| Parameter |
Value |
| Designation |
360P/WISE |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2017-08-18T09:32:32.017920Z |
| Orbit solution date (soln_date, UTC) |
2025-01-02T20:12:57Z |
| Obs used |
208 |
| NEO |
- |
| M1 |
18.500 |
| K1 |
4.500 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2018-07-24.0000000 |
| e |
0.49790664 |
| q (au) |
1.860385 |
| a (au) |
3.705258 |
| i (deg) |
24.078046 |
| Ω (om, deg) |
2.227777 |
| ω (w, deg) |
354.137718 |
| M (ma, deg) |
46.929640 |
Magnitude
Scatter + Global Linear
$$
M_a = (17.701 + 2.007\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
17.701 |
| n |
2.007 |
| gf |
0.973 |
| gb |
-0.500 |
| k |
1.000 |
| δ90 |
9.997 |
| 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 |
08:43:47.42 |
+34:50:46.9 |
HIP 42856 |
11.78 |
| 2026-06-01 12:00 |
08:44:13.07 |
+34:47:23.1 |
HIP 42856 |
15.10 |
| 2026-06-02 00:00 |
08:44:38.80 |
+34:43:59.5 |
HIP 42856 |
19.89 |
| 2026-06-02 12:00 |
08:45:04.61 |
+34:40:36.0 |
HIP 42987 |
17.61 |
| 2026-06-03 00:00 |
08:45:30.51 |
+34:37:12.6 |
HIP 42987 |
12.70 |
| 2026-06-03 12:00 |
08:45:56.48 |
+34:33:49.4 |
HIP 42987 |
9.61 |
| 2026-06-04 00:00 |
08:46:22.53 |
+34:30:26.3 |
HIP 42987 |
10.20 |
| 2026-06-04 12:00 |
08:46:48.66 |
+34:27:03.3 |
HIP 42987 |
14.03 |
| 2026-06-05 00:00 |
08:47:14.87 |
+34:23:40.4 |
HIP 43220 |
17.65 |
| 2026-06-05 12:00 |
08:47:41.15 |
+34:20:17.7 |
HIP 43220 |
17.26 |
| 2026-06-06 00:00 |
08:48:07.50 |
+34:16:55.1 |
HIP 43220 |
19.11 |
| 2026-06-06 12:00 |
08:48:33.93 |
+34:13:32.6 |
HIP 43220 |
22.69 |
| 2026-06-07 00:00 |
08:49:00.42 |
+34:10:10.3 |
HIP 43220 |
27.32 |
| 2026-06-07 12:00 |
08:49:26.99 |
+34:06:48.0 |
HIP 43471 |
23.16 |
| 2026-06-08 00:00 |
08:49:53.63 |
+34:03:25.9 |
HIP 43471 |
18.47 |
| 2026-06-08 12:00 |
08:50:20.34 |
+34:00:04.0 |
HIP 43471 |
15.13 |
| 2026-06-09 00:00 |
08:50:47.12 |
+33:56:42.1 |
HIP 43471 |
14.14 |
| 2026-06-09 12:00 |
08:51:13.97 |
+33:53:20.4 |
HIP 43471 |
15.96 |
| 2026-06-10 00:00 |
08:51:40.88 |
+33:49:58.8 |
HIP 43561 |
17.84 |
| 2026-06-10 12:00 |
08:52:07.85 |
+33:46:37.3 |
HIP 43561 |
19.64 |
| 2026-06-11 00:00 |
08:52:34.89 |
+33:43:15.9 |
HIP 43561 |
23.19 |
| 2026-06-11 12:00 |
08:53:02.00 |
+33:39:54.7 |
HIP 43561 |
27.86 |
| 2026-06-12 00:00 |
08:53:29.16 |
+33:36:33.6 |
HIP 43787 |
24.74 |
| 2026-06-12 12:00 |
08:53:56.39 |
+33:33:12.6 |
HIP 43787 |
22.88 |
| 2026-06-13 00:00 |
08:54:23.68 |
+33:29:51.7 |
HIP 43787 |
22.83 |
| 2026-06-13 12:00 |
08:54:51.03 |
+33:26:30.9 |
HIP 43787 |
24.60 |
| 2026-06-14 00:00 |
08:55:18.44 |
+33:23:10.3 |
HIP 43904 |
18.59 |
| 2026-06-14 12:00 |
08:55:45.90 |
+33:19:49.8 |
HIP 43904 |
12.01 |
| 2026-06-15 00:00 |
08:56:13.42 |
+33:16:29.4 |
HIP 43904 |
5.53 |
| 2026-06-15 12:00 |
08:56:41.00 |
+33:13:09.2 |
HIP 43904 |
2.34 |
| 2026-06-16 00:00 |
08:57:08.63 |
+33:09:49.0 |
HIP 43904 |
8.32 |
| 2026-06-16 12:00 |
08:57:36.32 |
+33:06:29.0 |
HIP 43932 |
14.48 |
| 2026-06-17 00:00 |
08:58:04.05 |
+33:03:09.2 |
HIP 43932 |
16.51 |
| 2026-06-17 12:00 |
08:58:31.84 |
+32:59:49.4 |
HIP 43932 |
20.64 |
| 2026-06-18 00:00 |
08:58:59.68 |
+32:56:29.8 |
HIP 43932 |
25.89 |
| 2026-06-18 12:00 |
08:59:27.57 |
+32:53:10.3 |
HIP 44154 |
28.07 |
| 2026-06-19 00:00 |
08:59:55.50 |
+32:49:51.0 |
HIP 44154 |
25.19 |
| 2026-06-19 12:00 |
09:00:23.48 |
+32:46:31.8 |
HIP 44230 |
21.53 |
| 2026-06-20 00:00 |
09:00:51.51 |
+32:43:12.7 |
HIP 44230 |
18.68 |
| 2026-06-20 12:00 |
09:01:19.58 |
+32:39:53.8 |
HIP 44230 |
18.07 |
| 2026-06-21 00:00 |
09:01:47.69 |
+32:36:35.0 |
HIP 44230 |
19.91 |
| 2026-06-21 12:00 |
09:02:15.85 |
+32:33:16.3 |
HIP 44307 |
21.17 |
| 2026-06-22 00:00 |
09:02:44.05 |
+32:29:57.8 |
HIP 44307 |
22.46 |