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24531 (2001 CE21)
Classification: Jupiter Trojan          SPK-ID: 2024531
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08918994808721126 6.263e-08  
a 5.249296916777484 1.3574e-07 au
q 4.781112397275742 3.6697e-07 au
i 22.48224767347393 6.6202e-06 deg
node 190.5870502379011 1.3531e-05 deg
peri 236.6115715155975 3.9453e-05 deg
M 269.1235969285593 4.2823e-05 deg
tp 2460109.416289277153
(2023-Jun-13.91628928)
0.00054937 TDB
period 4392.888039659142
12.03
0.00017039
4.665e-07
d
yr
n .08195064311903873 3.1787e-09 deg/d
Q 5.717481436279225 1.4785e-07 au
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      25310 days (69.30 yr)  
   first obs. used      1951-01-04  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53828  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:48:34  

Additional Information
 Earth MOID = 3.84581 au 
 Jupiter MOID = .0111079 au 
 T_jup = 2.840 
[ 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 MPO302212  
diameter diameter 20.624 km 1.751 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.104   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

24531 (2001 CE21)          Discovered 2001-Feb-02 by LINEAR at Socorro
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 CE21 = 1997 UH26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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