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13693 Bondar (1997 TW15)
Classification: Main-belt Asteroid          SPK-ID: 2013693
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1846702359687558 2.8812e-08  
a 2.589967439537208 8.1556e-09 au
q 2.111677541326477 7.7382e-08 au
i 1.730125067609818 3.8263e-06 deg
node 229.9521699755809 0.00010086 deg
peri 44.86390305207332 0.00010143 deg
M 319.3156395145038 1.1922e-05 deg
tp 2459568.554040595177
(2021-Dec-20.05404060)
5.0703e-05 TDB
period 1522.438939069589
4.17
7.1911e-06
1.969e-08
d
yr
n .2364626854723037 1.1169e-09 deg/d
Q 3.068257337747938 9.6617e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2182  
   data-arc span      18335 days (50.20 yr)  
   first obs. used      1971-04-16  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49745  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:19:34  

Additional Information
 Earth MOID = 1.09561 au 
 Jupiter MOID = 2.04792 au 
 T_jup = 3.395 
[ 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 14.29   n/a MPCxxxxx  
rotation period rot_per 11.555 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

13693 Bondar           Discovered 1997 Oct. 4 by Spacewatch at Kitt Peak.
Roberta Lynn Bondar (b. 1945), selected as a Canadian astronaut in 1983, flew on space shuttle mission STS-42 and has inspired the interest of young Canadians in science.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030614/MPCPages.arcLast Updated: 2005-04-26

Alternate Designations
 1997 TW15 = 1992 GD5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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