1999 XW177
1999XW177, 2001 FJ21, 2001FJ21, 97294, J99XH7W, K01F21J
All data for this body: [vot]
MPC data
| Name (number) |
1999 XW177 (97294) |
| a |
3.09569 |
| e |
0.08814 |
| i / sin(i) |
9.0939 /
0.15805
|
| q |
2.82285
|
| Q |
3.36853
|
| ω |
95.4923 |
| Node |
84.0733 |
| m |
171.4415 |
| n |
0.1810 |
| Epoch |
2460800.5 |
| nobs |
1142 |
| nopp |
21 |
| Years observed |
1999-2025 |
| rms |
0.79 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.100 |
|
| ep |
0.113 |
|
| sin(ip) |
0.140 |
|
| G |
0.150 |
|
| H |
14.620 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
5.553 |
| Period quality |
2 |
| Spectral Class |
S |
| Spectral Class Score |
5.136 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0999 |
0.1128 |
0.1402 |
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 |
| 14.62 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 5.55325 |
2 |
Sidereal |
Durech |
2023A&A...675A..24D |
Model |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| S |
|
0.856 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |