1998 FJ21
1998FJ21, 1999 NK21, 1999NK21, 35488, J98F21J, J99N21K
All data for this body: [vot]
MPC data
| Name (number) |
1998 FJ21 (35488) |
| a |
2.57652 |
| e |
0.09373 |
| i / sin(i) |
4.4989 /
0.07844
|
| q |
2.33503
|
| Q |
2.81801
|
| ω |
163.5613 |
| Node |
7.8305 |
| m |
197.0535 |
| n |
0.2383 |
| Epoch |
2460800.5 |
| nobs |
1827 |
| nopp |
20 |
| Years observed |
1998-2025 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.577 |
|
| ep |
0.172 |
|
| sin(ip) |
0.078 |
|
| G |
0.150 |
|
| H |
14.880 |
|
| Mass |
|
|
| D |
3.63 |
0.165 |
| pV |
0.212 |
0.0209 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5769 |
0.1720 |
0.0778 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.63 |
0.165 |
0.165 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.212 |
0.0209 |
0.0209 |
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 |
| 14.88 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |