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
JPL Small-Body Database Browser
Search: [ help ]  
1024 Hale (A923 YO13)
Classification: Main-belt Asteroid          SPK-ID: 2001024
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2215447981842528 3.4043e-08  
a 2.868660129876963 9.8785e-09 au
q 2.233123400344159 9.8673e-08 au
i 16.06816600562812 3.866e-06 deg
node 58.81971885634044 1.3091e-05 deg
peri 307.8537956645295 1.5204e-05 deg
M 335.9646820877861 7.5658e-06 deg
tp 2459118.985291971953
(2020-Sep-26.48529197)
3.734e-05 TDB
period 1774.667814492584
4.86
9.1669e-06
2.51e-08
d
yr
n .202854865040155 1.0478e-09 deg/d
Q 3.504196859409768 1.2067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3099  
   data-arc span      33560 days (91.88 yr)  
   first obs. used      1928-12-08  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38907  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:23:19  

Additional Information
 Earth MOID = 1.2721 au 
 Jupiter MOID = 2.08104 au 
 T_jup = 3.205 
[ 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 10.8   n/a MPO492762  
diameter diameter 43.274 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 16.0 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Alkema, M.S. (2013) Minor Planet Bull. 40, 133-137.]
geometric albedo albedo 0.045   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B Ch   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)

1024 Hale (A923 YO13)          Discovered 1923-Dec-02 by Van Biesbroeck, G. at Williams Bay
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A923 YO13 = 2019 GN23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-29 10:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin