1999 YD9
1999YD9, 1998 OL10, 1998OL10, 25595, J98O10L, J99Y09D
All data for this body: [vot]
MPC data
| Name (number) |
1999 YD9 (25595) |
| a |
2.61242 |
| e |
0.10593 |
| i / sin(i) |
2.8672 /
0.05002
|
| q |
2.33569
|
| Q |
2.88916
|
| ω |
66.5119 |
| Node |
293.1225 |
| m |
90.4324 |
| n |
0.2334 |
| Epoch |
2460800.5 |
| nobs |
1166 |
| nopp |
21 |
| Years observed |
1994-2025 |
| rms |
0.80 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.611 |
|
| ep |
0.086 |
|
| sin(ip) |
0.074 |
|
| G |
0.150 |
|
| H |
15.630 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
A |
| Spectral Class Score |
2.000 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6111 |
0.0860 |
0.0739 |
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 |
| 15.63 |
|
|
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 |
| A |
|
|
|
DeMeo-Carry |
VIS |
Choi |
2023PSJ.....4...49C |
PHOT |