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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 195 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3949334928810463 4.6079e-07  
a 1.572983412860294 1.8796e-08 au
q .9517595793754293 7.3568e-07 au
i 1.439267645360595 3.008e-06 deg
node 99.3389585977237 0.00049053 deg
peri 248.2446598319696 0.00049031 deg
M .7478844569093933 4.9159e-05 deg
tp 2459199.003017759538
(2020-Dec-15.50301776)
9.8414e-05 TDB
period 720.5840442162095
1.97
1.2916e-05
3.536e-08
d
yr
n .4995947424725143 8.9546e-09 deg/d
Q 2.194207246345159 2.6219e-08 au
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      9909 days (27.13 yr)  
   first obs. used      1994-02-15  
   last obs. used      2021-04-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57794  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-18 06:26:13  

Additional Information
 Earth MOID = .0123229 au 
 Jupiter MOID = 3.23408 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 16.78   n/a E2021B55  
rotation period rot_per 13.0 h n/a LCDB (Rev. 2020-October); 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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