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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1540769120145711 4.9634e-08  
a 2.681799974952978 1.1181e-08 au
q 2.268596516171469 1.3496e-07 au
i 11.7839367250542 5.3267e-06 deg
node 237.002881058048 2.0071e-05 deg
peri 158.2770730600976 2.4171e-05 deg
M 41.27744310203654 1.211e-05 deg
tp 2458816.571814215746
(2019-Nov-29.07181422)
5.3912e-05 TDB
period 1604.124236054359
4.39
1.0032e-05
2.747e-08
d
yr
n .2244215204213153 1.4035e-09 deg/d
Q 3.095003433734487 1.2904e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1497  
   data-arc span      8133 days (22.27 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46377  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:43:43  

Additional Information
 Earth MOID = 1.2807 au 
 Jupiter MOID = 2.32748 au 
 T_jup = 3.329 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456829.5 (2014-Jun-21.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1536889616477271 4.9604e-08  
q 2.270207899336276 1.3476e-07 au
tp 2457206.285851638601
(2015-Jul-02.78585164)
5.472e-05 TDB
node 237.1113660432209 2.0137e-05 deg
peri 157.0447179824446 2.4234e-05 deg
i 11.76077191172297 5.3218e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1497  
   data-arc span      8133 days (22.27 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46377  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:43:43  

Additional Information
 Jupiter MOID = 2.32748 au 
 T_jup = 3.329 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.460599183970416E-15 -6.668521528185313E-15 -2.542501624976456E-13 3.373816806268049E-15 -6.636449828931296E-14 -3.293143816769128E-15
q -6.668521528185313E-15 1.815891554390514E-14 6.217280846206928E-13 -8.102476764301124E-15 1.585375897065848E-13 9.265019271917049E-15
tp -2.542501624976456E-13 6.217280846206928E-13 2.994227815811246E-9 1.551641237461025E-12 7.52062122095387E-10 1.241952724499049E-12
node 3.373816806268049E-15 -8.102476764301124E-15 1.551641237461025E-12 4.054862655527267E-10 -3.964266803715933E-10 -3.243508145850003E-11
peri -6.636449828931296E-14 1.585375897065848E-13 7.52062122095387E-10 -3.964266803715933E-10 5.87301242650016E-10 3.198927361918276E-11
i -3.293143816769128E-15 9.265019271917049E-15 1.241952724499049E-12 -3.243508145850003E-11 3.198927361918276E-11 2.832134973299667E-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 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-August); 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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