Cordwell
1978 NK8, 1978NK8, 1998 FR90, 1998FR90, 1999 RG62, 1999RG62, 21425, J78N08K, J98F90R, J99R62G
All data for this body: [vot]
MPC data
| Name (number) |
Cordwell (21425) |
| a |
2.29573 |
| e |
0.12640 |
| i / sin(i) |
4.5102 /
0.07864
|
| q |
2.00555
|
| Q |
2.58592
|
| ω |
218.6304 |
| Node |
104.3752 |
| m |
146.5582 |
| n |
0.2833 |
| Epoch |
2460800.5 |
| nobs |
2617 |
| nopp |
23 |
| Years observed |
1991-2025 |
| rms |
0.74 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.295 |
|
| ep |
0.085 |
|
| sin(ip) |
0.066 |
|
| G |
0.150 |
|
| H |
14.870 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
11.238 |
| Period quality |
2 |
| Spectral Class |
L |
| Spectral Class Score |
5.550 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2953 |
0.0848 |
0.0663 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
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 |
| 14.87 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 11.2388 |
2 |
Sidereal |
Durech |
2023A&A...675A..24D |
Model |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| L |
|
0.925 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |