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523664 (2012 OD1)
Classification: Aten [NEO, PHA]          SPK-ID: 2523664
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 101 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5025736738108344 3.6909e-07  
a .8287989164780679 8.9528e-09 au
q .4122664001732465 3.0397e-07 au
i 42.27425154997235 4.0304e-05 deg
node 303.7431517201303 1.6767e-05 deg
peri 224.3634815946506 1.1882e-05 deg
M 260.9677486160847 5.8772e-05 deg
tp 2459076.313463984768
(2020-Aug-14.81346398)
4.589e-05 TDB
period 275.5955423926599
0.75
4.4655e-06
1.223e-08
d
yr
n 1.306262056615862 2.1166e-08 deg/d
Q 1.245331432782889 1.3452e-08 au
  Orbit Determination Parameters
   # obs. used (total)      523  
   data-arc span      2274 days (6.23 yr)  
   first obs. used      2012-07-19  
   last obs. used      2018-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .30732  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-15 00:24:47  

Additional Information
 Earth MOID = .0377898 au 
 Jupiter MOID = 3.91039 au 
 T_jup = 6.789 
[ show covariance matrix ]

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 18.6   n/a MPO265865  
diameter diameter 0.346 km 0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 12.63 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:
[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46, 27-40.]
geometric albedo albedo 0.536   0.253 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

523664 (2012 OD1)          Discovered 2012-Jul-19 by OAM at La Sagra
Reference: Last Updated: 2018-10-01

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