1999 XP169
1999XP169, 1974 WV, 1974WV, 1978 TM2, 1978TM2, 25556, J74W00V, J78T02M, J99XG9P
All data for this body: [vot]
MPC data
| Name (number) |
1999 XP169 (25556) |
| a |
2.57561 |
| e |
0.25542 |
| i / sin(i) |
4.3802 /
0.07637
|
| q |
1.91775
|
| Q |
3.23347
|
| ω |
27.6558 |
| Node |
38.9527 |
| m |
60.3688 |
| n |
0.2384 |
| Epoch |
2460800.5 |
| nobs |
2210 |
| nopp |
21 |
| Years observed |
1974-2025 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.577 |
|
| ep |
0.234 |
|
| sin(ip) |
0.068 |
|
| G |
0.150 |
|
| H |
14.910 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
Q |
| Spectral Class Score |
3.912 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5773 |
0.2345 |
0.0677 |
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 |
| 14.91 |
|
|
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 |
| Kl |
Kl |
None |
None |
Movis |
NIR |
Popescu |
2018A&A...617A..12P |
PHOT |
| Q |
|
0.652 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |