Yasuhiko

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

All data for this body: [vot]

MPC data
Name (number) Yasuhiko (18818)
a 2.28435
e 0.13712
i / sin(i) 6.0864 / 0.10603
q 1.97113
Q 2.59758
ω 87.3839
Node 129.8487
m 64.7543
n 0.2855
Epoch 2460200.5
nobs 3301
nopp 21
Years observed 1950-2023
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.285
ep 0.168
sin(ip) 0.101
Value Standard error
G 0.150
H 13.790
Mass
D 4.89 0.199
pV 0.204 0.0520
Rotational Period
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-Oct-2022
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
13.79 MPC-2023-12-04 MPC-2023-12-04 Phot