2009 YA4
2009YA4, b2724, K09Y04A
All data for this body: [vot]
MPC data
| Name (number) |
2009 YA4 (372724) |
| a |
3.07730 |
| e |
0.09338 |
| i / sin(i) |
11.4843 /
0.19910
|
| q |
2.78994
|
| Q |
3.36467
|
| ω |
329.8630 |
| Node |
106.8137 |
| m |
335.0649 |
| n |
0.1826 |
| Epoch |
2460800.5 |
| nobs |
284 |
| nopp |
13 |
| Years observed |
2003-2024 |
| rms |
0.92 |
Best values
|
Value |
Standard error |
| Parent |
Eos (221) |
|
| |
|
|
| ap |
3.077 |
|
| ep |
0.083 |
|
| sin(ip) |
0.178 |
|
| G |
0.150 |
|
| H |
16.230 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
D |
| Spectral Class Score |
0.372 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 221 |
Eos |
606 |
Eos |
0.2000 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0768 |
0.0832 |
0.1776 |
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 |
| 16.23 |
|
|
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 |
0.0620 |
0.0460 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| V |
D |
0.0301 |
0.0460 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |