| Parameter |
Value |
| Designation |
14P/Wolf |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2017-12-02T10:30:05.132160Z |
| Orbit solution date (soln_date, UTC) |
2026-10-01T13:49:32Z |
| Obs used |
485 |
| NEO |
- |
| M1 |
15.600 |
| K1 |
4.500 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2015-09-25.0000000 |
| e |
0.35553552 |
| q (au) |
2.742247 |
| a (au) |
4.255079 |
| i (deg) |
27.906815 |
| Ω (om, deg) |
202.125902 |
| ω (w, deg) |
159.106273 |
| M (ma, deg) |
270.230830 |
Magnitude
Scatter + Global Linear
$$
M_a = (16.998 + 2.291\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
16.998 |
| n |
2.291 |
| gf |
1.000 |
| gb |
-0.672 |
| 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) |
| 2026-09-25 00:00 |
00:02:01.67 |
+15:27:03.9 |
HIP 148 |
4.92 |
| 2026-09-25 12:00 |
00:01:46.95 |
+15:19:53.4 |
HIP 198 |
10.83 |
| 2026-09-26 00:00 |
00:01:32.25 |
+15:12:40.6 |
HIP 198 |
16.18 |
| 2026-09-26 12:00 |
00:01:17.58 |
+15:05:25.5 |
HIP 198 |
23.17 |
| 2026-09-27 00:00 |
00:01:02.94 |
+14:58:08.1 |
HIP 126 |
21.91 |
| 2026-09-27 12:00 |
00:00:48.35 |
+14:50:48.6 |
HIP 126 |
17.62 |
| 2026-09-28 00:00 |
00:00:33.80 |
+14:43:27.1 |
HIP 126 |
16.50 |
| 2026-09-28 12:00 |
00:00:19.30 |
+14:36:03.5 |
HIP 126 |
19.15 |
| 2026-09-29 00:00 |
00:00:04.86 |
+14:28:38.0 |
HIP 126 |
24.40 |
| 2026-09-29 12:00 |
23:59:50.48 |
+14:21:10.7 |
HIP 96 |
30.28 |
| 2026-09-30 00:00 |
23:59:36.17 |
+14:13:41.6 |
HIP 96 |
28.01 |
| 2026-09-30 12:00 |
23:59:21.94 |
+14:06:10.8 |
HIP 118191 |
21.51 |
| 2026-10-01 00:00 |
23:59:07.79 |
+13:58:38.5 |
HIP 118191 |
13.63 |
| 2026-10-01 12:00 |
23:58:53.72 |
+13:51:04.6 |
HIP 118191 |
6.78 |
| 2026-10-02 00:00 |
23:58:39.74 |
+13:43:29.3 |
HIP 118191 |
6.66 |
| 2026-10-02 12:00 |
23:58:25.86 |
+13:35:52.7 |
HIP 118191 |
13.47 |
| 2026-10-03 00:00 |
23:58:12.09 |
+13:28:14.8 |
HIP 118152 |
17.54 |
| 2026-10-03 12:00 |
23:57:58.42 |
+13:20:35.7 |
HIP 118152 |
9.62 |
| 2026-10-04 00:00 |
23:57:44.86 |
+13:12:55.5 |
HIP 118152 |
4.02 |
| 2026-10-04 12:00 |
23:57:31.43 |
+13:05:14.3 |
HIP 118089 |
8.33 |
| 2026-10-05 00:00 |
23:57:18.13 |
+12:57:32.3 |
HIP 118047 |
12.31 |
| 2026-10-05 12:00 |
23:57:04.95 |
+12:49:49.4 |
HIP 118047 |
5.91 |
| 2026-10-06 00:00 |
23:56:51.92 |
+12:42:05.7 |
HIP 118047 |
7.63 |
| 2026-10-06 12:00 |
23:56:39.02 |
+12:34:21.4 |
HIP 118047 |
14.88 |
| 2026-10-07 00:00 |
23:56:26.28 |
+12:26:36.6 |
HIP 118047 |
22.90 |
| 2026-10-07 12:00 |
23:56:13.69 |
+12:18:51.3 |
HIP 118047 |
31.09 |
| 2026-10-08 00:00 |
23:56:01.26 |
+12:11:05.7 |
HIP 117839 |
32.50 |
| 2026-10-08 12:00 |
23:55:48.99 |
+12:03:19.7 |
HIP 117839 |
27.77 |
| 2026-10-09 00:00 |
23:55:36.90 |
+11:55:33.6 |
HIP 117839 |
25.03 |
| 2026-10-09 12:00 |
23:55:24.98 |
+11:47:47.4 |
HIP 117839 |
24.94 |
| 2026-10-10 00:00 |
23:55:13.25 |
+11:40:01.1 |
HIP 117839 |
27.51 |
| 2026-10-10 12:00 |
23:55:01.70 |
+11:32:15.0 |
HIP 117839 |
32.09 |
| 2026-10-11 00:00 |
23:54:50.35 |
+11:24:29.0 |
HIP 118019 |
36.83 |
| 2026-10-11 12:00 |
23:54:39.19 |
+11:16:43.3 |
HIP 118019 |
33.03 |
| 2026-10-12 00:00 |
23:54:28.23 |
+11:08:57.9 |
HIP 117730 |
29.84 |
| 2026-10-12 12:00 |
23:54:17.48 |
+11:01:13.0 |
HIP 117730 |
25.02 |
| 2026-10-13 00:00 |
23:54:06.94 |
+10:53:28.6 |
HIP 117730 |
22.30 |
| 2026-10-13 12:00 |
23:53:56.62 |
+10:45:44.9 |
HIP 117730 |
22.45 |
| 2026-10-14 00:00 |
23:53:46.51 |
+10:38:01.8 |
HIP 117909 |
21.10 |
| 2026-10-14 12:00 |
23:53:36.64 |
+10:30:19.5 |
HIP 117909 |
20.35 |
| 2026-10-15 00:00 |
23:53:26.99 |
+10:22:38.1 |
HIP 117909 |
22.60 |
| 2026-10-15 12:00 |
23:53:17.57 |
+10:14:57.6 |
HIP 117909 |
27.09 |
| 2026-10-16 00:00 |
23:53:08.39 |
+10:07:18.2 |
HIP 117909 |
32.89 |