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59238 (1999 CN2)
Classification: Main-belt Asteroid          SPK-ID: 2059238
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1703958025102488 4.9986e-08  
a 2.39917386351343 1.5658e-08 au
q 1.990364707678445 1.1734e-07 au
i 1.926725155279906 5.6444e-06 deg
node 141.2119734783077 0.00015781 deg
peri 274.3806782819819 0.00015919 deg
M 314.0513890529375 2.3548e-05 deg
tp 2457773.745074233453
(2017-Jan-20.24507423)
8.9959e-05 JED
period 1357.347380879428
3.72
1.3288e-05
3.638e-08
d
yr
n .2652231883092118 2.5964e-09 deg/d
Q 2.807983019348415 1.8326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      731  
   data-arc span      9059 days (24.80 yr)  
   first obs. used      1990-10-19  
   last obs. used      2015-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53688  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 23:49:34  

Additional Information
 Earth MOID = 1.00154 au 
 Jupiter MOID = 2.53946 au 
 T_jup = 3.506 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5 mag n/a MPO250748  
rotation period rot_per 2.64 h n/a LCDB (Rev. 2016-February); 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.]

59238 (1999 CN2)          Discovered 1999-Feb-05 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CN2 = 1999 DJ9 = 2001 QQ63 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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