| 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) |
| 2026-06-01 00:00 |
06:17:59.37 |
+27:26:56.0 |
HIP 29866 |
12.90 |
| 2026-06-01 12:00 |
06:18:28.77 |
+27:26:38.2 |
HIP 29955 |
14.13 |
| 2026-06-02 00:00 |
06:18:58.20 |
+27:26:20.1 |
HIP 30101 |
15.06 |
| 2026-06-02 12:00 |
06:19:27.66 |
+27:26:01.7 |
HIP 30101 |
8.68 |
| 2026-06-03 00:00 |
06:19:57.14 |
+27:25:43.2 |
HIP 30101 |
3.09 |
| 2026-06-03 12:00 |
06:20:26.65 |
+27:25:24.4 |
HIP 30101 |
5.43 |
| 2026-06-04 00:00 |
06:20:56.19 |
+27:25:05.4 |
HIP 30101 |
11.64 |
| 2026-06-04 12:00 |
06:21:25.75 |
+27:24:46.2 |
HIP 30101 |
18.11 |
| 2026-06-05 00:00 |
06:21:55.33 |
+27:24:26.8 |
HIP 30349 |
14.59 |
| 2026-06-05 12:00 |
06:22:24.93 |
+27:24:07.1 |
HIP 30349 |
8.25 |
| 2026-06-06 00:00 |
06:22:54.56 |
+27:23:47.2 |
HIP 30349 |
3.11 |
| 2026-06-06 12:00 |
06:23:24.21 |
+27:23:27.1 |
HIP 30349 |
6.18 |
| 2026-06-07 00:00 |
06:23:53.88 |
+27:23:06.8 |
HIP 30349 |
12.39 |
| 2026-06-07 12:00 |
06:24:23.57 |
+27:22:46.2 |
HIP 30349 |
18.87 |
| 2026-06-08 00:00 |
06:24:53.28 |
+27:22:25.4 |
HIP 30396 |
24.01 |
| 2026-06-08 12:00 |
06:25:23.01 |
+27:22:04.3 |
HIP 30396 |
29.22 |
| 2026-06-09 00:00 |
06:25:52.76 |
+27:21:43.1 |
HIP 30396 |
34.91 |
| 2026-06-09 12:00 |
06:26:22.53 |
+27:21:21.6 |
HIP 30823 |
33.25 |
| 2026-06-10 00:00 |
06:26:52.31 |
+27:20:59.9 |
HIP 30823 |
27.96 |
| 2026-06-10 12:00 |
06:27:22.11 |
+27:20:37.9 |
HIP 30823 |
23.36 |
| 2026-06-11 00:00 |
06:27:51.92 |
+27:20:15.7 |
HIP 30823 |
19.92 |
| 2026-06-11 12:00 |
06:28:21.75 |
+27:19:53.3 |
HIP 30823 |
18.33 |
| 2026-06-12 00:00 |
06:28:51.60 |
+27:19:30.6 |
HIP 30823 |
19.06 |
| 2026-06-12 12:00 |
06:29:21.46 |
+27:19:07.8 |
HIP 30893 |
18.86 |
| 2026-06-13 00:00 |
06:29:51.33 |
+27:18:44.7 |
HIP 30893 |
20.80 |
| 2026-06-13 12:00 |
06:30:21.21 |
+27:18:21.3 |
HIP 30984 |
21.53 |
| 2026-06-14 00:00 |
06:30:51.10 |
+27:17:57.7 |
HIP 30984 |
22.93 |
| 2026-06-14 12:00 |
06:31:21.01 |
+27:17:33.9 |
HIP 30984 |
26.01 |
| 2026-06-15 00:00 |
06:31:50.92 |
+27:17:09.9 |
HIP 30984 |
30.27 |
| 2026-06-15 12:00 |
06:32:20.84 |
+27:16:45.7 |
HIP 31310 |
25.78 |
| 2026-06-16 00:00 |
06:32:50.77 |
+27:16:21.2 |
HIP 31310 |
20.25 |
| 2026-06-16 12:00 |
06:33:20.70 |
+27:15:56.4 |
HIP 31310 |
15.63 |
| 2026-06-17 00:00 |
06:33:50.65 |
+27:15:31.5 |
HIP 31310 |
12.94 |
| 2026-06-17 12:00 |
06:34:20.59 |
+27:15:06.3 |
HIP 31310 |
13.40 |
| 2026-06-18 00:00 |
06:34:50.54 |
+27:14:40.9 |
HIP 31310 |
16.75 |
| 2026-06-18 12:00 |
06:35:20.50 |
+27:14:15.3 |
HIP 31568 |
14.82 |
| 2026-06-19 00:00 |
06:35:50.45 |
+27:13:49.4 |
HIP 31568 |
8.47 |
| 2026-06-19 12:00 |
06:36:20.41 |
+27:13:23.3 |
HIP 31568 |
3.57 |
| 2026-06-20 00:00 |
06:36:50.37 |
+27:12:57.0 |
HIP 31568 |
6.55 |
| 2026-06-20 12:00 |
06:37:20.33 |
+27:12:30.5 |
HIP 31568 |
12.73 |
| 2026-06-21 00:00 |
06:37:50.29 |
+27:12:03.7 |
HIP 31568 |
19.25 |
| 2026-06-21 12:00 |
06:38:20.25 |
+27:11:36.8 |
HIP 31759 |
17.61 |
| 2026-06-22 00:00 |
06:38:50.21 |
+27:11:09.6 |
HIP 31759 |
17.15 |