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11655 (1997 CC29)
Classification: Main-belt Asteroid          SPK-ID: 2011655
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08907223719811388 3.552e-08  
a 3.166983216069645 1.6707e-08 au
q 2.884892935845444 1.0831e-07 au
i .09291638250822409 3.5825e-06 deg
node 67.52460436436058 0.0024548 deg
peri 80.92142315381444 0.0024549 deg
M 52.90882709272585 2.0909e-05 deg
tp 2458697.953103212057
(2019-Aug-02.45310321)
0.00011938 TDB
period 2058.576778743861
5.64
1.6289e-05
4.46e-08
d
yr
n .1748781020544063 1.3838e-09 deg/d
Q 3.449073496293845 1.8195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1840  
   data-arc span      10780 days (29.51 yr)  
   first obs. used      1991-01-12  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50284  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:58:08  

Additional Information
 Earth MOID = 1.89626 au 
 Jupiter MOID = 1.5477 au 
 T_jup = 3.197 
[ 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 13.4   n/a MPO435810  
rotation period rot_per 16.793 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

11655 (1997 CC29)          Discovered 1997-Feb-07 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 CC29 = 1992 HE6 = 1993 OD12 = 1998 KH39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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