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52646 (1997 YC)
Classification: Main-belt Asteroid          SPK-ID: 2052646
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1171949165349423 3.9346e-08  
a 2.695957036468188 1.2451e-08 au
q 2.380004576597509 1.0524e-07 au
i 5.932759505530178 3.8412e-06 deg
node 267.2504210549806 4.4218e-05 deg
peri 112.4876236995038 4.7862e-05 deg
M 77.77083194481459 1.7802e-05 deg
tp 2458651.213241965989
(2019-Jun-16.71324197)
7.9722e-05 TDB
period 1616.843098470004
4.43
1.1201e-05
3.067e-08
d
yr
n .2226561132250018 1.5424e-09 deg/d
Q 3.011909496338868 1.391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1195  
   data-arc span      9984 days (27.33 yr)  
   first obs. used      1992-09-28  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53997  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:32:22  

Additional Information
 Earth MOID = 1.39046 au 
 Jupiter MOID = 2.46291 au 
 T_jup = 3.352 
[ 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 14.6   n/a MPO263766  
diameter diameter 6.411 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 14.491 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.062   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

52646 (1997 YC)          Discovered 1997-Dec-18 by Kobayashi, T. at Oizumi
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 YC = 2001 QJ136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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