1998 XR9
1998XR9, 14645, 1987 YM2, 1987YM2, J87Y02M, J98X09R
All data for this body: [vot]
MPC data
| Name (number) |
1998 XR9 (14645) |
| a |
2.43729 |
| e |
0.09911 |
| i / sin(i) |
5.6959 /
0.09925
|
| q |
2.19574
|
| Q |
2.67885
|
| ω |
356.1453 |
| Node |
231.6280 |
| m |
184.8242 |
| n |
0.2590 |
| Epoch |
2460800.5 |
| nobs |
3553 |
| nopp |
24 |
| Years observed |
1982-2024 |
| rms |
0.69 |
Best values
|
Value |
Standard error |
| Parent |
Vesta (4) |
|
| |
|
|
| ap |
2.438 |
|
| ep |
0.121 |
|
| sin(ip) |
0.111 |
|
| G |
0.150 |
|
| H |
14.180 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
2.830 |
| Period quality |
3- |
| Spectral Class |
V |
| Spectral Class Score |
2.000 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.4378 |
0.1209 |
0.1109 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
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 |
| 14.18 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 2.83685 |
2 |
Synodic |
Pal |
2020ApJS..247...26P |
Lightcurve |
| 2.837 |
3- |
Synodic |
Fauerbach |
LCDB |
Lightcurve |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| V |
V |
|
|
DeMeo-Carry |
VIS |
Choi |
2023PSJ.....4...49C |
PHOT |