1998 SL9
1998SL9, 1997 HW12, 1997HW12, 49115, J97H12W, J98S09L
All data for this body: [vot]
MPC data
| Name (number) |
1998 SL9 (49115) |
| a |
2.55034 |
| e |
0.14508 |
| i / sin(i) |
1.7083 /
0.02981
|
| q |
2.18034
|
| Q |
2.92034
|
| ω |
289.2389 |
| Node |
341.1947 |
| m |
134.6356 |
| n |
0.2420 |
| Epoch |
2460200.5 |
| nobs |
1321 |
| nopp |
22 |
| Years observed |
1990-2023 |
| rms |
0.70 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.549 |
|
| ep |
0.161 |
|
| sin(ip) |
0.041 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.680 |
|
| Mass |
|
|
| D |
2.03 |
0.324 |
| pV |
0.270 |
0.0593 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5490 |
0.1614 |
0.0408 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.03 |
0.324 |
0.324 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.270 |
0.0593 |
0.0593 |
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 |
| 15.68 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |