Yasuhiko

18818, 1991 AN1, 1991AN1, 1999 MB2, 1999MB2, J91A01N, J99M02B

All data for this body: [vot]

MPC data
Name (number) Yasuhiko (18818)
a 2.28598
e 0.13607
i / sin(i) 6.0873 / 0.10604
q 1.97492
Q 2.59703
ω 87.4577
Node 129.8013
m 235.9440
n 0.2852
Epoch 2460800.5
nobs 4019
nopp 22
Years observed 1950-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.285
ep 0.168
sin(ip) 0.101
G 0.150
H 13.810
Mass
D 4.89 0.199
pV 0.204 0.0520
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.8800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2849 0.1677 0.1006 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.89 0.199 0.199 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.204 0.0520 0.0520 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
13.81 MPC-2023-12-04 MPC-2023-12-04 Phot