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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1815490089672411 4.8589e-08  
a 3.166207269985562 2.4055e-08 au
q 2.591385477934809 1.571e-07 au
i .3508769731569652 5.4885e-06 deg
node 163.106053792835 0.00074315 deg
peri 178.5566597017242 0.00074325 deg
M 156.5194182010105 1.3291e-05 deg
tp 2457705.808804297557
(2016-Nov-13.30880430)
7.2333e-05 TDB
period 2057.820263804176
5.63
2.3451e-05
6.421e-08
d
yr
n .1749423923615605 1.9936e-09 deg/d
Q 3.741029062036315 2.8422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      574  
   data-arc span      8916 days (24.41 yr)  
   first obs. used      1994-10-08  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56362  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:04:37  

Additional Information
 Earth MOID = 1.58227 au 
 Jupiter MOID = 1.66214 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-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.; 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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