| Parameter |
Value |
| Designation |
236P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2010-09-08T16:59:26.387520Z |
| Orbit solution date (soln_date, UTC) |
2024-08-02T01:42:28Z |
| Obs used |
855 |
| NEO |
- |
| M1 |
15.800 |
| K1 |
8.000 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2012-02-08.0000000 |
| e |
0.50861051 |
| q (au) |
1.831984 |
| a (au) |
3.728170 |
| i (deg) |
16.333956 |
| Ω (om, deg) |
245.660604 |
| ω (w, deg) |
119.340798 |
| M (ma, deg) |
70.826590 |
Magnitude
Scatter + Global Linear
$$
M_a = (11.259 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
11.259 |
| n |
6.000 |
| gf |
0.952 |
| gb |
-1.000 |
| k |
1.000 |
| δ90 |
8.227 |
| 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) |
| 2026-06-01 00:00 |
07:48:35.42 |
+08:09:42.4 |
HIP 38040 |
11.95 |
| 2026-06-01 12:00 |
07:49:05.12 |
+08:08:50.6 |
HIP 38213 |
9.27 |
| 2026-06-02 00:00 |
07:49:34.87 |
+08:07:57.8 |
HIP 38213 |
3.36 |
| 2026-06-02 12:00 |
07:50:04.66 |
+08:07:04.3 |
HIP 38213 |
6.84 |
| 2026-06-03 00:00 |
07:50:34.51 |
+08:06:09.8 |
HIP 38213 |
13.90 |
| 2026-06-03 12:00 |
07:51:04.40 |
+08:05:14.5 |
HIP 38213 |
21.24 |
| 2026-06-04 00:00 |
07:51:34.34 |
+08:04:18.3 |
HIP 38472 |
18.26 |
| 2026-06-04 12:00 |
07:52:04.32 |
+08:03:21.2 |
HIP 38472 |
10.82 |
| 2026-06-05 00:00 |
07:52:34.34 |
+08:02:23.3 |
HIP 38472 |
3.51 |
| 2026-06-05 12:00 |
07:53:04.41 |
+08:01:24.5 |
HIP 38472 |
4.48 |
| 2026-06-06 00:00 |
07:53:34.52 |
+08:00:24.9 |
HIP 38472 |
11.86 |
| 2026-06-06 12:00 |
07:54:04.68 |
+07:59:24.3 |
HIP 38472 |
19.37 |
| 2026-06-07 00:00 |
07:54:34.87 |
+07:58:22.9 |
HIP 38472 |
26.90 |
| 2026-06-07 12:00 |
07:55:05.11 |
+07:57:20.7 |
HIP 38472 |
34.45 |
| 2026-06-08 00:00 |
07:55:35.38 |
+07:56:17.6 |
HIP 38930 |
35.57 |
| 2026-06-08 12:00 |
07:56:05.70 |
+07:55:13.6 |
HIP 38930 |
27.99 |
| 2026-06-09 00:00 |
07:56:36.05 |
+07:54:08.8 |
HIP 38930 |
20.41 |
| 2026-06-09 12:00 |
07:57:06.44 |
+07:53:03.1 |
HIP 38930 |
12.82 |
| 2026-06-10 00:00 |
07:57:36.87 |
+07:51:56.5 |
HIP 38930 |
5.28 |
| 2026-06-10 12:00 |
07:58:07.33 |
+07:50:49.1 |
HIP 38930 |
2.72 |
| 2026-06-11 00:00 |
07:58:37.83 |
+07:49:40.9 |
HIP 38930 |
10.17 |
| 2026-06-11 12:00 |
07:59:08.37 |
+07:48:31.7 |
HIP 39032 |
9.02 |
| 2026-06-12 00:00 |
07:59:38.94 |
+07:47:21.7 |
HIP 39032 |
12.42 |
| 2026-06-12 12:00 |
08:00:09.54 |
+07:46:10.9 |
HIP 39181 |
13.03 |
| 2026-06-13 00:00 |
08:00:40.17 |
+07:44:59.2 |
HIP 39181 |
10.24 |
| 2026-06-13 12:00 |
08:01:10.84 |
+07:43:46.7 |
HIP 39181 |
12.58 |
| 2026-06-14 00:00 |
08:01:41.54 |
+07:42:33.3 |
HIP 39181 |
18.18 |
| 2026-06-14 12:00 |
08:02:12.26 |
+07:41:19.1 |
HIP 39181 |
24.95 |
| 2026-06-15 00:00 |
08:02:43.02 |
+07:40:04.0 |
HIP 39181 |
32.15 |
| 2026-06-15 12:00 |
08:03:13.80 |
+07:38:48.1 |
HIP 39405 |
31.38 |
| 2026-06-16 00:00 |
08:03:44.61 |
+07:37:31.3 |
HIP 39405 |
30.63 |
| 2026-06-16 12:00 |
08:04:15.45 |
+07:36:13.7 |
HIP 39405 |
31.81 |
| 2026-06-17 00:00 |
08:04:46.32 |
+07:34:55.2 |
HIP 39405 |
34.71 |
| 2026-06-17 12:00 |
08:05:17.20 |
+07:33:35.9 |
HIP 39721 |
29.68 |
| 2026-06-18 00:00 |
08:05:48.12 |
+07:32:15.8 |
HIP 39721 |
22.10 |
| 2026-06-18 12:00 |
08:06:19.05 |
+07:30:54.9 |
HIP 39721 |
14.70 |
| 2026-06-19 00:00 |
08:06:50.01 |
+07:29:33.1 |
HIP 39721 |
8.06 |
| 2026-06-19 12:00 |
08:07:20.99 |
+07:28:10.5 |
HIP 39721 |
5.94 |
| 2026-06-20 00:00 |
08:07:51.99 |
+07:26:47.1 |
HIP 39721 |
11.28 |
| 2026-06-20 12:00 |
08:08:23.00 |
+07:25:22.9 |
HIP 39733 |
18.22 |
| 2026-06-21 00:00 |
08:08:54.04 |
+07:23:57.8 |
HIP 39733 |
24.87 |
| 2026-06-21 12:00 |
08:09:25.10 |
+07:22:31.9 |
HIP 40022 |
25.61 |
| 2026-06-22 00:00 |
08:09:56.17 |
+07:21:05.3 |
HIP 40022 |
20.53 |