410P/NEAT-LINEAR
| Parameter |
Value |
| Designation |
410P/NEAT-LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2021-06-23T16:08:47.518080Z |
| Orbit solution date (soln_date, UTC) |
2024-10-10T17:20:56Z |
| Obs used |
272 |
| NEO |
- |
| M1 |
15.300 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2003-11-19T08:35:26.880000Z |
| Discovery magnitude (MPC) |
19.40 |
| Discovery observatory (MPC) |
644 · Palomar Mountain/NEAT |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2020-10-23.0000000 |
| e |
0.51001407 |
| q (au) |
3.246901 |
| a (au) |
6.626518 |
| i (deg) |
9.393692 |
| Ω (om, deg) |
139.982329 |
| ω (w, deg) |
313.113433 |
| M (ma, deg) |
345.920638 |
Magnitude
Scatter + Global Linear
$$
M_a = (14.656 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
14.656 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.926 |
| 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
Residuals (Piecewise)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| Start (UTC) |
End (UTC) |
a |
b |
| 2020-08-29 |
2021-02-13 |
+16.5565 |
-8.722 |
| 2021-11-07 |
2022-04-29 |
-18.9461 |
+10.146 |
log10 r = log10(heliocentric distance / AU), Δ = geocentric distance (AU)
Ephemeris
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-02-03 00:00 |
16:16:44.52 |
-12:12:05.7 |
HIP 79760 |
20.53 |
| 2026-02-03 12:00 |
16:16:53.16 |
-12:11:59.8 |
HIP 79760 |
20.71 |
| 2026-02-04 00:00 |
16:17:01.70 |
-12:11:53.4 |
HIP 79760 |
21.11 |
| 2026-02-04 12:00 |
16:17:10.15 |
-12:11:46.7 |
HIP 79760 |
21.71 |
| 2026-02-05 00:00 |
16:17:18.49 |
-12:11:39.5 |
HIP 79766 |
22.45 |
| 2026-02-05 12:00 |
16:17:26.73 |
-12:11:31.9 |
HIP 79899 |
22.54 |
| 2026-02-06 00:00 |
16:17:34.87 |
-12:11:23.9 |
HIP 79899 |
21.11 |
| 2026-02-06 12:00 |
16:17:42.91 |
-12:11:15.5 |
HIP 79899 |
19.79 |
| 2026-02-07 00:00 |
16:17:50.85 |
-12:11:06.7 |
HIP 79899 |
18.59 |
| 2026-02-07 12:00 |
16:17:58.69 |
-12:10:57.5 |
HIP 79899 |
17.53 |
| 2026-02-08 00:00 |
16:18:06.42 |
-12:10:47.8 |
HIP 79899 |
16.63 |
| 2026-02-08 12:00 |
16:18:14.05 |
-12:10:37.8 |
HIP 79899 |
15.90 |
| 2026-02-09 00:00 |
16:18:21.58 |
-12:10:27.4 |
HIP 79899 |
15.37 |
| 2026-02-09 12:00 |
16:18:29.00 |
-12:10:16.5 |
HIP 79899 |
15.04 |
| 2026-02-10 00:00 |
16:18:36.32 |
-12:10:05.2 |
HIP 79899 |
14.92 |
| 2026-02-10 12:00 |
16:18:43.53 |
-12:09:53.6 |
HIP 79988 |
13.63 |
| 2026-02-11 00:00 |
16:18:50.64 |
-12:09:41.5 |
HIP 79988 |
11.88 |
| 2026-02-11 12:00 |
16:18:57.63 |
-12:09:29.0 |
HIP 79988 |
10.16 |
| 2026-02-12 00:00 |
16:19:04.53 |
-12:09:16.2 |
HIP 79988 |
8.46 |
| 2026-02-12 12:00 |
16:19:11.31 |
-12:09:02.9 |
HIP 79988 |
6.79 |
| 2026-02-13 00:00 |
16:19:17.99 |
-12:08:49.3 |
HIP 79988 |
5.15 |
| 2026-02-13 12:00 |
16:19:24.55 |
-12:08:35.2 |
HIP 79988 |
3.53 |
| 2026-02-14 00:00 |
16:19:31.01 |
-12:08:20.7 |
HIP 79988 |
1.93 |
| 2026-02-14 12:00 |
16:19:37.36 |
-12:08:05.9 |
HIP 79988 |
0.39 |
| 2026-02-15 00:00 |
16:19:43.59 |
-12:07:50.7 |
HIP 79988 |
1.20 |
| 2026-02-15 12:00 |
16:19:49.72 |
-12:07:35.0 |
HIP 79988 |
2.71 |
| 2026-02-16 00:00 |
16:19:55.74 |
-12:07:19.0 |
HIP 79988 |
4.21 |
| 2026-02-16 12:00 |
16:20:01.64 |
-12:07:02.6 |
HIP 79988 |
5.67 |
| 2026-02-17 00:00 |
16:20:07.43 |
-12:06:45.8 |
HIP 79988 |
7.11 |
| 2026-02-17 12:00 |
16:20:13.11 |
-12:06:28.7 |
HIP 79988 |
8.53 |
| 2026-02-18 00:00 |
16:20:18.68 |
-12:06:11.1 |
HIP 79988 |
9.92 |
| 2026-02-18 12:00 |
16:20:24.13 |
-12:05:53.2 |
HIP 79988 |
11.29 |
| 2026-02-19 00:00 |
16:20:29.47 |
-12:05:34.9 |
HIP 80107 |
10.13 |
| 2026-02-19 12:00 |
16:20:34.69 |
-12:05:16.2 |
HIP 80107 |
8.84 |
| 2026-02-20 00:00 |
16:20:39.80 |
-12:04:57.2 |
HIP 80107 |
7.57 |
| 2026-02-20 12:00 |
16:20:44.80 |
-12:04:37.7 |
HIP 80107 |
6.34 |
| 2026-02-21 00:00 |
16:20:49.68 |
-12:04:17.9 |
HIP 80107 |
5.14 |
| 2026-02-21 12:00 |
16:20:54.44 |
-12:03:57.8 |
HIP 80107 |
3.99 |
| 2026-02-22 00:00 |
16:20:59.09 |
-12:03:37.3 |
HIP 80107 |
2.90 |
| 2026-02-22 12:00 |
16:21:03.62 |
-12:03:16.4 |
HIP 80107 |
1.94 |
| 2026-02-23 00:00 |
16:21:08.04 |
-12:02:55.1 |
HIP 80107 |
1.34 |
| 2026-02-23 12:00 |
16:21:12.34 |
-12:02:33.5 |
HIP 80107 |
1.53 |
| 2026-02-24 00:00 |
16:21:16.52 |
-12:02:11.6 |
HIP 80107 |
2.28 |