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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 151 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3949469306928869 6.0811e-07  
a 1.572945094387376 2.2126e-08 au
q .9517152572106489 9.6888e-07 au
i 1.43926857738771 4.3781e-06 deg
node 99.33815812904685 0.00064832 deg
peri 248.2564099295486 0.00064858 deg
M 260.8198142774459 0.00030169 deg
tp 2459199.014021891721
(2020-Dec-15.51402189)
0.00060396 TDB
period 720.5577138253744
1.97
1.5204e-05
4.163e-08
d
yr
n .4996129985047182 1.0542e-08 deg/d
Q 2.194174931564104 3.0865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      682  
   data-arc span      9479 days (25.95 yr)  
   first obs. used      1994-02-15  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .61409  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 14:29:05  

Additional Information
 Earth MOID = .0125519 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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