| Parameter |
Value |
| Designation |
C/2006 M1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2007-02-13T22:08:12.292800Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:58Z |
| Obs used |
629 |
| NEO |
- |
| M1 |
9.400 |
| K1 |
9.250 |
| PC |
0.030 |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2006-12-24.0000000 |
| e |
0.97685593 |
| q (au) |
3.556199 |
| a (au) |
153.654849 |
| i (deg) |
54.876917 |
| Ω (om, deg) |
231.615075 |
| ω (w, deg) |
122.894200 |
| M (ma, deg) |
359.973132 |
Magnitude
Scatter + Global Linear
$$
M_a = (10.193 + 3.771\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
10.193 |
| n |
3.771 |
| gf |
0.999 |
| gb |
-0.525 |
| k |
0.800 |
| δ90 |
9.895 |
| 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) |
| 2026-06-01 00:00 |
08:05:21.90 |
-35:47:35.6 |
HIP 39498 |
18.45 |
| 2026-06-01 12:00 |
08:05:24.70 |
-35:47:10.7 |
HIP 39498 |
19.13 |
| 2026-06-02 00:00 |
08:05:27.53 |
-35:46:46.0 |
HIP 39498 |
19.82 |
| 2026-06-02 12:00 |
08:05:30.39 |
-35:46:21.6 |
HIP 39498 |
20.50 |
| 2026-06-03 00:00 |
08:05:33.26 |
-35:45:57.4 |
HIP 39498 |
21.19 |
| 2026-06-03 12:00 |
08:05:36.16 |
-35:45:33.5 |
HIP 39498 |
21.87 |
| 2026-06-04 00:00 |
08:05:39.08 |
-35:45:09.9 |
HIP 39498 |
22.56 |
| 2026-06-04 12:00 |
08:05:42.02 |
-35:44:46.5 |
HIP 39498 |
23.25 |
| 2026-06-05 00:00 |
08:05:44.99 |
-35:44:23.4 |
HIP 39498 |
23.94 |
| 2026-06-05 12:00 |
08:05:47.97 |
-35:44:00.6 |
HIP 39498 |
24.63 |
| 2026-06-06 00:00 |
08:05:50.98 |
-35:43:38.1 |
HIP 39498 |
25.32 |
| 2026-06-06 12:00 |
08:05:54.01 |
-35:43:15.8 |
HIP 39498 |
26.01 |
| 2026-06-07 00:00 |
08:05:57.06 |
-35:42:53.8 |
HIP 39498 |
26.70 |
| 2026-06-07 12:00 |
08:06:00.13 |
-35:42:32.1 |
HIP 39498 |
27.40 |
| 2026-06-08 00:00 |
08:06:03.22 |
-35:42:10.7 |
HIP 39498 |
28.09 |
| 2026-06-08 12:00 |
08:06:06.33 |
-35:41:49.6 |
HIP 39498 |
28.79 |
| 2026-06-09 00:00 |
08:06:09.47 |
-35:41:28.7 |
HIP 39498 |
29.49 |
| 2026-06-09 12:00 |
08:06:12.62 |
-35:41:08.1 |
HIP 39498 |
30.19 |
| 2026-06-10 00:00 |
08:06:15.79 |
-35:40:47.8 |
HIP 39498 |
30.89 |
| 2026-06-10 12:00 |
08:06:18.99 |
-35:40:27.8 |
HIP 39498 |
31.59 |
| 2026-06-11 00:00 |
08:06:22.20 |
-35:40:08.1 |
HIP 39448 |
32.14 |
| 2026-06-11 12:00 |
08:06:25.43 |
-35:39:48.7 |
HIP 39448 |
32.68 |
| 2026-06-12 00:00 |
08:06:28.68 |
-35:39:29.5 |
HIP 39801 |
32.69 |
| 2026-06-12 12:00 |
08:06:31.95 |
-35:39:10.7 |
HIP 39801 |
32.05 |
| 2026-06-13 00:00 |
08:06:35.24 |
-35:38:52.1 |
HIP 39801 |
31.42 |
| 2026-06-13 12:00 |
08:06:38.55 |
-35:38:33.9 |
HIP 39801 |
30.80 |
| 2026-06-14 00:00 |
08:06:41.88 |
-35:38:15.9 |
HIP 39801 |
30.18 |
| 2026-06-14 12:00 |
08:06:45.22 |
-35:37:58.3 |
HIP 39801 |
29.57 |
| 2026-06-15 00:00 |
08:06:48.59 |
-35:37:40.9 |
HIP 39801 |
28.98 |
| 2026-06-15 12:00 |
08:06:51.97 |
-35:37:23.9 |
HIP 39801 |
28.39 |
| 2026-06-16 00:00 |
08:06:55.37 |
-35:37:07.1 |
HIP 39801 |
27.81 |
| 2026-06-16 12:00 |
08:06:58.78 |
-35:36:50.7 |
HIP 39801 |
27.24 |
| 2026-06-17 00:00 |
08:07:02.22 |
-35:36:34.5 |
HIP 39801 |
26.68 |
| 2026-06-17 12:00 |
08:07:05.66 |
-35:36:18.7 |
HIP 39801 |
26.14 |
| 2026-06-18 00:00 |
08:07:09.13 |
-35:36:03.1 |
HIP 39801 |
25.61 |
| 2026-06-18 12:00 |
08:07:12.61 |
-35:35:47.9 |
HIP 39801 |
25.10 |
| 2026-06-19 00:00 |
08:07:16.11 |
-35:35:33.0 |
HIP 39801 |
24.60 |
| 2026-06-19 12:00 |
08:07:19.62 |
-35:35:18.3 |
HIP 39920 |
23.88 |
| 2026-06-20 00:00 |
08:07:23.15 |
-35:35:04.0 |
HIP 39920 |
23.12 |
| 2026-06-20 12:00 |
08:07:26.70 |
-35:34:50.0 |
HIP 39920 |
22.36 |
| 2026-06-21 00:00 |
08:07:30.26 |
-35:34:36.4 |
HIP 39920 |
21.61 |
| 2026-06-21 12:00 |
08:07:33.83 |
-35:34:23.0 |
HIP 39920 |
20.85 |
| 2026-06-22 00:00 |
08:07:37.42 |
-35:34:09.9 |
HIP 39920 |
20.09 |