P/2023 V2 (PANSTARRS)
| Parameter |
Value |
| Designation |
P/2023 V2 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2024-02-03T20:53:18.144960Z |
| Orbit solution date (soln_date, UTC) |
2025-05-08T09:42:26Z |
| Obs used |
316 |
| NEO |
- |
| M1 |
14.100 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2023-11-04T11:11:35.923200Z |
| Discovery magnitude (MPC) |
20.53 w |
| Discovery observatory (MPC) |
F52 · Pan-STARRS 2, Haleakala |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2024-10-09.0000000 |
| e |
0.57061738 |
| q (au) |
3.104128 |
| a (au) |
7.229282 |
| i (deg) |
9.887990 |
| Ω (om, deg) |
95.472818 |
| ω (w, deg) |
330.543338 |
| M (ma, deg) |
12.581719 |
Magnitude
Scatter + Global Linear
$$
M_a = (16.812 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
16.812 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.755 |
| 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
Finding Chart
Ephemeris
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-02-03 00:00 |
12:03:50.57 |
+11:35:02.0 |
HIP 58932 |
22.74 |
| 2026-02-03 12:00 |
12:03:43.17 |
+11:36:43.9 |
HIP 58721 |
22.35 |
| 2026-02-04 00:00 |
12:03:35.61 |
+11:38:26.3 |
HIP 58721 |
19.84 |
| 2026-02-04 12:00 |
12:03:27.90 |
+11:40:09.2 |
HIP 58721 |
17.29 |
| 2026-02-05 00:00 |
12:03:20.04 |
+11:41:52.7 |
HIP 58721 |
14.71 |
| 2026-02-05 12:00 |
12:03:12.02 |
+11:43:36.7 |
HIP 58721 |
12.11 |
| 2026-02-06 00:00 |
12:03:03.85 |
+11:45:21.3 |
HIP 58721 |
9.48 |
| 2026-02-06 12:00 |
12:02:55.52 |
+11:47:06.4 |
HIP 58721 |
6.85 |
| 2026-02-07 00:00 |
12:02:47.05 |
+11:48:51.9 |
HIP 58721 |
4.26 |
| 2026-02-07 12:00 |
12:02:38.43 |
+11:50:37.9 |
HIP 58721 |
2.02 |
| 2026-02-08 00:00 |
12:02:29.66 |
+11:52:24.4 |
HIP 58721 |
2.32 |
| 2026-02-08 12:00 |
12:02:20.74 |
+11:54:11.3 |
HIP 58721 |
4.74 |
| 2026-02-09 00:00 |
12:02:11.68 |
+11:55:58.6 |
HIP 58721 |
7.48 |
| 2026-02-09 12:00 |
12:02:02.47 |
+11:57:46.3 |
HIP 58721 |
10.32 |
| 2026-02-10 00:00 |
12:01:53.12 |
+11:59:34.5 |
HIP 58721 |
13.20 |
| 2026-02-10 12:00 |
12:01:43.63 |
+12:01:23.0 |
HIP 58585 |
13.11 |
| 2026-02-11 00:00 |
12:01:34.00 |
+12:03:11.8 |
HIP 58585 |
11.35 |
| 2026-02-11 12:00 |
12:01:24.23 |
+12:05:01.0 |
HIP 58585 |
10.13 |
| 2026-02-12 00:00 |
12:01:14.33 |
+12:06:50.6 |
HIP 58585 |
9.71 |
| 2026-02-12 12:00 |
12:01:04.28 |
+12:08:40.4 |
HIP 58585 |
10.21 |
| 2026-02-13 00:00 |
12:00:54.11 |
+12:10:30.5 |
HIP 58585 |
11.53 |
| 2026-02-13 12:00 |
12:00:43.80 |
+12:12:20.9 |
HIP 58616 |
12.65 |
| 2026-02-14 00:00 |
12:00:33.37 |
+12:14:11.5 |
HIP 58616 |
13.01 |
| 2026-02-14 12:00 |
12:00:22.80 |
+12:16:02.4 |
HIP 58616 |
14.11 |
| 2026-02-15 00:00 |
12:00:12.11 |
+12:17:53.5 |
HIP 58616 |
15.80 |
| 2026-02-15 12:00 |
12:00:01.29 |
+12:19:44.8 |
HIP 58616 |
17.94 |
| 2026-02-16 00:00 |
11:59:50.35 |
+12:21:36.2 |
HIP 58616 |
20.40 |
| 2026-02-16 12:00 |
11:59:39.29 |
+12:23:27.8 |
HIP 58442 |
21.13 |
| 2026-02-17 00:00 |
11:59:28.11 |
+12:25:19.6 |
HIP 58442 |
21.92 |
| 2026-02-17 12:00 |
11:59:16.81 |
+12:27:11.5 |
HIP 58442 |
23.16 |
| 2026-02-18 00:00 |
11:59:05.39 |
+12:29:03.5 |
HIP 58417 |
23.08 |
| 2026-02-18 12:00 |
11:58:53.86 |
+12:30:55.5 |
HIP 58417 |
20.64 |
| 2026-02-19 00:00 |
11:58:42.22 |
+12:32:47.6 |
HIP 58417 |
18.50 |
| 2026-02-19 12:00 |
11:58:30.47 |
+12:34:39.8 |
HIP 58417 |
16.78 |
| 2026-02-20 00:00 |
11:58:18.61 |
+12:36:32.0 |
HIP 58417 |
15.64 |
| 2026-02-20 12:00 |
11:58:06.65 |
+12:38:24.2 |
HIP 58417 |
15.23 |
| 2026-02-21 00:00 |
11:57:54.58 |
+12:40:16.4 |
HIP 58417 |
15.61 |
| 2026-02-21 12:00 |
11:57:42.41 |
+12:42:08.5 |
HIP 58417 |
16.74 |
| 2026-02-22 00:00 |
11:57:30.14 |
+12:44:00.6 |
HIP 58417 |
18.51 |
| 2026-02-22 12:00 |
11:57:17.78 |
+12:45:52.6 |
HIP 58417 |
20.75 |
| 2026-02-23 00:00 |
11:57:05.32 |
+12:47:44.6 |
HIP 58417 |
23.34 |
| 2026-02-23 12:00 |
11:56:52.77 |
+12:49:36.4 |
HIP 58417 |
26.18 |
| 2026-02-24 00:00 |
11:56:40.13 |
+12:51:28.1 |
HIP 58417 |
29.20 |