1999 TB91
1999TB91, 1989 TM5, 1989TM5, 74862, J89T05M, J99T91B
All data for this body: [vot]
MPC data
| Name (number) |
1999 TB91 (74862) |
| a |
2.23980 |
| e |
0.19303 |
| i / sin(i) |
3.1091 /
0.05424
|
| q |
1.80745
|
| Q |
2.67214
|
| ω |
251.0571 |
| Node |
90.9429 |
| m |
244.9293 |
| n |
0.2940 |
| Epoch |
2460800.5 |
| nobs |
1097 |
| nopp |
22 |
| Years observed |
1989-2025 |
| rms |
0.86 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.240 |
|
| ep |
0.141 |
|
| sin(ip) |
0.040 |
|
| G |
0.150 |
|
| H |
16.260 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
1.100 |
| Period quality |
|
| Spectral Class |
S |
| Spectral Class Score |
15.192 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2399 |
0.1409 |
0.0402 |
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 |
| 16.26 |
|
|
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 |
|
0.816 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |
| S |
X |
0.858000 |
0.112000 |
Bus-DeMeo |
VIS |
Erasmus |
2019ApJS..242...15E |
PHOT |
| S |
X |
0.858000 |
0.114000 |
Bus-DeMeo |
VIS |
Erasmus |
2018ApJS..237...19E |
PHOT |