Ethiopia

01432, 1937 PG, 1937PG, 1948 OE, 1948OE, 1951 KF, 1951KF, 1973 FQ1, 1973FQ1, J37P00G, J48O00E, J51K00F, J73F01Q

All data for this body: [vot]

MPC data
Name (number) Ethiopia (1432)
a 2.38213
e 0.22559
i / sin(i) 8.2688 / 0.14382
q 1.84474
Q 2.91952
ω 218.4628
Node 123.1960
m 297.3138
n 0.2681
Epoch 2460800.5
nobs 5939
nopp 41
Years observed 1937-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.382
ep 0.184
sin(ip) 0.127
G 0.150
H 12.030
Mass
D 7.02 0.038
pV 0.767 0.0438
Value
Rotational Period 9.845
Period quality 3
Spectral Class X
Spectral Class Score 7.825
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3817 0.1838 0.1269 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.89 0.080 0.080 Masiero 2011ApJ...741...68M NEATM
6.93 0.090 0.090 Masiero 2014ApJ...791..121M NEATM
7.07 0.080 0.080 Masiero 2014ApJ...791..121M NEATM
7.12 0.063 0.063 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.737 0.1780 0.1780 Masiero 2011ApJ...741...68M NEATM
0.740 0.1300 0.1300 Masiero 2014ApJ...791..121M NEATM
0.770 0.0600 0.0600 Masiero 2014ApJ...791..121M NEATM
0.778 0.0809 0.0809 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.03 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.839 2 Synodic McNeill 2019ApJS..245...29M Lightcurve
9.84425 2 Sidereal Hanus 2013A&A...551A..67H Model
9.84425 2 Sidereal Martikainen 2021A&A...649A..98M Model
9.8458 3 Synodic Oey 2008MPBu...35..132O Lightcurve
9.84737 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C Tholen VIS Lazzaro 2004Icar..172..179L SPEC
Cg Bus VIS Lazzaro 2004Icar..172..179L SPEC
P C 0.800000 0.190000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X 0.99 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.4377 0.4990 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.5365 0.4990 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT