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JPL Small-Body Database Browser
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1432 Ethiopia (1937 PG)
Classification: Main-belt Asteroid          SPK-ID: 2001432
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2255466709507872 3.7611e-08  
a 2.382071066791089 6.4404e-09 au
q 1.844802867708169 8.9047e-08 au
i 8.270441979751713 3.6708e-06 deg
node 123.2260455519864 2.6201e-05 deg
peri 218.5821012774358 2.7077e-05 deg
M 67.20523688573421 7.0378e-06 deg
tp 2458349.813403847242
(2018-Aug-19.31340385)
2.6253e-05 TDB
period 1342.85925914428
3.68
5.446e-06
1.491e-08
d
yr
n .2680846838926407 1.0872e-09 deg/d
Q 2.91933926587401 7.893e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3040  
   data-arc span      30075 days (82.34 yr)  
   first obs. used      1937-08-01  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41452  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:59:52  

Additional Information
 Earth MOID = .842999 au 
 Jupiter MOID = 2.48615 au 
 T_jup = 3.489 
[ 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 12.0   n/a MPO416720  
diameter diameter 7.074 km 0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 9.8458 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Oey, J. (2008) Minor Planet Bull. 35, 132-135.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
geometric albedo albedo 0.769   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1432 Ethiopia (1937 PG)          Discovered 1937-Aug-01 by Jackson, C. at Johannesburg (UO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1937 PG = 1948 OE = 1951 KF = 1973 FQ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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