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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1542025295608653 4.2884e-08  
a 2.681997058008871 1.0227e-08 au
q 2.268426327389104 1.1488e-07 au
i 11.78308405879505 4.2713e-06 deg
node 236.9963472891581 1.9625e-05 deg
peri 158.2865354920206 2.3314e-05 deg
M 86.14284825181548 1.1876e-05 deg
tp 2458816.613712692938
(2019-Nov-29.11371269)
5.2625e-05 TDB
period 1604.301067763101
4.39
9.1766e-06
2.512e-08
d
yr
n .2243967838916625 1.2835e-09 deg/d
Q 3.095567788628638 1.1804e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1771  
   data-arc span      8537 days (23.37 yr)  
   first obs. used      1997-10-30  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45188  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 05:16:53  

Additional Information
 Earth MOID = 1.27952 au 
 Jupiter MOID = 2.32793 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 13.82   n/a E2021B10  
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 24. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
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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