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JPL Small-Body Database Browser
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74464 (1999 CA38)
Classification: Main-belt Asteroid          SPK-ID: 2074464
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2147747563281706 4.5054e-08  
a 3.073346270951504 2.2006e-08 au
q 2.413269074495803 1.4422e-07 au
i 2.793716936504513 4.9636e-06 deg
node 137.5330244586235 0.0001002 deg
peri 355.8261897195235 0.00010096 deg
M 277.8862852031895 1.217e-05 deg
tp 2459049.378565538080
(2020-Jul-18.87856554)
6.9e-05 TDB
period 1967.957289395284
5.39
2.1137e-05
5.787e-08
d
yr
n .1829307993318398 1.9648e-09 deg/d
Q 3.733423467407205 2.6732e-08 au
  Orbit Determination Parameters
   # obs. used (total)      678  
   data-arc span      11609 days (31.78 yr)  
   first obs. used      1988-02-15  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51705  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:47:26  

Additional Information
 Earth MOID = 1.42802 au 
 Jupiter MOID = 1.31982 au 
 T_jup = 3.192 
[ 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 15.0   n/a MPO417340  
diameter diameter 5.914 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.62 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.055   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74464 (1999 CA38)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CA38 = 1988 CS7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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