1999 TU269
1999TU269, 1989 YM2, 1989YM2, 40975, J89Y02M, J99TQ9U
All data for this body: [vot]
MPC data
| Name (number) |
1999 TU269 (40975) |
| a |
3.14684 |
| e |
0.12994 |
| i / sin(i) |
7.7974 /
0.13567
|
| q |
2.73795
|
| Q |
3.55574
|
| ω |
192.6056 |
| Node |
294.9683 |
| m |
112.1619 |
| n |
0.1766 |
| Epoch |
2460800.5 |
| nobs |
1901 |
| nopp |
21 |
| Years observed |
1960-2024 |
| rms |
0.67 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.140 |
|
| ep |
0.158 |
|
| sin(ip) |
0.154 |
|
| G |
0.150 |
|
| H |
14.130 |
|
| Mass |
|
|
| D |
4.62 |
0.960 |
| pV |
0.275 |
0.2436 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
5.982 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1399 |
0.1583 |
0.1537 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.62 |
0.960 |
0.960 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.275 |
0.2436 |
0.2436 |
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 |
| 14.13 |
|
|
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 |
|
0.997 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |