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119890 Zamka (2002 CD258)
Classification: Main-belt Asteroid          SPK-ID: 2119890
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08122224732109573 4.9014e-08  
a 2.880241507378984 2.1493e-08 au
q 2.646301819322162 1.3973e-07 au
i 2.97219024359711 5.3398e-06 deg
node 133.4262482224094 9.225e-05 deg
peri 180.9072822809154 9.7013e-05 deg
M 128.8409887093433 2.9523e-05 deg
tp 2458561.511073378261
(2019-Mar-19.01107338)
0.00014647 TDB
period 1785.425708760837
4.89
1.9985e-05
5.472e-08
d
yr
n .2016325844494844 2.2569e-09 deg/d
Q 3.114181195435805 2.3238e-08 au
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      8735 days (23.92 yr)  
   first obs. used      1997-02-04  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52976  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:03:58  

Additional Information
 Earth MOID = 1.63037 au 
 Jupiter MOID = 2.09606 au 
 T_jup = 3.288 
[ 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 15.8   n/a MPO449698  

119890 Zamka           Discovered 2002 Feb. 6 by M. W. Buie at Kitt Peak.
George D. Zamka (b. 1962) is a retired American astronaut. Zamka piloted the Space Shuttle Discovery in its October 2007 mission to the International Space Station. He was the commander of the Space Shuttle mission in February 2010, an International Space Station assembly mission.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2021-01-27Last Updated: 2021-02-23

Alternate Designations
 2002 CD258 = 2003 HT9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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