| Parameter |
Value |
| Designation |
C/2023 V3 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2023-08-06T07:06:22.426560Z |
| Orbit solution date (soln_date, UTC) |
2024-01-04T23:43:40Z |
| Obs used |
52 |
| NEO |
- |
| M1 |
11.600 |
| K1 |
10.000 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2023-11-03T10:56:06.691200Z |
| Discovery magnitude (MPC) |
20.57 w |
| Discovery observatory (MPC) |
F51 · Pan-STARRS 1, Haleakala |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2023-11-04.0000000 |
| e |
0.66229058 |
| q (au) |
4.471746 |
| a (au) |
13.241401 |
| i (deg) |
40.258479 |
| Ω (om, deg) |
91.489824 |
| ω (w, deg) |
291.538176 |
| M (ma, deg) |
1.834909 |
Magnitude
Scatter + Global Linear
$$
M_a = (17.964 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
17.964 |
| n |
2.000 |
| gf |
0.988 |
| gb |
-0.759 |
| k |
0.800 |
| δ90 |
9.994 |
| 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 |
07:14:41.36 |
+36:22:36.4 |
HIP 35137 |
28.19 |
| 2026-06-01 12:00 |
07:15:00.65 |
+36:22:25.7 |
HIP 35137 |
26.66 |
| 2026-06-02 00:00 |
07:15:19.99 |
+36:22:15.0 |
HIP 35137 |
25.64 |
| 2026-06-02 12:00 |
07:15:39.38 |
+36:22:04.3 |
HIP 35137 |
25.17 |
| 2026-06-03 00:00 |
07:15:58.83 |
+36:21:53.7 |
HIP 35137 |
25.31 |
| 2026-06-03 12:00 |
07:16:18.33 |
+36:21:43.2 |
HIP 35282 |
25.17 |
| 2026-06-04 00:00 |
07:16:37.88 |
+36:21:32.6 |
HIP 35282 |
23.31 |
| 2026-06-04 12:00 |
07:16:57.48 |
+36:21:22.1 |
HIP 35282 |
22.00 |
| 2026-06-05 00:00 |
07:17:17.14 |
+36:21:11.7 |
HIP 35282 |
21.36 |
| 2026-06-05 12:00 |
07:17:36.84 |
+36:21:01.3 |
HIP 35282 |
21.46 |
| 2026-06-06 00:00 |
07:17:56.59 |
+36:20:50.9 |
HIP 35282 |
22.27 |
| 2026-06-06 12:00 |
07:18:16.39 |
+36:20:40.6 |
HIP 35282 |
23.75 |
| 2026-06-07 00:00 |
07:18:36.24 |
+36:20:30.3 |
HIP 35477 |
22.08 |
| 2026-06-07 12:00 |
07:18:56.14 |
+36:20:20.1 |
HIP 35477 |
20.88 |
| 2026-06-08 00:00 |
07:19:16.08 |
+36:20:09.9 |
HIP 35477 |
20.41 |
| 2026-06-08 12:00 |
07:19:36.07 |
+36:19:59.7 |
HIP 35477 |
20.72 |
| 2026-06-09 00:00 |
07:19:56.10 |
+36:19:49.7 |
HIP 35477 |
21.78 |
| 2026-06-09 12:00 |
07:20:16.18 |
+36:19:39.6 |
HIP 35477 |
23.50 |
| 2026-06-10 00:00 |
07:20:36.30 |
+36:19:29.6 |
HIP 35688 |
21.22 |
| 2026-06-10 12:00 |
07:20:56.47 |
+36:19:19.7 |
HIP 35688 |
18.46 |
| 2026-06-11 00:00 |
07:21:16.68 |
+36:19:09.8 |
HIP 35688 |
16.26 |
| 2026-06-11 12:00 |
07:21:36.93 |
+36:19:00.0 |
HIP 35688 |
14.88 |
| 2026-06-12 00:00 |
07:21:57.22 |
+36:18:50.3 |
HIP 35688 |
14.55 |
| 2026-06-12 12:00 |
07:22:17.55 |
+36:18:40.6 |
HIP 35688 |
15.36 |
| 2026-06-13 00:00 |
07:22:37.92 |
+36:18:31.0 |
HIP 35688 |
17.14 |
| 2026-06-13 12:00 |
07:22:58.33 |
+36:18:21.4 |
HIP 35919 |
15.89 |
| 2026-06-14 00:00 |
07:23:18.78 |
+36:18:11.9 |
HIP 35919 |
11.77 |
| 2026-06-14 12:00 |
07:23:39.27 |
+36:18:02.5 |
HIP 35919 |
7.66 |
| 2026-06-15 00:00 |
07:23:59.79 |
+36:17:53.1 |
HIP 35919 |
3.59 |
| 2026-06-15 12:00 |
07:24:20.35 |
+36:17:43.8 |
HIP 35919 |
1.13 |
| 2026-06-16 00:00 |
07:24:40.94 |
+36:17:34.6 |
HIP 35919 |
4.91 |
| 2026-06-16 12:00 |
07:25:01.57 |
+36:17:25.5 |
HIP 35919 |
9.03 |
| 2026-06-17 00:00 |
07:25:22.23 |
+36:17:16.4 |
HIP 35919 |
13.18 |
| 2026-06-17 12:00 |
07:25:42.92 |
+36:17:07.5 |
HIP 35919 |
17.34 |
| 2026-06-18 00:00 |
07:26:03.64 |
+36:16:58.6 |
HIP 35919 |
21.52 |
| 2026-06-18 12:00 |
07:26:24.40 |
+36:16:49.8 |
HIP 35919 |
25.70 |
| 2026-06-19 00:00 |
07:26:45.18 |
+36:16:41.0 |
HIP 36313 |
23.12 |
| 2026-06-19 12:00 |
07:27:06.00 |
+36:16:32.4 |
HIP 36313 |
19.27 |
| 2026-06-20 00:00 |
07:27:26.84 |
+36:16:23.8 |
HIP 36313 |
15.60 |
| 2026-06-20 12:00 |
07:27:47.71 |
+36:16:15.4 |
HIP 36313 |
12.27 |
| 2026-06-21 00:00 |
07:28:08.61 |
+36:16:07.0 |
HIP 36313 |
9.66 |
| 2026-06-21 12:00 |
07:28:29.53 |
+36:15:58.7 |
HIP 36313 |
8.47 |
| 2026-06-22 00:00 |
07:28:50.48 |
+36:15:50.5 |
HIP 36313 |
9.26 |