1998 SZ21

1998SZ21, 14591, 1996 AO20, 1996AO20, J96A20O, J98S21Z

All data for this body: [vot]

MPC data
Name (number) 1998 SZ21 (14591)
a 2.33548
e 0.08378
i / sin(i) 2.3685 / 0.04133
q 2.13982
Q 2.53115
ω 54.5135
Node 18.2451
m 307.3782
n 0.2761
Epoch 2460200.5
nobs 1627
nopp 20
Years observed 1993-2023
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.335
ep 0.090
sin(ip) 0.036
Value Standard error
G 0.150
H 15.540
Mass
D 2.68 0.180
pV 0.204 0.0420
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3351 0.0898 0.0356 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.68 0.180 0.180 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.204 0.0420 0.0420 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
15.54 MPC-2023-12-04 MPC-2023-12-04 Phot