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JPL Small-Body Database Browser
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15941 Stevegauthier (1997 YX15)
Classification: Main-belt Asteroid          SPK-ID: 2015941
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1132616552043239 4.5741e-08  
a 3.038594041565568 1.9891e-08 au
q 2.694437850923856 1.4064e-07 au
i 14.43969941140129 5.0325e-06 deg
node 294.3930832750206 2.1801e-05 deg
peri 355.7804697016471 3.3653e-05 deg
M 264.1276258122263 2.7555e-05 deg
tp 2459515.726783578142
(2021-Oct-28.22678358)
0.00014928 TDB
period 1934.672460753403
5.30
1.8997e-05
5.201e-08
d
yr
n .1860780092252971 1.8271e-09 deg/d
Q 3.382750232207281 2.2144e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1372  
   data-arc span      14802 days (40.53 yr)  
   first obs. used      1979-07-26  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49477  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:31:09  

Additional Information
 Earth MOID = 1.67842 au 
 Jupiter MOID = 1.82563 au 
 T_jup = 3.183 
[ 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 13.0   n/a MPO435847  
diameter diameter 14.887 km 0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.90 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.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.043   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15941 Stevegauthier           Discovered 1997 Dec. 29 by Spacewatch at Kitt Peak.
Steven Maurice Gauthier (b. 1957) is a Canadian amateur astronomer who studied data processing at Conestoga College. A participant in the Puckett Observatory Supernova Search, he discovered supernovae 2000fd, 2002bu, and 2002bz. The name was suggested by R. Jedicke and P. Jedicke.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050523/MPCPages.arcLast Updated: 2005-07-21

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Alternate Designations
 1997 YX15 = 1979 OD12 = 1995 LP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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