2004 YO21
2004YO21, G1559, K04Y21O
All data for this body: [vot]
MPC data
| Name (number) |
2004 YO21 (161559) |
| a |
2.42319 |
| e |
0.25895 |
| i / sin(i) |
2.2678 /
0.03957
|
| q |
1.79571
|
| Q |
3.05068
|
| ω |
271.8115 |
| Node |
107.7373 |
| m |
210.2454 |
| n |
0.2613 |
| Epoch |
2460800.5 |
| nobs |
637 |
| nopp |
17 |
| Years observed |
2000-2025 |
| rms |
0.86 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.423 |
|
| ep |
0.226 |
|
| sin(ip) |
0.025 |
|
| G |
0.150 |
|
| H |
16.690 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
2.000 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.4226 |
0.2264 |
0.0250 |
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 |
| 16.69 |
|
|
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 |
|
|
|
DeMeo-Carry |
VIS |
Choi |
2023PSJ.....4...49C |
PHOT |