| 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 |
0.999 |
| 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) |
| 2026-07-29 00:00 |
07:14:57.88 |
+26:28:41.1 |
HIP 35065 |
27.98 |
| 2026-07-29 12:00 |
07:15:25.88 |
+26:28:01.2 |
HIP 35273 |
25.34 |
| 2026-07-30 00:00 |
07:15:53.83 |
+26:27:21.2 |
HIP 35273 |
19.13 |
| 2026-07-30 12:00 |
07:16:21.72 |
+26:26:41.1 |
HIP 35273 |
13.01 |
| 2026-07-31 00:00 |
07:16:49.57 |
+26:26:01.0 |
HIP 35273 |
7.18 |
| 2026-07-31 12:00 |
07:17:17.36 |
+26:25:20.7 |
HIP 35273 |
3.54 |
| 2026-08-01 00:00 |
07:17:45.10 |
+26:24:40.4 |
HIP 35333 |
5.14 |
| 2026-08-01 12:00 |
07:18:12.79 |
+26:24:00.0 |
HIP 35333 |
5.73 |
| 2026-08-02 00:00 |
07:18:40.42 |
+26:23:19.6 |
HIP 35333 |
10.81 |
| 2026-08-02 12:00 |
07:19:08.00 |
+26:22:39.1 |
HIP 35333 |
16.67 |
| 2026-08-03 00:00 |
07:19:35.52 |
+26:21:58.5 |
HIP 35333 |
22.71 |
| 2026-08-03 12:00 |
07:20:02.99 |
+26:21:17.8 |
HIP 35639 |
18.28 |
| 2026-08-04 00:00 |
07:20:30.40 |
+26:20:37.2 |
HIP 35639 |
13.57 |
| 2026-08-04 12:00 |
07:20:57.75 |
+26:19:56.4 |
HIP 35639 |
10.51 |
| 2026-08-05 00:00 |
07:21:25.05 |
+26:19:15.6 |
HIP 35664 |
9.86 |
| 2026-08-05 12:00 |
07:21:52.28 |
+26:18:34.8 |
HIP 35664 |
10.02 |
| 2026-08-06 00:00 |
07:22:19.46 |
+26:17:53.9 |
HIP 35664 |
13.38 |
| 2026-08-06 12:00 |
07:22:46.57 |
+26:17:13.0 |
HIP 35664 |
18.23 |
| 2026-08-07 00:00 |
07:23:13.62 |
+26:16:32.0 |
HIP 35664 |
23.66 |
| 2026-08-07 12:00 |
07:23:40.62 |
+26:15:51.0 |
HIP 35967 |
26.58 |
| 2026-08-08 00:00 |
07:24:07.55 |
+26:15:10.0 |
HIP 35967 |
24.29 |
| 2026-08-08 12:00 |
07:24:34.41 |
+26:14:29.0 |
HIP 35967 |
23.38 |
| 2026-08-09 00:00 |
07:25:01.21 |
+26:13:47.9 |
HIP 36110 |
23.93 |
| 2026-08-09 12:00 |
07:25:27.95 |
+26:13:06.8 |
HIP 36110 |
19.46 |
| 2026-08-10 00:00 |
07:25:54.62 |
+26:12:25.7 |
HIP 36110 |
16.06 |
| 2026-08-10 12:00 |
07:26:21.23 |
+26:11:44.6 |
HIP 36110 |
14.49 |
| 2026-08-11 00:00 |
07:26:47.76 |
+26:11:03.5 |
HIP 36110 |
15.29 |
| 2026-08-11 12:00 |
07:27:14.23 |
+26:10:22.4 |
HIP 36262 |
10.97 |
| 2026-08-12 00:00 |
07:27:40.63 |
+26:09:41.3 |
HIP 36262 |
6.03 |
| 2026-08-12 12:00 |
07:28:06.96 |
+26:09:00.2 |
HIP 36262 |
4.84 |
| 2026-08-13 00:00 |
07:28:33.22 |
+26:08:19.2 |
HIP 36262 |
9.00 |
| 2026-08-13 12:00 |
07:28:59.40 |
+26:07:38.1 |
HIP 36262 |
14.43 |
| 2026-08-14 00:00 |
07:29:25.52 |
+26:06:57.1 |
HIP 36262 |
20.13 |
| 2026-08-14 12:00 |
07:29:51.56 |
+26:06:16.1 |
HIP 36262 |
25.90 |
| 2026-08-15 00:00 |
07:30:17.52 |
+26:05:35.1 |
HIP 36601 |
28.67 |
| 2026-08-15 12:00 |
07:30:43.41 |
+26:04:54.1 |
HIP 36601 |
25.98 |
| 2026-08-16 00:00 |
07:31:09.23 |
+26:04:13.2 |
HIP 36601 |
24.42 |
| 2026-08-16 12:00 |
07:31:34.97 |
+26:03:32.4 |
HIP 36725 |
22.19 |
| 2026-08-17 00:00 |
07:32:00.63 |
+26:02:51.5 |
HIP 36725 |
16.66 |
| 2026-08-17 12:00 |
07:32:26.21 |
+26:02:10.8 |
HIP 36725 |
11.43 |
| 2026-08-18 00:00 |
07:32:51.72 |
+26:01:30.1 |
HIP 36725 |
7.11 |
| 2026-08-18 12:00 |
07:33:17.14 |
+26:00:49.4 |
HIP 36725 |
6.09 |
| 2026-08-19 00:00 |
07:33:42.49 |
+26:00:08.8 |
HIP 36725 |
9.45 |