| Parameter |
Value |
| Designation |
370P/NEAT |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2002-01-24T08:45:26.599680Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:28:38Z |
| Obs used |
215 |
| NEO |
- |
| M1 |
7.200 |
| K1 |
23.000 |
| PC |
0.030 |
| Discovery observation (MPC, UTC) |
2018-08-10T04:42:15.264000Z |
| Discovery magnitude (MPC) |
18.80 N |
| Discovery observatory (MPC) |
J04 · ESA Optical Ground Station, Tenerife |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2006-10-30.0000000 |
| e |
0.61224889 |
| q (au) |
2.504423 |
| a (au) |
6.458840 |
| i (deg) |
19.365933 |
| Ω (om, deg) |
55.268513 |
| ω (w, deg) |
356.830024 |
| M (ma, deg) |
104.455282 |
Magnitude
Scatter + Global Linear
$$
M_a = (10.271 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
10.271 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-1.000 |
| 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
Ephemeris
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-05-12 00:00 |
15:13:44.35 |
-16:05:49.5 |
HIP 74591 |
11.75 |
| 2026-05-12 12:00 |
15:13:33.91 |
-16:05:20.8 |
HIP 74591 |
13.83 |
| 2026-05-13 00:00 |
15:13:23.46 |
-16:04:52.1 |
HIP 74591 |
16.05 |
| 2026-05-13 12:00 |
15:13:13.02 |
-16:04:23.4 |
HIP 74591 |
18.35 |
| 2026-05-14 00:00 |
15:13:02.58 |
-16:03:54.8 |
HIP 74367 |
18.33 |
| 2026-05-14 12:00 |
15:12:52.14 |
-16:03:26.2 |
HIP 74367 |
16.14 |
| 2026-05-15 00:00 |
15:12:41.72 |
-16:02:57.6 |
HIP 74367 |
14.07 |
| 2026-05-15 12:00 |
15:12:31.30 |
-16:02:29.1 |
HIP 74367 |
12.19 |
| 2026-05-16 00:00 |
15:12:20.89 |
-16:02:00.7 |
HIP 74367 |
10.59 |
| 2026-05-16 12:00 |
15:12:10.49 |
-16:01:32.3 |
HIP 74367 |
9.42 |
| 2026-05-17 00:00 |
15:12:00.10 |
-16:01:03.9 |
HIP 74367 |
8.85 |
| 2026-05-17 12:00 |
15:11:49.72 |
-16:00:35.6 |
HIP 74367 |
8.98 |
| 2026-05-18 00:00 |
15:11:39.36 |
-16:00:07.4 |
HIP 74367 |
9.79 |
| 2026-05-18 12:00 |
15:11:29.01 |
-15:59:39.3 |
HIP 74367 |
11.12 |
| 2026-05-19 00:00 |
15:11:18.68 |
-15:59:11.2 |
HIP 74367 |
12.82 |
| 2026-05-19 12:00 |
15:11:08.36 |
-15:58:43.2 |
HIP 74367 |
14.75 |
| 2026-05-20 00:00 |
15:10:58.07 |
-15:58:15.4 |
HIP 74367 |
16.84 |
| 2026-05-20 12:00 |
15:10:47.79 |
-15:57:47.6 |
HIP 74367 |
19.03 |
| 2026-05-21 00:00 |
15:10:37.54 |
-15:57:19.9 |
HIP 74209 |
18.40 |
| 2026-05-21 12:00 |
15:10:27.30 |
-15:56:52.3 |
HIP 74209 |
16.68 |
| 2026-05-22 00:00 |
15:10:17.09 |
-15:56:24.8 |
HIP 74209 |
15.18 |
| 2026-05-22 12:00 |
15:10:06.91 |
-15:55:57.4 |
HIP 74209 |
13.98 |
| 2026-05-23 00:00 |
15:09:56.75 |
-15:55:30.1 |
HIP 74209 |
13.15 |
| 2026-05-23 12:00 |
15:09:46.61 |
-15:55:03.0 |
HIP 74209 |
12.75 |
| 2026-05-24 00:00 |
15:09:36.50 |
-15:54:35.9 |
HIP 74209 |
12.83 |
| 2026-05-24 12:00 |
15:09:26.43 |
-15:54:09.0 |
HIP 74209 |
13.38 |
| 2026-05-25 00:00 |
15:09:16.38 |
-15:53:42.2 |
HIP 74209 |
14.33 |
| 2026-05-25 12:00 |
15:09:06.36 |
-15:53:15.6 |
HIP 74209 |
15.61 |
| 2026-05-26 00:00 |
15:08:56.37 |
-15:52:49.1 |
HIP 74209 |
17.14 |
| 2026-05-26 12:00 |
15:08:46.42 |
-15:52:22.7 |
HIP 74209 |
18.86 |
| 2026-05-27 00:00 |
15:08:36.50 |
-15:51:56.5 |
HIP 74209 |
20.72 |
| 2026-05-27 12:00 |
15:08:26.61 |
-15:51:30.4 |
HIP 74209 |
22.68 |
| 2026-05-28 00:00 |
15:08:16.76 |
-15:51:04.5 |
HIP 74209 |
24.71 |
| 2026-05-28 12:00 |
15:08:06.94 |
-15:50:38.7 |
HIP 74209 |
26.80 |
| 2026-05-29 00:00 |
15:07:57.17 |
-15:50:13.1 |
HIP 74007 |
26.31 |
| 2026-05-29 12:00 |
15:07:47.43 |
-15:49:47.7 |
HIP 74007 |
25.32 |
| 2026-05-30 00:00 |
15:07:37.73 |
-15:49:22.4 |
HIP 74007 |
24.53 |
| 2026-05-30 12:00 |
15:07:28.07 |
-15:48:57.3 |
HIP 74007 |
23.96 |
| 2026-05-31 00:00 |
15:07:18.45 |
-15:48:32.3 |
HIP 74007 |
23.61 |
| 2026-05-31 12:00 |
15:07:08.88 |
-15:48:07.6 |
HIP 74007 |
23.49 |
| 2026-06-01 00:00 |
15:06:59.34 |
-15:47:43.0 |
HIP 74007 |
23.60 |
| 2026-06-01 12:00 |
15:06:49.85 |
-15:47:18.6 |
HIP 74007 |
23.95 |
| 2026-06-02 00:00 |
15:06:40.41 |
-15:46:54.4 |
HIP 74007 |
24.50 |