1998 SA9
1998SA9, 2005 AK55, 2005AK55, A1179, J98S09A, K05A55K
All data for this body: [vot]
MPC data
| Name (number) |
1998 SA9 (101179) |
| a |
3.02777 |
| e |
0.18409 |
| i / sin(i) |
0.9310 /
0.01625
|
| q |
2.47040
|
| Q |
3.58514
|
| ω |
1.4646 |
| Node |
61.7538 |
| m |
335.0030 |
| n |
0.1871 |
| Epoch |
2460800.5 |
| nobs |
452 |
| nopp |
18 |
| Years observed |
1977-2025 |
| rms |
0.78 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.028 |
|
| ep |
0.172 |
|
| sin(ip) |
0.009 |
|
| G |
0.150 |
|
| H |
16.190 |
|
| Mass |
|
|
| D |
2.54 |
0.618 |
| pV |
0.109 |
0.0161 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0280 |
0.1725 |
0.0092 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.54 |
0.618 |
0.618 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.109 |
0.0161 |
0.0161 |
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 |
| 16.19 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |