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266921 Culhane (2010 CN52)
Classification: Main-belt Asteroid          SPK-ID: 2266921
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2298358714634484 5.6213e-08  
a 2.598112563713225 2.6116e-08 au
q 2.000973098472062 1.4336e-07 au
i 10.65764137606186 4.9884e-06 deg
node 98.08698867193615 5.4943e-05 deg
peri 159.6822126710223 6.064e-05 deg
M 130.8125411196593 2.8249e-05 deg
tp 2458444.682453456096
(2018-Nov-22.18245346)
0.00011529 TDB
period 1529.626403119647
4.19
2.3063e-05
6.314e-08
d
yr
n .2353515860250491 3.5486e-09 deg/d
Q 3.195252028954389 3.2118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      6288 days (17.22 yr)  
   first obs. used      2002-08-13  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53787  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:07:32  

Additional Information
 Earth MOID = .989157 au 
 Jupiter MOID = 1.89921 au 
 T_jup = 3.354 
[ 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 16.7   n/a MPO494443  
diameter diameter 2.288 km 0.356 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266921 Culhane           Discovered 2010 Feb. 14 by WISE.
William Culhane (b. 1930) is a retired mechanic and grandfather of one of the discoverers.
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 2019-12-12Last Updated: 2019-12-13

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