| 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 |
0.999 |
| 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) |
| 2026-06-01 00:00 |
06:03:02.67 |
+28:34:10.8 |
HIP 28649 |
6.48 |
| 2026-06-01 12:00 |
06:03:32.87 |
+28:34:27.7 |
HIP 28649 |
9.59 |
| 2026-06-02 00:00 |
06:04:03.13 |
+28:34:44.4 |
HIP 28649 |
15.17 |
| 2026-06-02 12:00 |
06:04:33.43 |
+28:35:00.8 |
HIP 28748 |
17.37 |
| 2026-06-03 00:00 |
06:05:03.77 |
+28:35:17.0 |
HIP 28748 |
20.15 |
| 2026-06-03 12:00 |
06:05:34.17 |
+28:35:33.0 |
HIP 28904 |
21.73 |
| 2026-06-04 00:00 |
06:06:04.61 |
+28:35:48.8 |
HIP 28904 |
20.28 |
| 2026-06-04 12:00 |
06:06:35.09 |
+28:36:04.4 |
HIP 29042 |
16.15 |
| 2026-06-05 00:00 |
06:07:05.62 |
+28:36:19.7 |
HIP 29042 |
10.94 |
| 2026-06-05 12:00 |
06:07:36.20 |
+28:36:34.8 |
HIP 29042 |
8.29 |
| 2026-06-06 00:00 |
06:08:06.81 |
+28:36:49.7 |
HIP 29042 |
10.39 |
| 2026-06-06 12:00 |
06:08:37.47 |
+28:37:04.3 |
HIP 29198 |
12.44 |
| 2026-06-07 00:00 |
06:09:08.17 |
+28:37:18.7 |
HIP 29198 |
5.98 |
| 2026-06-07 12:00 |
06:09:38.92 |
+28:37:32.9 |
HIP 29198 |
2.76 |
| 2026-06-08 00:00 |
06:10:09.70 |
+28:37:46.9 |
HIP 29198 |
8.41 |
| 2026-06-08 12:00 |
06:10:40.52 |
+28:38:00.6 |
HIP 29198 |
15.01 |
| 2026-06-09 00:00 |
06:11:11.38 |
+28:38:14.1 |
HIP 29352 |
16.24 |
| 2026-06-09 12:00 |
06:11:42.28 |
+28:38:27.4 |
HIP 29352 |
17.09 |
| 2026-06-10 00:00 |
06:12:13.22 |
+28:38:40.4 |
HIP 29352 |
20.31 |
| 2026-06-10 12:00 |
06:12:44.20 |
+28:38:53.2 |
HIP 29570 |
19.27 |
| 2026-06-11 00:00 |
06:13:15.21 |
+28:39:05.8 |
HIP 29570 |
15.23 |
| 2026-06-11 12:00 |
06:13:46.26 |
+28:39:18.1 |
HIP 29570 |
13.60 |
| 2026-06-12 00:00 |
06:14:17.34 |
+28:39:30.2 |
HIP 29570 |
15.20 |
| 2026-06-12 12:00 |
06:14:48.46 |
+28:39:42.1 |
HIP 29675 |
16.90 |
| 2026-06-13 00:00 |
06:15:19.61 |
+28:39:53.7 |
HIP 29675 |
16.51 |
| 2026-06-13 12:00 |
06:15:50.79 |
+28:40:05.1 |
HIP 29793 |
13.01 |
| 2026-06-14 00:00 |
06:16:22.00 |
+28:40:16.3 |
HIP 29793 |
10.85 |
| 2026-06-14 12:00 |
06:16:53.25 |
+28:40:27.2 |
HIP 29793 |
12.65 |
| 2026-06-15 00:00 |
06:17:24.53 |
+28:40:37.9 |
HIP 29793 |
17.22 |
| 2026-06-15 12:00 |
06:17:55.83 |
+28:40:48.4 |
HIP 29793 |
22.97 |
| 2026-06-16 00:00 |
06:18:27.17 |
+28:40:58.6 |
HIP 30091 |
25.35 |
| 2026-06-16 12:00 |
06:18:58.53 |
+28:41:08.6 |
HIP 30091 |
20.43 |
| 2026-06-17 00:00 |
06:19:29.92 |
+28:41:18.3 |
HIP 30137 |
13.62 |
| 2026-06-17 12:00 |
06:20:01.33 |
+28:41:27.9 |
HIP 30137 |
6.74 |
| 2026-06-18 00:00 |
06:20:32.77 |
+28:41:37.2 |
HIP 30137 |
0.36 |
| 2026-06-18 12:00 |
06:21:04.24 |
+28:41:46.2 |
HIP 30137 |
7.08 |
| 2026-06-19 00:00 |
06:21:35.72 |
+28:41:55.1 |
HIP 30137 |
13.98 |
| 2026-06-19 12:00 |
06:22:07.23 |
+28:42:03.7 |
HIP 30348 |
12.57 |
| 2026-06-20 00:00 |
06:22:38.77 |
+28:42:12.0 |
HIP 30348 |
6.81 |
| 2026-06-20 12:00 |
06:23:10.32 |
+28:42:20.2 |
HIP 30388 |
4.10 |
| 2026-06-21 00:00 |
06:23:41.89 |
+28:42:28.1 |
HIP 30388 |
5.04 |
| 2026-06-21 12:00 |
06:24:13.49 |
+28:42:35.7 |
HIP 30388 |
11.40 |
| 2026-06-22 00:00 |
06:24:45.10 |
+28:42:43.2 |
HIP 30388 |
18.19 |