1999 NM18

1999NM18, 1981 UL9, 1981UL9, 40357, J81U09L, J99N18M

All data for this body: [vot]

MPC data
Name (number) 1999 NM18 (40357)
a 2.38801
e 0.25384
i / sin(i) 3.5283 / 0.06154
q 1.78182
Q 2.99419
ω 338.6186
Node 25.6008
m 150.9335
n 0.2671
Epoch 2460200.5
nobs 988
nopp 20
Years observed 1981-2023
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.388
ep 0.216
sin(ip) 0.052
Value Standard error
G 0.150
H 15.640
Mass
D
pV
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3882 0.2162 0.0520 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
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
15.64 MPC-2023-12-04 MPC-2023-12-04 Phot