1998 SD177
1998SD177, 2009 SH304, 2009SH304, d9323, J98SH7D, K09SU4H
All data for this body: [vot]
MPC data
| Name (number) |
1998 SD177 (399323) |
| a |
3.12435 |
| e |
0.17733 |
| i / sin(i) |
18.2546 /
0.31324
|
| q |
2.57032
|
| Q |
3.67838
|
| ω |
213.3247 |
| Node |
182.0448 |
| m |
273.6368 |
| n |
0.1785 |
| Epoch |
2460800.5 |
| nobs |
286 |
| nopp |
13 |
| Years observed |
1998-2025 |
| rms |
0.77 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.116 |
|
| ep |
0.172 |
|
| sin(ip) |
0.305 |
|
| G |
0.150 |
|
| H |
16.430 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1161 |
0.1716 |
0.3050 |
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 |
| 16.43 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |