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442037 (2010 PR66)
Classification: Apollo [NEO, PHA]          SPK-ID: 2442037
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 100 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6869418495677011 1.1176e-08  
a 2.927337404019098 4.7482e-09 au
q .9164268333935062 3.1977e-08 au
i 17.59010363092323 7.183e-06 deg
node 292.749580070326 6.0542e-06 deg
peri 319.5338380871164 6.4804e-06 deg
M 355.2562599467438 7.7981e-07 deg
tp 2459024.606046038804
(2020-Jun-24.10604604)
4.0086e-06 TDB
period 1829.395472041672
5.01
4.451e-06
1.219e-08
d
yr
n .1967863184870721 4.7879e-10 deg/d
Q 4.93824797464469 8.0099e-09 au
  Orbit Determination Parameters
   # obs. used (total)      601  
   # delay obs. used      4  
   # Doppler obs. used      0  
   data-arc span      3691 days (10.11 yr)  
   first obs. used      2010-07-22  
   last obs. used      2020-08-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35765  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-31 09:32:04  

Additional Information
 Earth MOID = .000550253 au 
 Jupiter MOID = .841709 au 
 T_jup = 2.817 
[ 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 19.3   n/a MPO323854  
diameter diameter 0.695 km 0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  
rotation period rot_per 2.0734 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Lister, T. UNPUBLISHED.]
[Warner, B.D. (2016) Minor Planet Bull. 43, 66-79.]
geometric albedo albedo 0.063   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  

442037 (2010 PR66)          Discovered 2010-Jul-22 by WISE at WISE
Reference: Last Updated: 2015-09-02

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