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136618 (1994 CN2)
Classification: Apollo [NEO, PHA]          SPK-ID: 2136618
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 180 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3949468841923598 5.965e-07  
a 1.57294509625062 2.1967e-08 au
q .9517153314807865 9.5055e-07 au
i 1.439269327357581 3.05e-06 deg
node 99.33827401628531 0.00049913 deg
peri 248.2562398990875 0.00049764 deg
M 260.8199219213103 0.00021507 deg
tp 2459199.013806789956
(2020-Dec-15.51380679)
0.00043044 TDB
period 720.5577151056876
1.97
1.5094e-05
4.133e-08
d
yr
n .4996129976169876 1.0466e-08 deg/d
Q 2.194174861020454 3.0643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      819  
   data-arc span      9594 days (26.27 yr)  
   first obs. used      1994-02-15  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .59253  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-27 07:02:56  

Additional Information
 Earth MOID = .0125518 au 
 Jupiter MOID = 3.23346 au 
 T_jup = 4.318 
[ 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 16.7   n/a MPO436673  
rotation period rot_per 13.0 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:
[Hasegawa, S.; Kuroda, D.; Kitazato, K.; Kasuga, T.; et al. (2018) Pub. Astron. Soc. Japan 70, A114.]

136618 (1994 CN2)          Discovered 1994-Feb-15 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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