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74460 (1999 CW32)
Classification: Main-belt Asteroid          SPK-ID: 2074460
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1131939725572521 4.506e-08  
a 3.180365931764859 2.9606e-08 au
q 2.820367677762648 1.4538e-07 au
i 17.08797926718749 5.0793e-06 deg
node 131.5345760635888 1.6139e-05 deg
peri 10.94899645754546 2.7202e-05 deg
M 272.0277549203211 2.1788e-05 deg
tp 2459506.740912721262
(2021-Oct-19.24091272)
0.00012804 TDB
period 2071.638940379303
5.67
2.8927e-05
7.92e-08
d
yr
n .1737754552605998 2.4265e-09 deg/d
Q 3.54036418576707 3.2957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      654  
   data-arc span      7597 days (20.80 yr)  
   first obs. used      1999-01-13  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54575  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:53:20  

Additional Information
 Earth MOID = 1.83544 au 
 Jupiter MOID = 1.50826 au 
 T_jup = 3.121 
[ 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 14.3   n/a MPO412634  
diameter diameter 8.357 km 0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74460 (1999 CW32)          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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