메타데이터
| 항목 |
값 |
| Designation |
476P/PANSTARRS |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2024-11-06T11:32:30.192000Z |
| Orbit solution date (soln_date, UTC) |
2025-04-11T14:45:20Z |
| Obs used |
97 |
| NEO |
- |
| M1 |
16.400 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2023-11-19T03:35:47.472000Z |
| Discovery magnitude (MPC) |
20.40 G |
| Discovery observatory (MPC) |
W62 · Comet Hunter Observatory2, New Ringgold |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2019-12-05.0000000 |
| e |
0.34832867 |
| q (au) |
3.099035 |
| a (au) |
4.755519 |
| i (deg) |
18.863111 |
| Ω (om, deg) |
59.248376 |
| ω (w, deg) |
47.238057 |
| M (ma, deg) |
189.072051 |
밝기
산란 + 전체 선형
$$
M_a = (19.885 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
19.885 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.813 |
| 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) |
| 2026-06-01 00:00 |
12:53:35.27 |
+08:38:08.0 |
HIP 62879 |
9.44 |
| 2026-06-01 12:00 |
12:53:31.64 |
+08:35:56.4 |
HIP 62879 |
10.89 |
| 2026-06-02 00:00 |
12:53:28.22 |
+08:33:43.7 |
HIP 62879 |
12.66 |
| 2026-06-02 12:00 |
12:53:25.01 |
+08:31:29.8 |
HIP 62879 |
14.62 |
| 2026-06-03 00:00 |
12:53:22.02 |
+08:29:14.8 |
HIP 62994 |
16.61 |
| 2026-06-03 12:00 |
12:53:19.24 |
+08:26:58.6 |
HIP 62994 |
17.57 |
| 2026-06-04 00:00 |
12:53:16.67 |
+08:24:41.3 |
HIP 62994 |
18.74 |
| 2026-06-04 12:00 |
12:53:14.32 |
+08:22:22.8 |
HIP 62994 |
20.08 |
| 2026-06-05 00:00 |
12:53:12.17 |
+08:20:03.2 |
HIP 62994 |
21.57 |
| 2026-06-05 12:00 |
12:53:10.24 |
+08:17:42.5 |
HIP 62994 |
23.17 |
| 2026-06-06 00:00 |
12:53:08.52 |
+08:15:20.7 |
HIP 62994 |
24.87 |
| 2026-06-06 12:00 |
12:53:07.01 |
+08:12:57.8 |
HIP 62784 |
25.76 |
| 2026-06-07 00:00 |
12:53:05.71 |
+08:10:33.9 |
HIP 62784 |
23.84 |
| 2026-06-07 12:00 |
12:53:04.63 |
+08:08:08.8 |
HIP 62784 |
22.05 |
| 2026-06-08 00:00 |
12:53:03.75 |
+08:05:42.8 |
HIP 62784 |
20.43 |
| 2026-06-08 12:00 |
12:53:03.08 |
+08:03:15.6 |
HIP 62784 |
19.01 |
| 2026-06-09 00:00 |
12:53:02.62 |
+08:00:47.4 |
HIP 62784 |
17.87 |
| 2026-06-09 12:00 |
12:53:02.37 |
+07:58:18.2 |
HIP 62784 |
17.07 |
| 2026-06-10 00:00 |
12:53:02.32 |
+07:55:48.0 |
HIP 62784 |
16.64 |
| 2026-06-10 12:00 |
12:53:02.49 |
+07:53:16.7 |
HIP 62784 |
16.65 |
| 2026-06-11 00:00 |
12:53:02.86 |
+07:50:44.5 |
HIP 62784 |
17.08 |
| 2026-06-11 12:00 |
12:53:03.44 |
+07:48:11.2 |
HIP 62784 |
17.92 |
| 2026-06-12 00:00 |
12:53:04.22 |
+07:45:37.0 |
HIP 62784 |
19.12 |
| 2026-06-12 12:00 |
12:53:05.22 |
+07:43:01.8 |
HIP 62784 |
20.63 |
| 2026-06-13 00:00 |
12:53:06.41 |
+07:40:25.6 |
HIP 62784 |
22.39 |
| 2026-06-13 12:00 |
12:53:07.82 |
+07:37:48.5 |
HIP 62784 |
24.35 |
| 2026-06-14 00:00 |
12:53:09.42 |
+07:35:10.5 |
HIP 62831 |
24.53 |
| 2026-06-14 12:00 |
12:53:11.23 |
+07:32:31.5 |
HIP 62831 |
22.29 |
| 2026-06-15 00:00 |
12:53:13.25 |
+07:29:51.6 |
HIP 62831 |
20.19 |
| 2026-06-15 12:00 |
12:53:15.47 |
+07:27:10.7 |
HIP 62831 |
18.26 |
| 2026-06-16 00:00 |
12:53:17.89 |
+07:24:29.0 |
HIP 62831 |
16.58 |
| 2026-06-16 12:00 |
12:53:20.51 |
+07:21:46.4 |
HIP 62831 |
15.25 |
| 2026-06-17 00:00 |
12:53:23.33 |
+07:19:02.8 |
HIP 62831 |
14.39 |
| 2026-06-17 12:00 |
12:53:26.35 |
+07:16:18.5 |
HIP 62831 |
14.09 |
| 2026-06-18 00:00 |
12:53:29.57 |
+07:13:33.2 |
HIP 62831 |
14.40 |
| 2026-06-18 12:00 |
12:53:32.99 |
+07:10:47.1 |
HIP 62831 |
15.31 |
| 2026-06-19 00:00 |
12:53:36.61 |
+07:08:00.2 |
HIP 62830 |
16.67 |
| 2026-06-19 12:00 |
12:53:40.42 |
+07:05:12.5 |
HIP 62830 |
18.44 |
| 2026-06-20 00:00 |
12:53:44.43 |
+07:02:23.9 |
HIP 62942 |
16.83 |
| 2026-06-20 12:00 |
12:53:48.63 |
+06:59:34.6 |
HIP 62942 |
13.89 |
| 2026-06-21 00:00 |
12:53:53.03 |
+06:56:44.4 |
HIP 62942 |
10.99 |
| 2026-06-21 12:00 |
12:53:57.62 |
+06:53:53.5 |
HIP 62942 |
8.17 |
| 2026-06-22 00:00 |
12:54:02.40 |
+06:51:01.8 |
HIP 62942 |
5.62 |