1998 HW89
1998HW89, 1999 TJ142, 1999TJ142, 44136, J98H89W, J99TE2J
All data for this body: [vot]
MPC data
| Name (number) |
1998 HW89 (44136) |
| a |
2.22922 |
| e |
0.03874 |
| i / sin(i) |
3.7411 /
0.06525
|
| q |
2.14285
|
| Q |
2.31559
|
| ω |
195.9316 |
| Node |
267.6760 |
| m |
332.9998 |
| n |
0.2961 |
| Epoch |
2460200.5 |
| nobs |
1350 |
| nopp |
18 |
| Years observed |
1998-2023 |
| rms |
0.70 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.229 |
|
| ep |
0.085 |
|
| sin(ip) |
0.074 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.810 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2292 |
0.0849 |
0.0736 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
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 |
| 15.81 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |