| Parameter |
Value |
| Designation |
368P/NEAT |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2018-09-09T00:50:13.459200Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:28:37Z |
| Obs used |
784 |
| NEO |
- |
| M1 |
14.600 |
| K1 |
8.250 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2018-06-13T04:32:59.712000Z |
| Discovery magnitude (MPC) |
19.40 N |
| Discovery observatory (MPC) |
J04 · ESA Optical Ground Station, Tenerife |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2012-06-05.0000000 |
| e |
0.62854670 |
| q (au) |
2.044313 |
| a (au) |
5.503554 |
| i (deg) |
15.447948 |
| Ω (om, deg) |
258.165998 |
| ω (w, deg) |
118.808346 |
| M (ma, deg) |
185.412933 |
Magnitude
Scatter + Global Linear
$$
M_a = (16.296 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
16.296 |
| n |
2.000 |
| gf |
0.850 |
| gb |
-0.721 |
| k |
0.940 |
| 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
Ephemeris
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-07-29 00:00 |
13:05:21.58 |
-19:25:31.5 |
HIP 63879 |
26.83 |
| 2026-07-29 12:00 |
13:05:28.41 |
-19:25:23.9 |
HIP 63879 |
26.65 |
| 2026-07-30 00:00 |
13:05:35.34 |
-19:25:17.0 |
HIP 63879 |
26.58 |
| 2026-07-30 12:00 |
13:05:42.35 |
-19:25:10.7 |
HIP 63879 |
26.62 |
| 2026-07-31 00:00 |
13:05:49.45 |
-19:25:05.2 |
HIP 63879 |
26.79 |
| 2026-07-31 12:00 |
13:05:56.65 |
-19:25:00.3 |
HIP 63879 |
27.07 |
| 2026-08-01 00:00 |
13:06:03.93 |
-19:24:56.1 |
HIP 63879 |
27.47 |
| 2026-08-01 12:00 |
13:06:11.30 |
-19:24:52.7 |
HIP 63879 |
27.99 |
| 2026-08-02 00:00 |
13:06:18.77 |
-19:24:49.9 |
HIP 63959 |
27.92 |
| 2026-08-02 12:00 |
13:06:26.32 |
-19:24:47.8 |
HIP 63959 |
27.83 |
| 2026-08-03 00:00 |
13:06:33.95 |
-19:24:46.3 |
HIP 63959 |
27.86 |
| 2026-08-03 12:00 |
13:06:41.68 |
-19:24:45.6 |
HIP 63959 |
28.03 |
| 2026-08-04 00:00 |
13:06:49.49 |
-19:24:45.5 |
HIP 64071 |
27.00 |
| 2026-08-04 12:00 |
13:06:57.39 |
-19:24:46.1 |
HIP 64071 |
26.04 |
| 2026-08-05 00:00 |
13:07:05.37 |
-19:24:47.4 |
HIP 64071 |
25.18 |
| 2026-08-05 12:00 |
13:07:13.44 |
-19:24:49.4 |
HIP 64071 |
24.44 |
| 2026-08-06 00:00 |
13:07:21.60 |
-19:24:52.0 |
HIP 64071 |
23.83 |
| 2026-08-06 12:00 |
13:07:29.84 |
-19:24:55.4 |
HIP 64071 |
23.37 |
| 2026-08-07 00:00 |
13:07:38.17 |
-19:24:59.4 |
HIP 64071 |
23.08 |
| 2026-08-07 12:00 |
13:07:46.58 |
-19:25:04.0 |
HIP 64071 |
22.96 |
| 2026-08-08 00:00 |
13:07:55.07 |
-19:25:09.4 |
HIP 64071 |
23.03 |
| 2026-08-08 12:00 |
13:08:03.65 |
-19:25:15.4 |
HIP 64071 |
23.28 |
| 2026-08-09 00:00 |
13:08:12.31 |
-19:25:22.1 |
HIP 64071 |
23.72 |
| 2026-08-09 12:00 |
13:08:21.05 |
-19:25:29.4 |
HIP 64071 |
24.34 |
| 2026-08-10 00:00 |
13:08:29.88 |
-19:25:37.4 |
HIP 64071 |
25.13 |
| 2026-08-10 12:00 |
13:08:38.79 |
-19:25:46.1 |
HIP 64071 |
26.08 |
| 2026-08-11 00:00 |
13:08:47.78 |
-19:25:55.4 |
HIP 64071 |
27.19 |
| 2026-08-11 12:00 |
13:08:56.84 |
-19:26:05.4 |
HIP 64071 |
28.43 |
| 2026-08-12 00:00 |
13:09:05.99 |
-19:26:16.1 |
HIP 64071 |
29.79 |
| 2026-08-12 12:00 |
13:09:15.22 |
-19:26:27.4 |
HIP 64079 |
31.03 |
| 2026-08-13 00:00 |
13:09:24.53 |
-19:26:39.4 |
HIP 64079 |
32.28 |
| 2026-08-13 12:00 |
13:09:33.92 |
-19:26:52.0 |
HIP 64079 |
33.63 |
| 2026-08-14 00:00 |
13:09:43.38 |
-19:27:05.3 |
HIP 64079 |
35.08 |
| 2026-08-14 12:00 |
13:09:52.93 |
-19:27:19.2 |
HIP 64079 |
36.61 |
| 2026-08-15 00:00 |
13:10:02.55 |
-19:27:33.7 |
HIP 64079 |
38.22 |
| 2026-08-15 12:00 |
13:10:12.24 |
-19:27:48.9 |
HIP 64079 |
39.91 |
| 2026-08-16 00:00 |
13:10:22.01 |
-19:28:04.8 |
HIP 64204 |
41.18 |
| 2026-08-16 12:00 |
13:10:31.86 |
-19:28:21.2 |
HIP 64204 |
41.67 |
| 2026-08-17 00:00 |
13:10:41.78 |
-19:28:38.4 |
HIP 64204 |
42.27 |
| 2026-08-17 12:00 |
13:10:51.78 |
-19:28:56.1 |
HIP 64204 |
43.00 |
| 2026-08-18 00:00 |
13:11:01.85 |
-19:29:14.5 |
HIP 64204 |
43.84 |
| 2026-08-18 12:00 |
13:11:11.99 |
-19:29:33.4 |
HIP 64204 |
44.79 |
| 2026-08-19 00:00 |
13:11:22.21 |
-19:29:53.1 |
HIP 64204 |
45.85 |