| Parameter |
Value |
| Designation |
P/2023 X3 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2024-04-21T16:49:11.565120Z |
| Orbit solution date (soln_date, UTC) |
2023-12-21T03:13:40Z |
| Obs used |
56 |
| NEO |
- |
| M1 |
14.600 |
| K1 |
10.000 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2023-12-07T08:24:53.740800Z |
| Discovery magnitude (MPC) |
21.15 w |
| Discovery observatory (MPC) |
F52 · Pan-STARRS 2, Haleakala |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2023-12-01.0000000 |
| e |
0.28714596 |
| q (au) |
3.030219 |
| a (au) |
4.250827 |
| i (deg) |
4.483381 |
| Ω (om, deg) |
62.013419 |
| ω (w, deg) |
40.768411 |
| M (ma, deg) |
343.952019 |
Magnitude
Scatter + Global Linear
$$
M_a = (14.202 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
14.202 |
| n |
6.000 |
| gf |
0.999 |
| gb |
-0.651 |
| k |
0.800 |
| 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
Ephemeris
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
14:08:36.63 |
-10:55:11.9 |
HIP 69029 |
17.65 |
| 2026-06-01 12:00 |
14:08:25.36 |
-10:54:38.5 |
HIP 69029 |
16.58 |
| 2026-06-02 00:00 |
14:08:14.26 |
-10:54:06.0 |
HIP 69029 |
15.95 |
| 2026-06-02 12:00 |
14:08:03.36 |
-10:53:34.6 |
HIP 69029 |
15.78 |
| 2026-06-03 00:00 |
14:07:52.64 |
-10:53:04.1 |
HIP 69029 |
16.06 |
| 2026-06-03 12:00 |
14:07:42.11 |
-10:52:34.6 |
HIP 69029 |
16.74 |
| 2026-06-04 00:00 |
14:07:31.77 |
-10:52:06.2 |
HIP 69029 |
17.76 |
| 2026-06-04 12:00 |
14:07:21.63 |
-10:51:38.7 |
HIP 69029 |
19.05 |
| 2026-06-05 00:00 |
14:07:11.67 |
-10:51:12.3 |
HIP 69029 |
20.53 |
| 2026-06-05 12:00 |
14:07:01.91 |
-10:50:46.9 |
HIP 69029 |
22.14 |
| 2026-06-06 00:00 |
14:06:52.34 |
-10:50:22.5 |
HIP 69029 |
23.86 |
| 2026-06-06 12:00 |
14:06:42.97 |
-10:49:59.1 |
HIP 69029 |
25.63 |
| 2026-06-07 00:00 |
14:06:33.80 |
-10:49:36.8 |
HIP 69029 |
27.45 |
| 2026-06-07 12:00 |
14:06:24.82 |
-10:49:15.5 |
HIP 69029 |
29.28 |
| 2026-06-08 00:00 |
14:06:16.04 |
-10:48:55.3 |
HIP 69029 |
31.11 |
| 2026-06-08 12:00 |
14:06:07.46 |
-10:48:36.1 |
HIP 69029 |
32.94 |
| 2026-06-09 00:00 |
14:05:59.08 |
-10:48:18.0 |
HIP 69029 |
34.76 |
| 2026-06-09 12:00 |
14:05:50.90 |
-10:48:00.9 |
HIP 68679 |
34.53 |
| 2026-06-10 00:00 |
14:05:42.92 |
-10:47:44.9 |
HIP 68679 |
32.55 |
| 2026-06-10 12:00 |
14:05:35.14 |
-10:47:30.0 |
HIP 68679 |
30.63 |
| 2026-06-11 00:00 |
14:05:27.57 |
-10:47:16.1 |
HIP 68679 |
28.75 |
| 2026-06-11 12:00 |
14:05:20.20 |
-10:47:03.3 |
HIP 68679 |
26.93 |
| 2026-06-12 00:00 |
14:05:13.04 |
-10:46:51.6 |
HIP 68679 |
25.16 |
| 2026-06-12 12:00 |
14:05:06.08 |
-10:46:41.0 |
HIP 68679 |
23.44 |
| 2026-06-13 00:00 |
14:04:59.33 |
-10:46:31.4 |
HIP 68679 |
21.78 |
| 2026-06-13 12:00 |
14:04:52.79 |
-10:46:22.9 |
HIP 68679 |
20.17 |
| 2026-06-14 00:00 |
14:04:46.45 |
-10:46:15.6 |
HIP 68679 |
18.61 |
| 2026-06-14 12:00 |
14:04:40.33 |
-10:46:09.3 |
HIP 68679 |
17.10 |
| 2026-06-15 00:00 |
14:04:34.41 |
-10:46:04.1 |
HIP 68679 |
15.65 |
| 2026-06-15 12:00 |
14:04:28.70 |
-10:46:00.0 |
HIP 68679 |
14.25 |
| 2026-06-16 00:00 |
14:04:23.20 |
-10:45:57.0 |
HIP 68679 |
12.91 |
| 2026-06-16 12:00 |
14:04:17.91 |
-10:45:55.1 |
HIP 68679 |
11.62 |
| 2026-06-17 00:00 |
14:04:12.83 |
-10:45:54.3 |
HIP 68679 |
10.40 |
| 2026-06-17 12:00 |
14:04:07.96 |
-10:45:54.6 |
HIP 68679 |
9.23 |
| 2026-06-18 00:00 |
14:04:03.30 |
-10:45:56.0 |
HIP 68679 |
8.12 |
| 2026-06-18 12:00 |
14:03:58.86 |
-10:45:58.5 |
HIP 68679 |
7.08 |
| 2026-06-19 00:00 |
14:03:54.62 |
-10:46:02.1 |
HIP 68679 |
6.12 |
| 2026-06-19 12:00 |
14:03:50.60 |
-10:46:06.8 |
HIP 68679 |
5.24 |
| 2026-06-20 00:00 |
14:03:46.78 |
-10:46:12.6 |
HIP 68679 |
4.46 |
| 2026-06-20 12:00 |
14:03:43.18 |
-10:46:19.4 |
HIP 68679 |
3.81 |
| 2026-06-21 00:00 |
14:03:39.79 |
-10:46:27.4 |
HIP 68679 |
3.32 |
| 2026-06-21 12:00 |
14:03:36.61 |
-10:46:36.5 |
HIP 68679 |
3.03 |
| 2026-06-22 00:00 |
14:03:33.64 |
-10:46:46.6 |
HIP 68679 |
2.96 |