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 ]  
2032 Ethel (1970 OH)
Classification: Main-belt Asteroid          SPK-ID: 2002032
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1260917388218771 3.6947e-08  
a 3.068579322976289 1.3986e-08 au
q 2.681656820429351 1.114e-07 au
i 1.508177938576466 3.9705e-06 deg
node 30.1387346123724 0.00014057 deg
peri 296.2705416945301 0.0001414 deg
M 19.36491019449169 1.6232e-05 deg
tp 2458494.886984037240
(2019-Jan-11.38698404)		 8.8435e-05 TDB
period 1963.380432169959
5.38		 1.3423e-05
3.675e-08		 d
yr
n .1833572312840677 1.2536e-09 deg/d
Q 3.455501825523228 1.575e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2875  
   data-arc span      24754 days (67.77 yr)  
   first obs. used      1952-02-26  
   last obs. used      2019-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44045  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:09:21  

Additional Information
 Earth MOID = 1.66951 au 
 Jupiter MOID = 1.86292 au 
 T_jup = 3.219 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456647.5 (2013-Dec-21.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1307424269465629 3.7547e-08  
q 2.665431992687827 1.1405e-07 au
tp 2456524.067516615713
(2013-Aug-19.56751662)		 8.3236e-05 TDB
node 30.12030681848758 0.0001403 deg
peri 295.1621216155754 0.00014107 deg
i 1.51430548825092 3.9667e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2875  
   data-arc span      24754 days (67.77 yr)  
   first obs. used      1952-02-26  
   last obs. used      2019-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44045  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:09:21  

Additional Information
 Jupiter MOID = 1.86292 au 
 T_jup = 3.219 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.409759959323859E-15 -4.259127956116186E-15 6.714391010867779E-13 8.441448898255551E-16 8.285885734720315E-14 1.14490809777786E-16
q -4.259127956116186E-15 1.30071987548153E-14 -2.071854719883199E-12 -4.256795879592014E-15 -2.554937995608168E-13 -2.880152966926893E-16
tp 6.714391010867779E-13 -2.071854719883199E-12 6.928174398131864E-9 -6.537771395628667E-12 1.235299142719337E-9 -1.695155729239725E-13
node 8.441448898255551E-16 -4.256795879592014E-15 -6.537771395628667E-12 1.96853770056372E-8 -1.96792443750617E-8 -4.396512072213472E-11
peri 8.285885734720315E-14 -2.554937995608168E-13 1.235299142719337E-9 -1.96792443750617E-8 1.989961212425116E-8 4.392174118033283E-11
i 1.14490809777786E-16 -2.880152966926893E-16 -1.695155729239725E-13 -4.396512072213472E-11 4.392174118033283E-11 1.573475804689201E-11

[ 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 11.4   n/a MPO358647  
diameter diameter 36.007 km 0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.034   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2032 Ethel (1970 OH)          Discovered 1970-Jul-30 by Smirnova, T. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1970 OH = 1952 DU = 1960 WM = 1965 UG1 = 1971 UD3 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-21 05:30 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin