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4299 WIYN (1952 QX)
Classification: Main-belt Asteroid          SPK-ID: 2004299
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .171202548744655 3.2208e-08  
a 2.243602865837126 5.7334e-09 au
q 1.859492336834997 7.3198e-08 au
i 5.086325221957561 3.2525e-06 deg
node 104.4007013938059 3.932e-05 deg
peri 272.7713811626918 4.0409e-05 deg
M 91.44164325200308 1.0072e-05 deg
tp 2458888.712336715601
(2020-Feb-09.21233672)
3.3965e-05 TDB
period 1227.488426395104
3.36
4.7052e-06
1.288e-08
d
yr
n .2932817876395384 1.1242e-09 deg/d
Q 2.627713394839254 6.715e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2828  
   data-arc span      24986 days (68.41 yr)  
   first obs. used      1952-08-28  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40682  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:16:59  

Additional Information
 Earth MOID = .868136 au 
 Jupiter MOID = 2.84544 au 
 T_jup = 3.608 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.8   n/a MPO337287  
diameter diameter 7.938 km 0.231 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 26. h n/a LCDB (Rev. 2020-October); 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:
[Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/asteroid/lightcurves.htm]
geometric albedo albedo 0.256   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

4299 WIYN (1952 QX)          Discovered 1952-Aug-28 by Indiana University at Brooklyn
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1952 QX = 1952 SC = 1952 TJ = 1974 DE1 = 1986 WE7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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