| Parameter |
Value |
| Designation |
C/2006 X1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2006-03-05T17:06:21.522240Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:03Z |
| Obs used |
95 |
| NEO |
- |
| M1 |
6.900 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2006-12-21.0000000 |
| e |
1.00000000 |
| q (au) |
6.126054 |
| a (au) |
- |
| i (deg) |
42.617795 |
| Ω (om, deg) |
255.242287 |
| ω (w, deg) |
101.283664 |
| M (ma, deg) |
- |
Magnitude
Scatter + Global Linear
$$
M_a = (10.097 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
10.097 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.706 |
| 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) |
| 2026-07-29 00:00 |
07:42:10.38 |
-11:06:54.2 |
HIP 37536 |
14.09 |
| 2026-07-29 12:00 |
07:42:13.64 |
-11:07:09.2 |
HIP 37536 |
13.82 |
| 2026-07-30 00:00 |
07:42:16.89 |
-11:07:24.3 |
HIP 37536 |
13.60 |
| 2026-07-30 12:00 |
07:42:20.13 |
-11:07:39.7 |
HIP 37536 |
13.42 |
| 2026-07-31 00:00 |
07:42:23.37 |
-11:07:55.2 |
HIP 37536 |
13.29 |
| 2026-07-31 12:00 |
07:42:26.60 |
-11:08:10.9 |
HIP 37536 |
13.20 |
| 2026-08-01 00:00 |
07:42:29.83 |
-11:08:26.8 |
HIP 37536 |
13.17 |
| 2026-08-01 12:00 |
07:42:33.04 |
-11:08:42.9 |
HIP 37536 |
13.18 |
| 2026-08-02 00:00 |
07:42:36.26 |
-11:08:59.2 |
HIP 37536 |
13.24 |
| 2026-08-02 12:00 |
07:42:39.46 |
-11:09:15.6 |
HIP 37536 |
13.36 |
| 2026-08-03 00:00 |
07:42:42.66 |
-11:09:32.3 |
HIP 37536 |
13.52 |
| 2026-08-03 12:00 |
07:42:45.85 |
-11:09:49.1 |
HIP 37536 |
13.72 |
| 2026-08-04 00:00 |
07:42:49.03 |
-11:10:06.1 |
HIP 37536 |
13.97 |
| 2026-08-04 12:00 |
07:42:52.21 |
-11:10:23.3 |
HIP 37536 |
14.25 |
| 2026-08-05 00:00 |
07:42:55.37 |
-11:10:40.6 |
HIP 37536 |
14.58 |
| 2026-08-05 12:00 |
07:42:58.53 |
-11:10:58.2 |
HIP 37536 |
14.94 |
| 2026-08-06 00:00 |
07:43:01.68 |
-11:11:15.9 |
HIP 37536 |
15.33 |
| 2026-08-06 12:00 |
07:43:04.83 |
-11:11:33.8 |
HIP 37536 |
15.76 |
| 2026-08-07 00:00 |
07:43:07.96 |
-11:11:51.9 |
HIP 37536 |
16.21 |
| 2026-08-07 12:00 |
07:43:11.09 |
-11:12:10.2 |
HIP 37536 |
16.69 |
| 2026-08-08 00:00 |
07:43:14.20 |
-11:12:28.6 |
HIP 37536 |
17.18 |
| 2026-08-08 12:00 |
07:43:17.31 |
-11:12:47.3 |
HIP 37536 |
17.71 |
| 2026-08-09 00:00 |
07:43:20.40 |
-11:13:06.1 |
HIP 37536 |
18.24 |
| 2026-08-09 12:00 |
07:43:23.49 |
-11:13:25.0 |
HIP 37536 |
18.80 |
| 2026-08-10 00:00 |
07:43:26.57 |
-11:13:44.2 |
HIP 37536 |
19.37 |
| 2026-08-10 12:00 |
07:43:29.64 |
-11:14:03.5 |
HIP 37536 |
19.96 |
| 2026-08-11 00:00 |
07:43:32.69 |
-11:14:23.0 |
HIP 37536 |
20.56 |
| 2026-08-11 12:00 |
07:43:35.74 |
-11:14:42.6 |
HIP 37536 |
21.17 |
| 2026-08-12 00:00 |
07:43:38.78 |
-11:15:02.4 |
HIP 37536 |
21.78 |
| 2026-08-12 12:00 |
07:43:41.80 |
-11:15:22.4 |
HIP 37536 |
22.41 |
| 2026-08-13 00:00 |
07:43:44.81 |
-11:15:42.6 |
HIP 37536 |
23.05 |
| 2026-08-13 12:00 |
07:43:47.82 |
-11:16:02.9 |
HIP 37536 |
23.69 |
| 2026-08-14 00:00 |
07:43:50.81 |
-11:16:23.4 |
HIP 37536 |
24.35 |
| 2026-08-14 12:00 |
07:43:53.79 |
-11:16:44.1 |
HIP 37536 |
25.00 |
| 2026-08-15 00:00 |
07:43:56.75 |
-11:17:04.9 |
HIP 37536 |
25.66 |
| 2026-08-15 12:00 |
07:43:59.71 |
-11:17:25.8 |
HIP 37536 |
26.33 |
| 2026-08-16 00:00 |
07:44:02.65 |
-11:17:47.0 |
HIP 37536 |
27.00 |
| 2026-08-16 12:00 |
07:44:05.58 |
-11:18:08.3 |
HIP 37536 |
27.68 |
| 2026-08-17 00:00 |
07:44:08.50 |
-11:18:29.7 |
HIP 37536 |
28.35 |
| 2026-08-17 12:00 |
07:44:11.40 |
-11:18:51.3 |
HIP 37536 |
29.03 |
| 2026-08-18 00:00 |
07:44:14.29 |
-11:19:13.1 |
HIP 37801 |
29.20 |
| 2026-08-18 12:00 |
07:44:17.17 |
-11:19:35.0 |
HIP 37801 |
28.59 |
| 2026-08-19 00:00 |
07:44:20.03 |
-11:19:57.0 |
HIP 37801 |
27.98 |