1991 PF18
1991PF18, 07523, 1983 RG7, 1983RG7, 1987 SP17, 1987SP17, J83R07G, J87S17P, J91P18F
All data for this body: [vot]
MPC data
| Name (number) |
1991 PF18 (7523) |
| a |
2.55552 |
| e |
0.13046 |
| i / sin(i) |
3.7921 /
0.06614
|
| q |
2.22212
|
| Q |
2.88893
|
| ω |
149.6930 |
| Node |
262.4839 |
| m |
28.1395 |
| n |
0.2413 |
| Epoch |
2460800.5 |
| nobs |
3298 |
| nopp |
27 |
| Years observed |
1987-2025 |
| rms |
0.67 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.555 |
|
| ep |
0.162 |
|
| sin(ip) |
0.087 |
|
| G |
0.150 |
|
| H |
13.650 |
|
| Mass |
|
|
| D |
5.60 |
0.236 |
| pV |
0.270 |
0.0337 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
L |
| Spectral Class Score |
1.044 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5551 |
0.1622 |
0.0866 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 5.60 |
0.236 |
0.236 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.270 |
0.0337 |
0.0337 |
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 |
| 13.65 |
|
|
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 |
| L |
|
0.174 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |
| S |
S |
None |
None |
Movis |
NIR |
Popescu |
2018A&A...617A..12P |
PHOT |