e-06 deg
node 312.6932030011001 4.1845e-05 deg
peri 134.9505789789369 0.00010418 deg
M 14.62010703861461 9.2963e-05 deg
tp 2459132.207668521768
(2020-Oct-09.70766852)
0.00043435 TDB
period 1681.604605713825
4.60
1.5826e-05
4.333e-08
d
yr
n .2140812404870784 2.0148e-09 deg/d
Q 2.849595495659878 1.7879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      8409 days (23.02 yr)  
   first obs. used      1998-02-02  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50716  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:30  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-15 07:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin