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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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1846702360350239 2.8807e-08  
a 2.589967439632423 8.1482e-09 au
q 2.111677541232477 7.7374e-08 au
i 1.730125075980768 3.8263e-06 deg
node 229.9521651223209 0.00010067 deg
peri 44.86390797113674 0.00010124 deg
M 319.3156394098402 1.1911e-05 deg
tp 2459568.554041047287
(2021-Dec-20.05404105)
5.0656e-05 TDB
period 1522.438939153544
4.17
7.1845e-06
1.967e-08
d
yr
n .236462685459264 1.1159e-09 deg/d
Q 3.06825733803237 9.6529e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2202  
   data-arc span      18367 days (50.29 yr)  
   first obs. used      1971-04-16  
   last obs. used      2021-07-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49674  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 13:39:50  

Additional Information
 Earth MOID = 1.09561 au 
 Jupiter MOID = 2.04792 au 
 T_jup = 3.395 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457096.5 (2015-Mar-15.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1859758957640112 2.8707e-08  
q 2.107640564137853 7.7148e-08 au
tp 2456522.655571258590
(2013-Aug-18.15557126)
4.7051e-05 TDB
node 230.0923926864364 0.00010088 deg
peri 44.63465887574099 0.00010144 deg
i 1.728335536003532 3.8241e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2202  
   data-arc span      18367 days (50.29 yr)  
   first obs. used      1971-04-16  
   last obs. used      2021-07-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49674  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 13:39:50  

Additional Information
 Jupiter MOID = 2.04792 au 
 T_jup = 3.395 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.241149328949938E-16 -2.20779436438213E-15 -4.046902119385607E-13 -3.646294407765029E-15 -8.101879332246385E-14 -1.143956211645956E-16
q -2.20779436438213E-15 5.951842247091963E-15 1.070477229335798E-12 1.006516540203772E-14 2.17498932232709E-13 3.528629881287234E-16
tp -4.046902119385607E-13 1.070477229335798E-12 2.213832195279319E-9 7.155549271263502E-12 5.102564508198196E-10 3.52735274770035E-13
node -3.646294407765029E-15 1.006516540203772E-14 7.155549271263502E-12 1.017647475732367E-8 -1.016979555328797E-8 -1.046276994236155E-10
peri -8.101879332246385E-14 2.17498932232709E-13 5.102564508198196E-10 -1.016979555328797E-8 1.029018816688537E-8 1.046630894912988E-10
i -1.143956211645956E-16 3.528629881287234E-16 3.52735274770035E-13 -1.046276994236155E-10 1.046630894912988E-10 1.462378667187047E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.32   n/a MPO636272  
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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