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65191 (2002 CR257)
Classification: Main-belt Asteroid          SPK-ID: 2065191
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1820301379219583 4.8503e-08  
a 3.164958423742005 2.3858e-08 au
q 2.588840605350984 1.5686e-07 au
i .350899983670205 5.4772e-06 deg
node 163.1059587687521 0.00073073 deg
peri 178.5533110034489 0.00073083 deg
M 226.5326004284896 1.3573e-05 deg
tp 2459762.970664169019
(2022-Jul-02.47066417)
8.2004e-05 TDB
period 2056.602885664064
5.63
2.3254e-05
6.367e-08
d
yr
n .1750459471342025 1.9793e-09 deg/d
Q 3.741076242133027 2.8201e-08 au
  Orbit Determination Parameters
   # obs. used (total)      578  
   data-arc span      9244 days (25.31 yr)  
   first obs. used      1994-10-08  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56186  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:35:45  

Additional Information
 Earth MOID = 1.58065 au 
 Jupiter MOID = 1.66561 au 
 T_jup = 3.178 
[ 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 14.8   n/a MPO468574  
diameter diameter 6.849 km 0.376 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.46 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:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
geometric albedo albedo 0.034   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65191 (2002 CR257)          Discovered 2002-Feb-06 by Buie, M. W. at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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