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129216 Chloecastle (2005 NQ82)
Classification: Main-belt Asteroid          SPK-ID: 2129216
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2534239625425693 5.9457e-08  
a 3.113109076441537 2.6143e-08 au
q 2.324172638462484 1.8585e-07 au
i 15.04560062983542 8.0841e-06 deg
node 239.0823945190236 1.9011e-05 deg
peri 110.9461327568085 2.457e-05 deg
M 254.0344266519507 1.5097e-05 deg
tp 2459591.043950402539
(2022-Jan-11.54395040)
8.8496e-05 TDB
period 2006.272560302508
5.49
2.5272e-05
6.919e-08
d
yr
n .1794372345628446 2.2603e-09 deg/d
Q 3.902045514420589 3.2768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      440  
   data-arc span      7595 days (20.79 yr)  
   first obs. used      1999-07-12  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5497  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:42:41  

Additional Information
 Earth MOID = 1.3697 au 
 Jupiter MOID = 1.91911 au 
 T_jup = 3.117 
[ 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 14.8   n/a MPO341405  
diameter diameter 3.070 km 0.597 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.297   0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129216 Chloecastle           Discovered 2005 July 10 by the Catalina Sky Survey.
Chloe Castle (b. 1990) worked as a Hofstadter Analytical Services test engineer on OSIRIS-REx Asteroid Sample Return Mission OCAMS camera system, her first space mission.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-08-18Last Updated: 2016-08-22

[ show close-approach data ]
Alternate Designations
 2005 NQ82 = 2000 WG44 = 2004 JB27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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