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72431 (2001 CD42)
Classification: Main-belt Asteroid          SPK-ID: 2072431
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .213096783960997 3.2359e-08  
a 3.132543211657715 2.0509e-08 au
q 2.465008327634604 1.0074e-07 au
i 16.96241314154351 6.055e-06 deg
node 30.42236166784822 1.223e-05 deg
peri 252.6319321713744 1.9208e-05 deg
M 98.47832328129799 1.6304e-05 deg
tp 2458646.535190033219
(2019-Jun-12.03519003)
8.9025e-05 TDB
period 2025.088617912268
5.54
1.9888e-05
5.445e-08
d
yr
n .1777699982192069 1.7458e-09 deg/d
Q 3.800078095680827 2.4879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1904  
   data-arc span      8187 days (22.41 yr)  
   first obs. used      1998-10-19  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44592  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:15:35  

Additional Information
 Earth MOID = 1.51109 au 
 Jupiter MOID = 1.62751 au 
 T_jup = 3.111 
[ 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 13.53   n/a E2021B10  
diameter diameter 5.927 km 0.585 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 74.6845 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.289   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72431 (2001 CD42)          Discovered 2001-Feb-15 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 CD42 = 1998 VE22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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