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JPL Small-Body Database Browser
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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 ]

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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .126091724800786 4.0173e-08  
a 3.068579329509301 1.5833e-08 au
q 2.681656869163434 1.2419e-07 au
i 1.508177984805583 3.9865e-06 deg
node 30.13882743228016 0.0001684 deg
peri 296.2704534674506 0.00016915 deg
M 19.36490320090217 1.814e-05 deg
tp 2458494.887021841845
(2019-Jan-11.38702184)
9.8678e-05 TDB
period 1963.380438440021
5.38
1.5196e-05
4.16e-08
d
yr
n .1833572306985158 1.4191e-09 deg/d
Q 3.455501789855169 1.783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2634  
   data-arc span      24645 days (67.47 yr)  
   first obs. used      1952-02-26  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45309  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:21:51  

Additional Information
 Earth MOID = 1.66951 au 
 Jupiter MOID = 1.86292 au 
 T_jup = 3.219 
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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

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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 ]
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