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6569 Ondaatje (1993 MO)
Classification: Amor [NEO]          SPK-ID: 2006569
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 233 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2208201837012573 4.7984e-08  
a 1.625972658584869 2.1543e-09 au
q 1.266925077422936 7.7314e-08 au
i 22.6412053597089 4.8316e-06 deg
node 111.4803751093402 6.9075e-06 deg
peri 167.2989572956879 1.2704e-05 deg
M 83.64318384960706 7.2594e-06 deg
tp 2459024.547136295524
(2020-Jun-24.04713630)
1.5402e-05 TDB
period 757.3005715265954
2.07
1.505e-06
4.12e-09
d
yr
n .475372677026109 9.4474e-10 deg/d
Q 1.985020239746801 2.63e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2047  
   data-arc span      13505 days (36.97 yr)  
   first obs. used      1983-12-29  
   last obs. used      2020-12-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35942  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-18 06:25:32  

Additional Information
 Earth MOID = .252969 au 
 Jupiter MOID = 3.18861 au 
 T_jup = 4.207 
[ 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 16.68   n/a E2021B10  
rotation period rot_per 5.295 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:
[Warner, B.D.; Stephens, R.D. (2020) Minor Planet Bull. 47, 290-304.]
SMASSII spectral type spec_B Sr   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

6569 Ondaatje           Discovered 1993 June 22 by J. Mueller at Palomar.
Michael Ondaatje (b. 1943), a Canadian novelist, poet and writer, was born in Sri Lanka into a Burgher family. Best known for his novel The English Patient, adapted into an award-winning movie, he returned to his Sri Lankan origins in two other books, Running in the Family and Anil's Ghost.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060613/MPCPages.arcLast Updated: 2008-05-22

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