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74477 (1999 CY66)
Classification: Outer Main-belt Asteroid          SPK-ID: 2074477
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08269850711024382 3.5784e-08  
a 3.229949941822734 2.6706e-08 au
q 2.962837903593174 1.2421e-07 au
i 14.73896241897425 5.7263e-06 deg
node 283.8299238980237 1.6142e-05 deg
peri 96.59605566035647 4.1961e-05 deg
M 353.5371717426839 3.7519e-05 deg
tp 2459038.563807533046
(2020-Jul-08.06380753)
0.000221 TDB
period 2120.274617600204
5.80
2.6297e-05
7.2e-08
d
yr
n .1697893268219471 2.1058e-09 deg/d
Q 3.497061980052292 2.8915e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1377  
   data-arc span      8066 days (22.08 yr)  
   first obs. used      1997-12-06  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5089  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:17:05  

Additional Information
 Earth MOID = 2.01401 au 
 Jupiter MOID = 1.949 au 
 T_jup = 3.130 
[ 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 12.8   n/a MPO359267  
diameter diameter 14.885 km 0.364 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74477 (1999 CY66)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CY66 = 2002 PO117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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