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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2260107360049477 1.7585e-08  
a 2.381352442445345 6.0523e-09 au
q 1.843141224241093 4.0906e-08 au
i 8.271614798626731 1.3742e-06 deg
node 123.2259001552729 4.8376e-06 deg
peri 218.5972945036666 6.8969e-06 deg
M 228.0415442970253 4.2008e-06 deg
tp 2459692.504035277252
(2022-Apr-23.00403528)
1.6556e-05 TDB
period 1342.251633335976
3.67
5.1171e-06
1.401e-08
d
yr
n .2682060435309518 1.0225e-09 deg/d
Q 2.919563660649597 7.4202e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3632  
   data-arc span      30546 days (83.63 yr)  
   first obs. used      1937-08-01  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39263  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:29:13  

Additional Information
 Earth MOID = .840405 au 
 Jupiter MOID = 2.48984 au 
 T_jup = 3.489 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.12   n/a MPCxxxxx  
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. 2020-October); 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.]
[McNeill, A.; Mommert, M.; Trilling, D.E.; Llama, J.; Skiff, B. (2019) Ap. J. Suppl. Series 245, id.29.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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

Alternate Designations
 1937 PG = 1948 OE = 1951 KF = 1973 FQ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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