1998 XB20
1998XB20, A1508, J98X20B
All data for this body: [vot]
MPC data
| Name (number) |
1998 XB20 (101508) |
| a |
2.97888 |
| e |
0.20104 |
| i / sin(i) |
2.9850 /
0.05207
|
| q |
2.38001
|
| Q |
3.57775
|
| ω |
22.5678 |
| Node |
75.5894 |
| m |
268.1840 |
| n |
0.1917 |
| Epoch |
2460200.5 |
| nobs |
612 |
| nopp |
15 |
| Years observed |
1998-2023 |
| rms |
0.71 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.983 |
|
| ep |
0.201 |
|
| sin(ip) |
0.034 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
16.360 |
|
| Mass |
|
|
| D |
2.66 |
0.560 |
| pV |
0.075 |
0.0464 |
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.9830 |
0.2012 |
0.0337 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.66 |
0.560 |
0.560 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.075 |
0.0464 |
0.0464 |
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 |
| 16.36 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |