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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456870.5 (2014-Aug-01.0) TDB
Reference: JPL 221 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2210147138352773 4.8653e-08  
q 1.266768101925453 7.8388e-08 au
tp 2456752.197936050090
(2014-Apr-04.69793605)
1.7912e-05 TDB
node 111.5064587468842 7.5302e-06 deg
peri 167.273752988868 1.2959e-05 deg
i 22.64274390108949 4.9281e-06 deg
  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
 Jupiter MOID = 3.18901 au 
 T_jup = 4.206 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.367078668773453E-15 -3.813078914864693E-15 -3.359251939131728E-13 -5.943104079076838E-14 -2.119533898113568E-13 -2.106201952999748E-14
q -3.813078914864693E-15 6.144709542281797E-15 5.284751641236173E-13 9.558569742814183E-14 3.358141976305644E-13 3.385976405448977E-14
tp -3.359251939131728E-13 5.284751641236173E-13 3.208278815986738E-10 8.821495728015582E-12 1.913848321365911E-10 -5.737602012804183E-13
node -5.943104079076838E-14 9.558569742814183E-14 8.821495728015582E-12 5.670366747963347E-11 -4.490203220888074E-11 -5.370180847751039E-12
peri -2.119533898113568E-13 3.358141976305644E-13 1.913848321365911E-10 -4.490203220888074E-11 1.67936782614201E-10 5.520092777276794E-12
i -2.106201952999748E-14 3.385976405448977E-14 -5.737602012804183E-13 -5.370180847751039E-12 5.520092777276794E-12 2.428653560439593E-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 5.959 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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