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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .126296924879902 2.0944e-08  
a 3.07048091098676 1.2769e-08 au
q 2.682688614026692 6.3752e-08 au
i 1.507736818342864 2.7039e-07 deg
node 30.12958832562493 1.3657e-05 deg
peri 296.5389381500178 1.4579e-05 deg
M 129.0520998831487 1.1281e-05 deg
tp 2458496.016859235436
(2019-Jan-12.51685924)
5.9652e-05 TDB
period 1965.205764996305
5.38
1.2259e-05
3.356e-08
d
yr
n .1831869244494491 1.1427e-09 deg/d
Q 3.458273207946828 1.4382e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3546  
   data-arc span      25225 days (69.06 yr)  
   first obs. used      1952-02-26  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4167  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:56:36  

Additional Information
 Earth MOID = 1.66954 au 
 Jupiter MOID = 1.86373 au 
 T_jup = 3.218 
[ 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 11.45   n/a E2021B10  
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 ]
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