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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 | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05226346520321141 5.508e-08  
a 2.766482200722857 2.0949e-08 au
q 2.621896254490074 1.5415e-07 au
i 2.810222867574208 4.8416e-06 deg
node 77.70549046666815 0.00011164 deg
peri 142.7150614118092 0.00012345 deg
M 282.1285697249294 5.5451e-05 deg
tp 2459364.051464236229
(2021-May-29.55146424)
0.00026021 TDB
period 1680.700183144593
4.60
1.9091e-05
5.227e-08
d
yr
n .2141964424174925 2.433e-09 deg/d
Q 2.91106814695564 2.2044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      10360 days (28.36 yr)  
   first obs. used      1991-12-08  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61599  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 00:50:02  

Additional Information
 Earth MOID = 1.6139 au 
 Jupiter MOID = 2.05549 au 
 T_jup = 3.335 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO453998  
rotation period rot_per 10.709 h n/a LCDB (Rev. 2019-August); 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

[ show close-approach data ]
Alternate Designations
 2002 CW38 = 2002 AN153 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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