| Parameter |
Value |
| Designation |
C/2016 K1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2016-07-13T09:05:23.239680Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:33:24Z |
| Obs used |
310 |
| NEO |
- |
| M1 |
8.900 |
| K1 |
22.000 |
| PC |
0.030 |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2016-07-28.0000000 |
| e |
1.00027414 |
| q (au) |
2.291522 |
| a (au) |
-8358.942288 |
| i (deg) |
90.845997 |
| Ω (om, deg) |
325.702598 |
| ω (w, deg) |
18.253429 |
| M (ma, deg) |
0.000019 |
Magnitude
Scatter + Global Linear
$$
M_a = (10.799 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
10.799 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.500 |
| 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) |
| 2026-06-01 00:00 |
10:09:49.45 |
+30:15:45.4 |
HIP 49685 |
25.84 |
| 2026-06-01 12:00 |
10:09:50.18 |
+30:15:11.8 |
HIP 49933 |
25.75 |
| 2026-06-02 00:00 |
10:09:50.97 |
+30:14:38.0 |
HIP 49933 |
25.46 |
| 2026-06-02 12:00 |
10:09:51.79 |
+30:14:04.1 |
HIP 49933 |
25.16 |
| 2026-06-03 00:00 |
10:09:52.66 |
+30:13:30.1 |
HIP 49933 |
24.87 |
| 2026-06-03 12:00 |
10:09:53.57 |
+30:12:55.9 |
HIP 49933 |
24.58 |
| 2026-06-04 00:00 |
10:09:54.52 |
+30:12:21.6 |
HIP 49933 |
24.29 |
| 2026-06-04 12:00 |
10:09:55.51 |
+30:11:47.2 |
HIP 49933 |
24.01 |
| 2026-06-05 00:00 |
10:09:56.55 |
+30:11:12.7 |
HIP 49933 |
23.72 |
| 2026-06-05 12:00 |
10:09:57.63 |
+30:10:38.0 |
HIP 49933 |
23.44 |
| 2026-06-06 00:00 |
10:09:58.75 |
+30:10:03.2 |
HIP 49933 |
23.17 |
| 2026-06-06 12:00 |
10:09:59.91 |
+30:09:28.3 |
HIP 49933 |
22.90 |
| 2026-06-07 00:00 |
10:10:01.11 |
+30:08:53.2 |
HIP 49933 |
22.63 |
| 2026-06-07 12:00 |
10:10:02.36 |
+30:08:18.1 |
HIP 49933 |
22.37 |
| 2026-06-08 00:00 |
10:10:03.64 |
+30:07:42.8 |
HIP 49933 |
22.12 |
| 2026-06-08 12:00 |
10:10:04.97 |
+30:07:07.4 |
HIP 49933 |
21.88 |
| 2026-06-09 00:00 |
10:10:06.33 |
+30:06:31.9 |
HIP 49933 |
21.64 |
| 2026-06-09 12:00 |
10:10:07.74 |
+30:05:56.3 |
HIP 49933 |
21.42 |
| 2026-06-10 00:00 |
10:10:09.19 |
+30:05:20.6 |
HIP 49933 |
21.20 |
| 2026-06-10 12:00 |
10:10:10.68 |
+30:04:44.8 |
HIP 49933 |
20.99 |
| 2026-06-11 00:00 |
10:10:12.21 |
+30:04:08.9 |
HIP 49933 |
20.80 |
| 2026-06-11 12:00 |
10:10:13.78 |
+30:03:32.9 |
HIP 49933 |
20.62 |
| 2026-06-12 00:00 |
10:10:15.39 |
+30:02:56.7 |
HIP 49933 |
20.45 |
| 2026-06-12 12:00 |
10:10:17.04 |
+30:02:20.5 |
HIP 49933 |
20.30 |
| 2026-06-13 00:00 |
10:10:18.73 |
+30:01:44.2 |
HIP 49933 |
20.17 |
| 2026-06-13 12:00 |
10:10:20.45 |
+30:01:07.8 |
HIP 49933 |
20.05 |
| 2026-06-14 00:00 |
10:10:22.22 |
+30:00:31.3 |
HIP 49933 |
19.94 |
| 2026-06-14 12:00 |
10:10:24.03 |
+29:59:54.7 |
HIP 49933 |
19.86 |
| 2026-06-15 00:00 |
10:10:25.87 |
+29:59:18.0 |
HIP 49933 |
19.80 |
| 2026-06-15 12:00 |
10:10:27.76 |
+29:58:41.2 |
HIP 49933 |
19.75 |
| 2026-06-16 00:00 |
10:10:29.68 |
+29:58:04.4 |
HIP 49933 |
19.73 |
| 2026-06-16 12:00 |
10:10:31.64 |
+29:57:27.5 |
HIP 49933 |
19.73 |
| 2026-06-17 00:00 |
10:10:33.64 |
+29:56:50.5 |
HIP 49933 |
19.75 |
| 2026-06-17 12:00 |
10:10:35.68 |
+29:56:13.4 |
HIP 49933 |
19.80 |
| 2026-06-18 00:00 |
10:10:37.75 |
+29:55:36.2 |
HIP 49933 |
19.87 |
| 2026-06-18 12:00 |
10:10:39.86 |
+29:54:59.0 |
HIP 49933 |
19.96 |
| 2026-06-19 00:00 |
10:10:42.01 |
+29:54:21.7 |
HIP 49933 |
20.08 |
| 2026-06-19 12:00 |
10:10:44.20 |
+29:53:44.3 |
HIP 49933 |
20.22 |
| 2026-06-20 00:00 |
10:10:46.42 |
+29:53:06.9 |
HIP 49933 |
20.39 |
| 2026-06-20 12:00 |
10:10:48.68 |
+29:52:29.4 |
HIP 49933 |
20.58 |
| 2026-06-21 00:00 |
10:10:50.97 |
+29:51:51.8 |
HIP 49933 |
20.80 |
| 2026-06-21 12:00 |
10:10:53.30 |
+29:51:14.2 |
HIP 49933 |
21.04 |
| 2026-06-22 00:00 |
10:10:55.67 |
+29:50:36.6 |
HIP 49933 |
21.30 |