C/2024 V2 (Sarneczky)
| Parameter |
Value |
| Designation |
C/2024 V2 (Sarneczky) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2024-11-03T19:07:47.573760Z |
| Orbit solution date (soln_date, UTC) |
2024-12-26T20:12:37Z |
| Obs used |
58 |
| NEO |
- |
| M1 |
15.100 |
| K1 |
47.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-11-10T02:20:07.584000Z |
| Discovery magnitude (MPC) |
19.80 G |
| Discovery observatory (MPC) |
K88 · GINOP-KHK, Piszkéstető |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2024-11-16.0000000 |
| e |
0.96679404 |
| q (au) |
1.242723 |
| a (au) |
37.424696 |
| i (deg) |
95.966210 |
| Ω (om, deg) |
102.188455 |
| ω (w, deg) |
13.688779 |
| M (ma, deg) |
0.052533 |
Magnitude
Scatter + Global Linear
$$
M_a = (17.641 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
17.641 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.500 |
| k |
1.000 |
| 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) |
| 2026-02-03 00:00 |
19:14:38.55 |
+13:51:32.9 |
HIP 94504 |
8.49 |
| 2026-02-03 12:00 |
19:14:55.43 |
+13:52:06.5 |
HIP 94504 |
12.60 |
| 2026-02-04 00:00 |
19:15:12.23 |
+13:52:41.2 |
HIP 94504 |
16.71 |
| 2026-02-04 12:00 |
19:15:28.94 |
+13:53:17.1 |
HIP 94718 |
18.48 |
| 2026-02-05 00:00 |
19:15:45.56 |
+13:53:54.0 |
HIP 94718 |
15.28 |
| 2026-02-05 12:00 |
19:16:02.09 |
+13:54:32.1 |
HIP 94718 |
12.59 |
| 2026-02-06 00:00 |
19:16:18.53 |
+13:55:11.2 |
HIP 94718 |
10.79 |
| 2026-02-06 12:00 |
19:16:34.88 |
+13:55:51.5 |
HIP 94718 |
10.31 |
| 2026-02-07 00:00 |
19:16:51.13 |
+13:56:32.8 |
HIP 94718 |
11.31 |
| 2026-02-07 12:00 |
19:17:07.29 |
+13:57:15.2 |
HIP 94718 |
13.45 |
| 2026-02-08 00:00 |
19:17:23.36 |
+13:57:58.7 |
HIP 94718 |
16.27 |
| 2026-02-08 12:00 |
19:17:39.34 |
+13:58:43.2 |
HIP 94718 |
19.46 |
| 2026-02-09 00:00 |
19:17:55.21 |
+13:59:28.8 |
HIP 94949 |
22.76 |
| 2026-02-09 12:00 |
19:18:11.00 |
+14:00:15.4 |
HIP 94949 |
19.09 |
| 2026-02-10 00:00 |
19:18:26.68 |
+14:01:03.1 |
HIP 94949 |
15.53 |
| 2026-02-10 12:00 |
19:18:42.27 |
+14:01:51.8 |
HIP 94949 |
12.17 |
| 2026-02-11 00:00 |
19:18:57.76 |
+14:02:41.6 |
HIP 94949 |
9.23 |
| 2026-02-11 12:00 |
19:19:13.15 |
+14:03:32.3 |
HIP 94949 |
7.18 |
| 2026-02-12 00:00 |
19:19:28.43 |
+14:04:24.1 |
HIP 94949 |
6.84 |
| 2026-02-12 12:00 |
19:19:43.62 |
+14:05:16.9 |
HIP 95035 |
7.44 |
| 2026-02-13 00:00 |
19:19:58.71 |
+14:06:10.7 |
HIP 95035 |
3.80 |
| 2026-02-13 12:00 |
19:20:13.69 |
+14:07:05.4 |
HIP 95035 |
1.33 |
| 2026-02-14 00:00 |
19:20:28.57 |
+14:08:01.2 |
HIP 95035 |
4.12 |
| 2026-02-14 12:00 |
19:20:43.34 |
+14:08:57.9 |
HIP 95035 |
7.71 |
| 2026-02-15 00:00 |
19:20:58.01 |
+14:09:55.6 |
HIP 95035 |
11.36 |
| 2026-02-15 12:00 |
19:21:12.57 |
+14:10:54.2 |
HIP 95035 |
15.00 |
| 2026-02-16 00:00 |
19:21:27.03 |
+14:11:53.8 |
HIP 95082 |
17.34 |
| 2026-02-16 12:00 |
19:21:41.38 |
+14:12:54.4 |
HIP 95206 |
18.86 |
| 2026-02-17 00:00 |
19:21:55.62 |
+14:13:55.8 |
HIP 95277 |
16.98 |
| 2026-02-17 12:00 |
19:22:09.75 |
+14:14:58.2 |
HIP 95277 |
13.41 |
| 2026-02-18 00:00 |
19:22:23.76 |
+14:16:01.5 |
HIP 95277 |
9.85 |
| 2026-02-18 12:00 |
19:22:37.67 |
+14:17:05.7 |
HIP 95277 |
6.33 |
| 2026-02-19 00:00 |
19:22:51.47 |
+14:18:10.8 |
HIP 95277 |
2.88 |
| 2026-02-19 12:00 |
19:23:05.15 |
+14:19:16.8 |
HIP 95277 |
1.07 |
| 2026-02-20 00:00 |
19:23:18.72 |
+14:20:23.7 |
HIP 95277 |
4.27 |
| 2026-02-20 12:00 |
19:23:32.17 |
+14:21:31.5 |
HIP 95277 |
7.69 |
| 2026-02-21 00:00 |
19:23:45.51 |
+14:22:40.1 |
HIP 95277 |
11.11 |
| 2026-02-21 12:00 |
19:23:58.73 |
+14:23:49.5 |
HIP 95277 |
14.51 |
| 2026-02-22 00:00 |
19:24:11.83 |
+14:24:59.8 |
HIP 95277 |
17.89 |
| 2026-02-22 12:00 |
19:24:24.82 |
+14:26:10.9 |
HIP 95277 |
21.25 |
| 2026-02-23 00:00 |
19:24:37.69 |
+14:27:22.8 |
HIP 95522 |
19.38 |
| 2026-02-23 12:00 |
19:24:50.44 |
+14:28:35.6 |
HIP 95522 |
16.09 |
| 2026-02-24 00:00 |
19:25:03.07 |
+14:29:49.1 |
HIP 95522 |
12.83 |