1998 HW9
1998HW9, 2001 DD15, 2001DD15, A0831, J98H09W, K01D15D
All data for this body: [vot]
MPC data
| Name (number) |
1998 HW9 (100831) |
| a |
2.31797 |
| e |
0.18598 |
| i / sin(i) |
3.6517 /
0.06369
|
| q |
1.88688
|
| Q |
2.74906
|
| ω |
164.0173 |
| Node |
106.1063 |
| m |
196.0626 |
| n |
0.2793 |
| Epoch |
2460800.5 |
| nobs |
1054 |
| nopp |
20 |
| Years observed |
1998-2025 |
| rms |
0.86 |
Best values
|
Value |
Standard error |
| Parent |
Nysa (44) |
|
| |
|
|
| ap |
2.317 |
|
| ep |
0.181 |
|
| sin(ip) |
0.048 |
|
| G |
0.150 |
|
| H |
16.160 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
5.200 |
| Period quality |
2 |
| Spectral Class |
C |
| Spectral Class Score |
0.996 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 44 |
Nysa |
405 |
Nysa-Polana |
-0.7000 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3166 |
0.1815 |
0.0477 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
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 |
| 16.16 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 5.203 |
2 |
Synodic |
Waszczak |
2015AJ....150...75W |
Lightcurve |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| C |
|
0.166 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |