1999 XB
1999XB, 1998 HP80, 1998HP80, 1999 SV8, 1999SV8, 27250, J98H80P, J99S08V, J99X00B
All data for this body: [vot]
MPC data
| Name (number) |
1999 XB (27250) |
| a |
2.63965 |
| e |
0.20544 |
| i / sin(i) |
15.2325 /
0.26274
|
| q |
2.09738
|
| Q |
3.18193
|
| ω |
321.6295 |
| Node |
29.9729 |
| m |
211.2190 |
| n |
0.2298 |
| Epoch |
2460200.5 |
| nobs |
1380 |
| nopp |
19 |
| Years observed |
1995-2023 |
| rms |
0.73 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.639 |
|
| ep |
0.168 |
|
| sin(ip) |
0.251 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.370 |
|
| Mass |
|
|
| D |
3.73 |
0.538 |
| pV |
0.318 |
0.0688 |
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6388 |
0.1682 |
0.2507 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.73 |
0.538 |
0.538 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.318 |
0.0688 |
0.0688 |
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 |
| 14.37 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |