1997 SA4
1997SA4, J97S04A, Z6986
All data for this body: [vot]
MPC data
| Name (number) |
1997 SA4 (356986) |
| a |
2.24710 |
| e |
0.22988 |
| i / sin(i) |
10.5258 /
0.18268
|
| q |
1.73053
|
| Q |
2.76368
|
| ω |
324.2348 |
| Node |
14.1011 |
| m |
93.7041 |
| n |
0.2926 |
| Epoch |
2460800.5 |
| nobs |
494 |
| nopp |
15 |
| Years observed |
1996-2025 |
| rms |
0.78 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.248 |
|
| ep |
0.158 |
|
| sin(ip) |
0.173 |
|
| G |
0.150 |
|
| H |
17.010 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
D |
| Spectral Class Score |
1.340 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2477 |
0.1582 |
0.1728 |
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 |
| 17.01 |
|
|
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 |
| D |
D |
0.2234 |
0.2190 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |