메타데이터
| 항목 |
값 |
| 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 궤도요소
| 항목 |
값 |
| 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 |
밝기
산란 + 전체 선형
$$
M_a = (13.817 + 5.612\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
13.817 |
| n |
5.612 |
| gf |
1.000 |
| gb |
-0.500 |
| k |
1.000 |
| δ90 |
10.000 |
| 파라미터 |
기호 |
범위 |
설명 |
| 태양·지구거리 1 AU에서의 절대등급 |
H0 |
-5 to 20 |
혜성의 고유 밝기 |
| 광도 기울기 파라미터 |
n |
2 to 6 |
태양거리 변화에 따른 밝기 변화율 |
| 전방 산란 비대칭 계수 |
gf |
0.8 to 1 |
전방 산란의 강도 |
| 후방 산란 비대칭 계수 |
gb |
-1 to -0.5 |
후방 산란의 강도 |
| 분할 계수 |
k |
0.8 to 1 |
전·후방 산란 기여도 비율 |
| 먼지/가스 밝기 비 |
δ90 |
1 to 10 |
코마에서 먼지 산란 대비 가스 방출의 상대 기여 |
참고: EPSC-DPS2025-160
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-03-26 00:00 |
23:56:10.00 |
+02:17:10.2 |
HIP 118030 |
22.65 |
| 2026-03-26 12:00 |
23:56:31.54 |
+02:19:55.3 |
HIP 118030 |
24.81 |
| 2026-03-27 00:00 |
23:56:53.07 |
+02:22:40.5 |
HIP 118030 |
28.12 |
| 2026-03-27 12:00 |
23:57:14.59 |
+02:25:25.7 |
HIP 118030 |
32.24 |
| 2026-03-28 00:00 |
23:57:36.09 |
+02:28:10.8 |
HIP 118221 |
28.26 |
| 2026-03-28 12:00 |
23:57:57.59 |
+02:30:56.0 |
HIP 118221 |
22.83 |
| 2026-03-29 00:00 |
23:58:19.07 |
+02:33:41.2 |
HIP 118221 |
17.78 |
| 2026-03-29 12:00 |
23:58:40.53 |
+02:36:26.4 |
HIP 118221 |
13.56 |
| 2026-03-30 00:00 |
23:59:01.98 |
+02:39:11.6 |
HIP 118221 |
11.14 |
| 2026-03-30 12:00 |
23:59:23.42 |
+02:41:56.7 |
HIP 118221 |
11.70 |
| 2026-03-31 00:00 |
23:59:44.84 |
+02:44:41.9 |
HIP 31 |
10.53 |
| 2026-03-31 12:00 |
00:00:06.24 |
+02:47:27.0 |
HIP 31 |
8.16 |
| 2026-04-01 00:00 |
00:00:27.63 |
+02:50:12.1 |
HIP 31 |
9.73 |
| 2026-04-01 12:00 |
00:00:49.00 |
+02:52:57.2 |
HIP 31 |
13.96 |
| 2026-04-02 00:00 |
00:01:10.36 |
+02:55:42.3 |
HIP 31 |
19.16 |
| 2026-04-02 12:00 |
00:01:31.69 |
+02:58:27.4 |
HIP 31 |
24.72 |
| 2026-04-03 00:00 |
00:01:53.01 |
+03:01:12.4 |
HIP 239 |
27.16 |
| 2026-04-03 12:00 |
00:02:14.31 |
+03:03:57.4 |
HIP 239 |
21.92 |
| 2026-04-04 00:00 |
00:02:35.59 |
+03:06:42.3 |
HIP 239 |
17.18 |
| 2026-04-04 12:00 |
00:02:56.84 |
+03:09:27.2 |
HIP 239 |
13.47 |
| 2026-04-05 00:00 |
00:03:18.08 |
+03:12:12.1 |
HIP 239 |
11.79 |
| 2026-04-05 12:00 |
00:03:39.30 |
+03:14:56.9 |
HIP 239 |
12.96 |
| 2026-04-06 00:00 |
00:04:00.49 |
+03:17:41.7 |
HIP 239 |
16.36 |
| 2026-04-06 12:00 |
00:04:21.66 |
+03:20:26.4 |
HIP 239 |
20.94 |
| 2026-04-07 00:00 |
00:04:42.81 |
+03:23:11.0 |
HIP 448 |
16.45 |
| 2026-04-07 12:00 |
00:05:03.94 |
+03:25:55.6 |
HIP 448 |
11.40 |
| 2026-04-08 00:00 |
00:05:25.04 |
+03:28:40.2 |
HIP 448 |
7.73 |
| 2026-04-08 12:00 |
00:05:46.12 |
+03:31:24.6 |
HIP 448 |
7.75 |
| 2026-04-09 00:00 |
00:06:07.17 |
+03:34:09.0 |
HIP 448 |
11.42 |
| 2026-04-09 12:00 |
00:06:28.19 |
+03:36:53.3 |
HIP 448 |
16.46 |
| 2026-04-10 00:00 |
00:06:49.19 |
+03:39:37.6 |
HIP 448 |
21.94 |
| 2026-04-10 12:00 |
00:07:10.17 |
+03:42:21.7 |
HIP 675 |
24.00 |
| 2026-04-11 00:00 |
00:07:31.11 |
+03:45:05.8 |
HIP 675 |
22.58 |
| 2026-04-11 12:00 |
00:07:52.03 |
+03:47:49.8 |
HIP 675 |
22.67 |
| 2026-04-12 00:00 |
00:08:12.92 |
+03:50:33.7 |
HIP 675 |
24.23 |
| 2026-04-12 12:00 |
00:08:33.77 |
+03:53:17.5 |
HIP 806 |
26.65 |
| 2026-04-13 00:00 |
00:08:54.60 |
+03:56:01.2 |
HIP 806 |
20.92 |
| 2026-04-13 12:00 |
00:09:15.40 |
+03:58:44.8 |
HIP 806 |
15.30 |
| 2026-04-14 00:00 |
00:09:36.16 |
+04:01:28.2 |
HIP 806 |
9.97 |
| 2026-04-14 12:00 |
00:09:56.90 |
+04:04:11.6 |
HIP 806 |
5.77 |
| 2026-04-15 00:00 |
00:10:17.60 |
+04:06:54.9 |
HIP 806 |
5.95 |
| 2026-04-15 12:00 |
00:10:38.27 |
+04:09:38.0 |
HIP 900 |
7.02 |
| 2026-04-16 00:00 |
00:10:58.90 |
+04:12:21.0 |
HIP 900 |
4.68 |