| Parameter |
Value |
| Designation |
P/2024 X3 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2024-09-05T18:39:39.300480Z |
| Orbit solution date (soln_date, UTC) |
2026-04-14T13:42:28Z |
| Obs used |
112 |
| NEO |
- |
| M1 |
16.300 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-12-08T13:42:54.835200Z |
| Discovery magnitude (MPC) |
21.06 w |
| Discovery observatory (MPC) |
F52 · Pan-STARRS 2, Haleakala |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2025-02-25.0000000 |
| e |
0.62625621 |
| q (au) |
2.614099 |
| a (au) |
6.994361 |
| i (deg) |
2.972370 |
| Ω (om, deg) |
113.365122 |
| ω (w, deg) |
352.941167 |
| M (ma, deg) |
9.176389 |
Magnitude
Scatter + Global Linear
$$
M_a = (16.514 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
16.514 |
| n |
2.000 |
| gf |
0.970 |
| gb |
-0.865 |
| k |
0.995 |
| δ90 |
1.000 |
| 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 |
13:50:34.41 |
-07:32:08.0 |
HIP 67553 |
3.81 |
| 2026-05-12 12:00 |
13:50:20.98 |
-07:31:05.1 |
HIP 67553 |
5.61 |
| 2026-05-13 00:00 |
13:50:07.66 |
-07:30:03.1 |
HIP 67553 |
8.50 |
| 2026-05-13 12:00 |
13:49:54.45 |
-07:29:01.9 |
HIP 67553 |
11.68 |
| 2026-05-14 00:00 |
13:49:41.37 |
-07:28:01.5 |
HIP 67433 |
11.56 |
| 2026-05-14 12:00 |
13:49:28.42 |
-07:27:02.0 |
HIP 67433 |
9.05 |
| 2026-05-15 00:00 |
13:49:15.58 |
-07:26:03.3 |
HIP 67433 |
7.28 |
| 2026-05-15 12:00 |
13:49:02.88 |
-07:25:05.5 |
HIP 67433 |
6.81 |
| 2026-05-16 00:00 |
13:48:50.30 |
-07:24:08.6 |
HIP 67433 |
7.83 |
| 2026-05-16 12:00 |
13:48:37.85 |
-07:23:12.5 |
HIP 67433 |
9.85 |
| 2026-05-17 00:00 |
13:48:25.53 |
-07:22:17.3 |
HIP 67433 |
12.36 |
| 2026-05-17 12:00 |
13:48:13.35 |
-07:21:23.0 |
HIP 67433 |
15.10 |
| 2026-05-18 00:00 |
13:48:01.30 |
-07:20:29.6 |
HIP 67433 |
17.95 |
| 2026-05-18 12:00 |
13:47:49.40 |
-07:19:37.2 |
HIP 67433 |
20.84 |
| 2026-05-19 00:00 |
13:47:37.62 |
-07:18:45.6 |
HIP 67433 |
23.74 |
| 2026-05-19 12:00 |
13:47:25.99 |
-07:17:55.0 |
HIP 67433 |
26.64 |
| 2026-05-20 00:00 |
13:47:14.51 |
-07:17:05.3 |
HIP 67433 |
29.52 |
| 2026-05-20 12:00 |
13:47:03.16 |
-07:16:16.5 |
HIP 67355 |
31.98 |
| 2026-05-21 00:00 |
13:46:51.96 |
-07:15:28.7 |
HIP 67355 |
33.06 |
| 2026-05-21 12:00 |
13:46:40.91 |
-07:14:41.9 |
HIP 67289 |
34.21 |
| 2026-05-22 00:00 |
13:46:30.00 |
-07:13:56.0 |
HIP 67082 |
33.39 |
| 2026-05-22 12:00 |
13:46:19.24 |
-07:13:11.0 |
HIP 67082 |
32.18 |
| 2026-05-23 00:00 |
13:46:08.63 |
-07:12:27.0 |
HIP 67082 |
31.18 |
| 2026-05-23 12:00 |
13:45:58.18 |
-07:11:44.0 |
HIP 67082 |
30.40 |
| 2026-05-24 00:00 |
13:45:47.87 |
-07:11:02.0 |
HIP 67082 |
29.84 |
| 2026-05-24 12:00 |
13:45:37.72 |
-07:10:20.9 |
HIP 67082 |
29.50 |
| 2026-05-25 00:00 |
13:45:27.72 |
-07:09:40.9 |
HIP 67082 |
29.39 |
| 2026-05-25 12:00 |
13:45:17.88 |
-07:09:01.8 |
HIP 67082 |
29.50 |
| 2026-05-26 00:00 |
13:45:08.19 |
-07:08:23.7 |
HIP 66972 |
28.78 |
| 2026-05-26 12:00 |
13:44:58.66 |
-07:07:46.6 |
HIP 66972 |
27.32 |
| 2026-05-27 00:00 |
13:44:49.28 |
-07:07:10.5 |
HIP 66972 |
26.03 |
| 2026-05-27 12:00 |
13:44:40.07 |
-07:06:35.4 |
HIP 66972 |
24.91 |
| 2026-05-28 00:00 |
13:44:31.01 |
-07:06:01.3 |
HIP 66972 |
23.99 |
| 2026-05-28 12:00 |
13:44:22.11 |
-07:05:28.2 |
HIP 66972 |
23.27 |
| 2026-05-29 00:00 |
13:44:13.38 |
-07:04:56.1 |
HIP 66972 |
22.75 |
| 2026-05-29 12:00 |
13:44:04.80 |
-07:04:25.0 |
HIP 66972 |
22.44 |
| 2026-05-30 00:00 |
13:43:56.39 |
-07:03:54.9 |
HIP 66972 |
22.33 |
| 2026-05-30 12:00 |
13:43:48.14 |
-07:03:25.9 |
HIP 66972 |
22.42 |
| 2026-05-31 00:00 |
13:43:40.05 |
-07:02:57.8 |
HIP 66972 |
22.69 |
| 2026-05-31 12:00 |
13:43:32.13 |
-07:02:30.8 |
HIP 66853 |
22.74 |
| 2026-06-01 00:00 |
13:43:24.37 |
-07:02:04.8 |
HIP 66853 |
20.77 |
| 2026-06-01 12:00 |
13:43:16.78 |
-07:01:39.8 |
HIP 66853 |
18.84 |
| 2026-06-02 00:00 |
13:43:09.35 |
-07:01:15.8 |
HIP 66853 |
16.96 |