1991 RC9
1991RC9, 1998 SJ159, 1998SJ159, 26838, J91R09C, J98SF9J
All data for this body: [vot]
MPC data
| Name (number) |
1991 RC9 (26838) |
| a |
2.29090 |
| e |
0.09757 |
| i / sin(i) |
4.0525 /
0.07067
|
| q |
2.06738
|
| Q |
2.51442
|
| ω |
338.0044 |
| Node |
18.6927 |
| m |
257.3032 |
| n |
0.2842 |
| Epoch |
2460800.5 |
| nobs |
3055 |
| nopp |
21 |
| Years observed |
1991-2025 |
| rms |
0.72 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.291 |
|
| ep |
0.055 |
|
| sin(ip) |
0.063 |
|
| G |
0.150 |
|
| H |
14.740 |
|
| Mass |
|
|
| D |
3.97 |
0.366 |
| pV |
0.195 |
0.0291 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
1.254 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2907 |
0.0553 |
0.0628 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.97 |
0.366 |
0.366 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.195 |
0.0291 |
0.0291 |
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 |
| 14.74 |
|
|
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 |
|
0.209 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |