Rhiannon
16912, 1998 EP8, 1998EP8, 1999 RN45, 1999RN45, J98E08P, J99R45N
All data for this body: [vot]
MPC data
| Name (number) |
Rhiannon (16912) |
| a |
1.75123 |
| e |
0.27260 |
| i / sin(i) |
24.5193 /
0.41500
|
| q |
1.27385
|
| Q |
2.22862
|
| ω |
221.2649 |
| Node |
169.1683 |
| m |
9.7145 |
| n |
0.4253 |
| Epoch |
2460800.5 |
| nobs |
291 |
| nopp |
17 |
| Years observed |
1992-2024 |
| rms |
0.91 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
1.738 |
|
| ep |
0.256 |
|
| sin(ip) |
0.373 |
|
| G |
0.150 |
|
| H |
17.910 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
X |
| Spectral Class Score |
0.776 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 1.7376 |
0.2559 |
0.3730 |
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 |
| 17.91 |
|
|
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 |
| X |
X |
0.1294 |
0.1270 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |