메타데이터
| 항목 |
값 |
| Designation |
236P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2010-09-08T16:59:26.387520Z |
| Orbit solution date (soln_date, UTC) |
2024-08-02T01:42:28Z |
| Obs used |
855 |
| NEO |
- |
| M1 |
15.800 |
| K1 |
8.000 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2012-02-08.0000000 |
| e |
0.50861051 |
| q (au) |
1.831984 |
| a (au) |
3.728170 |
| i (deg) |
16.333956 |
| Ω (om, deg) |
245.660604 |
| ω (w, deg) |
119.340798 |
| M (ma, deg) |
70.826590 |
밝기
산란 + 전체 선형
$$
M_a = (11.259 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.259 |
| n |
6.000 |
| gf |
0.952 |
| gb |
-1.000 |
| k |
1.000 |
| δ90 |
8.227 |
| 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) |
| 2026-07-29 00:00 |
08:48:21.70 |
+04:59:31.2 |
HIP 43047 |
36.72 |
| 2026-07-29 12:00 |
08:48:52.39 |
+04:57:10.8 |
HIP 43211 |
38.30 |
| 2026-07-30 00:00 |
08:49:23.05 |
+04:54:49.8 |
HIP 43516 |
35.89 |
| 2026-07-30 12:00 |
08:49:53.69 |
+04:52:28.2 |
HIP 43516 |
28.50 |
| 2026-07-31 00:00 |
08:50:24.30 |
+04:50:06.0 |
HIP 43516 |
21.55 |
| 2026-07-31 12:00 |
08:50:54.88 |
+04:47:43.2 |
HIP 43516 |
15.64 |
| 2026-08-01 00:00 |
08:51:25.43 |
+04:45:19.8 |
HIP 43516 |
12.35 |
| 2026-08-01 12:00 |
08:51:55.96 |
+04:42:55.8 |
HIP 43516 |
13.70 |
| 2026-08-02 00:00 |
08:52:26.46 |
+04:40:31.2 |
HIP 43539 |
13.80 |
| 2026-08-02 12:00 |
08:52:56.93 |
+04:38:06.0 |
HIP 43539 |
16.75 |
| 2026-08-03 00:00 |
08:53:27.37 |
+04:35:40.2 |
HIP 43539 |
22.30 |
| 2026-08-03 12:00 |
08:53:57.78 |
+04:33:13.9 |
HIP 43819 |
27.99 |
| 2026-08-04 00:00 |
08:54:28.16 |
+04:30:46.9 |
HIP 43773 |
23.18 |
| 2026-08-04 12:00 |
08:54:58.51 |
+04:28:19.4 |
HIP 43773 |
19.49 |
| 2026-08-05 00:00 |
08:55:28.83 |
+04:25:51.3 |
HIP 43773 |
18.68 |
| 2026-08-05 12:00 |
08:55:59.12 |
+04:23:22.7 |
HIP 43902 |
13.18 |
| 2026-08-06 00:00 |
08:56:29.37 |
+04:20:53.4 |
HIP 43902 |
6.96 |
| 2026-08-06 12:00 |
08:56:59.60 |
+04:18:23.6 |
HIP 43902 |
7.02 |
| 2026-08-07 00:00 |
08:57:29.79 |
+04:15:53.3 |
HIP 43988 |
10.03 |
| 2026-08-07 12:00 |
08:57:59.94 |
+04:13:22.3 |
HIP 43988 |
14.78 |
| 2026-08-08 00:00 |
08:58:30.06 |
+04:10:50.8 |
HIP 43988 |
21.50 |
| 2026-08-08 12:00 |
08:59:00.15 |
+04:08:18.8 |
HIP 43988 |
28.83 |
| 2026-08-09 00:00 |
08:59:30.20 |
+04:05:46.2 |
HIP 44287 |
26.97 |
| 2026-08-09 12:00 |
09:00:00.22 |
+04:03:13.0 |
HIP 44287 |
19.09 |
| 2026-08-10 00:00 |
09:00:30.20 |
+04:00:39.3 |
HIP 44287 |
11.23 |
| 2026-08-10 12:00 |
09:01:00.14 |
+03:58:05.0 |
HIP 44287 |
3.61 |
| 2026-08-11 00:00 |
09:01:30.05 |
+03:55:30.2 |
HIP 44287 |
4.95 |
| 2026-08-11 12:00 |
09:01:59.91 |
+03:52:54.9 |
HIP 44287 |
12.66 |
| 2026-08-12 00:00 |
09:02:29.74 |
+03:50:19.1 |
HIP 44287 |
20.50 |
| 2026-08-12 12:00 |
09:02:59.53 |
+03:47:42.7 |
HIP 44287 |
28.36 |
| 2026-08-13 00:00 |
09:03:29.27 |
+03:45:05.7 |
HIP 44552 |
21.64 |
| 2026-08-13 12:00 |
09:03:58.98 |
+03:42:28.3 |
HIP 44552 |
14.26 |
| 2026-08-14 00:00 |
09:04:28.65 |
+03:39:50.4 |
HIP 44552 |
7.87 |
| 2026-08-14 12:00 |
09:04:58.27 |
+03:37:11.9 |
HIP 44552 |
6.62 |
| 2026-08-15 00:00 |
09:05:27.85 |
+03:34:32.9 |
HIP 44552 |
12.19 |
| 2026-08-15 12:00 |
09:05:57.39 |
+03:31:53.5 |
HIP 44552 |
19.39 |
| 2026-08-16 00:00 |
09:06:26.88 |
+03:29:13.5 |
HIP 44703 |
22.41 |
| 2026-08-16 12:00 |
09:06:56.33 |
+03:26:33.1 |
HIP 44703 |
25.76 |
| 2026-08-17 00:00 |
09:07:25.73 |
+03:23:52.1 |
HIP 44703 |
30.78 |
| 2026-08-17 12:00 |
09:07:55.09 |
+03:21:10.7 |
HIP 44958 |
34.41 |
| 2026-08-18 00:00 |
09:08:24.40 |
+03:18:28.8 |
HIP 44958 |
27.58 |
| 2026-08-18 12:00 |
09:08:53.66 |
+03:15:46.4 |
HIP 44958 |
21.43 |
| 2026-08-19 00:00 |
09:09:22.88 |
+03:13:03.5 |
HIP 44958 |
16.70 |