메타데이터
| 항목 |
값 |
| Designation |
C/2016 E1 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2017-06-01T02:58:04.794240Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:33:23Z |
| Obs used |
166 |
| NEO |
- |
| M1 |
6.900 |
| K1 |
9.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2017-04-09.0000000 |
| e |
1.00315620 |
| q (au) |
8.176818 |
| a (au) |
-2590.718500 |
| i (deg) |
131.890641 |
| Ω (om, deg) |
233.034543 |
| ω (w, deg) |
47.290330 |
| M (ma, deg) |
-0.000397 |
밝기
산란 + 전체 선형
$$
M_a = (0.872 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
0.872 |
| n |
6.000 |
| gf |
0.998 |
| gb |
-1.000 |
| 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 |
04:49:07.91 |
+45:45:42.8 |
HIP 22284 |
20.91 |
| 2026-06-01 12:00 |
04:49:14.94 |
+45:45:36.5 |
HIP 22284 |
21.62 |
| 2026-06-02 00:00 |
04:49:21.97 |
+45:45:30.5 |
HIP 22284 |
22.38 |
| 2026-06-02 12:00 |
04:49:29.01 |
+45:45:24.8 |
HIP 22284 |
23.18 |
| 2026-06-03 00:00 |
04:49:36.04 |
+45:45:19.3 |
HIP 22596 |
22.69 |
| 2026-06-03 12:00 |
04:49:43.07 |
+45:45:14.1 |
HIP 22596 |
21.51 |
| 2026-06-04 00:00 |
04:49:50.11 |
+45:45:09.2 |
HIP 22596 |
20.34 |
| 2026-06-04 12:00 |
04:49:57.14 |
+45:45:04.5 |
HIP 22596 |
19.17 |
| 2026-06-05 00:00 |
04:50:04.17 |
+45:45:00.1 |
HIP 22596 |
18.02 |
| 2026-06-05 12:00 |
04:50:11.20 |
+45:44:55.9 |
HIP 22596 |
16.87 |
| 2026-06-06 00:00 |
04:50:18.23 |
+45:44:52.0 |
HIP 22596 |
15.73 |
| 2026-06-06 12:00 |
04:50:25.25 |
+45:44:48.4 |
HIP 22596 |
14.60 |
| 2026-06-07 00:00 |
04:50:32.27 |
+45:44:45.0 |
HIP 22596 |
13.49 |
| 2026-06-07 12:00 |
04:50:39.29 |
+45:44:41.9 |
HIP 22596 |
12.40 |
| 2026-06-08 00:00 |
04:50:46.30 |
+45:44:39.0 |
HIP 22596 |
11.34 |
| 2026-06-08 12:00 |
04:50:53.31 |
+45:44:36.4 |
HIP 22596 |
10.31 |
| 2026-06-09 00:00 |
04:51:00.31 |
+45:44:34.1 |
HIP 22596 |
9.33 |
| 2026-06-09 12:00 |
04:51:07.31 |
+45:44:32.0 |
HIP 22596 |
8.40 |
| 2026-06-10 00:00 |
04:51:14.30 |
+45:44:30.1 |
HIP 22596 |
7.56 |
| 2026-06-10 12:00 |
04:51:21.28 |
+45:44:28.5 |
HIP 22596 |
6.83 |
| 2026-06-11 00:00 |
04:51:28.26 |
+45:44:27.2 |
HIP 22596 |
6.25 |
| 2026-06-11 12:00 |
04:51:35.23 |
+45:44:26.1 |
HIP 22596 |
5.87 |
| 2026-06-12 00:00 |
04:51:42.19 |
+45:44:25.3 |
HIP 22596 |
5.71 |
| 2026-06-12 12:00 |
04:51:49.15 |
+45:44:24.7 |
HIP 22596 |
5.81 |
| 2026-06-13 00:00 |
04:51:56.09 |
+45:44:24.4 |
HIP 22596 |
6.15 |
| 2026-06-13 12:00 |
04:52:03.02 |
+45:44:24.3 |
HIP 22596 |
6.68 |
| 2026-06-14 00:00 |
04:52:09.95 |
+45:44:24.5 |
HIP 22596 |
7.38 |
| 2026-06-14 12:00 |
04:52:16.86 |
+45:44:24.9 |
HIP 22596 |
8.19 |
| 2026-06-15 00:00 |
04:52:23.76 |
+45:44:25.5 |
HIP 22596 |
9.08 |
| 2026-06-15 12:00 |
04:52:30.65 |
+45:44:26.4 |
HIP 22596 |
10.03 |
| 2026-06-16 00:00 |
04:52:37.53 |
+45:44:27.6 |
HIP 22596 |
11.03 |
| 2026-06-16 12:00 |
04:52:44.39 |
+45:44:29.0 |
HIP 22596 |
12.06 |
| 2026-06-17 00:00 |
04:52:51.25 |
+45:44:30.6 |
HIP 22650 |
12.97 |
| 2026-06-17 12:00 |
04:52:58.08 |
+45:44:32.5 |
HIP 22650 |
13.47 |
| 2026-06-18 00:00 |
04:53:04.91 |
+45:44:34.6 |
HIP 22650 |
14.04 |
| 2026-06-18 12:00 |
04:53:11.71 |
+45:44:36.9 |
HIP 22650 |
14.68 |
| 2026-06-19 00:00 |
04:53:18.51 |
+45:44:39.5 |
HIP 22817 |
13.60 |
| 2026-06-19 12:00 |
04:53:25.28 |
+45:44:42.3 |
HIP 22817 |
12.49 |
| 2026-06-20 00:00 |
04:53:32.04 |
+45:44:45.4 |
HIP 22817 |
11.39 |
| 2026-06-20 12:00 |
04:53:38.79 |
+45:44:48.7 |
HIP 22817 |
10.31 |
| 2026-06-21 00:00 |
04:53:45.51 |
+45:44:52.2 |
HIP 22817 |
9.26 |
| 2026-06-21 12:00 |
04:53:52.22 |
+45:44:55.9 |
HIP 22817 |
8.25 |
| 2026-06-22 00:00 |
04:53:58.91 |
+45:45:00.0 |
HIP 22817 |
7.30 |