1998 YP9

1998YP9, 2000 DM13, 2000DM13, 70018, J98Y09P, K00D13M

All data for this body: [vot]

MPC data
Name (number) 1998 YP9 (70018)
a 3.15969
e 0.12128
i / sin(i) 4.7621 / 0.08302
q 2.77649
Q 3.54289
ω 243.0978
Node 170.6778
m 158.1615
n 0.1755
Epoch 2460200.5
nobs 1376
nopp 20
Years observed 1998-2023
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.152
ep 0.110
sin(ip) 0.080
Value Standard error
G 0.150
H 14.430
Mass
D 7.55 0.101
pV 0.078 0.0079
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1523 0.1100 0.0799 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.55 0.101 0.101 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.078 0.0079 0.0079 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
14.43 MPC-2023-12-04 MPC-2023-12-04 Phot