1999 NE18

1999NE18, 2000 WV164, 2000WV164, 70141, J99N18E, K00WG4V

All data for this body: [vot]

MPC data
Name (number) 1999 NE18 (70141)
a 2.39306
e 0.16898
i / sin(i) 13.8083 / 0.23867
q 1.98867
Q 2.79744
ω 156.5909
Node 91.3001
m 19.7638
n 0.2662
Epoch 2460800.5
nobs 1738
nopp 20
Years observed 1999-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.393
ep 0.177
sin(ip) 0.219
G 0.150
H 15.590
Mass
D 4.45 0.068
pV 0.097 0.0150
Value
Rotational Period 20.878
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3934 0.1770 0.2193 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.37 1.380 1.380 Masiero 2020PSJ.....1....5M NEATM
4.45 0.068 0.068 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.097 0.0152 0.0152 Masiero 2011ApJ...741...68M NEATM
0.098 0.0970 0.0970 Masiero 2020PSJ.....1....5M 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
15.59 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
20.8783 2 Synodic Pal 2020ApJS..247...26P Lightcurve