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74468 (1999 CY44)
Classification: Main-belt Asteroid          SPK-ID: 2074468
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1924621415685908 3.2381e-08  
a 3.031172150543534 2.0511e-08 au
q 2.447786266986854 1.0007e-07 au
i 11.96413377919938 4.0274e-06 deg
node 115.6313784792378 2.3013e-05 deg
peri 347.1316814508667 2.6716e-05 deg
M 328.6408061203892 1.3975e-05 deg
tp 2458768.410061021825
(2019-Oct-11.91006102)
7.5564e-05 TDB
period 1927.5885151869
5.28
1.9565e-05
5.357e-08
d
yr
n .1867618514862827 1.8957e-09 deg/d
Q 3.614558034100213 2.4459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      992  
   data-arc span      7668 days (20.99 yr)  
   first obs. used      1998-11-30  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57085  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:47:26  

Additional Information
 Earth MOID = 1.46631 au 
 Jupiter MOID = 1.54511 au 
 T_jup = 3.182 
[ 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 14.2   n/a MPO417340  
diameter diameter 4.046 km 0.401 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.247   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74468 (1999 CY44)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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