C/2014 OG392 (PANSTARRS)
메타데이터
| 항목 |
값 |
| Designation |
C/2014 OG392 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2021-12-01T11:14:16.670400Z |
| Orbit solution date (soln_date, UTC) |
2025-12-18T15:12:21Z |
| Obs used |
369 |
| NEO |
- |
| M1 |
11.500 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2019-08-18.0000000 |
| e |
0.18203659 |
| q (au) |
9.968960 |
| a (au) |
12.187538 |
| i (deg) |
9.036164 |
| Ω (om, deg) |
145.825140 |
| ω (w, deg) |
254.110404 |
| M (ma, deg) |
340.623312 |
밝기
산란 + 전체 선형
$$
M_a = (H_0 + n\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
- |
| n |
- |
| gf |
- |
| gb |
- |
| k |
- |
| δ90 |
- |
| 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) |
| 2026-02-03 00:00 |
05:44:53.55 |
+15:24:14.0 |
HIP 27078 |
21.11 |
| 2026-02-03 12:00 |
05:44:49.02 |
+15:24:35.6 |
HIP 27078 |
21.21 |
| 2026-02-04 00:00 |
05:44:44.57 |
+15:24:57.3 |
HIP 27078 |
21.38 |
| 2026-02-04 12:00 |
05:44:40.21 |
+15:25:19.1 |
HIP 27078 |
21.61 |
| 2026-02-05 00:00 |
05:44:35.94 |
+15:25:41.1 |
HIP 27078 |
21.90 |
| 2026-02-05 12:00 |
05:44:31.75 |
+15:26:03.2 |
HIP 27078 |
22.24 |
| 2026-02-06 00:00 |
05:44:27.65 |
+15:26:25.5 |
HIP 27078 |
22.63 |
| 2026-02-06 12:00 |
05:44:23.65 |
+15:26:47.9 |
HIP 27078 |
23.06 |
| 2026-02-07 00:00 |
05:44:19.73 |
+15:27:10.4 |
HIP 27078 |
23.53 |
| 2026-02-07 12:00 |
05:44:15.90 |
+15:27:33.1 |
HIP 27078 |
24.03 |
| 2026-02-08 00:00 |
05:44:12.16 |
+15:27:55.9 |
HIP 27078 |
24.56 |
| 2026-02-08 12:00 |
05:44:08.51 |
+15:28:18.9 |
HIP 27078 |
25.11 |
| 2026-02-09 00:00 |
05:44:04.96 |
+15:28:41.9 |
HIP 27078 |
25.69 |
| 2026-02-09 12:00 |
05:44:01.50 |
+15:29:05.1 |
HIP 27078 |
26.28 |
| 2026-02-10 00:00 |
05:43:58.13 |
+15:29:28.4 |
HIP 27078 |
26.88 |
| 2026-02-10 12:00 |
05:43:54.85 |
+15:29:51.9 |
HIP 27078 |
27.50 |
| 2026-02-11 00:00 |
05:43:51.66 |
+15:30:15.5 |
HIP 27078 |
28.12 |
| 2026-02-11 12:00 |
05:43:48.57 |
+15:30:39.2 |
HIP 26844 |
28.43 |
| 2026-02-12 00:00 |
05:43:45.58 |
+15:31:03.0 |
HIP 26844 |
27.91 |
| 2026-02-12 12:00 |
05:43:42.67 |
+15:31:26.9 |
HIP 26844 |
27.42 |
| 2026-02-13 00:00 |
05:43:39.87 |
+15:31:51.0 |
HIP 26844 |
26.98 |
| 2026-02-13 12:00 |
05:43:37.16 |
+15:32:15.1 |
HIP 26844 |
26.57 |
| 2026-02-14 00:00 |
05:43:34.54 |
+15:32:39.4 |
HIP 26844 |
26.20 |
| 2026-02-14 12:00 |
05:43:32.02 |
+15:33:03.8 |
HIP 26844 |
25.86 |
| 2026-02-15 00:00 |
05:43:29.60 |
+15:33:28.3 |
HIP 26844 |
25.57 |
| 2026-02-15 12:00 |
05:43:27.27 |
+15:33:52.9 |
HIP 26844 |
25.31 |
| 2026-02-16 00:00 |
05:43:25.04 |
+15:34:17.7 |
HIP 26844 |
25.08 |
| 2026-02-16 12:00 |
05:43:22.91 |
+15:34:42.5 |
HIP 26844 |
24.90 |
| 2026-02-17 00:00 |
05:43:20.87 |
+15:35:07.4 |
HIP 26844 |
24.75 |
| 2026-02-17 12:00 |
05:43:18.94 |
+15:35:32.4 |
HIP 26844 |
24.63 |
| 2026-02-18 00:00 |
05:43:17.10 |
+15:35:57.6 |
HIP 26844 |
24.55 |
| 2026-02-18 12:00 |
05:43:15.36 |
+15:36:22.8 |
HIP 26844 |
24.51 |
| 2026-02-19 00:00 |
05:43:13.72 |
+15:36:48.1 |
HIP 26844 |
24.49 |
| 2026-02-19 12:00 |
05:43:12.18 |
+15:37:13.5 |
HIP 26844 |
24.51 |
| 2026-02-20 00:00 |
05:43:10.73 |
+15:37:39.0 |
HIP 26844 |
24.56 |
| 2026-02-20 12:00 |
05:43:09.39 |
+15:38:04.6 |
HIP 26844 |
24.64 |
| 2026-02-21 00:00 |
05:43:08.15 |
+15:38:30.2 |
HIP 26844 |
24.75 |
| 2026-02-21 12:00 |
05:43:07.00 |
+15:38:56.0 |
HIP 26844 |
24.89 |
| 2026-02-22 00:00 |
05:43:05.96 |
+15:39:21.8 |
HIP 26844 |
25.05 |
| 2026-02-22 12:00 |
05:43:05.01 |
+15:39:47.8 |
HIP 26844 |
25.23 |
| 2026-02-23 00:00 |
05:43:04.17 |
+15:40:13.8 |
HIP 26844 |
25.44 |
| 2026-02-23 12:00 |
05:43:03.42 |
+15:40:39.8 |
HIP 26844 |
25.68 |
| 2026-02-24 00:00 |
05:43:02.78 |
+15:41:06.0 |
HIP 26844 |
25.93 |