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154026 (2002 CW38)
Classification: Main-belt Asteroid          SPK-ID: 2154026
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0521120920516783 5.283e-08  
a 2.765976686613956 1.5997e-08 au
q 2.621835854908333 1.4415e-07 au
i 2.810197560397726 4.3e-06 deg
node 77.70118284165798 0.00010119 deg
peri 142.8484568278458 0.00010889 deg
M 324.8363322280813 3.8989e-05 deg
tp 2459364.620513528479
(2021-May-30.12051353)
0.00018162 TDB
period 1680.239537396493
4.60
1.4576e-05
3.991e-08
d
yr
n .21425516540208 1.8587e-09 deg/d
Q 2.910117518319578 1.683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      606  
   data-arc span      10737 days (29.40 yr)  
   first obs. used      1991-12-08  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59181  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:43:18  

Additional Information
 Earth MOID = 1.61261 au 
 Jupiter MOID = 2.05538 au 
 T_jup = 3.336 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457606.5 (2016-Aug-06.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0533296394130026 5.2795e-08  
q 2.619315317860257 1.4441e-07 au
tp 2457681.070613471575
(2016-Oct-19.57061347)
0.00018098 TDB
node 77.71523309432588 0.0001012 deg
peri 142.183490206598 0.00010853 deg
i 2.810148456981861 4.2995e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      606  
   data-arc span      10737 days (29.40 yr)  
   first obs. used      1991-12-08  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59181  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:43:18  

Additional Information
 Jupiter MOID = 2.05538 au 
 T_jup = 3.336 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.787350856445708E-15 -7.584269462765769E-15 -1.935302894377227E-12 -2.10433013063378E-14 -3.121488652490783E-13 -1.359154110986621E-15
q -7.584269462765769E-15 2.085508298727347E-14 4.540241728441647E-12 5.761262762882204E-14 6.871535790999314E-13 3.70402560650523E-15
tp -1.935302894377227E-12 4.540241728441647E-12 3.275459456595387E-8 -2.312159370357106E-11 7.124237075544974E-9 3.284493669065898E-12
node -2.10433013063378E-14 5.761262762882204E-14 -2.312159370357106E-11 1.024058836483036E-8 -1.02336661618712E-8 -1.428388505226119E-10
peri -3.121488652490783E-13 6.871535790999314E-13 7.124237075544974E-9 -1.02336661618712E-8 1.177880210923748E-8 1.433453196717738E-10
i -1.359154110986621E-15 3.70402560650523E-15 3.284493669065898E-12 -1.428388505226119E-10 1.433453196717738E-10 1.848553231826213E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.59   n/a E2021B55  
rotation period rot_per 10.709 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

154026 (2002 CW38)          Discovered 2002-Feb-07 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 2002 CW38 = 2002 AN153 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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