| Parameter |
Value |
| Designation |
P/2024 F1 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2023-10-25T12:25:16.164480Z |
| Orbit solution date (soln_date, UTC) |
2025-01-14T17:42:19Z |
| Obs used |
53 |
| NEO |
- |
| M1 |
18.500 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-03-18T09:51:47.203200Z |
| Discovery magnitude (MPC) |
20.74 w |
| Discovery observatory (MPC) |
F51 · Pan-STARRS 1, Haleakala |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2024-03-19.0000000 |
| e |
0.45999545 |
| q (au) |
1.859749 |
| a (au) |
3.443951 |
| i (deg) |
7.008084 |
| Ω (om, deg) |
251.523917 |
| ω (w, deg) |
229.523313 |
| M (ma, deg) |
22.435160 |
Magnitude
Scatter + Global Linear
$$
M_a = (20.000 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
20.000 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.655 |
| k |
0.866 |
| δ90 |
10.000 |
| Parameter |
Symbol |
Range |
Description |
| Absolute magnitude at 1 AU from Sun and Earth |
H0 |
-5 to 20 |
Intrinsic brightness of the comet |
| Photometric slope parameter |
n |
2 to 6 |
Rate of brightness change with heliocentric distance |
| Forward scattering asymmetry factor |
gf |
0.8 to 1 |
Degree of forward scattering |
| Backward scattering asymmetry factor |
gb |
-1 to -0.5 |
Degree of backward scattering |
| Partitioning coefficient |
k |
0.8 to 1 |
Ratio between forward/backward scattering contributions |
| Dust-to-gas brightness ratio |
δ90 |
1 to 10 |
Relative contribution of dust scattering to gas emission |
Reference: EPSC-DPS2025-160
Finding Chart
Ephemeris
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
19:44:10.64 |
-16:24:50.4 |
HIP 96950 |
29.56 |
| 2026-06-01 12:00 |
19:43:59.17 |
-16:24:41.8 |
HIP 96950 |
27.29 |
| 2026-06-02 00:00 |
19:43:47.52 |
-16:24:33.8 |
HIP 96950 |
25.09 |
| 2026-06-02 12:00 |
19:43:35.66 |
-16:24:26.3 |
HIP 96950 |
23.00 |
| 2026-06-03 00:00 |
19:43:23.62 |
-16:24:19.4 |
HIP 96950 |
21.07 |
| 2026-06-03 12:00 |
19:43:11.38 |
-16:24:13.1 |
HIP 96950 |
19.37 |
| 2026-06-04 00:00 |
19:42:58.96 |
-16:24:07.4 |
HIP 96950 |
17.98 |
| 2026-06-04 12:00 |
19:42:46.34 |
-16:24:02.3 |
HIP 96950 |
17.00 |
| 2026-06-05 00:00 |
19:42:33.54 |
-16:23:57.7 |
HIP 96950 |
16.53 |
| 2026-06-05 12:00 |
19:42:20.56 |
-16:23:53.7 |
HIP 96950 |
16.65 |
| 2026-06-06 00:00 |
19:42:07.38 |
-16:23:50.2 |
HIP 96950 |
17.36 |
| 2026-06-06 12:00 |
19:41:54.03 |
-16:23:47.4 |
HIP 96808 |
18.06 |
| 2026-06-07 00:00 |
19:41:40.49 |
-16:23:45.1 |
HIP 96808 |
15.03 |
| 2026-06-07 12:00 |
19:41:26.77 |
-16:23:43.3 |
HIP 96808 |
12.09 |
| 2026-06-08 00:00 |
19:41:12.87 |
-16:23:42.2 |
HIP 96808 |
9.36 |
| 2026-06-08 12:00 |
19:40:58.80 |
-16:23:41.5 |
HIP 96808 |
7.14 |
| 2026-06-09 00:00 |
19:40:44.55 |
-16:23:41.5 |
HIP 96808 |
6.11 |
| 2026-06-09 12:00 |
19:40:30.12 |
-16:23:42.0 |
HIP 96808 |
6.88 |
| 2026-06-10 00:00 |
19:40:15.53 |
-16:23:43.0 |
HIP 96808 |
9.06 |
| 2026-06-10 12:00 |
19:40:00.76 |
-16:23:44.6 |
HIP 96808 |
11.93 |
| 2026-06-11 00:00 |
19:39:45.82 |
-16:23:46.7 |
HIP 96808 |
15.12 |
| 2026-06-11 12:00 |
19:39:30.72 |
-16:23:49.4 |
HIP 96808 |
18.50 |
| 2026-06-12 00:00 |
19:39:15.45 |
-16:23:52.6 |
HIP 96808 |
22.00 |
| 2026-06-12 12:00 |
19:39:00.01 |
-16:23:56.4 |
HIP 96808 |
25.59 |
| 2026-06-13 00:00 |
19:38:44.42 |
-16:24:00.7 |
HIP 96510 |
22.17 |
| 2026-06-13 12:00 |
19:38:28.66 |
-16:24:05.5 |
HIP 96510 |
18.41 |
| 2026-06-14 00:00 |
19:38:12.75 |
-16:24:10.9 |
HIP 96510 |
14.64 |
| 2026-06-14 12:00 |
19:37:56.69 |
-16:24:16.7 |
HIP 96510 |
10.86 |
| 2026-06-15 00:00 |
19:37:40.47 |
-16:24:23.1 |
HIP 96510 |
7.12 |
| 2026-06-15 12:00 |
19:37:24.10 |
-16:24:30.0 |
HIP 96510 |
3.69 |
| 2026-06-16 00:00 |
19:37:07.58 |
-16:24:37.5 |
HIP 96510 |
2.75 |
| 2026-06-16 12:00 |
19:36:50.92 |
-16:24:45.4 |
HIP 96510 |
5.77 |
| 2026-06-17 00:00 |
19:36:34.11 |
-16:24:53.8 |
HIP 96510 |
9.58 |
| 2026-06-17 12:00 |
19:36:17.17 |
-16:25:02.7 |
HIP 96510 |
13.55 |
| 2026-06-18 00:00 |
19:36:00.09 |
-16:25:12.1 |
HIP 96510 |
17.60 |
| 2026-06-18 12:00 |
19:35:42.87 |
-16:25:22.0 |
HIP 96255 |
20.33 |
| 2026-06-19 00:00 |
19:35:25.52 |
-16:25:32.4 |
HIP 96255 |
16.25 |
| 2026-06-19 12:00 |
19:35:08.04 |
-16:25:43.3 |
HIP 96255 |
12.21 |
| 2026-06-20 00:00 |
19:34:50.43 |
-16:25:54.6 |
HIP 96255 |
8.29 |
| 2026-06-20 12:00 |
19:34:32.69 |
-16:26:06.4 |
HIP 96255 |
4.92 |
| 2026-06-21 00:00 |
19:34:14.84 |
-16:26:18.6 |
HIP 96255 |
3.99 |
| 2026-06-21 12:00 |
19:33:56.86 |
-16:26:31.3 |
HIP 96255 |
6.69 |
| 2026-06-22 00:00 |
19:33:38.77 |
-16:26:44.4 |
HIP 96255 |
10.56 |