| 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) |
| 2026-09-20 00:00 |
10:23:21.12 |
+28:12:23.4 |
HIP 50824 |
21.86 |
| 2026-09-20 12:00 |
10:23:25.44 |
+28:12:04.8 |
HIP 50824 |
21.99 |
| 2026-09-21 00:00 |
10:23:29.73 |
+28:11:46.4 |
HIP 50824 |
22.16 |
| 2026-09-21 12:00 |
10:23:34.01 |
+28:11:28.3 |
HIP 50824 |
22.38 |
| 2026-09-22 00:00 |
10:23:38.28 |
+28:11:10.4 |
HIP 50824 |
22.64 |
| 2026-09-22 12:00 |
10:23:42.52 |
+28:10:52.8 |
HIP 50824 |
22.94 |
| 2026-09-23 00:00 |
10:23:46.75 |
+28:10:35.4 |
HIP 50824 |
23.28 |
| 2026-09-23 12:00 |
10:23:50.96 |
+28:10:18.2 |
HIP 50824 |
23.66 |
| 2026-09-24 00:00 |
10:23:55.15 |
+28:10:01.3 |
HIP 50824 |
24.07 |
| 2026-09-24 12:00 |
10:23:59.32 |
+28:09:44.7 |
HIP 50824 |
24.51 |
| 2026-09-25 00:00 |
10:24:03.47 |
+28:09:28.3 |
HIP 50824 |
24.98 |
| 2026-09-25 12:00 |
10:24:07.61 |
+28:09:12.1 |
HIP 50824 |
25.48 |
| 2026-09-26 00:00 |
10:24:11.72 |
+28:08:56.2 |
HIP 50824 |
26.00 |
| 2026-09-26 12:00 |
10:24:15.82 |
+28:08:40.6 |
HIP 50824 |
26.54 |
| 2026-09-27 00:00 |
10:24:19.89 |
+28:08:25.2 |
HIP 50824 |
27.11 |
| 2026-09-27 12:00 |
10:24:23.95 |
+28:08:10.0 |
HIP 50824 |
27.69 |
| 2026-09-28 00:00 |
10:24:27.98 |
+28:07:55.1 |
HIP 50824 |
28.29 |
| 2026-09-28 12:00 |
10:24:31.99 |
+28:07:40.5 |
HIP 50824 |
28.91 |
| 2026-09-29 00:00 |
10:24:35.99 |
+28:07:26.1 |
HIP 50824 |
29.54 |
| 2026-09-29 12:00 |
10:24:39.96 |
+28:07:12.0 |
HIP 50824 |
30.18 |
| 2026-09-30 00:00 |
10:24:43.91 |
+28:06:58.2 |
HIP 50824 |
30.83 |
| 2026-09-30 12:00 |
10:24:47.84 |
+28:06:44.6 |
HIP 51134 |
30.51 |
| 2026-10-01 00:00 |
10:24:51.74 |
+28:06:31.2 |
HIP 51134 |
29.90 |
| 2026-10-01 12:00 |
10:24:55.63 |
+28:06:18.2 |
HIP 51134 |
29.30 |
| 2026-10-02 00:00 |
10:24:59.49 |
+28:06:05.3 |
HIP 51134 |
28.71 |
| 2026-10-02 12:00 |
10:25:03.33 |
+28:05:52.8 |
HIP 51134 |
28.15 |
| 2026-10-03 00:00 |
10:25:07.14 |
+28:05:40.5 |
HIP 51134 |
27.60 |
| 2026-10-03 12:00 |
10:25:10.93 |
+28:05:28.5 |
HIP 51134 |
27.06 |
| 2026-10-04 00:00 |
10:25:14.70 |
+28:05:16.7 |
HIP 51134 |
26.55 |
| 2026-10-04 12:00 |
10:25:18.44 |
+28:05:05.2 |
HIP 51134 |
26.05 |
| 2026-10-05 00:00 |
10:25:22.16 |
+28:04:54.0 |
HIP 51134 |
25.58 |
| 2026-10-05 12:00 |
10:25:25.86 |
+28:04:43.1 |
HIP 51134 |
25.12 |
| 2026-10-06 00:00 |
10:25:29.53 |
+28:04:32.4 |
HIP 51134 |
24.68 |
| 2026-10-06 12:00 |
10:25:33.17 |
+28:04:22.0 |
HIP 51134 |
24.27 |
| 2026-10-07 00:00 |
10:25:36.79 |
+28:04:11.8 |
HIP 51134 |
23.87 |
| 2026-10-07 12:00 |
10:25:40.38 |
+28:04:02.0 |
HIP 51134 |
23.50 |
| 2026-10-08 00:00 |
10:25:43.94 |
+28:03:52.4 |
HIP 51134 |
23.15 |
| 2026-10-08 12:00 |
10:25:47.48 |
+28:03:43.1 |
HIP 51134 |
22.82 |
| 2026-10-09 00:00 |
10:25:51.00 |
+28:03:34.0 |
HIP 51134 |
22.52 |
| 2026-10-09 12:00 |
10:25:54.48 |
+28:03:25.2 |
HIP 51134 |
22.23 |
| 2026-10-10 00:00 |
10:25:57.94 |
+28:03:16.8 |
HIP 51134 |
21.97 |
| 2026-10-10 12:00 |
10:26:01.37 |
+28:03:08.5 |
HIP 51134 |
21.74 |
| 2026-10-11 00:00 |
10:26:04.77 |
+28:03:00.6 |
HIP 51134 |
21.52 |