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JPL Small-Body Database Browser
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17690 (1997 CY2)
Classification: Main-belt Asteroid          SPK-ID: 2017690
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1900093148859699 3.3162e-08  
a 3.114867273532428 1.8007e-08 au
q 2.523013476927802 1.0353e-07 au
i 3.766433145349711 3.8994e-06 deg
node 120.3577702469254 0.00010331 deg
peri 2.046393443412414 0.00010492 deg
M 38.31752766775997 1.7583e-05 deg
tp 2458386.776280122266
(2018-Sep-25.27628012)
9.7801e-05 TDB
period 2007.972430348662
5.50
1.7413e-05
4.767e-08
d
yr
n .1792853300966339 1.5547e-09 deg/d
Q 3.706721070137054 2.1429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1074  
   data-arc span      14386 days (39.39 yr)  
   first obs. used      1979-12-18  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53094  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:32:25  

Additional Information
 Earth MOID = 1.53913 au 
 Jupiter MOID = 1.37881 au 
 T_jup = 3.186 
[ 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 14.0   n/a MPO309292  
diameter diameter 9.750 km 0.735 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 20. h n/a LCDB (Rev. 2019-January); Warner et al., 2009 lower-limit; 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 0.047   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17690 (1997 CY2)          Discovered 1997-Feb-03 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 CY2 = 1979 YA7 = 1995 VU13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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