| 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) |
| 2026-09-20 00:00 |
10:27:58.98 |
+23:31:53.6 |
HIP 51353 |
33.96 |
| 2026-09-20 12:00 |
10:28:24.54 |
+23:29:27.3 |
HIP 51353 |
28.88 |
| 2026-09-21 00:00 |
10:28:50.05 |
+23:27:01.6 |
HIP 51353 |
24.40 |
| 2026-09-21 12:00 |
10:29:15.48 |
+23:24:36.4 |
HIP 51353 |
20.93 |
| 2026-09-22 00:00 |
10:29:40.85 |
+23:22:11.9 |
HIP 51353 |
18.99 |
| 2026-09-22 12:00 |
10:30:06.16 |
+23:19:47.9 |
HIP 51353 |
19.05 |
| 2026-09-23 00:00 |
10:30:31.39 |
+23:17:24.6 |
HIP 51353 |
21.08 |
| 2026-09-23 12:00 |
10:30:56.56 |
+23:15:01.8 |
HIP 51594 |
19.98 |
| 2026-09-24 00:00 |
10:31:21.67 |
+23:12:39.7 |
HIP 51594 |
15.24 |
| 2026-09-24 12:00 |
10:31:46.70 |
+23:10:18.2 |
HIP 51594 |
11.95 |
| 2026-09-25 00:00 |
10:32:11.66 |
+23:07:57.3 |
HIP 51594 |
11.42 |
| 2026-09-25 12:00 |
10:32:36.56 |
+23:05:37.1 |
HIP 51594 |
13.95 |
| 2026-09-26 00:00 |
10:33:01.38 |
+23:03:17.5 |
HIP 51594 |
18.29 |
| 2026-09-26 12:00 |
10:33:26.14 |
+23:00:58.5 |
HIP 51699 |
20.65 |
| 2026-09-27 00:00 |
10:33:50.82 |
+22:58:40.1 |
HIP 51699 |
22.39 |
| 2026-09-27 12:00 |
10:34:15.43 |
+22:56:22.4 |
HIP 51699 |
25.50 |
| 2026-09-28 00:00 |
10:34:39.97 |
+22:54:05.3 |
HIP 51699 |
29.55 |
| 2026-09-28 12:00 |
10:35:04.44 |
+22:51:48.9 |
HIP 51699 |
34.18 |
| 2026-09-29 00:00 |
10:35:28.83 |
+22:49:33.2 |
HIP 51699 |
39.20 |
| 2026-09-29 12:00 |
10:35:53.15 |
+22:47:18.1 |
HIP 51983 |
44.04 |
| 2026-09-30 00:00 |
10:36:17.40 |
+22:45:03.7 |
HIP 51983 |
44.05 |
| 2026-09-30 12:00 |
10:36:41.57 |
+22:42:49.9 |
HIP 52042 |
42.47 |
| 2026-10-01 00:00 |
10:37:05.66 |
+22:40:36.8 |
HIP 52042 |
38.31 |
| 2026-10-01 12:00 |
10:37:29.68 |
+22:38:24.4 |
HIP 52042 |
34.69 |
| 2026-10-02 00:00 |
10:37:53.62 |
+22:36:12.7 |
HIP 52158 |
31.74 |
| 2026-10-02 12:00 |
10:38:17.49 |
+22:34:01.7 |
HIP 52158 |
26.69 |
| 2026-10-03 00:00 |
10:38:41.27 |
+22:31:51.4 |
HIP 52158 |
22.09 |
| 2026-10-03 12:00 |
10:39:04.98 |
+22:29:41.8 |
HIP 52158 |
18.29 |
| 2026-10-04 00:00 |
10:39:28.61 |
+22:27:32.9 |
HIP 52158 |
15.83 |
| 2026-10-04 12:00 |
10:39:52.15 |
+22:25:24.8 |
HIP 52158 |
15.35 |
| 2026-10-05 00:00 |
10:40:15.62 |
+22:23:17.3 |
HIP 52158 |
17.00 |
| 2026-10-05 12:00 |
10:40:39.00 |
+22:21:10.6 |
HIP 52345 |
19.32 |
| 2026-10-06 00:00 |
10:41:02.31 |
+22:19:04.6 |
HIP 52345 |
13.59 |
| 2026-10-06 12:00 |
10:41:25.52 |
+22:16:59.4 |
HIP 52345 |
7.94 |
| 2026-10-07 00:00 |
10:41:48.66 |
+22:14:54.9 |
HIP 52345 |
2.85 |
| 2026-10-07 12:00 |
10:42:11.70 |
+22:12:51.2 |
HIP 52345 |
4.34 |
| 2026-10-08 00:00 |
10:42:34.67 |
+22:10:48.2 |
HIP 52345 |
9.73 |
| 2026-10-08 12:00 |
10:42:57.54 |
+22:08:46.0 |
HIP 52345 |
15.32 |
| 2026-10-09 00:00 |
10:43:20.33 |
+22:06:44.5 |
HIP 52345 |
20.94 |
| 2026-10-09 12:00 |
10:43:43.03 |
+22:04:43.9 |
HIP 52345 |
26.54 |
| 2026-10-10 00:00 |
10:44:05.64 |
+22:02:44.0 |
HIP 52345 |
32.14 |
| 2026-10-10 12:00 |
10:44:28.16 |
+22:00:45.0 |
HIP 52479 |
33.04 |
| 2026-10-11 00:00 |
10:44:50.59 |
+21:58:46.7 |
HIP 52479 |
33.24 |