P/2024 F1 (PANSTARRS)
| 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) |
| 2026-02-03 00:00 |
19:00:47.87 |
-19:59:12.4 |
HIP 93336 |
19.91 |
| 2026-02-03 12:00 |
19:01:15.19 |
-19:58:12.4 |
HIP 93336 |
20.85 |
| 2026-02-04 00:00 |
19:01:42.44 |
-19:57:12.1 |
HIP 93336 |
23.61 |
| 2026-02-04 12:00 |
19:02:09.62 |
-19:56:11.5 |
HIP 93581 |
22.75 |
| 2026-02-05 00:00 |
19:02:36.72 |
-19:55:10.6 |
HIP 93581 |
18.24 |
| 2026-02-05 12:00 |
19:03:03.75 |
-19:54:09.4 |
HIP 93581 |
15.21 |
| 2026-02-06 00:00 |
19:03:30.69 |
-19:53:08.0 |
HIP 93581 |
14.59 |
| 2026-02-06 12:00 |
19:03:57.56 |
-19:52:06.2 |
HIP 93581 |
16.63 |
| 2026-02-07 00:00 |
19:04:24.35 |
-19:51:04.2 |
HIP 93659 |
17.54 |
| 2026-02-07 12:00 |
19:04:51.06 |
-19:50:02.0 |
HIP 93659 |
20.06 |
| 2026-02-08 00:00 |
19:05:17.69 |
-19:48:59.4 |
HIP 93785 |
22.22 |
| 2026-02-08 12:00 |
19:05:44.24 |
-19:47:56.6 |
HIP 93785 |
19.33 |
| 2026-02-09 00:00 |
19:06:10.71 |
-19:46:53.5 |
HIP 93869 |
16.84 |
| 2026-02-09 12:00 |
19:06:37.09 |
-19:45:50.2 |
HIP 93869 |
14.32 |
| 2026-02-10 00:00 |
19:07:03.39 |
-19:44:46.6 |
HIP 93870 |
14.31 |
| 2026-02-10 12:00 |
19:07:29.60 |
-19:43:42.7 |
HIP 93870 |
16.76 |
| 2026-02-11 00:00 |
19:07:55.73 |
-19:42:38.6 |
HIP 94021 |
15.51 |
| 2026-02-11 12:00 |
19:08:21.77 |
-19:41:34.3 |
HIP 94021 |
14.16 |
| 2026-02-12 00:00 |
19:08:47.72 |
-19:40:29.7 |
HIP 94021 |
15.41 |
| 2026-02-12 12:00 |
19:09:13.58 |
-19:39:24.9 |
HIP 94144 |
11.98 |
| 2026-02-13 00:00 |
19:09:39.36 |
-19:38:19.8 |
HIP 94144 |
10.09 |
| 2026-02-13 12:00 |
19:10:05.04 |
-19:37:14.6 |
HIP 94144 |
11.66 |
| 2026-02-14 00:00 |
19:10:30.64 |
-19:36:09.1 |
HIP 94144 |
15.67 |
| 2026-02-14 12:00 |
19:10:56.14 |
-19:35:03.3 |
HIP 94144 |
20.72 |
| 2026-02-15 00:00 |
19:11:21.55 |
-19:33:57.4 |
HIP 94309 |
23.28 |
| 2026-02-15 12:00 |
19:11:46.86 |
-19:32:51.2 |
HIP 94309 |
21.50 |
| 2026-02-16 00:00 |
19:12:12.08 |
-19:31:44.9 |
HIP 94394 |
19.19 |
| 2026-02-16 12:00 |
19:12:37.20 |
-19:30:38.3 |
HIP 94394 |
16.61 |
| 2026-02-17 00:00 |
19:13:02.23 |
-19:29:31.5 |
HIP 94394 |
15.99 |
| 2026-02-17 12:00 |
19:13:27.15 |
-19:28:24.6 |
HIP 94394 |
17.53 |
| 2026-02-18 00:00 |
19:13:51.98 |
-19:27:17.4 |
HIP 94394 |
20.72 |
| 2026-02-18 12:00 |
19:14:16.71 |
-19:26:10.1 |
HIP 94394 |
24.94 |
| 2026-02-19 00:00 |
19:14:41.34 |
-19:25:02.6 |
HIP 94637 |
24.57 |
| 2026-02-19 12:00 |
19:15:05.87 |
-19:23:54.9 |
HIP 94738 |
23.27 |
| 2026-02-20 00:00 |
19:15:30.30 |
-19:22:47.0 |
HIP 94738 |
17.41 |
| 2026-02-20 12:00 |
19:15:54.62 |
-19:21:39.0 |
HIP 94738 |
11.58 |
| 2026-02-21 00:00 |
19:16:18.84 |
-19:20:30.8 |
HIP 94738 |
5.79 |
| 2026-02-21 12:00 |
19:16:42.95 |
-19:19:22.4 |
HIP 94738 |
0.95 |
| 2026-02-22 00:00 |
19:17:06.96 |
-19:18:13.9 |
HIP 94738 |
5.94 |
| 2026-02-22 12:00 |
19:17:30.86 |
-19:17:05.2 |
HIP 94738 |
11.66 |
| 2026-02-23 00:00 |
19:17:54.65 |
-19:15:56.4 |
HIP 94738 |
17.38 |
| 2026-02-23 12:00 |
19:18:18.34 |
-19:14:47.5 |
HIP 94820 |
20.02 |
| 2026-02-24 00:00 |
19:18:41.91 |
-19:13:38.4 |
HIP 95014 |
20.07 |