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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1129650037573705 4.9931e-08  
a 3.039850860030483 2.0864e-08 au
q 2.696454096205293 1.5119e-07 au
i 14.43825054563833 5.2073e-06 deg
node 294.3897834431519 2.2776e-05 deg
peri 355.6112875169465 3.441e-05 deg
M 189.8988469104388 2.7481e-05 deg
tp 2459515.206150207784
(2021-Oct-27.70615021)
0.0001498 TDB
period 1935.872909112047
5.30
1.993e-05
5.457e-08
d
yr
n .1859626209476355 1.9145e-09 deg/d
Q 3.383247623855672 2.3221e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1296  
   data-arc span      14744 days (40.37 yr)  
   first obs. used      1979-07-26  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50311  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:05:32  

Additional Information
 Earth MOID = 1.67977 au 
 Jupiter MOID = 1.82298 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-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.; 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

[ show close-approach data ]
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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