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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1543426644951782 4.1615e-08  
a 2.681731623950416 1.0048e-08 au
q 2.267826019648928 1.1103e-07 au
i 11.78348507244577 3.9709e-06 deg
node 236.9870766447085 1.9622e-05 deg
peri 158.2719882026379 2.3192e-05 deg
M 130.1399364881991 1.1855e-05 deg
tp 2458816.631541025199
(2019-Nov-29.13154103)
5.2273e-05 TDB
period 1604.062910003478
4.39
9.0155e-06
2.468e-08
d
yr
n .2244301004374071 1.2614e-09 deg/d
Q 3.095637228251905 1.1599e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1861  
   data-arc span      8613 days (23.58 yr)  
   first obs. used      1997-10-30  
   last obs. used      2021-05-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44571  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:17:09  

Additional Information
 Earth MOID = 1.27933 au 
 Jupiter MOID = 2.32905 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 13.85   n/a MPCxxxxx  
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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