1999 YG18

1999YG18, 1998 MR19, 1998MR19, 45258, J98M19R, J99Y18G

All data for this body: [vot]

MPC data
Name (number) 1999 YG18 (45258)
a 2.54717
e 0.17092
i / sin(i) 24.4228 / 0.41347
q 2.11179
Q 2.98254
ω 230.5329
Node 175.5382
m 317.3398
n 0.2424
Epoch 2460200.5
nobs 2748
nopp 20
Years observed 1998-2023
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.548
ep 0.128
sin(ip) 0.421
Value Standard error
G 0.150
H 14.190
Mass
D 6.43 0.214
pV 0.100 0.0225
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5476 0.1281 0.4209 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.41 0.217 0.217 Masiero 2011ApJ...741...68M NEATM
6.91 2.000 2.000 Masiero 2021PSJ.....2..162M NEATM
7.14 2.338 2.338 Masiero 2017AJ....154..168M NEATM
7.57 2.030 2.030 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.071 0.0290 0.0490 Masiero 2021PSJ.....2..162M NEATM
0.085 0.0380 0.0690 Masiero 2021PSJ.....2..162M NEATM
0.109 0.0615 0.0615 Masiero 2017AJ....154..168M NEATM
0.130 0.0375 0.0375 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
14.19 MPC-2023-12-04 MPC-2023-12-04 Phot