1991 PB
1991PB, 12721, 1984 SH8, 1984SH8, 1990 DV4, 1990DV4, 1995 WK43, 1995WK43, J84S08H, J90D04V, J91P00B, J95W43K
All data for this body: [vot]
MPC data
| Name (number) |
1991 PB (12721) |
| a |
2.33886 |
| e |
0.24694 |
| i / sin(i) |
2.5918 /
0.04522
|
| q |
1.76129
|
| Q |
2.91643
|
| ω |
182.8349 |
| Node |
150.0187 |
| m |
143.8117 |
| n |
0.2755 |
| Epoch |
2460800.5 |
| nobs |
3404 |
| nopp |
24 |
| Years observed |
1984-2025 |
| rms |
0.72 |
Best values
|
Value |
Standard error |
| Parent |
Nysa (44) |
|
| |
|
|
| ap |
2.339 |
|
| ep |
0.206 |
|
| sin(ip) |
0.038 |
|
| G |
0.150 |
|
| H |
13.890 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
30.000 |
| Period quality |
2- |
| Spectral Class |
S |
| Spectral Class Score |
5.556 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 44 |
Nysa |
405 |
Nysa-Polana |
-1.6100 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3391 |
0.2062 |
0.0380 |
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 |
| 13.89 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 30.0 |
2- |
Synodic |
Owings |
2018MPBu...45..227O |
Lightcurve |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| S |
|
0.926 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |