2009 YM21
2009YM21, f9386, K09Y21M
All data for this body: [vot]
MPC data
| Name (number) |
2009 YM21 (419386) |
| a |
3.16856 |
| e |
0.04657 |
| i / sin(i) |
8.6030 /
0.14959
|
| q |
3.02101
|
| Q |
3.31611
|
| ω |
236.9554 |
| Node |
311.2541 |
| m |
186.5017 |
| n |
0.1747 |
| Epoch |
2460800.5 |
| nobs |
127 |
| nopp |
12 |
| Years observed |
1999-2024 |
| rms |
0.94 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.174 |
|
| ep |
0.065 |
|
| sin(ip) |
0.169 |
|
| G |
0.150 |
|
| H |
16.380 |
|
| Mass |
|
|
| D |
3.68 |
1.283 |
| pV |
0.039 |
0.0162 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 490 |
Veritas |
0 |
Veritas |
|
Novakovic |
2019EPSC...13.1671N |
HCM |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1741 |
0.0648 |
0.1690 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.68 |
1.283 |
1.283 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.039 |
0.0162 |
0.0162 |
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 |
| 16.38 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |