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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 147 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3947871322225286 6.6139e-07  
a 1.573058376606002 2.4958e-08 au
q .9520351712870921 1.0545e-06 au
i 1.439177186561376 4.4156e-06 deg
node 99.33838563344614 0.0006606 deg
peri 248.2655725479076 0.00066106 deg
M 60.97024368846795 0.00030688 deg
tp 2458478.451873689948
(2018-Dec-25.95187369)
0.0006141 TDB
period 720.6355561922916
1.97
1.715e-05
4.695e-08
d
yr
n .4995590307841249 1.1889e-08 deg/d
Q 2.194081581924912 3.4811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      670  
   data-arc span      8845 days (24.22 yr)  
   first obs. used      1994-02-15  
   last obs. used      2018-05-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .61731  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-06 06:55:29  

Additional Information
 Earth MOID = .0125443 au 
 Jupiter MOID = 3.22998 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-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:
[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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