Semafor
19364, 1997 SM1, 1997SM1, J97S01M
All data for this body: [vot]
MPC data
| Name (number) |
Semafor (19364) |
| a |
2.68458 |
| e |
0.10501 |
| i / sin(i) |
13.3883 /
0.23155
|
| q |
2.40268
|
| Q |
2.96648
|
| ω |
6.3611 |
| Node |
198.9632 |
| m |
245.4708 |
| n |
0.2241 |
| Epoch |
2460800.5 |
| nobs |
4374 |
| nopp |
24 |
| Years observed |
1953-2025 |
| rms |
0.68 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.682 |
|
| ep |
0.149 |
|
| sin(ip) |
0.233 |
|
| G |
0.150 |
|
| H |
12.790 |
|
| Mass |
|
|
| D |
7.06 |
0.132 |
| pV |
0.204 |
0.0244 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
17.009 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6821 |
0.1492 |
0.2332 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 7.06 |
0.132 |
0.132 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.204 |
0.0244 |
0.0244 |
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 |
| 12.79 |
|
|
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 |
|
0.999 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |
| S |
S |
0.8449 |
0.9210 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| S |
S |
0.9909 |
0.9210 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |