메타데이터
| 항목 |
값 |
| Designation |
C/2014 S3 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2014-08-13T07:42:24.215040Z |
| Orbit solution date (soln_date, UTC) |
2022-06-07T21:44:07Z |
| Obs used |
48 |
| NEO |
- |
| M1 |
17.500 |
| K1 |
8.750 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2014-10-08.0000000 |
| e |
0.97675738 |
| q (au) |
2.049265 |
| a (au) |
88.168442 |
| i (deg) |
169.320625 |
| Ω (om, deg) |
356.051072 |
| ω (w, deg) |
293.142060 |
| M (ma, deg) |
0.066286 |
밝기
산란 + 전체 선형
$$
M_a = (16.884 + 3.181\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
16.884 |
| n |
3.181 |
| gf |
0.984 |
| gb |
-0.557 |
| k |
0.999 |
| δ90 |
9.807 |
| 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) |
| 2026-07-29 00:00 |
18:06:36.40 |
-12:28:42.9 |
HIP 88668 |
10.52 |
| 2026-07-29 12:00 |
18:06:32.24 |
-12:28:50.9 |
HIP 88668 |
9.95 |
| 2026-07-30 00:00 |
18:06:28.09 |
-12:28:59.1 |
HIP 88668 |
9.47 |
| 2026-07-30 12:00 |
18:06:23.98 |
-12:29:07.3 |
HIP 88668 |
9.07 |
| 2026-07-31 00:00 |
18:06:19.88 |
-12:29:15.6 |
HIP 88668 |
8.78 |
| 2026-07-31 12:00 |
18:06:15.82 |
-12:29:23.9 |
HIP 88668 |
8.60 |
| 2026-08-01 00:00 |
18:06:11.77 |
-12:29:32.4 |
HIP 88668 |
8.54 |
| 2026-08-01 12:00 |
18:06:07.76 |
-12:29:40.9 |
HIP 88668 |
8.60 |
| 2026-08-02 00:00 |
18:06:03.77 |
-12:29:49.5 |
HIP 88668 |
8.77 |
| 2026-08-02 12:00 |
18:05:59.80 |
-12:29:58.2 |
HIP 88668 |
9.04 |
| 2026-08-03 00:00 |
18:05:55.87 |
-12:30:06.9 |
HIP 88668 |
9.41 |
| 2026-08-03 12:00 |
18:05:51.96 |
-12:30:15.7 |
HIP 88668 |
9.86 |
| 2026-08-04 00:00 |
18:05:48.07 |
-12:30:24.6 |
HIP 88668 |
10.37 |
| 2026-08-04 12:00 |
18:05:44.22 |
-12:30:33.6 |
HIP 88668 |
10.95 |
| 2026-08-05 00:00 |
18:05:40.39 |
-12:30:42.6 |
HIP 88668 |
11.57 |
| 2026-08-05 12:00 |
18:05:36.59 |
-12:30:51.7 |
HIP 88668 |
12.23 |
| 2026-08-06 00:00 |
18:05:32.81 |
-12:31:00.9 |
HIP 88668 |
12.92 |
| 2026-08-06 12:00 |
18:05:29.07 |
-12:31:10.1 |
HIP 88668 |
13.64 |
| 2026-08-07 00:00 |
18:05:25.35 |
-12:31:19.4 |
HIP 88668 |
14.38 |
| 2026-08-07 12:00 |
18:05:21.66 |
-12:31:28.8 |
HIP 88668 |
15.13 |
| 2026-08-08 00:00 |
18:05:18.01 |
-12:31:38.2 |
HIP 88668 |
15.90 |
| 2026-08-08 12:00 |
18:05:14.38 |
-12:31:47.7 |
HIP 88668 |
16.67 |
| 2026-08-09 00:00 |
18:05:10.78 |
-12:31:57.3 |
HIP 88668 |
17.45 |
| 2026-08-09 12:00 |
18:05:07.21 |
-12:32:06.9 |
HIP 88668 |
18.24 |
| 2026-08-10 00:00 |
18:05:03.67 |
-12:32:16.7 |
HIP 88668 |
19.03 |
| 2026-08-10 12:00 |
18:05:00.16 |
-12:32:26.4 |
HIP 88668 |
19.82 |
| 2026-08-11 00:00 |
18:04:56.68 |
-12:32:36.3 |
HIP 88668 |
20.61 |
| 2026-08-11 12:00 |
18:04:53.23 |
-12:32:46.2 |
HIP 88668 |
21.41 |
| 2026-08-12 00:00 |
18:04:49.82 |
-12:32:56.1 |
HIP 88462 |
21.05 |
| 2026-08-12 12:00 |
18:04:46.43 |
-12:33:06.1 |
HIP 88462 |
20.31 |
| 2026-08-13 00:00 |
18:04:43.08 |
-12:33:16.2 |
HIP 88462 |
19.58 |
| 2026-08-13 12:00 |
18:04:39.76 |
-12:33:26.4 |
HIP 88462 |
18.86 |
| 2026-08-14 00:00 |
18:04:36.47 |
-12:33:36.6 |
HIP 88462 |
18.16 |
| 2026-08-14 12:00 |
18:04:33.21 |
-12:33:46.8 |
HIP 88462 |
17.47 |
| 2026-08-15 00:00 |
18:04:29.99 |
-12:33:57.1 |
HIP 88462 |
16.80 |
| 2026-08-15 12:00 |
18:04:26.80 |
-12:34:07.5 |
HIP 88462 |
16.15 |
| 2026-08-16 00:00 |
18:04:23.64 |
-12:34:17.9 |
HIP 88462 |
15.51 |
| 2026-08-16 12:00 |
18:04:20.51 |
-12:34:28.4 |
HIP 88462 |
14.89 |
| 2026-08-17 00:00 |
18:04:17.42 |
-12:34:38.9 |
HIP 88462 |
14.30 |
| 2026-08-17 12:00 |
18:04:14.36 |
-12:34:49.5 |
HIP 88462 |
13.72 |
| 2026-08-18 00:00 |
18:04:11.33 |
-12:35:00.1 |
HIP 88462 |
13.17 |
| 2026-08-18 12:00 |
18:04:08.34 |
-12:35:10.8 |
HIP 88462 |
12.64 |
| 2026-08-19 00:00 |
18:04:05.39 |
-12:35:21.5 |
HIP 88462 |
12.14 |