메타데이터
| 항목 |
값 |
| Designation |
336P/McNaught |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2006-08-18T08:36:24.405120Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:28:30Z |
| Obs used |
164 |
| NEO |
- |
| M1 |
8.200 |
| K1 |
19.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2008-07-30.0000000 |
| e |
0.45286158 |
| q (au) |
2.633290 |
| a (au) |
4.812840 |
| i (deg) |
18.562108 |
| Ω (om, deg) |
299.239956 |
| ω (w, deg) |
313.964670 |
| M (ma, deg) |
66.429832 |
밝기
산란 + 전체 선형
$$
M_a = (12.526 + 3.855\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.526 |
| n |
3.855 |
| gf |
0.999 |
| 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) |
| 2026-06-01 00:00 |
08:14:36.06 |
+15:52:54.9 |
HIP 40410 |
13.08 |
| 2026-06-01 12:00 |
08:14:56.32 |
+15:51:25.3 |
HIP 40410 |
13.32 |
| 2026-06-02 00:00 |
08:15:16.69 |
+15:49:55.1 |
HIP 40410 |
15.36 |
| 2026-06-02 12:00 |
08:15:37.15 |
+15:48:24.4 |
HIP 40410 |
18.65 |
| 2026-06-03 00:00 |
08:15:57.72 |
+15:46:53.2 |
HIP 40410 |
22.66 |
| 2026-06-03 12:00 |
08:16:18.38 |
+15:45:21.4 |
HIP 40410 |
27.10 |
| 2026-06-04 00:00 |
08:16:39.15 |
+15:43:49.1 |
HIP 40675 |
23.15 |
| 2026-06-04 12:00 |
08:17:00.01 |
+15:42:16.2 |
HIP 40675 |
17.98 |
| 2026-06-05 00:00 |
08:17:20.97 |
+15:40:42.8 |
HIP 40675 |
12.87 |
| 2026-06-05 12:00 |
08:17:42.02 |
+15:39:08.8 |
HIP 40675 |
7.95 |
| 2026-06-06 00:00 |
08:18:03.17 |
+15:37:34.3 |
HIP 40675 |
4.12 |
| 2026-06-06 12:00 |
08:18:24.42 |
+15:35:59.2 |
HIP 40675 |
5.27 |
| 2026-06-07 00:00 |
08:18:45.76 |
+15:34:23.6 |
HIP 40675 |
9.82 |
| 2026-06-07 12:00 |
08:19:07.19 |
+15:32:47.4 |
HIP 40675 |
14.95 |
| 2026-06-08 00:00 |
08:19:28.71 |
+15:31:10.7 |
HIP 40675 |
20.25 |
| 2026-06-08 12:00 |
08:19:50.33 |
+15:29:33.4 |
HIP 40675 |
25.63 |
| 2026-06-09 00:00 |
08:20:12.04 |
+15:27:55.5 |
HIP 41015 |
29.27 |
| 2026-06-09 12:00 |
08:20:33.84 |
+15:26:17.2 |
HIP 41015 |
24.06 |
| 2026-06-10 00:00 |
08:20:55.72 |
+15:24:38.2 |
HIP 41015 |
18.99 |
| 2026-06-10 12:00 |
08:21:17.70 |
+15:22:58.7 |
HIP 41015 |
14.24 |
| 2026-06-11 00:00 |
08:21:39.77 |
+15:21:18.6 |
HIP 41015 |
10.32 |
| 2026-06-11 12:00 |
08:22:01.92 |
+15:19:38.0 |
HIP 41015 |
8.50 |
| 2026-06-12 00:00 |
08:22:24.16 |
+15:17:56.9 |
HIP 41015 |
10.04 |
| 2026-06-12 12:00 |
08:22:46.48 |
+15:16:15.1 |
HIP 41112 |
7.86 |
| 2026-06-13 00:00 |
08:23:08.89 |
+15:14:32.8 |
HIP 41112 |
3.02 |
| 2026-06-13 12:00 |
08:23:31.38 |
+15:12:50.0 |
HIP 41112 |
4.57 |
| 2026-06-14 00:00 |
08:23:53.95 |
+15:11:06.6 |
HIP 41112 |
9.89 |
| 2026-06-14 12:00 |
08:24:16.61 |
+15:09:22.6 |
HIP 41112 |
15.52 |
| 2026-06-15 00:00 |
08:24:39.35 |
+15:07:38.0 |
HIP 41112 |
21.22 |
| 2026-06-15 12:00 |
08:25:02.17 |
+15:05:53.0 |
HIP 41112 |
26.97 |
| 2026-06-16 00:00 |
08:25:25.07 |
+15:04:07.3 |
HIP 41421 |
26.21 |
| 2026-06-16 12:00 |
08:25:48.05 |
+15:02:21.1 |
HIP 41421 |
20.69 |
| 2026-06-17 00:00 |
08:26:11.10 |
+15:00:34.3 |
HIP 41421 |
15.38 |
| 2026-06-17 12:00 |
08:26:34.23 |
+14:58:47.0 |
HIP 41421 |
10.62 |
| 2026-06-18 00:00 |
08:26:57.44 |
+14:56:59.1 |
HIP 41421 |
7.60 |
| 2026-06-18 12:00 |
08:27:20.72 |
+14:55:10.6 |
HIP 41421 |
8.50 |
| 2026-06-19 00:00 |
08:27:44.08 |
+14:53:21.6 |
HIP 41421 |
12.52 |
| 2026-06-19 12:00 |
08:28:07.50 |
+14:51:32.1 |
HIP 41506 |
14.71 |
| 2026-06-20 00:00 |
08:28:31.00 |
+14:49:42.0 |
HIP 41506 |
18.40 |
| 2026-06-20 12:00 |
08:28:54.58 |
+14:47:51.3 |
HIP 41506 |
23.08 |
| 2026-06-21 00:00 |
08:29:18.22 |
+14:46:00.1 |
HIP 41506 |
28.28 |
| 2026-06-21 12:00 |
08:29:41.93 |
+14:44:08.3 |
HIP 41749 |
24.40 |
| 2026-06-22 00:00 |
08:30:05.71 |
+14:42:16.0 |
HIP 41749 |
19.43 |