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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05193361584734819 5.2653e-08  
a 2.765412268101715 1.5665e-08 au
q 2.621794409710576 1.4335e-07 au
i 2.810277888750191 4.2569e-06 deg
node 77.69900432675637 9.7478e-05 deg
peri 142.9485344478024 0.00010518 deg
M 6.743094877712492 3.7786e-05 deg
tp 2459365.037369911655
(2021-May-30.53736991)
0.00017639 TDB
period 1679.72526521033
4.60
1.4273e-05
3.908e-08
d
yr
n .2143207627200404 1.8211e-09 deg/d
Q 2.909030126492853 1.6479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      641  
   data-arc span      10778 days (29.51 yr)  
   first obs. used      1991-12-08  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58293  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:51:03  

Additional Information
 Earth MOID = 1.61423 au 
 Jupiter MOID = 2.05546 au 
 T_jup = 3.336 
[ 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 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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