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72393 (2001 CH18)
Classification: Main-belt Asteroid          SPK-ID: 2072393
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1405519071613178 2.9052e-08  
a 2.302998635311595 6.8226e-09 au
q 1.979307784928638 6.8626e-08 au
i .5922817267394378 3.3693e-06 deg
node 320.6090509044066 0.00032117 deg
peri 103.5764394493106 0.00032147 deg
M 301.3633547786349 1.4405e-05 deg
tp 2459408.424450340422
(2021-Jul-12.92445034)
5.1529e-05 TDB
period 1276.553285747635
3.50
5.6727e-06
1.553e-08
d
yr
n .2820093794903045 1.2532e-09 deg/d
Q 2.626689485694551 7.7816e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1100  
   data-arc span      8823 days (24.16 yr)  
   first obs. used      1996-10-11  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52004  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:01:49  

Additional Information
 Earth MOID = .992125 au 
 Jupiter MOID = 2.65421 au 
 T_jup = 3.577 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.07   n/a E2021B10  
diameter diameter 4.035 km 0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.9 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:
[Polishook, D.; Brosch, N. (2008) ACM 2008 poster.]
geometric albedo albedo 0.039   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72393 (2001 CH18)          Discovered 2001-Feb-02 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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