196P/Tichy
| Parameter |
Value |
| Designation |
196P/Tichy |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2015-06-14T19:41:57.508800Z |
| Orbit solution date (soln_date, UTC) |
2024-04-13T16:43:01Z |
| Obs used |
459 |
| NEO |
- |
| M1 |
15.300 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2015-05-12.0000000 |
| e |
0.43441811 |
| q (au) |
2.134995 |
| a (au) |
3.774865 |
| i (deg) |
19.377598 |
| Ω (om, deg) |
24.256234 |
| ω (w, deg) |
11.950466 |
| M (ma, deg) |
355.454979 |
Magnitude
Scatter + Global Linear
$$
M_a = (14.053 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
14.053 |
| n |
6.000 |
| gf |
0.832 |
| gb |
-0.807 |
| k |
0.993 |
| 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
Ephemeris
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-02-03 00:00 |
14:17:12.32 |
-14:37:13.1 |
HIP 69882 |
21.68 |
| 2026-02-03 12:00 |
14:17:15.41 |
-14:38:13.2 |
HIP 69882 |
20.43 |
| 2026-02-04 00:00 |
14:17:18.30 |
-14:39:12.4 |
HIP 69882 |
19.22 |
| 2026-02-04 12:00 |
14:17:21.02 |
-14:40:10.9 |
HIP 69882 |
18.05 |
| 2026-02-05 00:00 |
14:17:23.55 |
-14:41:08.6 |
HIP 69882 |
16.91 |
| 2026-02-05 12:00 |
14:17:25.89 |
-14:42:05.5 |
HIP 69882 |
15.81 |
| 2026-02-06 00:00 |
14:17:28.04 |
-14:43:01.5 |
HIP 69882 |
14.75 |
| 2026-02-06 12:00 |
14:17:30.00 |
-14:43:56.7 |
HIP 69882 |
13.73 |
| 2026-02-07 00:00 |
14:17:31.78 |
-14:44:51.1 |
HIP 69882 |
12.76 |
| 2026-02-07 12:00 |
14:17:33.37 |
-14:45:44.6 |
HIP 69882 |
11.83 |
| 2026-02-08 00:00 |
14:17:34.77 |
-14:46:37.4 |
HIP 69882 |
10.95 |
| 2026-02-08 12:00 |
14:17:35.97 |
-14:47:29.2 |
HIP 69882 |
10.12 |
| 2026-02-09 00:00 |
14:17:36.99 |
-14:48:20.3 |
HIP 69882 |
9.35 |
| 2026-02-09 12:00 |
14:17:37.81 |
-14:49:10.5 |
HIP 69882 |
8.64 |
| 2026-02-10 00:00 |
14:17:38.44 |
-14:49:59.9 |
HIP 69882 |
8.02 |
| 2026-02-10 12:00 |
14:17:38.88 |
-14:50:48.4 |
HIP 69882 |
7.48 |
| 2026-02-11 00:00 |
14:17:39.12 |
-14:51:36.0 |
HIP 69882 |
7.04 |
| 2026-02-11 12:00 |
14:17:39.17 |
-14:52:22.9 |
HIP 69882 |
6.72 |
| 2026-02-12 00:00 |
14:17:39.03 |
-14:53:08.8 |
HIP 69882 |
6.53 |
| 2026-02-12 12:00 |
14:17:38.69 |
-14:53:53.9 |
HIP 69882 |
6.47 |
| 2026-02-13 00:00 |
14:17:38.15 |
-14:54:38.1 |
HIP 69882 |
6.55 |
| 2026-02-13 12:00 |
14:17:37.42 |
-14:55:21.5 |
HIP 69882 |
6.75 |
| 2026-02-14 00:00 |
14:17:36.49 |
-14:56:04.0 |
HIP 69882 |
7.08 |
| 2026-02-14 12:00 |
14:17:35.37 |
-14:56:45.7 |
HIP 69882 |
7.50 |
| 2026-02-15 00:00 |
14:17:34.05 |
-14:57:26.4 |
HIP 69882 |
8.01 |
| 2026-02-15 12:00 |
14:17:32.53 |
-14:58:06.3 |
HIP 69882 |
8.60 |
| 2026-02-16 00:00 |
14:17:30.81 |
-14:58:45.3 |
HIP 69882 |
9.24 |
| 2026-02-16 12:00 |
14:17:28.90 |
-14:59:23.5 |
HIP 69882 |
9.95 |
| 2026-02-17 00:00 |
14:17:26.78 |
-15:00:00.7 |
HIP 69882 |
10.69 |
| 2026-02-17 12:00 |
14:17:24.47 |
-15:00:37.1 |
HIP 69882 |
11.48 |
| 2026-02-18 00:00 |
14:17:21.96 |
-15:01:12.6 |
HIP 69882 |
12.30 |
| 2026-02-18 12:00 |
14:17:19.26 |
-15:01:47.2 |
HIP 69882 |
13.17 |
| 2026-02-19 00:00 |
14:17:16.35 |
-15:02:20.9 |
HIP 69882 |
14.06 |
| 2026-02-19 12:00 |
14:17:13.24 |
-15:02:53.8 |
HIP 69882 |
14.99 |
| 2026-02-20 00:00 |
14:17:09.94 |
-15:03:25.7 |
HIP 69882 |
15.95 |
| 2026-02-20 12:00 |
14:17:06.44 |
-15:03:56.8 |
HIP 69882 |
16.94 |
| 2026-02-21 00:00 |
14:17:02.73 |
-15:04:27.0 |
HIP 69681 |
17.83 |
| 2026-02-21 12:00 |
14:16:58.84 |
-15:04:56.3 |
HIP 69681 |
16.84 |
| 2026-02-22 00:00 |
14:16:54.74 |
-15:05:24.6 |
HIP 69681 |
15.82 |
| 2026-02-22 12:00 |
14:16:50.44 |
-15:05:52.1 |
HIP 69681 |
14.75 |
| 2026-02-23 00:00 |
14:16:45.95 |
-15:06:18.7 |
HIP 69681 |
13.65 |
| 2026-02-23 12:00 |
14:16:41.26 |
-15:06:44.5 |
HIP 69681 |
12.52 |
| 2026-02-24 00:00 |
14:16:36.37 |
-15:07:09.3 |
HIP 69681 |
11.35 |