Africa

01193, 1931 HB, 1931HB, J31H00B

All data for this body: [vot]

MPC data
Name (number) Africa (1193)
a 2.65002
e 0.12207
i / sin(i) 14.1467 / 0.24441
q 2.32653
Q 2.97350
ω 185.1151
Node 49.4796
m 151.3957
n 0.2285
Epoch 2460200.5
nobs 5196
nopp 33
Years observed 1931-2023
rms 0.45
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.647
ep 0.155
sin(ip) 0.227
Value Standard error
G 0.150
H 11.870
Mass
D 12.43 0.082
pV 0.226 0.0269
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 502 Eunomia 0.0700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6469 0.1551 0.2272 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
12.22 0.100 0.100 Masiero 2014ApJ...791..121M NEATM
12.82 0.146 0.146 Masiero 2011ApJ...741...68M NEATM
14.16 0.970 0.970 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
0.184 0.0530 0.0530 Masiero 2012ApJ...759L...8M NEATM
0.227 0.0502 0.0502 Masiero 2011ApJ...741...68M NEATM
0.250 0.0400 0.0400 Masiero 2014ApJ...791..121M 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
11.87 MPC-2023-12-04 MPC-2023-12-04 Phot