| 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) |
| 2026-05-12 00:00 |
19:48:59.76 |
-16:38:40.5 |
HIP 97460 |
29.51 |
| 2026-05-12 12:00 |
19:48:56.73 |
-16:38:08.2 |
HIP 97460 |
28.84 |
| 2026-05-13 00:00 |
19:48:53.47 |
-16:37:36.5 |
HIP 97460 |
28.18 |
| 2026-05-13 12:00 |
19:48:50.00 |
-16:37:05.4 |
HIP 97460 |
27.54 |
| 2026-05-14 00:00 |
19:48:46.31 |
-16:36:34.9 |
HIP 97460 |
26.92 |
| 2026-05-14 12:00 |
19:48:42.40 |
-16:36:04.9 |
HIP 97460 |
26.34 |
| 2026-05-15 00:00 |
19:48:38.27 |
-16:35:35.5 |
HIP 97460 |
25.79 |
| 2026-05-15 12:00 |
19:48:33.92 |
-16:35:06.8 |
HIP 97460 |
25.29 |
| 2026-05-16 00:00 |
19:48:29.35 |
-16:34:38.6 |
HIP 97460 |
24.85 |
| 2026-05-16 12:00 |
19:48:24.56 |
-16:34:11.0 |
HIP 97460 |
24.46 |
| 2026-05-17 00:00 |
19:48:19.56 |
-16:33:43.9 |
HIP 97460 |
24.16 |
| 2026-05-17 12:00 |
19:48:14.33 |
-16:33:17.5 |
HIP 97460 |
23.94 |
| 2026-05-18 00:00 |
19:48:08.89 |
-16:32:51.7 |
HIP 97460 |
23.81 |
| 2026-05-18 12:00 |
19:48:03.23 |
-16:32:26.5 |
HIP 97460 |
23.79 |
| 2026-05-19 00:00 |
19:47:57.36 |
-16:32:01.8 |
HIP 97460 |
23.88 |
| 2026-05-19 12:00 |
19:47:51.26 |
-16:31:37.8 |
HIP 97460 |
24.09 |
| 2026-05-20 00:00 |
19:47:44.96 |
-16:31:14.3 |
HIP 97460 |
24.43 |
| 2026-05-20 12:00 |
19:47:38.43 |
-16:30:51.5 |
HIP 97303 |
24.24 |
| 2026-05-21 00:00 |
19:47:31.70 |
-16:30:29.2 |
HIP 97303 |
22.93 |
| 2026-05-21 12:00 |
19:47:24.75 |
-16:30:07.6 |
HIP 97303 |
21.63 |
| 2026-05-22 00:00 |
19:47:17.58 |
-16:29:46.5 |
HIP 97303 |
20.38 |
| 2026-05-22 12:00 |
19:47:10.20 |
-16:29:26.1 |
HIP 97303 |
19.19 |
| 2026-05-23 00:00 |
19:47:02.61 |
-16:29:06.2 |
HIP 97303 |
18.09 |
| 2026-05-23 12:00 |
19:46:54.81 |
-16:28:47.0 |
HIP 97303 |
17.11 |
| 2026-05-24 00:00 |
19:46:46.80 |
-16:28:28.3 |
HIP 97303 |
16.30 |
| 2026-05-24 12:00 |
19:46:38.58 |
-16:28:10.3 |
HIP 97303 |
15.69 |
| 2026-05-25 00:00 |
19:46:30.15 |
-16:27:52.8 |
HIP 97303 |
15.33 |
| 2026-05-25 12:00 |
19:46:21.51 |
-16:27:35.9 |
HIP 97303 |
15.26 |
| 2026-05-26 00:00 |
19:46:12.67 |
-16:27:19.6 |
HIP 97303 |
15.49 |
| 2026-05-26 12:00 |
19:46:03.61 |
-16:27:04.0 |
HIP 97303 |
16.04 |
| 2026-05-27 00:00 |
19:45:54.36 |
-16:26:48.9 |
HIP 97303 |
16.90 |
| 2026-05-27 12:00 |
19:45:44.89 |
-16:26:34.4 |
HIP 97303 |
18.03 |
| 2026-05-28 00:00 |
19:45:35.22 |
-16:26:20.5 |
HIP 97303 |
19.40 |
| 2026-05-28 12:00 |
19:45:25.35 |
-16:26:07.2 |
HIP 97303 |
20.99 |
| 2026-05-29 00:00 |
19:45:15.28 |
-16:25:54.4 |
HIP 97303 |
22.77 |
| 2026-05-29 12:00 |
19:45:05.00 |
-16:25:42.3 |
HIP 97303 |
24.70 |
| 2026-05-30 00:00 |
19:44:54.53 |
-16:25:30.8 |
HIP 97303 |
26.77 |
| 2026-05-30 12:00 |
19:44:43.85 |
-16:25:19.8 |
HIP 97303 |
28.95 |
| 2026-05-31 00:00 |
19:44:32.98 |
-16:25:09.4 |
HIP 97303 |
31.25 |
| 2026-05-31 12:00 |
19:44:21.91 |
-16:24:59.6 |
HIP 96950 |
31.87 |
| 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 |