1998 KN9
1998KN9, 1999 TT27, 1999TT27, 44172, J98K09N, J99T27T
All data for this body: [vot]
MPC data
| Name (number) |
1998 KN9 (44172) |
| a |
2.56976 |
| e |
0.07159 |
| i / sin(i) |
16.1581 /
0.27829
|
| q |
2.38579
|
| Q |
2.75373
|
| ω |
34.1397 |
| Node |
227.3413 |
| m |
212.0417 |
| n |
0.2393 |
| Epoch |
2460800.5 |
| nobs |
3123 |
| nopp |
21 |
| Years observed |
1998-2025 |
| rms |
0.72 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.569 |
|
| ep |
0.089 |
|
| sin(ip) |
0.288 |
|
| G |
0.150 |
|
| H |
13.800 |
|
| Mass |
|
|
| D |
4.98 |
0.151 |
| pV |
0.259 |
0.0494 |
|
Value |
| Rotational Period |
19.226 |
| Period quality |
2 |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5694 |
0.0887 |
0.2881 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.98 |
0.151 |
0.151 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.259 |
0.0494 |
0.0494 |
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 |
| 13.80 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 19.2268 |
2 |
Sidereal |
Durech |
2023A&A...675A..24D |
Model |