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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08273983155036363 3.5915e-08  
a 3.231402483233524 2.7074e-08 au
q 2.964036786099356 1.2452e-07 au
i 14.73752017979209 5.7294e-06 deg
node 283.82789564 1.6171e-05 deg
peri 96.21324228615804 4.1903e-05 deg
M 285.990814086258 3.7395e-05 deg
tp 2459036.682396975463
(2020-Jul-06.18239698)
0.00022068 TDB
period 2121.705042049519
5.81
2.6665e-05
7.3e-08
d
yr
n .1696748571857322 2.1324e-09 deg/d
Q 3.498768180367692 2.9314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1362  
   data-arc span      8026 days (21.97 yr)  
   first obs. used      1997-12-06  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51009  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:26:06  

Additional Information
 Earth MOID = 2.01442 au 
 Jupiter MOID = 1.9498 au 
 T_jup = 3.129 
[ 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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