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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 231 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2208909066727883 4.7993e-08  
a 1.626161162314875 2.1605e-09 au
q 1.266956948775067 7.7324e-08 au
i 22.64127541561814 4.8316e-06 deg
node 111.4817230941304 6.9072e-06 deg
peri 167.3100087366768 1.2702e-05 deg
M 348.5613680672141 7.3278e-06 deg
tp 2459024.566635955421
(2020-Jun-24.06663596)
1.5398e-05 TDB
period 757.4322694236409
2.07
1.5095e-06
4.133e-09
d
yr
n .4752900220028092 9.4722e-10 deg/d
Q 1.985365375854682 2.6378e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35942  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-20 05:50:01  

Additional Information
 Earth MOID = .254928 au 
 Jupiter MOID = 3.18901 au 
 T_jup = 4.206 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457007.5 (2014-Dec-16.0) TDB
Reference: JPL 231 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2209897871444933 4.8014e-08  
q 1.266745451180583 7.7337e-08 au
tp 2456752.175185487682
(2014-Apr-04.67518549)
1.7688e-05 TDB
node 111.5057381105238 6.9069e-06 deg
peri 167.2612117548575 1.2694e-05 deg
i 22.64280411624871 4.8319e-06 deg
  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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35942  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-20 05:50:01  

Additional Information
 Jupiter MOID = 3.18901 au 
 T_jup = 4.206 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.305340999234101E-15 -3.712563932273412E-15 -3.226751068905662E-13 -4.397511124561942E-14 -2.192045748173267E-13 -2.458721193138977E-14
q -3.712563932273412E-15 5.9810553286296E-15 5.068180029199157E-13 7.067504744198705E-14 3.473903370712027E-13 3.95779966135897E-14
tp -3.226751068905662E-13 5.068180029199157E-13 3.12870740632653E-10 7.3334130532944E-12 1.891512209765108E-10 -3.137826395711412E-13
node -4.397511124561942E-14 7.067504744198705E-14 7.3334130532944E-12 4.770496056672211E-11 -3.798450593067765E-11 -3.402526686716737E-12
peri -2.192045748173267E-13 3.473903370712027E-13 1.891512209765108E-10 -3.798450593067765E-11 1.611315926470162E-10 3.890964439689407E-12
i -2.458721193138977E-14 3.95779966135897E-14 -3.137826395711412E-13 -3.402526686716737E-12 3.890964439689407E-12 2.334738515614722E-11

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 5.295 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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