1999 NT54

1999NT54, 1998 HE118, 1998HE118, 40396, J98HB8E, J99N54T

All data for this body: [vot]

MPC data
Name (number) 1999 NT54 (40396)
a 2.51995
e 0.11320
i / sin(i) 15.2601 / 0.26320
q 2.23469
Q 2.80521
ω 226.9713
Node 170.2194
m 89.3314
n 0.2464
Epoch 2460800.5
nobs 2192
nopp 21
Years observed 1998-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.520
ep 0.065
sin(ip) 0.259
G 0.150
H 14.510
Mass
D 3.33 0.410
pV 0.366 0.0955
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5197 0.0645 0.2594 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.23 0.743 0.743 Masiero 2011ApJ...741...68M NEATM
3.38 0.491 0.491 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.355 0.1153 0.1153 Masiero 2011ApJ...741...68M NEATM
0.389 0.1707 0.1707 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
14.51 MPC-2023-12-04 MPC-2023-12-04 Phot