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

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 104 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2209927542026983 1.5506e-07  
a 1.626094018459504 1.3908e-08 AU
q 1.266739022727605 2.4264e-07 AU
i 22.6428044575013 8.2218e-06 deg
node 111.5057176324701 1.7321e-05 deg
peri 167.2612740884488 3.986e-05 deg
M 118.0330369459659 6.4847e-05 deg
tp 2456752.176405524252
(2014-Apr-04.67640552)
0.00013335 JED
period 757.385358577141
2.07
9.7166e-06
2.66e-08
d
yr
n .475319460461069 6.098e-09 deg/d
Q 1.985449014191403 1.6981e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      11286 days (30.90 yr)  
   first obs. used      1983-12-29  
   last obs. used      2014-11-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61488  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-23 05:20:13  

Additional Information
 Earth MOID = .256021 AU 
 T_jup = 4.206 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4 mag n/a MPO253409  
rotation period rot_per 5.959 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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.]
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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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