1998 SZ21
1998SZ21, 14591, 1996 AO20, 1996AO20, J96A20O, J98S21Z
All data for this body: [vot]
MPC data
| Name (number) |
1998 SZ21 (14591) |
| a |
2.33478 |
| e |
0.08320 |
| i / sin(i) |
2.3670 /
0.04130
|
| q |
2.14054
|
| Q |
2.52903
|
| ω |
54.2329 |
| Node |
18.2157 |
| m |
113.3900 |
| n |
0.2763 |
| Epoch |
2460800.5 |
| nobs |
1854 |
| nopp |
21 |
| Years observed |
1993-2025 |
| rms |
0.78 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.335 |
|
| ep |
0.090 |
|
| sin(ip) |
0.036 |
|
| G |
0.150 |
|
| H |
15.520 |
|
| Mass |
|
|
| D |
2.68 |
0.180 |
| pV |
0.204 |
0.0420 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
5.976 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3351 |
0.0898 |
0.0356 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.68 |
0.180 |
0.180 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.204 |
0.0420 |
0.0420 |
Masiero |
2011ApJ...741...68M |
NEATM |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2023-12-94 |
MPC-2023-12-94 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 15.52 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| S |
|
0.996 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |