C/2001 M10 (NEAT)
| Parameter |
Value |
| Designation |
C/2001 M10 (NEAT) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2001-06-21T05:05:18.251520Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:09Z |
| Obs used |
93 |
| NEO |
- |
| M1 |
10.700 |
| K1 |
6.250 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2001-11-03.0000000 |
| e |
0.80109494 |
| q (au) |
5.302796 |
| a (au) |
26.659937 |
| i (deg) |
28.083400 |
| Ω (om, deg) |
293.917499 |
| ω (w, deg) |
5.478964 |
| M (ma, deg) |
0.965087 |
Magnitude
Scatter + Global Linear
$$
M_a = (11.120 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
11.120 |
| n |
2.000 |
| gf |
0.974 |
| gb |
-0.951 |
| k |
1.000 |
| δ90 |
9.726 |
| 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) |
| 2026-02-03 00:00 |
06:16:19.83 |
+33:36:17.1 |
HIP 29760 |
24.64 |
| 2026-02-03 12:00 |
06:16:16.80 |
+33:36:09.6 |
HIP 29760 |
24.43 |
| 2026-02-04 00:00 |
06:16:13.80 |
+33:36:02.0 |
HIP 29760 |
24.23 |
| 2026-02-04 12:00 |
06:16:10.82 |
+33:35:54.4 |
HIP 29760 |
24.04 |
| 2026-02-05 00:00 |
06:16:07.88 |
+33:35:46.7 |
HIP 29760 |
23.87 |
| 2026-02-05 12:00 |
06:16:04.95 |
+33:35:38.9 |
HIP 29760 |
23.72 |
| 2026-02-06 00:00 |
06:16:02.06 |
+33:35:31.0 |
HIP 29760 |
23.58 |
| 2026-02-06 12:00 |
06:15:59.19 |
+33:35:23.1 |
HIP 29760 |
23.45 |
| 2026-02-07 00:00 |
06:15:56.35 |
+33:35:15.1 |
HIP 29760 |
23.34 |
| 2026-02-07 12:00 |
06:15:53.54 |
+33:35:07.0 |
HIP 29760 |
23.24 |
| 2026-02-08 00:00 |
06:15:50.76 |
+33:34:58.8 |
HIP 29760 |
23.15 |
| 2026-02-08 12:00 |
06:15:48.01 |
+33:34:50.6 |
HIP 29760 |
23.08 |
| 2026-02-09 00:00 |
06:15:45.28 |
+33:34:42.3 |
HIP 29760 |
23.02 |
| 2026-02-09 12:00 |
06:15:42.59 |
+33:34:34.0 |
HIP 29760 |
22.98 |
| 2026-02-10 00:00 |
06:15:39.92 |
+33:34:25.5 |
HIP 29760 |
22.94 |
| 2026-02-10 12:00 |
06:15:37.28 |
+33:34:17.1 |
HIP 29760 |
22.92 |
| 2026-02-11 00:00 |
06:15:34.67 |
+33:34:08.5 |
HIP 29760 |
22.91 |
| 2026-02-11 12:00 |
06:15:32.10 |
+33:33:59.9 |
HIP 29760 |
22.91 |
| 2026-02-12 00:00 |
06:15:29.55 |
+33:33:51.2 |
HIP 29760 |
22.92 |
| 2026-02-12 12:00 |
06:15:27.03 |
+33:33:42.4 |
HIP 29760 |
22.94 |
| 2026-02-13 00:00 |
06:15:24.54 |
+33:33:33.6 |
HIP 29760 |
22.97 |
| 2026-02-13 12:00 |
06:15:22.09 |
+33:33:24.7 |
HIP 29760 |
23.01 |
| 2026-02-14 00:00 |
06:15:19.66 |
+33:33:15.8 |
HIP 29760 |
23.06 |
| 2026-02-14 12:00 |
06:15:17.27 |
+33:33:06.8 |
HIP 29760 |
23.12 |
| 2026-02-15 00:00 |
06:15:14.91 |
+33:32:57.7 |
HIP 29760 |
23.18 |
| 2026-02-15 12:00 |
06:15:12.57 |
+33:32:48.6 |
HIP 29760 |
23.25 |
| 2026-02-16 00:00 |
06:15:10.28 |
+33:32:39.4 |
HIP 29581 |
23.15 |
| 2026-02-16 12:00 |
06:15:08.01 |
+33:32:30.2 |
HIP 29581 |
22.74 |
| 2026-02-17 00:00 |
06:15:05.77 |
+33:32:20.9 |
HIP 29581 |
22.33 |
| 2026-02-17 12:00 |
06:15:03.57 |
+33:32:11.5 |
HIP 29581 |
21.93 |
| 2026-02-18 00:00 |
06:15:01.40 |
+33:32:02.1 |
HIP 29581 |
21.53 |
| 2026-02-18 12:00 |
06:14:59.27 |
+33:31:52.6 |
HIP 29581 |
21.14 |
| 2026-02-19 00:00 |
06:14:57.16 |
+33:31:43.1 |
HIP 29581 |
20.76 |
| 2026-02-19 12:00 |
06:14:55.09 |
+33:31:33.5 |
HIP 29581 |
20.38 |
| 2026-02-20 00:00 |
06:14:53.05 |
+33:31:23.9 |
HIP 29581 |
20.02 |
| 2026-02-20 12:00 |
06:14:51.05 |
+33:31:14.2 |
HIP 29581 |
19.65 |
| 2026-02-21 00:00 |
06:14:49.08 |
+33:31:04.5 |
HIP 29581 |
19.30 |
| 2026-02-21 12:00 |
06:14:47.14 |
+33:30:54.7 |
HIP 29581 |
18.95 |
| 2026-02-22 00:00 |
06:14:45.24 |
+33:30:44.9 |
HIP 29581 |
18.60 |
| 2026-02-22 12:00 |
06:14:43.37 |
+33:30:35.0 |
HIP 29581 |
18.27 |
| 2026-02-23 00:00 |
06:14:41.54 |
+33:30:25.1 |
HIP 29581 |
17.94 |
| 2026-02-23 12:00 |
06:14:39.74 |
+33:30:15.1 |
HIP 29581 |
17.61 |
| 2026-02-24 00:00 |
06:14:37.97 |
+33:30:05.1 |
HIP 29581 |
17.30 |