1998 BK9
1998BK9, 1993 FH3, 1993FH3, 31213, J93F03H, J98B09K
All data for this body: [vot]
MPC data
| Name (number) |
1998 BK9 (31213) |
| a |
3.03838 |
| e |
0.17394 |
| i / sin(i) |
2.4184 /
0.04220
|
| q |
2.50987
|
| Q |
3.56688
|
| ω |
347.8638 |
| Node |
208.3727 |
| m |
5.1153 |
| n |
0.1861 |
| Epoch |
2460800.5 |
| nobs |
2701 |
| nopp |
23 |
| Years observed |
1993-2025 |
| rms |
0.75 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.037 |
|
| ep |
0.216 |
|
| sin(ip) |
0.053 |
|
| G |
0.150 |
|
| H |
13.940 |
|
| Mass |
|
|
| D |
9.06 |
0.164 |
| pV |
0.065 |
0.0050 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
C |
| Spectral Class Score |
5.490 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0374 |
0.2163 |
0.0530 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 9.06 |
0.164 |
0.164 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.065 |
0.0050 |
0.0050 |
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 |
| 13.94 |
|
|
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 |
|
0.915 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |