14P/Wolf
| Parameter |
Value |
| Designation |
14P/Wolf |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2009-02-26T18:15:03.087360Z |
| Orbit solution date (soln_date, UTC) |
2025-09-09T14:41:09Z |
| Obs used |
395 |
| NEO |
- |
| M1 |
15.600 |
| K1 |
4.500 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2013-02-11.0000000 |
| e |
0.35662951 |
| q (au) |
2.734210 |
| a (au) |
4.249821 |
| i (deg) |
27.935288 |
| Ω (om, deg) |
202.121511 |
| ω (w, deg) |
159.245732 |
| M (ma, deg) |
162.587773 |
Magnitude
Scatter + Global Linear
$$
M_a = (15.832 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
15.832 |
| n |
2.000 |
| gf |
0.889 |
| gb |
-0.695 |
| k |
0.959 |
| 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
Finding Chart
Ephemeris
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-02-03 00:00 |
20:31:13.34 |
+02:07:21.6 |
HIP 101339 |
16.76 |
| 2026-02-03 12:00 |
20:32:01.24 |
+02:09:51.9 |
HIP 101339 |
5.15 |
| 2026-02-04 00:00 |
20:32:49.14 |
+02:12:23.4 |
HIP 101335 |
7.89 |
| 2026-02-04 12:00 |
20:33:37.04 |
+02:14:56.2 |
HIP 101396 |
14.67 |
| 2026-02-05 00:00 |
20:34:24.94 |
+02:17:30.2 |
HIP 101542 |
13.74 |
| 2026-02-05 12:00 |
20:35:12.84 |
+02:20:05.5 |
HIP 101542 |
12.60 |
| 2026-02-06 00:00 |
20:36:00.74 |
+02:22:42.0 |
HIP 101690 |
12.64 |
| 2026-02-06 12:00 |
20:36:48.64 |
+02:25:19.7 |
HIP 101690 |
4.66 |
| 2026-02-07 00:00 |
20:37:36.55 |
+02:27:58.6 |
HIP 101690 |
13.56 |
| 2026-02-07 12:00 |
20:38:24.44 |
+02:30:38.7 |
HIP 101690 |
25.42 |
| 2026-02-08 00:00 |
20:39:12.34 |
+02:33:20.0 |
HIP 101926 |
24.76 |
| 2026-02-08 12:00 |
20:40:00.23 |
+02:36:02.5 |
HIP 101926 |
29.39 |
| 2026-02-09 00:00 |
20:40:48.13 |
+02:38:46.2 |
HIP 102028 |
25.90 |
| 2026-02-09 12:00 |
20:41:36.01 |
+02:41:31.1 |
HIP 102221 |
25.08 |
| 2026-02-10 00:00 |
20:42:23.90 |
+02:44:17.2 |
HIP 102221 |
16.31 |
| 2026-02-10 12:00 |
20:43:11.77 |
+02:47:04.5 |
HIP 102221 |
14.29 |
| 2026-02-11 00:00 |
20:43:59.65 |
+02:49:52.9 |
HIP 102221 |
21.05 |
| 2026-02-11 12:00 |
20:44:47.52 |
+02:52:42.6 |
HIP 102479 |
20.04 |
| 2026-02-12 00:00 |
20:45:35.38 |
+02:55:33.3 |
HIP 102479 |
12.79 |
| 2026-02-12 12:00 |
20:46:23.23 |
+02:58:25.3 |
HIP 102479 |
15.10 |
| 2026-02-13 00:00 |
20:47:11.08 |
+03:01:18.4 |
HIP 102631 |
19.39 |
| 2026-02-13 12:00 |
20:47:58.92 |
+03:04:12.6 |
HIP 102631 |
14.44 |
| 2026-02-14 00:00 |
20:48:46.74 |
+03:07:08.0 |
HIP 102631 |
18.51 |
| 2026-02-14 12:00 |
20:49:34.57 |
+03:10:04.5 |
HIP 102631 |
27.90 |
| 2026-02-15 00:00 |
20:50:22.38 |
+03:13:02.1 |
HIP 102929 |
20.61 |
| 2026-02-15 12:00 |
20:51:10.18 |
+03:16:00.9 |
HIP 102929 |
13.42 |
| 2026-02-16 00:00 |
20:51:57.96 |
+03:19:00.8 |
HIP 102929 |
15.41 |
| 2026-02-16 12:00 |
20:52:45.74 |
+03:22:01.7 |
HIP 102929 |
24.43 |
| 2026-02-17 00:00 |
20:53:33.51 |
+03:25:03.8 |
HIP 103217 |
20.76 |
| 2026-02-17 12:00 |
20:54:21.26 |
+03:28:07.0 |
HIP 103217 |
9.97 |
| 2026-02-18 00:00 |
20:55:09.00 |
+03:31:11.3 |
HIP 103217 |
8.37 |
| 2026-02-18 12:00 |
20:55:56.72 |
+03:34:16.6 |
HIP 103313 |
10.83 |
| 2026-02-19 00:00 |
20:56:44.43 |
+03:37:23.0 |
HIP 103313 |
19.34 |
| 2026-02-19 12:00 |
20:57:32.12 |
+03:40:30.5 |
HIP 103577 |
25.08 |
| 2026-02-20 00:00 |
20:58:19.80 |
+03:43:39.1 |
HIP 103577 |
15.96 |
| 2026-02-20 12:00 |
20:59:07.46 |
+03:46:48.7 |
HIP 103577 |
13.55 |
| 2026-02-21 00:00 |
20:59:55.10 |
+03:49:59.3 |
HIP 103577 |
20.39 |
| 2026-02-21 12:00 |
21:00:42.73 |
+03:53:11.0 |
HIP 103804 |
21.06 |
| 2026-02-22 00:00 |
21:01:30.34 |
+03:56:23.7 |
HIP 103804 |
13.09 |
| 2026-02-22 12:00 |
21:02:17.93 |
+03:59:37.4 |
HIP 103804 |
14.22 |
| 2026-02-23 00:00 |
21:03:05.50 |
+04:02:52.1 |
HIP 103983 |
15.55 |
| 2026-02-23 12:00 |
21:03:53.05 |
+04:06:07.8 |
HIP 103983 |
7.93 |
| 2026-02-24 00:00 |
21:04:40.58 |
+04:09:24.5 |
HIP 103983 |
13.66 |