Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
4299 WIYN (1952 QX)
Classification: Main-belt Asteroid          SPK-ID: 2004299
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1710881405508566 3.6873e-08  
a 2.24327966564395 6.3116e-09 au
q 1.859481118913379 8.4621e-08 au
i 5.086458748946378 3.3281e-06 deg
node 104.4008049476685 4.3857e-05 deg
peri 272.7433702707631 4.4873e-05 deg
M 32.81647073120209 1.0031e-05 deg
tp 2458888.630182818797
(2020-Feb-09.13018282)
3.4074e-05 TDB
period 1227.223198835372
3.36
5.1793e-06
1.418e-08
d
yr
n .2933451717190793 1.238e-09 deg/d
Q 2.62707821237452 7.3914e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2537  
   data-arc span      24622 days (67.41 yr)  
   first obs. used      1952-08-28  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41899  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:09:29  

Additional Information
 Earth MOID = .869501 au 
 Jupiter MOID = 2.84493 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. 2019-August); 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-07 20:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin