1999 XB98
1999XB98, 1989 WE5, 1989WE5, 49854, J89W05E, J99X98B
All data for this body: [vot]
MPC data
| Name (number) |
1999 XB98 (49854) |
| a |
2.21502 |
| e |
0.07022 |
| i / sin(i) |
6.0306 /
0.10506
|
| q |
2.05947
|
| Q |
2.37057
|
| ω |
195.9366 |
| Node |
263.9999 |
| m |
56.8338 |
| n |
0.2990 |
| Epoch |
2460200.5 |
| nobs |
1749 |
| nopp |
18 |
| Years observed |
1989-2023 |
| rms |
0.64 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.215 |
|
| ep |
0.122 |
|
| sin(ip) |
0.113 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.360 |
|
| Mass |
|
|
| D |
2.77 |
0.115 |
| pV |
0.253 |
0.0275 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2153 |
0.1218 |
0.1126 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.77 |
0.115 |
0.115 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.253 |
0.0275 |
0.0275 |
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 |
| 15.36 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |