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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 159 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3949469530807337 6.0155e-07  
a 1.572945093727023 2.2048e-08 au
q .951715221596246 9.5854e-07 au
i 1.43926844880874 4.1811e-06 deg
node 99.33814202033153 0.00063488 deg
peri 248.2564183350115 0.00063454 deg
M 260.8198321305178 0.00025324 deg
tp 2459199.013986032909
(2020-Dec-15.51398603)
0.00050682 TDB
period 720.5577133716178
1.97
1.515e-05
4.148e-08
d
yr
n .4996129988193395 1.0505e-08 deg/d
Q 2.194174965857799 3.0756e-08 au
  Orbit Determination Parameters
   # obs. used (total)      719  
   data-arc span      9545 days (26.13 yr)  
   first obs. used      1994-02-15  
   last obs. used      2020-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .60888  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-05 06:26:10  

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

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