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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 221 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2208909117720575 4.8637e-08  
a 1.626161162386594 2.1651e-09 au
q 1.26695694053871 7.8378e-08 au
i 22.6412762309334 4.9278e-06 deg
node 111.4817204897012 7.5305e-06 deg
peri 167.3100106356188 1.2968e-05 deg
M 348.5613683382869 7.4629e-06 deg
tp 2459024.566635386682
(2020-Jun-24.06663539)
1.5683e-05 TDB
period 757.432269473749
2.07
1.5127e-06
4.142e-09
d
yr
n .4752900219713663 9.4922e-10 deg/d
Q 1.985365384234477 2.6434e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1999  
   data-arc span      13399 days (36.68 yr)  
   first obs. used      1983-12-29  
   last obs. used      2020-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35597  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-14 06:56:05  

Additional Information
 Earth MOID = .254928 au 
 Jupiter MOID = 3.18901 au 
 T_jup = 4.206 
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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 16.4   n/a MPO253409  
rotation period rot_per 5.959 h n/a LCDB (Rev. 2019-August); 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:
[Pravec, P.; Sarounova, L.; Wolf, M. (1996) Icarus 124, 471-482.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
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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