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59238 (1999 CN2)
Classification: Main-belt Asteroid          SPK-ID: 2059238
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1694366286082186 3.6794e-08  
a 2.400603938646036 8.5862e-09 au
q 1.993853700658241 8.9005e-08 au
i 1.926841981172057 4.1454e-06 deg
node 141.1347736951369 0.000126 deg
peri 274.8393045189065 0.00012676 deg
M 218.7645462981805 1.4079e-05 deg
tp 2459133.491676580432
(2020-Oct-10.99167658)
5.4283e-05 TDB
period 1358.561172423832
3.72
7.2887e-06
1.996e-08
d
yr
n .2649862275673005 1.4217e-09 deg/d
Q 2.807354176633832 1.0041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      954  
   data-arc span      10093 days (27.63 yr)  
   first obs. used      1990-10-19  
   last obs. used      2018-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56221  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 01:30:53  

Additional Information
 Earth MOID = 1.00631 au 
 Jupiter MOID = 2.53342 au 
 T_jup = 3.506 
[ 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 15.5   n/a MPO250748  
diameter diameter 1.962 km 0.696 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.64 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.220   0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59238 (1999 CN2)          Discovered 1999-Feb-05 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CN2 = 1999 DJ9 = 2001 QQ63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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