1999 XS89
1999XS89, 1990 KX1, 1990KX1, 45127, J90K01X, J99X89S
All data for this body: [vot]
MPC data
| Name (number) |
1999 XS89 (45127) |
| a |
3.05786 |
| e |
0.09616 |
| i / sin(i) |
11.9260 /
0.20665
|
| q |
2.76381
|
| Q |
3.35191
|
| ω |
70.5766 |
| Node |
103.1209 |
| m |
203.4357 |
| n |
0.1843 |
| Epoch |
2460800.5 |
| nobs |
1479 |
| nopp |
23 |
| Years observed |
1990-2025 |
| rms |
0.80 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.062 |
|
| ep |
0.121 |
|
| sin(ip) |
0.190 |
|
| G |
0.150 |
|
| H |
14.230 |
|
| Mass |
|
|
| D |
4.74 |
0.465 |
| pV |
0.238 |
0.0271 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
6.368 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0623 |
0.1215 |
0.1899 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.74 |
0.465 |
0.465 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.238 |
0.0271 |
0.0271 |
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 |
| 14.23 |
|
|
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 |
|
0.728 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |
| S |
S |
|
|
DeMeo-Carry |
VIS |
Choi |
2023PSJ.....4...49C |
PHOT |