| Parameter |
Value |
| Designation |
214P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2002-03-01T01:06:46.031040Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:27:56Z |
| Obs used |
131 |
| NEO |
- |
| M1 |
12.100 |
| K1 |
22.750 |
| PC |
0.030 |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2003-05-31.0000000 |
| e |
0.48955169 |
| q (au) |
1.839837 |
| a (au) |
3.604356 |
| i (deg) |
15.226039 |
| Ω (om, deg) |
348.307428 |
| ω (w, deg) |
190.158967 |
| M (ma, deg) |
65.672462 |
Magnitude
Scatter + Global Linear
$$
M_a = (13.817 + 5.612\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
13.817 |
| n |
5.612 |
| gf |
0.998 |
| 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 |
00:38:43.90 |
+08:04:51.8 |
HIP 3069 |
10.51 |
| 2026-06-01 12:00 |
00:38:58.47 |
+08:07:06.6 |
HIP 3069 |
12.21 |
| 2026-06-02 00:00 |
00:39:12.95 |
+08:09:21.1 |
HIP 3069 |
14.95 |
| 2026-06-02 12:00 |
00:39:27.33 |
+08:11:35.0 |
HIP 3069 |
18.25 |
| 2026-06-03 00:00 |
00:39:41.62 |
+08:13:48.4 |
HIP 3069 |
21.84 |
| 2026-06-03 12:00 |
00:39:55.80 |
+08:16:01.4 |
HIP 3069 |
25.59 |
| 2026-06-04 00:00 |
00:40:09.88 |
+08:18:13.8 |
HIP 3069 |
29.42 |
| 2026-06-04 12:00 |
00:40:23.86 |
+08:20:25.8 |
HIP 3161 |
33.22 |
| 2026-06-05 00:00 |
00:40:37.74 |
+08:22:37.3 |
HIP 3017 |
35.70 |
| 2026-06-05 12:00 |
00:40:51.51 |
+08:24:48.2 |
HIP 3364 |
34.21 |
| 2026-06-06 00:00 |
00:41:05.18 |
+08:26:58.7 |
HIP 3364 |
30.19 |
| 2026-06-06 12:00 |
00:41:18.75 |
+08:29:08.6 |
HIP 3364 |
26.20 |
| 2026-06-07 00:00 |
00:41:32.20 |
+08:31:18.1 |
HIP 3364 |
22.23 |
| 2026-06-07 12:00 |
00:41:45.56 |
+08:33:27.0 |
HIP 3364 |
18.30 |
| 2026-06-08 00:00 |
00:41:58.80 |
+08:35:35.3 |
HIP 3364 |
14.39 |
| 2026-06-08 12:00 |
00:42:11.94 |
+08:37:43.2 |
HIP 3364 |
10.51 |
| 2026-06-09 00:00 |
00:42:24.97 |
+08:39:50.5 |
HIP 3364 |
6.67 |
| 2026-06-09 12:00 |
00:42:37.88 |
+08:41:57.2 |
HIP 3364 |
2.89 |
| 2026-06-10 00:00 |
00:42:50.69 |
+08:44:03.5 |
HIP 3364 |
1.24 |
| 2026-06-10 12:00 |
00:43:03.38 |
+08:46:09.1 |
HIP 3364 |
4.83 |
| 2026-06-11 00:00 |
00:43:15.97 |
+08:48:14.2 |
HIP 3364 |
8.55 |
| 2026-06-11 12:00 |
00:43:28.43 |
+08:50:18.8 |
HIP 3364 |
12.26 |
| 2026-06-12 00:00 |
00:43:40.79 |
+08:52:22.8 |
HIP 3384 |
13.09 |
| 2026-06-12 12:00 |
00:43:53.03 |
+08:54:26.2 |
HIP 3384 |
14.41 |
| 2026-06-13 00:00 |
00:44:05.15 |
+08:56:29.0 |
HIP 3384 |
16.43 |
| 2026-06-13 12:00 |
00:44:17.15 |
+08:58:31.3 |
HIP 3384 |
18.90 |
| 2026-06-14 00:00 |
00:44:29.03 |
+09:00:32.9 |
HIP 3384 |
21.66 |
| 2026-06-14 12:00 |
00:44:40.80 |
+09:02:34.0 |
HIP 3384 |
24.60 |
| 2026-06-15 00:00 |
00:44:52.45 |
+09:04:34.5 |
HIP 3384 |
27.64 |
| 2026-06-15 12:00 |
00:45:03.97 |
+09:06:34.3 |
HIP 3384 |
30.76 |
| 2026-06-16 00:00 |
00:45:15.37 |
+09:08:33.6 |
HIP 3384 |
33.91 |
| 2026-06-16 12:00 |
00:45:26.65 |
+09:10:32.2 |
HIP 3384 |
37.08 |
| 2026-06-17 00:00 |
00:45:37.81 |
+09:12:30.3 |
HIP 3753 |
37.77 |
| 2026-06-17 12:00 |
00:45:48.84 |
+09:14:27.7 |
HIP 3753 |
35.05 |
| 2026-06-18 00:00 |
00:45:59.74 |
+09:16:24.5 |
HIP 3753 |
32.49 |
| 2026-06-18 12:00 |
00:46:10.52 |
+09:18:20.6 |
HIP 3753 |
30.11 |
| 2026-06-19 00:00 |
00:46:21.18 |
+09:20:16.1 |
HIP 3753 |
27.93 |
| 2026-06-19 12:00 |
00:46:31.70 |
+09:22:11.0 |
HIP 3753 |
26.02 |
| 2026-06-20 00:00 |
00:46:42.10 |
+09:24:05.3 |
HIP 3753 |
24.40 |
| 2026-06-20 12:00 |
00:46:52.37 |
+09:25:58.8 |
HIP 3753 |
23.14 |
| 2026-06-21 00:00 |
00:47:02.51 |
+09:27:51.8 |
HIP 3753 |
22.27 |
| 2026-06-21 12:00 |
00:47:12.51 |
+09:29:44.1 |
HIP 3753 |
21.84 |
| 2026-06-22 00:00 |
00:47:22.39 |
+09:31:35.7 |
HIP 3753 |
21.85 |