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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262910814287164 3.6725e-08  
a 3.069859480287432 1.3885e-08 au
q 2.682163606687735 1.1062e-07 au
i 1.507847048420767 3.9569e-06 deg
node 30.13649413899946 0.00013806 deg
peri 296.4311845073478 0.00013889 deg
M 92.52348641274929 1.6184e-05 deg
tp 2458495.576411446397
(2019-Jan-12.07641145)
8.7867e-05 TDB
period 1964.609191966742
5.38
1.3329e-05
3.649e-08
d
yr
n .183242550972496 1.2432e-09 deg/d
Q 3.457555353887129 1.5638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2998  
   data-arc span      24816 days (67.94 yr)  
   first obs. used      1952-02-26  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43721  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:11:17  

Additional Information
 Earth MOID = 1.67094 au 
 Jupiter MOID = 1.86423 au 
 T_jup = 3.218 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456701.5 (2014-Feb-13.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .130681100474235 3.7312e-08  
q 2.665404771875393 1.1316e-07 au
tp 2456523.997483010975
(2013-Aug-19.49748301)
8.3031e-05 TDB
node 30.11969564869226 0.00013777 deg
peri 295.1467771424453 0.00013854 deg
i 1.514343827273199 3.9536e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2998  
   data-arc span      24816 days (67.94 yr)  
   first obs. used      1952-02-26  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43721  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:11:17  

Additional Information
 Jupiter MOID = 1.86423 au 
 T_jup = 3.218 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.392187115224592E-15 -4.199736231557536E-15 6.943521650687605E-13 1.488884249373159E-15 8.558824911249087E-14 1.076759949720067E-16
q -4.199736231557536E-15 1.280563868890761E-14 -2.152097277413428E-12 -6.247224818602169E-15 -2.652905176542039E-13 -2.655070076564093E-16
tp 6.943521650687605E-13 -2.152097277413428E-12 6.894081073698046E-9 -4.636993674154353E-12 1.228538843498897E-9 -1.898639302032531E-13
node 1.488884249373159E-15 -6.247224818602169E-15 -4.636993674154353E-12 1.898009882570599E-8 -1.897387005649895E-8 -3.674401769146312E-11
peri 8.558824911249087E-14 -2.652905176542039E-13 1.228538843498897E-9 -1.897387005649895E-8 1.919341811820132E-8 3.669952138975196E-11
i 1.076759949720067E-16 -2.655070076564093E-16 -1.898639302032531E-13 -3.674401769146312E-11 3.669952138975196E-11 1.56311681692165E-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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1909-Feb-20 19:46 00:02 Jupiter 1.97151827889771 1.9715175464431 1.97151901135299 2.53700857078667 2.36159975087773 2418358.323265891 2.11809853472986 93.5344709430272 11.6312588209782 -79.9155604865306 2767338.76379511 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 16:11:30 2020-Feb-22 16:11
1918-Oct-16 21:50 00:02 Jupiter 1.86903057640184 1.86903023124376 1.86903092155991 2.61146282862371 2.43174048743385 2421883.409611716 1.96884749965508 36.5093959337579 7.03734767623868 -86.5132343609612 2737229.27776298 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 16:11:30 2020-Feb-22 16:11
1968-Jan-03 09:36 < 00:01 Jupiter 1.91193018932932 1.91192975212245 1.91193062653609 2.36556902122924 2.17022524811693 2439858.899743221 0.935955608127653 52.4855529091231 7.55863581022591 -85.0188772138894 2982094.77609996 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 16:11:30 2020-Feb-22 16:11
1977-Aug-26 14:29 < 00:01 Jupiter 1.91535924339912 1.91535891167883 1.91535957511929 2.9673944191776 2.81442298561665 2443382.103126775 0.745166438240527 35.1358794646235 9.61277819758692 -85.7249828080724 3761943.85751786 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 16:11:30 2020-Feb-22 16:11
2026-Nov-13 05:19 < 00:01 Jupiter 1.87378486575535 1.87378453447179 1.87378519703892 2.30060114278695 2.09491981428964 2461357.721575589 0.337277688392202 43.5157453621152 3.89755879405585 -88.3593214724647 3398980.46811917 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 16:11:30 2020-Feb-22 16:11
2036-Jul-08 17:07 < 00:01 Jupiter 1.97739248461134 1.97739210150263 1.97739286772006 3.42277940621488 3.29525603631901 2464883.213232070 0.493196799698429 33.6744403327129 13.3301007143153 -81.5682115662079 3706696.00490633 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 16:11:30 2020-Feb-22 16:11
2085-Sep-22 09:54 00:02 Jupiter 1.8616362458068 1.86163592317671 1.8616365684369 2.35479225126797 2.15292130743449 2482855.912584537 1.52784135461975 50.1314092146519 4.365810879897 -85.5951389458225 3353620.8816321 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 16:11:30 2020-Feb-22 16:11
2144-Aug-02 20:37 00:03 Jupiter 1.87569598304787 1.87569553930913 1.8756964267865 2.5336729183452 2.34868963823663 2504354.359354531 2.74840074581727 43.9161819037923 5.55230100491528 -86.4442343184186 2230936.36560155 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 16:11:30 2020-Feb-22 16:11
2193-Oct-17 20:04 00:04 Jupiter 1.94444930715899 1.94444851161788 1.94445010270329 2.43097819615187 2.24464563123419 2522327.336100528 3.71972980212705 160.854604061009 8.67763898364444 -82.6701447918391 3018829.38630849 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 16:11:30 2020-Feb-22 16:11

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-May-29 16:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin