Megumi

03774, 1931BG, 1933OA, 1974FW1, 1974HO3, 1976YL6, 1986TH1, 1987YC, J31B00G, J33O00A, J74F01W, J74H03O, J76Y06L, J86T01H, J87Y00C

All data for this body: [vot]

MPC data
Name (number) Megumi (3774)
Packed designation 03774
a 3.00780
e 0.05096
i / sin(i) 9.2042 / 0.15995
q 2.85454
Q 3.16107
ω 278.4434
Node 292.0716
m 95.4529
n 0.1889
Epoch 2459600.5
nobs 2918
nopp 29
Years observed 1931-2021
rms 0.52
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.005
ep 0.085
sin(ip) 0.181
Value Standard error
G 0.150
H 11.270
Mass
D 18.98 0.111
pV 0.137 0.0110
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos -0.7900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0052 0.0851 0.1808 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
18.25 0.150 0.150 Masiero 2014ApJ...791..121M NEATM
19.18 0.250 0.250 Masiero 2014ApJ...791..121M NEATM
19.68 0.317 0.317 Masiero 2011ApJ...741...68M NEATM
20.15 4.030 4.030 Ali-Lagoa 2018A&A...612A..85A NEATM
20.88 0.307 0.307 Masiero 2011ApJ...741...68M NEATM
21.53 1.340 1.340 Usui 2011PASJ...63.1117U NEATM
24.08 4.820 4.820 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.111 0.0440 0.0440 Ali-Lagoa 2018A&A...612A..85A NEATM
0.123 0.0225 0.0225 Masiero 2011ApJ...741...68M NEATM
0.138 0.0158 0.0158 Masiero 2011ApJ...741...68M NEATM
0.140 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM
0.158 0.0630 0.0630 Ali-Lagoa 2018A&A...612A..85A NEATM
0.160 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.27 MPC-2022-01-18 MPC-2022-01-18 Phot