1999 SM19
1999SM19, 1991 TF9, 1991TF9, 66657, J91T09F, J99S19M
All data for this body: [vot]
MPC data
| Name (number) |
1999 SM19 (66657) |
| a |
2.55457 |
| e |
0.20611 |
| i / sin(i) |
15.2875 /
0.26366
|
| q |
2.02805
|
| Q |
3.08109
|
| ω |
338.4299 |
| Node |
18.8375 |
| m |
97.1816 |
| n |
0.2414 |
| Epoch |
2460800.5 |
| nobs |
818 |
| nopp |
20 |
| Years observed |
1991-2025 |
| rms |
0.80 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.553 |
|
| ep |
0.172 |
|
| sin(ip) |
0.250 |
|
| G |
0.150 |
|
| H |
15.490 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
1.000 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5534 |
0.1721 |
0.2496 |
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 |
| 15.49 |
|
|
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 |
V |
None |
None |
Movis |
NIR |
Popescu |
2018A&A...617A..12P |
PHOT |