1997 ER2
1997ER2, 13655, 1988 VD2, 1988VD2, J88V02D, J97E02R
All data for this body: [vot]
MPC data
| Name (number) |
1997 ER2 (13655) |
| a |
2.33412 |
| e |
0.05645 |
| i / sin(i) |
4.5425 /
0.07920
|
| q |
2.20235
|
| Q |
2.46589
|
| ω |
6.3697 |
| Node |
55.7335 |
| m |
67.1887 |
| n |
0.2764 |
| Epoch |
2460800.5 |
| nobs |
3987 |
| nopp |
22 |
| Years observed |
1988-2025 |
| rms |
0.62 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.334 |
|
| ep |
0.061 |
|
| sin(ip) |
0.067 |
|
| G |
0.150 |
|
| H |
14.690 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
A |
| Spectral Class Score |
1.278 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3343 |
0.0614 |
0.0667 |
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 |
| 14.69 |
|
|
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 |
| A |
|
0.213 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |