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66223 (1999 CE77)
Classification: Main-belt Asteroid          SPK-ID: 2066223
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .135260560738827 1.0396e-08  
a 2.55575930493164 1.4794e-08 au
q 2.210065868233112 3.4925e-08 au
i 14.54911396989678 5.8904e-07 deg
node 311.4566093889706 1.6019e-06 deg
peri 22.09759168667134 9.446e-06 deg
M 301.2358252624922 1.212e-05 deg
tp 2459444.106287629216
(2021-Aug-17.60628763)
5.0904e-05 TDB
period 1492.376331978709
4.09
1.2958e-05
3.548e-08
d
yr
n .2412260180531567 2.0945e-09 deg/d
Q 2.901452741630169 1.6795e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1805  
   data-arc span      11245 days (30.79 yr)  
   first obs. used      1989-10-07  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4672  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:20:20  

Additional Information
 Earth MOID = 1.20242 au 
 Jupiter MOID = 2.44396 au 
 T_jup = 3.380 
[ 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 13.81   n/a E2021B10  
diameter diameter 4.272 km 0.301 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.385   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66223 (1999 CE77)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CE77 = 2003 AC6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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