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226311 (2003 CX7)
Classification: Main-belt Asteroid          SPK-ID: 2226311
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1728526842762886 6.7392e-08  
a 2.406159536886842 1.9077e-08 au
q 1.99024840213896 1.5312e-07 au
i 3.19854758478857 6.5263e-06 deg
node 103.6001048383916 0.00011327 deg
peri 357.2731594133916 0.00011559 deg
M 160.6967050627891 2.2991e-05 deg
tp 2457991.959443965525
(2017-Aug-26.45944397)
8.4064e-05 TDB
period 1363.279975695904
3.73
1.6213e-05
4.439e-08
d
yr
n .2640690147423557 3.1404e-09 deg/d
Q 2.822070671634725 2.2374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      5605 days (15.35 yr)  
   first obs. used      2002-12-07  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56243  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:31:29  

Additional Information
 Earth MOID = 1.00728 au 
 Jupiter MOID = 2.32823 au 
 T_jup = 3.500 
[ 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 17.0   n/a MPO437073  
rotation period rot_per 6.49 h n/a LCDB (Rev. 2019-January); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

226311 (2003 CX7)          Discovered 2003-Feb-01 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2003 CX7 = 2005 TA55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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