| 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) |
| 2026-07-29 00:00 |
10:15:12.63 |
+29:03:45.2 |
HIP 50303 |
20.09 |
| 2026-07-29 12:00 |
10:15:16.96 |
+29:03:08.7 |
HIP 50303 |
19.94 |
| 2026-07-30 00:00 |
10:15:21.30 |
+29:02:32.2 |
HIP 50303 |
19.85 |
| 2026-07-30 12:00 |
10:15:25.66 |
+29:01:55.9 |
HIP 50303 |
19.81 |
| 2026-07-31 00:00 |
10:15:30.03 |
+29:01:19.6 |
HIP 50303 |
19.84 |
| 2026-07-31 12:00 |
10:15:34.42 |
+29:00:43.4 |
HIP 50303 |
19.93 |
| 2026-08-01 00:00 |
10:15:38.83 |
+29:00:07.4 |
HIP 50303 |
20.08 |
| 2026-08-01 12:00 |
10:15:43.25 |
+28:59:31.4 |
HIP 50303 |
20.29 |
| 2026-08-02 00:00 |
10:15:47.68 |
+28:58:55.5 |
HIP 50316 |
20.03 |
| 2026-08-02 12:00 |
10:15:52.12 |
+28:58:19.7 |
HIP 50316 |
19.07 |
| 2026-08-03 00:00 |
10:15:56.58 |
+28:57:44.0 |
HIP 50316 |
18.14 |
| 2026-08-03 12:00 |
10:16:01.06 |
+28:57:08.4 |
HIP 50316 |
17.23 |
| 2026-08-04 00:00 |
10:16:05.54 |
+28:56:32.9 |
HIP 50316 |
16.35 |
| 2026-08-04 12:00 |
10:16:10.04 |
+28:55:57.5 |
HIP 50316 |
15.51 |
| 2026-08-05 00:00 |
10:16:14.55 |
+28:55:22.2 |
HIP 50316 |
14.71 |
| 2026-08-05 12:00 |
10:16:19.07 |
+28:54:47.0 |
HIP 50316 |
13.96 |
| 2026-08-06 00:00 |
10:16:23.61 |
+28:54:11.9 |
HIP 50316 |
13.27 |
| 2026-08-06 12:00 |
10:16:28.15 |
+28:53:37.0 |
HIP 50316 |
12.65 |
| 2026-08-07 00:00 |
10:16:32.71 |
+28:53:02.1 |
HIP 50316 |
12.11 |
| 2026-08-07 12:00 |
10:16:37.28 |
+28:52:27.4 |
HIP 50316 |
11.67 |
| 2026-08-08 00:00 |
10:16:41.86 |
+28:51:52.7 |
HIP 50316 |
11.32 |
| 2026-08-08 12:00 |
10:16:46.45 |
+28:51:18.2 |
HIP 50316 |
11.09 |
| 2026-08-09 00:00 |
10:16:51.05 |
+28:50:43.8 |
HIP 50316 |
10.98 |
| 2026-08-09 12:00 |
10:16:55.66 |
+28:50:09.5 |
HIP 50316 |
11.00 |
| 2026-08-10 00:00 |
10:17:00.27 |
+28:49:35.4 |
HIP 50316 |
11.14 |
| 2026-08-10 12:00 |
10:17:04.90 |
+28:49:01.4 |
HIP 50316 |
11.40 |
| 2026-08-11 00:00 |
10:17:09.54 |
+28:48:27.5 |
HIP 50316 |
11.77 |
| 2026-08-11 12:00 |
10:17:14.18 |
+28:47:53.7 |
HIP 50316 |
12.25 |
| 2026-08-12 00:00 |
10:17:18.84 |
+28:47:20.0 |
HIP 50316 |
12.81 |
| 2026-08-12 12:00 |
10:17:23.50 |
+28:46:46.5 |
HIP 50316 |
13.46 |
| 2026-08-13 00:00 |
10:17:28.17 |
+28:46:13.1 |
HIP 50316 |
14.17 |
| 2026-08-13 12:00 |
10:17:32.84 |
+28:45:39.9 |
HIP 50316 |
14.95 |
| 2026-08-14 00:00 |
10:17:37.52 |
+28:45:06.8 |
HIP 50316 |
15.77 |
| 2026-08-14 12:00 |
10:17:42.21 |
+28:44:33.8 |
HIP 50316 |
16.64 |
| 2026-08-15 00:00 |
10:17:46.91 |
+28:44:01.0 |
HIP 50316 |
17.54 |
| 2026-08-15 12:00 |
10:17:51.61 |
+28:43:28.3 |
HIP 50316 |
18.48 |
| 2026-08-16 00:00 |
10:17:56.31 |
+28:42:55.8 |
HIP 50316 |
19.44 |
| 2026-08-16 12:00 |
10:18:01.03 |
+28:42:23.4 |
HIP 50316 |
20.42 |
| 2026-08-17 00:00 |
10:18:05.74 |
+28:41:51.1 |
HIP 50316 |
21.43 |
| 2026-08-17 12:00 |
10:18:10.46 |
+28:41:19.0 |
HIP 50316 |
22.45 |
| 2026-08-18 00:00 |
10:18:15.19 |
+28:40:47.1 |
HIP 50316 |
23.48 |
| 2026-08-18 12:00 |
10:18:19.92 |
+28:40:15.3 |
HIP 50316 |
24.53 |
| 2026-08-19 00:00 |
10:18:24.65 |
+28:39:43.6 |
HIP 50585 |
25.26 |