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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 96 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2209927693265032 1.608e-07  
a 1.626094022030666 1.666e-08 AU
q 1.266739000916837 2.5048e-07 AU
i 22.6428027767568 9.3351e-06 deg
node 111.5057174260728 1.7338e-05 deg
peri 167.2612821144083 4.5688e-05 deg
M 118.0330204316122 7.8415e-05 deg
tp 2456752.176439449908
(2014-Apr-04.67643945)
0.00016125 JED
period 757.3853610721494
2.07
1.1639e-05
3.187e-08
d
yr
n .4753194588952532 7.3046e-09 deg/d
Q 1.985449043144494 2.0341e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      11215 days (30.70 yr)  
   first obs. used      1983-12-29  
   last obs. used      2014-09-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61456  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-13 05:46:24  

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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