1998 FF99
1998FF99, 1999 TT107, 1999TT107, 39938, J98F99F, J99TA7T
All data for this body: [vot]
MPC data
| Name (number) |
1998 FF99 (39938) |
| a |
2.46095 |
| e |
0.15024 |
| i / sin(i) |
11.6117 /
0.20128
|
| q |
2.09121
|
| Q |
2.83070
|
| ω |
23.4530 |
| Node |
218.9371 |
| m |
318.1005 |
| n |
0.2553 |
| Epoch |
2460800.5 |
| nobs |
1855 |
| nopp |
21 |
| Years observed |
1992-2025 |
| rms |
0.75 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.460 |
|
| ep |
0.176 |
|
| sin(ip) |
0.206 |
|
| G |
0.150 |
|
| H |
15.290 |
|
| Mass |
|
|
| D |
3.01 |
0.196 |
| pV |
0.214 |
0.0336 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
7.676 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.4598 |
0.1761 |
0.2063 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.01 |
0.196 |
0.196 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.214 |
0.0336 |
0.0336 |
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 |
| 15.29 |
|
|
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 |
|
0.946 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |
| S |
S |
|
|
DeMeo-Carry |
VIS |
Choi |
2023PSJ.....4...49C |
PHOT |