2001 PK9
2001PK9, H3689, K01P09K
All data for this body: [vot]
MPC data
| Name (number) |
2001 PK9 (173689) |
| a |
1.77953 |
| e |
0.39507 |
| i / sin(i) |
10.4309 /
0.18105
|
| q |
1.07649
|
| Q |
2.48257
|
| ω |
314.0712 |
| Node |
272.8791 |
| m |
60.0999 |
| n |
0.4152 |
| Epoch |
2460800.5 |
| nobs |
366 |
| nopp |
11 |
| Years observed |
2001-2025 |
| rms |
0.81 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
|
|
| ep |
|
|
| sin(ip) |
|
|
| G |
0.150 |
|
| H |
18.260 |
|
| Mass |
|
|
| D |
0.73 |
0.290 |
| pV |
0.160 |
0.1900 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
Sq |
| Spectral Class Score |
18.000 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.73 |
0.290 |
0.290 |
Nugent |
2016AJ....152...63N |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.160 |
0.1900 |
0.1900 |
Nugent |
2016AJ....152...63N |
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 |
| 18.26 |
|
|
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 |
| S |
Q |
0.520000 |
0.470000 |
Mahlke |
VISNIR |
Mahlke |
2022A&A...665A..26M |
SPEC |
| Sq |
|
|
|
Bus-DeMeo |
NIR |
Binzel |
2019Icar..324...41B |
SPEC |
| V |
V |
0.0324 |
0.0220 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |