1998 OP8
1998OP8, 1999 XK217, 1999XK217, 48918, J98O08P, J99XL7K
All data for this body: [vot]
MPC data
| Name (number) |
1998 OP8 (48918) |
| a |
2.26256 |
| e |
0.08879 |
| i / sin(i) |
4.3951 /
0.07663
|
| q |
2.06166
|
| Q |
2.46345
|
| ω |
201.5449 |
| Node |
286.7556 |
| m |
330.0402 |
| n |
0.2896 |
| Epoch |
2460200.5 |
| nobs |
2184 |
| nopp |
19 |
| Years observed |
1997-2023 |
| rms |
0.63 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.263 |
|
| ep |
0.136 |
|
| sin(ip) |
0.085 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.000 |
|
| Mass |
|
|
| D |
2.67 |
0.126 |
| pV |
0.326 |
0.0433 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2627 |
0.1360 |
0.0853 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.67 |
0.126 |
0.126 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.326 |
0.0433 |
0.0433 |
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 |
| 15.00 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Period data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 6.10 |
|
|
Stephens |
2020MPBu...47..125S |
Lightcurve |