2001 BT57
2001BT57, K01B57T, N7570
All data for this body: [vot]
MPC data
| Name (number) |
2001 BT57 (237570) |
| a |
2.59072 |
| e |
0.24161 |
| i / sin(i) |
10.2513 /
0.17797
|
| q |
1.96477
|
| Q |
3.21667
|
| ω |
263.7222 |
| Node |
266.7209 |
| m |
279.1006 |
| n |
0.2364 |
| Epoch |
2460800.5 |
| nobs |
418 |
| nopp |
16 |
| Years observed |
2001-2024 |
| rms |
0.90 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.588 |
|
| ep |
0.276 |
|
| sin(ip) |
0.213 |
|
| G |
0.150 |
|
| H |
16.420 |
|
| Mass |
|
|
| D |
2.63 |
0.553 |
| pV |
0.092 |
0.0369 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
C |
| Spectral Class Score |
5.193 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5879 |
0.2764 |
0.2126 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.63 |
0.553 |
0.553 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.092 |
0.0369 |
0.0369 |
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 |
| 16.42 |
|
|
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 |
| C |
|
0.599 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |
| C |
C |
0.2665 |
0.2665 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |