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JPL Small-Body Database Browser
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24530 (2001 CP18)
Classification: Jupiter Trojan          SPK-ID: 2024530
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1188688177000861 6.1786e-08  
a 5.140389682852391 1.145e-07 au
q 4.529357638734007 3.8561e-07 au
i 11.43190791075964 6.2022e-06 deg
node 149.8397733107232 2.7024e-05 deg
peri 249.5496213971476 3.8881e-05 deg
M 319.1257091812411 3.188e-05 deg
tp 2459483.826070568877
(2021-Sep-26.32607057)
0.00038237 TDB
period 4256.890625364465
11.65
0.00014223
3.894e-07
d
yr
n .08456876901063851 2.8256e-09 deg/d
Q 5.751421726970776 1.2811e-07 au
  Orbit Determination Parameters
   # obs. used (total)      875  
   data-arc span      14497 days (39.69 yr)  
   first obs. used      1980-03-21  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58416  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:12:30  

Additional Information
 Earth MOID = 3.55834 au 
 Jupiter MOID = .0555399 au 
 T_jup = 2.947 
[ 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 11.6   n/a MPO416959  
diameter diameter 25.883 km 1.104 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 45.2 h n/a LCDB (Rev. 2019-August); 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:
[Stephens, R.D. (2015) http://www.planetarysciences.org/PHP/CS3_Lightcurves.php]
geometric albedo albedo 0.073   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

24530 (2001 CP18)          Discovered 2001-Feb-02 by LINEAR at Socorro
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 CP18 = 2000 AN177 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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