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 |
0.998 |
| 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) |
| 2026-09-20 00:00 |
00:33:05.29 |
+10:55:30.5 |
HIP 2671 |
14.25 |
| 2026-09-20 12:00 |
00:32:47.23 |
+10:54:22.7 |
HIP 2671 |
18.54 |
| 2026-09-21 00:00 |
00:32:29.10 |
+10:53:14.1 |
HIP 2671 |
22.96 |
| 2026-09-21 12:00 |
00:32:10.92 |
+10:52:04.7 |
HIP 2559 |
23.42 |
| 2026-09-22 00:00 |
00:31:52.68 |
+10:50:54.4 |
HIP 2559 |
23.69 |
| 2026-09-22 12:00 |
00:31:34.38 |
+10:49:43.3 |
HIP 2559 |
24.83 |
| 2026-09-23 00:00 |
00:31:16.04 |
+10:48:31.5 |
HIP 2559 |
26.75 |
| 2026-09-23 12:00 |
00:30:57.65 |
+10:47:18.8 |
HIP 2559 |
29.29 |
| 2026-09-24 00:00 |
00:30:39.21 |
+10:46:05.3 |
HIP 2315 |
28.20 |
| 2026-09-24 12:00 |
00:30:20.74 |
+10:44:51.1 |
HIP 2315 |
24.71 |
| 2026-09-25 00:00 |
00:30:02.22 |
+10:43:36.2 |
HIP 2315 |
21.68 |
| 2026-09-25 12:00 |
00:29:43.67 |
+10:42:20.5 |
HIP 2315 |
19.32 |
| 2026-09-26 00:00 |
00:29:25.08 |
+10:41:04.1 |
HIP 2315 |
17.92 |
| 2026-09-26 12:00 |
00:29:06.46 |
+10:39:47.0 |
HIP 2315 |
17.71 |
| 2026-09-27 00:00 |
00:28:47.81 |
+10:38:29.2 |
HIP 2315 |
18.73 |
| 2026-09-27 12:00 |
00:28:29.14 |
+10:37:10.7 |
HIP 2315 |
20.82 |
| 2026-09-28 00:00 |
00:28:10.45 |
+10:35:51.5 |
HIP 2315 |
23.70 |
| 2026-09-28 12:00 |
00:27:51.73 |
+10:34:31.7 |
HIP 2235 |
24.13 |
| 2026-09-29 00:00 |
00:27:33.00 |
+10:33:11.3 |
HIP 2235 |
24.65 |
| 2026-09-29 12:00 |
00:27:14.25 |
+10:31:50.2 |
HIP 2035 |
21.74 |
| 2026-09-30 00:00 |
00:26:55.49 |
+10:30:28.5 |
HIP 2035 |
16.93 |
| 2026-09-30 12:00 |
00:26:36.72 |
+10:29:06.2 |
HIP 2035 |
12.12 |
| 2026-10-01 00:00 |
00:26:17.94 |
+10:27:43.4 |
HIP 2035 |
7.30 |
| 2026-10-01 12:00 |
00:25:59.16 |
+10:26:19.9 |
HIP 2035 |
2.49 |
| 2026-10-02 00:00 |
00:25:40.38 |
+10:24:55.9 |
HIP 2035 |
2.36 |
| 2026-10-02 12:00 |
00:25:21.60 |
+10:23:31.4 |
HIP 2035 |
7.18 |
| 2026-10-03 00:00 |
00:25:02.83 |
+10:22:06.4 |
HIP 2035 |
12.01 |
| 2026-10-03 12:00 |
00:24:44.06 |
+10:20:40.8 |
HIP 2035 |
16.84 |
| 2026-10-04 00:00 |
00:24:25.31 |
+10:19:14.8 |
HIP 2035 |
21.67 |
| 2026-10-04 12:00 |
00:24:06.56 |
+10:17:48.3 |
HIP 1810 |
17.31 |
| 2026-10-05 00:00 |
00:23:47.84 |
+10:16:21.3 |
HIP 1810 |
12.52 |
| 2026-10-05 12:00 |
00:23:29.13 |
+10:14:53.9 |
HIP 1810 |
7.79 |
| 2026-10-06 00:00 |
00:23:10.45 |
+10:13:26.1 |
HIP 1810 |
3.35 |
| 2026-10-06 12:00 |
00:22:51.79 |
+10:11:57.9 |
HIP 1810 |
2.89 |
| 2026-10-07 00:00 |
00:22:33.16 |
+10:10:29.3 |
HIP 1810 |
7.20 |
| 2026-10-07 12:00 |
00:22:14.57 |
+10:09:00.3 |
HIP 1810 |
11.91 |
| 2026-10-08 00:00 |
00:21:56.00 |
+10:07:31.0 |
HIP 1810 |
16.66 |
| 2026-10-08 12:00 |
00:21:37.48 |
+10:06:01.4 |
HIP 1635 |
19.47 |
| 2026-10-09 00:00 |
00:21:18.99 |
+10:04:31.5 |
HIP 1635 |
14.82 |
| 2026-10-09 12:00 |
00:21:00.55 |
+10:03:01.2 |
HIP 1635 |
10.29 |
| 2026-10-10 00:00 |
00:20:42.16 |
+10:01:30.7 |
HIP 1635 |
6.17 |
| 2026-10-10 12:00 |
00:20:23.82 |
+10:00:00.0 |
HIP 1635 |
3.96 |
| 2026-10-11 00:00 |
00:20:05.52 |
+09:58:29.0 |
HIP 1635 |
6.20 |