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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 | Close-Approach Data ]

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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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1847091044673068 3.234e-08  
a 2.590483784265326 9.7499e-09 au
q 2.111997844336598 8.4422e-08 au
i 1.729920906046836 4.1434e-06 deg
node 229.9584206716041 0.00011393 deg
peri 44.79988065111365 0.00011444 deg
M 273.0332000482965 1.2616e-05 deg
tp 2459568.392329693295
(2021-Dec-19.89232969)
5.4328e-05 TDB
period 1522.894239676941
4.17
8.5977e-06
2.354e-08
d
yr
n .236391990080919 1.3346e-09 deg/d
Q 3.068969724194054 1.1551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1837  
   data-arc span      18175 days (49.76 yr)  
   first obs. used      1971-04-16  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51885  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:13:41  

Additional Information
 Earth MOID = 1.09424 au 
 Jupiter MOID = 2.04815 au 
 T_jup = 3.395 
[ 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 14.28   n/a E2021B10  
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

[ show close-approach data ]
Alternate Designations
 1997 TW15 = 1992 GD5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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