1999 YQ9
1999YQ9, 71222, J99Y09Q
All data for this body: [vot]
MPC data
| Name (number) |
1999 YQ9 (71222) |
| a |
3.07472 |
| e |
0.13830 |
| i / sin(i) |
10.5771 /
0.18356
|
| q |
2.64950
|
| Q |
3.49994
|
| ω |
108.6144 |
| Node |
338.5753 |
| m |
163.5470 |
| n |
0.1828 |
| Epoch |
2460200.5 |
| nobs |
1473 |
| nopp |
18 |
| Years observed |
1998-2023 |
| rms |
0.67 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.077 |
|
| ep |
0.122 |
|
| sin(ip) |
0.199 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.230 |
|
| Mass |
|
|
| D |
4.91 |
0.173 |
| pV |
0.221 |
0.0415 |
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0767 |
0.1220 |
0.1986 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.91 |
0.173 |
0.173 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.221 |
0.0415 |
0.0415 |
Masiero |
2011ApJ...741...68M |
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 |
| 14.23 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |