2009 PD21
2009PD21, K09P21D, Q6700
All data for this body: [vot]
MPC data
| Name (number) |
2009 PD21 (266700) |
| a |
3.18968 |
| e |
0.05424 |
| i / sin(i) |
1.0589 /
0.01848
|
| q |
3.01668
|
| Q |
3.36269
|
| ω |
270.6768 |
| Node |
42.2051 |
| m |
302.6265 |
| n |
0.1730 |
| Epoch |
2460800.5 |
| nobs |
271 |
| nopp |
16 |
| Years observed |
2004-2025 |
| rms |
0.92 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.191 |
|
| ep |
0.033 |
|
| sin(ip) |
0.019 |
|
| G |
0.150 |
|
| H |
16.440 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
V |
| Spectral Class Score |
0.612 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1913 |
0.0331 |
0.0187 |
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 |
| 16.44 |
|
|
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 |
| D |
D |
0.1009 |
0.0750 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| V |
D |
0.1020 |
0.0750 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |