| Parameter |
Value |
| Designation |
86P/Wild 3 |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2015-04-03T11:38:43.241280Z |
| Orbit solution date (soln_date, UTC) |
2022-08-29T12:04:30Z |
| Obs used |
32 |
| NEO |
- |
| M1 |
17.200 |
| K1 |
4.500 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2016-10-22.0000000 |
| e |
0.37219132 |
| q (au) |
2.263511 |
| a (au) |
3.605416 |
| i (deg) |
15.472064 |
| Ω (om, deg) |
72.394196 |
| ω (w, deg) |
179.186736 |
| M (ma, deg) |
81.704924 |
Magnitude
Scatter + Global Linear
$$
M_a = (15.628 + 2.043\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
15.628 |
| n |
2.043 |
| 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
Finding Chart
Ephemeris
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-03-26 00:00 |
05:08:28.15 |
+27:36:57.0 |
HIP 24035 |
20.57 |
| 2026-03-26 12:00 |
05:08:44.15 |
+27:37:23.0 |
HIP 24035 |
17.01 |
| 2026-03-27 00:00 |
05:09:00.32 |
+27:37:49.1 |
HIP 24035 |
13.40 |
| 2026-03-27 12:00 |
05:09:16.66 |
+27:38:15.4 |
HIP 24035 |
9.77 |
| 2026-03-28 00:00 |
05:09:33.16 |
+27:38:41.8 |
HIP 24035 |
6.11 |
| 2026-03-28 12:00 |
05:09:49.84 |
+27:39:08.3 |
HIP 24035 |
2.47 |
| 2026-03-29 00:00 |
05:10:06.69 |
+27:39:34.9 |
HIP 24035 |
1.64 |
| 2026-03-29 12:00 |
05:10:23.70 |
+27:40:01.7 |
HIP 24035 |
5.28 |
| 2026-03-30 00:00 |
05:10:40.87 |
+27:40:28.6 |
HIP 24035 |
9.08 |
| 2026-03-30 12:00 |
05:10:58.21 |
+27:40:55.6 |
HIP 24035 |
12.94 |
| 2026-03-31 00:00 |
05:11:15.71 |
+27:41:22.7 |
HIP 24035 |
16.83 |
| 2026-03-31 12:00 |
05:11:33.37 |
+27:41:49.9 |
HIP 24272 |
14.56 |
| 2026-04-01 00:00 |
05:11:51.20 |
+27:42:17.2 |
HIP 24272 |
11.25 |
| 2026-04-01 12:00 |
05:12:09.18 |
+27:42:44.6 |
HIP 24272 |
8.52 |
| 2026-04-02 00:00 |
05:12:27.32 |
+27:43:12.1 |
HIP 24304 |
7.00 |
| 2026-04-02 12:00 |
05:12:45.62 |
+27:43:39.7 |
HIP 24304 |
3.52 |
| 2026-04-03 00:00 |
05:13:04.07 |
+27:44:07.4 |
HIP 24304 |
3.00 |
| 2026-04-03 12:00 |
05:13:22.68 |
+27:44:35.2 |
HIP 24304 |
6.31 |
| 2026-04-04 00:00 |
05:13:41.44 |
+27:45:03.1 |
HIP 24304 |
10.27 |
| 2026-04-04 12:00 |
05:14:00.35 |
+27:45:31.0 |
HIP 24304 |
14.39 |
| 2026-04-05 00:00 |
05:14:19.42 |
+27:45:59.0 |
HIP 24304 |
18.59 |
| 2026-04-05 12:00 |
05:14:38.64 |
+27:46:27.1 |
HIP 24304 |
22.83 |
| 2026-04-06 00:00 |
05:14:58.01 |
+27:46:55.3 |
HIP 24579 |
19.55 |
| 2026-04-06 12:00 |
05:15:17.53 |
+27:47:23.5 |
HIP 24579 |
15.24 |
| 2026-04-07 00:00 |
05:15:37.19 |
+27:47:51.8 |
HIP 24579 |
10.93 |
| 2026-04-07 12:00 |
05:15:57.00 |
+27:48:20.2 |
HIP 24579 |
6.66 |
| 2026-04-08 00:00 |
05:16:16.96 |
+27:48:48.6 |
HIP 24579 |
2.85 |
| 2026-04-08 12:00 |
05:16:37.07 |
+27:49:17.0 |
HIP 24579 |
3.37 |
| 2026-04-09 00:00 |
05:16:57.32 |
+27:49:45.5 |
HIP 24647 |
6.43 |
| 2026-04-09 12:00 |
05:17:17.71 |
+27:50:14.1 |
HIP 24647 |
4.36 |
| 2026-04-10 00:00 |
05:17:38.24 |
+27:50:42.7 |
HIP 24647 |
6.17 |
| 2026-04-10 12:00 |
05:17:58.92 |
+27:51:11.3 |
HIP 24647 |
9.96 |
| 2026-04-11 00:00 |
05:18:19.73 |
+27:51:40.0 |
HIP 24647 |
14.27 |
| 2026-04-11 12:00 |
05:18:40.69 |
+27:52:08.7 |
HIP 24776 |
13.30 |
| 2026-04-12 00:00 |
05:19:01.78 |
+27:52:37.5 |
HIP 24776 |
13.51 |
| 2026-04-12 12:00 |
05:19:23.01 |
+27:53:06.2 |
HIP 24776 |
15.26 |
| 2026-04-13 00:00 |
05:19:44.38 |
+27:53:35.0 |
HIP 24896 |
15.90 |
| 2026-04-13 12:00 |
05:20:05.89 |
+27:54:03.8 |
HIP 24984 |
12.28 |
| 2026-04-14 00:00 |
05:20:27.52 |
+27:54:32.6 |
HIP 24984 |
7.60 |
| 2026-04-14 12:00 |
05:20:49.30 |
+27:55:01.5 |
HIP 24984 |
3.28 |
| 2026-04-15 00:00 |
05:21:11.20 |
+27:55:30.3 |
HIP 24984 |
3.25 |
| 2026-04-15 12:00 |
05:21:33.24 |
+27:55:59.1 |
HIP 24984 |
7.63 |
| 2026-04-16 00:00 |
05:21:55.41 |
+27:56:28.0 |
HIP 24984 |
12.42 |