1998 SX138

1998SX138, 44411, J98SD8X

All data for this body: [vot]

MPC data
Name (number) 1998 SX138 (44411)
a 2.69503
e 0.12655
i / sin(i) 17.1084 / 0.29418
q 2.35398
Q 3.03608
ω 136.6016
Node 207.1557
m 32.5987
n 0.2228
Epoch 2460800.5
nobs 1238
nopp 19
Years observed 1997-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.695
ep 0.075
sin(ip) 0.302
G 0.150
H 15.010
Mass
D 6.80 0.091
pV 0.047 0.0015
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6952 0.0746 0.3019 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.24 2.080 2.080 Masiero 2021PSJ.....2..162M NEATM
6.27 0.158 0.158 Masiero 2011ApJ...741...68M NEATM
7.06 0.111 0.111 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.047 0.0015 0.0015 Masiero 2011ApJ...741...68M NEATM
0.052 0.0300 0.0710 Masiero 2021PSJ.....2..162M NEATM
0.059 0.0170 0.0170 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
15.01 MPC-2023-12-04 MPC-2023-12-04 Phot