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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2258236278016549 3.705e-08  
a 2.381746556661702 6.1922e-09 au
q 1.843891908732257 8.7448e-08 au
i 8.271520127969149 3.6464e-06 deg
node 123.2254477744671 2.3151e-05 deg
peri 218.5780663237687 2.3891e-05 deg
M 174.4299964241101 6.7049e-06 deg
tp 2458349.980353955159
(2018-Aug-19.48035396)
2.466e-05 TDB
period 1342.584861417638
3.68
5.2358e-06
1.433e-08
d
yr
n .2681394750867929 1.0457e-09 deg/d
Q 2.919601204591147 7.5905e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3429  
   data-arc span      30274 days (82.89 yr)  
   first obs. used      1937-08-01  
   last obs. used      2020-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39861  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:19:03  

Additional Information
 Earth MOID = .84299 au 
 Jupiter MOID = 2.48932 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-August); 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

[ 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
1996-Dec-06 12:29 < 00:01 Juno 0.0429081452372039 0.0429074010016355 0.0429088894805614 6.55437733179095 6.55437728853212 2450424.019842579 0.202293240756124 62.627870679838 30.4539695071384 67.2248555016735 198275.398787882 T 36 CATAB v2.0f-lin.ifort 2020-Nov-13 04:19:12 2020-Nov-13 04:19

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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