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JPL Small-Body Database Browser
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39288 (2001 CD21)
Classification: Jupiter Trojan          SPK-ID: 2039288
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05122046259751811 6.6071e-08  
a 5.276666982560733 1.2695e-07 au
q 5.006393658740922 3.438e-07 au
i 1.949627878288693 7.3709e-06 deg
node 325.9173919333912 0.00016269 deg
peri 163.9341665807487 0.00017672 deg
M 217.8288555635512 7.1727e-05 deg
tp 2460748.924625736342
(2025-Mar-14.42462574)
0.00091698 TDB
period 4427.289853789161
12.12
0.00015978
4.375e-07
d
yr
n .08131385382230817 2.9345e-09 deg/d
Q 5.546940306380543 1.3345e-07 au
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      8410 days (23.03 yr)  
   first obs. used      1996-09-11  
   last obs. used      2019-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6418  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:48:03  

Additional Information
 Earth MOID = 4.02122 au 
 Jupiter MOID = .18192 au 
 T_jup = 2.996 
[ 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 12.5   n/a MPO263674  

39288 (2001 CD21)          Discovered 2001-Feb-02 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 CD21 = 1996 RE29 = 2000 AV131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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