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240022 Demitra (2001 TR258)
Classification: Main-belt Asteroid          SPK-ID: 2240022
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet has stopped working because of a recent Java upgrade, here is a possible workaround.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).

Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07557352842566428 9.3946e-08  
a 3.171315052155391 5.8117e-08 au
q 2.931647583914588 2.6916e-07 au
i 10.07367177370929 8.4093e-06 deg
node 85.87586492988694 4.9762e-05 deg
peri 13.92985265607724 0.00010675 deg
M 141.2739066266879 8.6269e-05 deg
tp 2456790.999792883067
0.0005005 JED
period 2062.801840202273
n .1745199141206406 4.7974e-09 deg/d
Q 3.410982520396193 6.251e-08 au
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      7057 days (19.32 yr)  
   first obs. used      1996-12-08  
   last obs. used      2016-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .64153  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 18:25:19  

Additional Information
 Earth MOID = 1.94795 au 
 Jupiter MOID = 1.7736 au 
 T_jup = 3.174 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2 mag n/a MPO338708  

240022 Demitra           Discovered 2001 Oct. 15 by NEAT at Palomar.
Popular Slovak ice-hockey player Pavol Demitra (1974-2011) spent 16 seasons in the NHL. His most successful season was with St. Louis, being awarded the Lady Byng Memorial Trophy in 2000. A three-time Olympian, he was named to the All-Star Team in 2010. Name suggested by S. Kürti.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120703/MPCPages.arcLast Updated: 2012-07-09

[ show close-approach data ]
Alternate Designations
 2001 TR258 = 2009 BK77 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2016-Apr-30 03:21 UT
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