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JPL Small-Body Database Browser
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26372 (1999 CW69)
Classification: Main-belt Asteroid          SPK-ID: 2026372
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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1538001025051507 4.9763e-08  
a 2.681038872039876 1.1591e-08 au
q 2.268694818699849 1.3525e-07 au
i 11.7848369650353 5.3448e-06 deg
node 237.0021049589017 2.1157e-05 deg
peri 158.2778230607547 2.517e-05 deg
M 311.4875517593853 1.2664e-05 deg
tp 2458816.574633334872
(2019-Nov-29.07463333)
5.6535e-05 TDB
period 1603.441401570629
4.39
1.0398e-05
2.847e-08
d
yr
n .2245170915802517 1.4559e-09 deg/d
Q 3.093382925379903 1.3373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1358  
   data-arc span      8065 days (22.08 yr)  
   first obs. used      1997-10-30  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47888  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 00:52:41  

Additional Information
 Earth MOID = 1.28022 au 
 Jupiter MOID = 2.32751 au 
 T_jup = 3.329 
[ 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 13.8   n/a MPO358875  
diameter diameter 4.771 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 37.694 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.309   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26372 (1999 CW69)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 CW69 = 1997 WK16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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