2001 HD18
2001HD18, 1997 HL18, 1997HL18, 2006 WD168, 2006WD168, H8836, J97H18L, K01H18D, K06WG8D
All data for this body: [vot]
MPC data
| Name (number) |
2001 HD18 (178836) |
| a |
2.42843 |
| e |
0.17262 |
| i / sin(i) |
1.5402 /
0.02688
|
| q |
2.00923
|
| Q |
2.84763
|
| ω |
79.3247 |
| Node |
205.5718 |
| m |
81.2382 |
| n |
0.2604 |
| Epoch |
2460800.5 |
| nobs |
436 |
| nopp |
17 |
| Years observed |
1997-2024 |
| rms |
0.86 |
Best values
|
Value |
Standard error |
| Parent |
Nysa (44) |
|
| |
|
|
| ap |
2.429 |
|
| ep |
0.162 |
|
| sin(ip) |
0.037 |
|
| G |
0.150 |
|
| H |
17.020 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
V |
| Spectral Class Score |
0.368 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 44 |
Nysa |
405 |
Nysa-Polana |
0.0300 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.4290 |
0.1622 |
0.0369 |
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 |
| 17.02 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| V |
V |
0.0614 |
0.0614 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |