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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1191255962563549 6.1014e-08  
a 5.14056616307303 9.9907e-08 au
q 4.528193153801713 3.7341e-07 au
i 11.43204789005762 5.813e-06 deg
node 149.8400838219939 2.2309e-05 deg
peri 249.778785801649 3.1054e-05 deg
M 352.4428716906451 2.0697e-05 deg
tp 2459485.865348211898
(2021-Sep-28.36534821)
0.00024464 TDB
period 4257.109849049197
11.66
0.0001241
3.398e-07
d
yr
n .08456441406613083 2.4653e-09 deg/d
Q 5.752939172344347 1.1181e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1294  
   data-arc span      14935 days (40.89 yr)  
   first obs. used      1980-03-21  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52852  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:17:45  

Additional Information
 Earth MOID = 3.5567 au 
 Jupiter MOID = .0579813 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 11.71   n/a E2021B10  
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. 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:
[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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