| Parameter |
Value |
| Designation |
P/2024 Q1 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2024-06-14T12:42:16.583040Z |
| Orbit solution date (soln_date, UTC) |
2024-10-31T13:12:25Z |
| Obs used |
106 |
| NEO |
- |
| M1 |
18.700 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-08-27T13:01:30.921600Z |
| Discovery magnitude (MPC) |
20.21 w |
| Discovery observatory (MPC) |
F51 · Pan-STARRS 1, Haleakala |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2024-09-07.0000000 |
| e |
0.53479138 |
| q (au) |
1.636333 |
| a (au) |
3.517418 |
| i (deg) |
5.015508 |
| Ω (om, deg) |
23.138189 |
| ω (w, deg) |
284.407930 |
| M (ma, deg) |
12.620424 |
Magnitude
Scatter + Global Linear
$$
M_a = (19.503 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
19.503 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.691 |
| k |
0.943 |
| 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) |
| 2026-03-26 00:00 |
05:22:31.68 |
+27:46:43.0 |
HIP 25112 |
19.41 |
| 2026-03-26 12:00 |
05:22:48.94 |
+27:46:34.2 |
HIP 25112 |
19.79 |
| 2026-03-27 00:00 |
05:23:06.37 |
+27:46:25.5 |
HIP 25112 |
20.88 |
| 2026-03-27 12:00 |
05:23:23.96 |
+27:46:17.1 |
HIP 25112 |
22.61 |
| 2026-03-28 00:00 |
05:23:41.72 |
+27:46:08.8 |
HIP 25112 |
24.84 |
| 2026-03-28 12:00 |
05:23:59.64 |
+27:46:00.6 |
HIP 25112 |
27.48 |
| 2026-03-29 00:00 |
05:24:17.71 |
+27:45:52.6 |
HIP 25112 |
30.43 |
| 2026-03-29 12:00 |
05:24:35.95 |
+27:45:44.8 |
HIP 25484 |
33.45 |
| 2026-03-30 00:00 |
05:24:54.35 |
+27:45:37.0 |
HIP 25484 |
29.51 |
| 2026-03-30 12:00 |
05:25:12.90 |
+27:45:29.4 |
HIP 25484 |
25.59 |
| 2026-03-31 00:00 |
05:25:31.61 |
+27:45:22.0 |
HIP 25484 |
21.70 |
| 2026-03-31 12:00 |
05:25:50.47 |
+27:45:14.6 |
HIP 25484 |
17.90 |
| 2026-04-01 00:00 |
05:26:09.48 |
+27:45:07.4 |
HIP 25484 |
14.29 |
| 2026-04-01 12:00 |
05:26:28.65 |
+27:45:00.3 |
HIP 25484 |
11.08 |
| 2026-04-02 00:00 |
05:26:47.96 |
+27:44:53.4 |
HIP 25484 |
8.79 |
| 2026-04-02 12:00 |
05:27:07.42 |
+27:44:46.5 |
HIP 25484 |
8.27 |
| 2026-04-03 00:00 |
05:27:27.03 |
+27:44:39.7 |
HIP 25484 |
9.86 |
| 2026-04-03 12:00 |
05:27:46.79 |
+27:44:33.1 |
HIP 25484 |
12.82 |
| 2026-04-04 00:00 |
05:28:06.69 |
+27:44:26.5 |
HIP 25484 |
16.45 |
| 2026-04-04 12:00 |
05:28:26.73 |
+27:44:20.0 |
HIP 25484 |
20.42 |
| 2026-04-05 00:00 |
05:28:46.91 |
+27:44:13.7 |
HIP 25484 |
24.59 |
| 2026-04-05 12:00 |
05:29:07.24 |
+27:44:07.4 |
HIP 25484 |
28.87 |
| 2026-04-06 00:00 |
05:29:27.71 |
+27:44:01.2 |
HIP 25871 |
25.54 |
| 2026-04-06 12:00 |
05:29:48.31 |
+27:43:55.0 |
HIP 25871 |
21.01 |
| 2026-04-07 00:00 |
05:30:09.06 |
+27:43:49.0 |
HIP 25871 |
16.47 |
| 2026-04-07 12:00 |
05:30:29.94 |
+27:43:43.0 |
HIP 25871 |
11.93 |
| 2026-04-08 00:00 |
05:30:50.95 |
+27:43:37.0 |
HIP 25871 |
7.47 |
| 2026-04-08 12:00 |
05:31:12.10 |
+27:43:31.2 |
HIP 25871 |
3.53 |
| 2026-04-09 00:00 |
05:31:33.38 |
+27:43:25.4 |
HIP 25871 |
3.60 |
| 2026-04-09 12:00 |
05:31:54.80 |
+27:43:19.6 |
HIP 25871 |
7.63 |
| 2026-04-10 00:00 |
05:32:16.34 |
+27:43:13.9 |
HIP 25871 |
12.21 |
| 2026-04-10 12:00 |
05:32:38.02 |
+27:43:08.3 |
HIP 25871 |
16.93 |
| 2026-04-11 00:00 |
05:32:59.82 |
+27:43:02.7 |
HIP 25871 |
21.70 |
| 2026-04-11 12:00 |
05:33:21.75 |
+27:42:57.1 |
HIP 26162 |
26.39 |
| 2026-04-12 00:00 |
05:33:43.81 |
+27:42:51.5 |
HIP 26162 |
23.61 |
| 2026-04-12 12:00 |
05:34:05.99 |
+27:42:46.0 |
HIP 26162 |
21.57 |
| 2026-04-13 00:00 |
05:34:28.30 |
+27:42:40.5 |
HIP 26291 |
19.53 |
| 2026-04-13 12:00 |
05:34:50.73 |
+27:42:35.1 |
HIP 26291 |
14.62 |
| 2026-04-14 00:00 |
05:35:13.28 |
+27:42:29.6 |
HIP 26291 |
9.75 |
| 2026-04-14 12:00 |
05:35:35.95 |
+27:42:24.2 |
HIP 26291 |
5.08 |
| 2026-04-15 00:00 |
05:35:58.74 |
+27:42:18.8 |
HIP 26291 |
2.66 |
| 2026-04-15 12:00 |
05:36:21.65 |
+27:42:13.3 |
HIP 26291 |
6.29 |
| 2026-04-16 00:00 |
05:36:44.68 |
+27:42:07.9 |
HIP 26291 |
11.14 |