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 ]  
1732 Heike (1943 EY)
Classification: Main-belt Asteroid          SPK-ID: 2001732
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1113401168714608 3.8885e-08  
a 3.012872938238718 1.3816e-08 au
q 2.677419313176358 1.207e-07 au
i 10.77597484658122 4.3353e-06 deg
node 155.6160982926895 2.0493e-05 deg
peri 211.6277351533814 2.7004e-05 deg
M 2.04289811254689 1.875e-05 deg
tp 2458589.660384977913
(2019-Apr-16.16038498)
9.9471e-05 TDB
period 1910.159583576276
5.23
1.3139e-05
3.597e-08
d
yr
n .1884659287607761 1.2963e-09 deg/d
Q 3.348326563301078 1.5354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2461  
   data-arc span      41429 days (113.43 yr)  
   first obs. used      1906-03-17  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45087  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:19:47  

Additional Information
 Earth MOID = 1.68043 au 
 Jupiter MOID = 2.10883 au 
 T_jup = 3.213 
[ 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 10.9   n/a MPO324321  
diameter diameter 22.378 km 0.235 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.742 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[King, J.R.; Beaky, M.M. (2010) Minor Planet Bull. 37, 34.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.128   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1732 Heike (1943 EY)          Discovered 1943-Mar-09 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1943 EY = 1934 LC = 1935 TD = 1938 FC = 1938 GB = 1950 NR1 = 1951 WW = 1960 ME = 1961 TU1 = 1966 QJ = 1971 QY1 = A906 FA = A924 PB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-15 00:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin