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JPL Small-Body Database Browser
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17251 Vondracek (2000 GA127)
Classification: Main-belt Asteroid          SPK-ID: 2017251
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1691589686806772 2.8793e-08  
a 2.286704204987919 8.4019e-09 au
q 1.899887679994395 6.6577e-08 au
i 7.092547691313969 3.647e-06 deg
node 131.4868227518509 2.483e-05 deg
peri 142.2802336778074 2.7097e-05 deg
M 274.3503320225564 1.0477e-05 deg
tp 2459300.994547038119
(2021-Mar-27.49454704)
3.7237e-05 TDB
period 1263.029261972297
3.46
6.961e-06
1.906e-08
d
yr
n .2850290257233138 1.5709e-09 deg/d
Q 2.673520729981443 9.8231e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2053  
   data-arc span      10703 days (29.30 yr)  
   first obs. used      1990-09-17  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49546  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 00:25:41  

Additional Information
 Earth MOID = .889223 au 
 Jupiter MOID = 2.45586 au 
 T_jup = 3.572 
[ 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 13.9   n/a MPO347659  
diameter diameter 5.203 km 0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.780 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 0.237   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

17251 Vondracek           Discovered 2000 Apr. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Named in honor of Mark Vondracek for mentoring a finalist in the 2002 Intel Science Talent Search, a science competition for high school seniors. Vondracek is a teacher at the Evanston Township High School, Evanston, Illinois.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020227/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 2000 GA127 = 1990 SM10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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