| Parameter |
Value |
| Designation |
179P/Jedicke |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2007-12-03T22:43:14.016000Z |
| Orbit solution date (soln_date, UTC) |
2026-03-07T11:43:09Z |
| Obs used |
560 |
| NEO |
- |
| M1 |
5.300 |
| K1 |
17.250 |
| PC |
0.030 |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2014-11-14.0000000 |
| e |
0.30700827 |
| q (au) |
4.114487 |
| a (au) |
5.937281 |
| i (deg) |
19.855693 |
| Ω (om, deg) |
115.619388 |
| ω (w, deg) |
296.300120 |
| M (ma, deg) |
172.843179 |
Magnitude
Scatter + Global Linear
$$
M_a = (5.902 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
5.902 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.939 |
| 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) |
| 2026-03-26 00:00 |
12:23:58.95 |
+20:16:16.4 |
HIP 60433 |
7.56 |
| 2026-03-26 12:00 |
12:23:45.99 |
+20:17:43.8 |
HIP 60433 |
4.44 |
| 2026-03-27 00:00 |
12:23:33.04 |
+20:19:10.0 |
HIP 60433 |
2.20 |
| 2026-03-27 12:00 |
12:23:20.10 |
+20:20:35.1 |
HIP 60433 |
3.53 |
| 2026-03-28 00:00 |
12:23:07.16 |
+20:21:59.0 |
HIP 60433 |
6.50 |
| 2026-03-28 12:00 |
12:22:54.23 |
+20:23:21.7 |
HIP 60433 |
9.70 |
| 2026-03-29 00:00 |
12:22:41.32 |
+20:24:43.3 |
HIP 60354 |
12.53 |
| 2026-03-29 12:00 |
12:22:28.41 |
+20:26:03.6 |
HIP 60354 |
11.05 |
| 2026-03-30 00:00 |
12:22:15.52 |
+20:27:22.7 |
HIP 60354 |
10.45 |
| 2026-03-30 12:00 |
12:22:02.65 |
+20:28:40.7 |
HIP 60354 |
10.87 |
| 2026-03-31 00:00 |
12:21:49.79 |
+20:29:57.3 |
HIP 60354 |
12.21 |
| 2026-03-31 12:00 |
12:21:36.96 |
+20:31:12.8 |
HIP 60354 |
14.19 |
| 2026-04-01 00:00 |
12:21:24.14 |
+20:32:27.0 |
HIP 60354 |
16.58 |
| 2026-04-01 12:00 |
12:21:11.36 |
+20:33:40.0 |
HIP 60354 |
19.22 |
| 2026-04-02 00:00 |
12:20:58.59 |
+20:34:51.7 |
HIP 60354 |
22.01 |
| 2026-04-02 12:00 |
12:20:45.86 |
+20:36:02.2 |
HIP 60354 |
24.90 |
| 2026-04-03 00:00 |
12:20:33.16 |
+20:37:11.4 |
HIP 60038 |
25.89 |
| 2026-04-03 12:00 |
12:20:20.49 |
+20:38:19.3 |
HIP 60038 |
23.23 |
| 2026-04-04 00:00 |
12:20:07.85 |
+20:39:25.9 |
HIP 60038 |
20.72 |
| 2026-04-04 12:00 |
12:19:55.25 |
+20:40:31.3 |
HIP 60038 |
18.40 |
| 2026-04-05 00:00 |
12:19:42.68 |
+20:41:35.3 |
HIP 60038 |
16.36 |
| 2026-04-05 12:00 |
12:19:30.16 |
+20:42:38.1 |
HIP 60038 |
14.69 |
| 2026-04-06 00:00 |
12:19:17.68 |
+20:43:39.6 |
HIP 60038 |
13.54 |
| 2026-04-06 12:00 |
12:19:05.24 |
+20:44:39.7 |
HIP 60038 |
13.02 |
| 2026-04-07 00:00 |
12:18:52.84 |
+20:45:38.5 |
HIP 60038 |
13.19 |
| 2026-04-07 12:00 |
12:18:40.49 |
+20:46:36.0 |
HIP 60038 |
14.02 |
| 2026-04-08 00:00 |
12:18:28.20 |
+20:47:32.2 |
HIP 60038 |
15.40 |
| 2026-04-08 12:00 |
12:18:15.95 |
+20:48:27.1 |
HIP 60038 |
17.17 |
| 2026-04-09 00:00 |
12:18:03.75 |
+20:49:20.6 |
HIP 60038 |
19.23 |
| 2026-04-09 12:00 |
12:17:51.61 |
+20:50:12.7 |
HIP 60038 |
21.49 |
| 2026-04-10 00:00 |
12:17:39.52 |
+20:51:03.6 |
HIP 59841 |
19.58 |
| 2026-04-10 12:00 |
12:17:27.50 |
+20:51:53.0 |
HIP 59841 |
16.86 |
| 2026-04-11 00:00 |
12:17:15.53 |
+20:52:41.2 |
HIP 59841 |
14.22 |
| 2026-04-11 12:00 |
12:17:03.62 |
+20:53:27.9 |
HIP 59841 |
11.71 |
| 2026-04-12 00:00 |
12:16:51.78 |
+20:54:13.3 |
HIP 59841 |
9.44 |
| 2026-04-12 12:00 |
12:16:40.00 |
+20:54:57.3 |
HIP 59841 |
7.57 |
| 2026-04-13 00:00 |
12:16:28.29 |
+20:55:40.0 |
HIP 59841 |
6.45 |
| 2026-04-13 12:00 |
12:16:16.65 |
+20:56:21.3 |
HIP 59841 |
6.45 |
| 2026-04-14 00:00 |
12:16:05.08 |
+20:57:01.2 |
HIP 59841 |
7.55 |
| 2026-04-14 12:00 |
12:15:53.58 |
+20:57:39.7 |
HIP 59841 |
9.34 |
| 2026-04-15 00:00 |
12:15:42.15 |
+20:58:16.8 |
HIP 59841 |
11.49 |
| 2026-04-15 12:00 |
12:15:30.80 |
+20:58:52.6 |
HIP 59841 |
13.83 |
| 2026-04-16 00:00 |
12:15:19.53 |
+20:59:27.0 |
HIP 59841 |
16.25 |