1998 SX21

1998SX21, 1993 FP4, 1993FP4, 25135, J93F04P, J98S21X

All data for this body: [vot]

MPC data
Name (number) 1998 SX21 (25135)
a 2.42057
e 0.18322
i / sin(i) 2.6378 / 0.04602
q 1.97707
Q 2.86407
ω 187.3716
Node 148.7862
m 48.3495
n 0.2617
Epoch 2460800.5
nobs 1698
nopp 21
Years observed 1993-2024
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.418
ep 0.146
sin(ip) 0.039
G 0.150
H 15.360
Mass
D 3.91 0.787
pV 0.091 0.0387
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana -0.0500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4180 0.1464 0.0388 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.90 1.080 1.080 Masiero 2020PSJ.....1....5M NEATM
3.92 1.150 1.150 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.088 0.0350 0.0590 Masiero 2021PSJ.....2..162M NEATM
0.097 0.0680 0.0680 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
15.36 MPC-2023-12-04 MPC-2023-12-04 Phot