메타데이터
| 항목 |
값 |
| Designation |
306P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2009-01-30T00:58:11.510400Z |
| Orbit solution date (soln_date, UTC) |
2025-12-02T15:12:53Z |
| Obs used |
406 |
| NEO |
Yes |
| M1 |
19.600 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2008-10-05.0000000 |
| e |
0.59853445 |
| q (au) |
1.246686 |
| a (au) |
3.105339 |
| i (deg) |
8.365199 |
| Ω (om, deg) |
341.493020 |
| ω (w, deg) |
0.694801 |
| M (ma, deg) |
338.919716 |
밝기
산란 + 전체 선형
$$
M_a = (20.000 + 2.741\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
20.000 |
| n |
2.741 |
| gf |
1.000 |
| gb |
-0.581 |
| k |
0.800 |
| 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
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-05-12 00:00 |
06:05:42.16 |
+29:05:07.0 |
HIP 28846 |
5.42 |
| 2026-05-12 12:00 |
06:06:30.40 |
+29:04:20.3 |
HIP 28922 |
3.28 |
| 2026-05-13 00:00 |
06:07:18.61 |
+29:03:32.9 |
HIP 28922 |
13.65 |
| 2026-05-13 12:00 |
06:08:06.80 |
+29:02:44.9 |
HIP 29224 |
24.06 |
| 2026-05-14 00:00 |
06:08:54.98 |
+29:01:56.3 |
HIP 29224 |
16.28 |
| 2026-05-14 12:00 |
06:09:43.14 |
+29:01:07.1 |
HIP 29224 |
13.19 |
| 2026-05-15 00:00 |
06:10:31.27 |
+29:00:17.3 |
HIP 29352 |
11.19 |
| 2026-05-15 12:00 |
06:11:19.39 |
+28:59:26.9 |
HIP 29352 |
5.09 |
| 2026-05-16 00:00 |
06:12:07.48 |
+28:58:35.8 |
HIP 29352 |
12.22 |
| 2026-05-16 12:00 |
06:12:55.56 |
+28:57:44.1 |
HIP 29352 |
22.26 |
| 2026-05-17 00:00 |
06:13:43.60 |
+28:56:51.8 |
HIP 29675 |
18.11 |
| 2026-05-17 12:00 |
06:14:31.63 |
+28:55:58.9 |
HIP 29675 |
7.59 |
| 2026-05-18 00:00 |
06:15:19.63 |
+28:55:05.4 |
HIP 29675 |
3.10 |
| 2026-05-18 12:00 |
06:16:07.61 |
+28:54:11.2 |
HIP 29793 |
4.43 |
| 2026-05-19 00:00 |
06:16:55.56 |
+28:53:16.5 |
HIP 29793 |
7.61 |
| 2026-05-19 12:00 |
06:17:43.49 |
+28:52:21.1 |
HIP 29793 |
17.84 |
| 2026-05-20 00:00 |
06:18:31.39 |
+28:51:25.1 |
HIP 29902 |
23.95 |
| 2026-05-20 12:00 |
06:19:19.26 |
+28:50:28.5 |
HIP 30137 |
18.40 |
| 2026-05-21 00:00 |
06:20:07.10 |
+28:49:31.2 |
HIP 30137 |
9.88 |
| 2026-05-21 12:00 |
06:20:54.91 |
+28:48:33.4 |
HIP 30137 |
8.83 |
| 2026-05-22 00:00 |
06:21:42.70 |
+28:47:34.9 |
HIP 30137 |
16.72 |
| 2026-05-22 12:00 |
06:22:30.45 |
+28:46:35.9 |
HIP 30348 |
11.37 |
| 2026-05-23 00:00 |
06:23:18.17 |
+28:45:36.2 |
HIP 30388 |
1.09 |
| 2026-05-23 12:00 |
06:24:05.87 |
+28:44:35.9 |
HIP 30388 |
9.42 |
| 2026-05-24 00:00 |
06:24:53.53 |
+28:43:34.9 |
HIP 30388 |
19.92 |
| 2026-05-24 12:00 |
06:25:41.15 |
+28:42:33.4 |
HIP 30388 |
30.41 |
| 2026-05-25 00:00 |
06:26:28.75 |
+28:41:31.3 |
HIP 30779 |
38.88 |
| 2026-05-25 12:00 |
06:27:16.31 |
+28:40:28.5 |
HIP 30943 |
32.03 |
| 2026-05-26 00:00 |
06:28:03.83 |
+28:39:25.2 |
HIP 30943 |
22.25 |
| 2026-05-26 12:00 |
06:28:51.32 |
+28:38:21.2 |
HIP 30943 |
13.55 |
| 2026-05-27 00:00 |
06:29:38.78 |
+28:37:16.6 |
HIP 30943 |
9.57 |
| 2026-05-27 12:00 |
06:30:26.20 |
+28:36:11.4 |
HIP 30943 |
14.78 |
| 2026-05-28 00:00 |
06:31:13.59 |
+28:35:05.6 |
HIP 30987 |
22.67 |
| 2026-05-28 12:00 |
06:32:00.93 |
+28:33:59.2 |
HIP 31219 |
18.41 |
| 2026-05-29 00:00 |
06:32:48.25 |
+28:32:52.2 |
HIP 31219 |
12.93 |
| 2026-05-29 12:00 |
06:33:35.52 |
+28:31:44.6 |
HIP 31219 |
14.63 |
| 2026-05-30 00:00 |
06:34:22.76 |
+28:30:36.4 |
HIP 31444 |
12.29 |
| 2026-05-30 12:00 |
06:35:09.97 |
+28:29:27.6 |
HIP 31444 |
3.15 |
| 2026-05-31 00:00 |
06:35:57.13 |
+28:28:18.2 |
HIP 31444 |
9.30 |
| 2026-05-31 12:00 |
06:36:44.26 |
+28:27:08.1 |
HIP 31444 |
19.50 |
| 2026-06-01 00:00 |
06:37:31.34 |
+28:25:57.5 |
HIP 31767 |
20.61 |
| 2026-06-01 12:00 |
06:38:18.39 |
+28:24:46.3 |
HIP 31767 |
16.21 |
| 2026-06-02 00:00 |
06:39:05.40 |
+28:23:34.5 |
HIP 31856 |
6.66 |