메타데이터
| 항목 |
값 |
| Designation |
C/2014 W10 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2016-02-17T17:05:45.709440Z |
| Orbit solution date (soln_date, UTC) |
2022-07-16T01:42:20Z |
| Obs used |
28 |
| NEO |
- |
| M1 |
7.100 |
| K1 |
10.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2014-09-22.0000000 |
| e |
1.00362111 |
| q (au) |
7.656557 |
| a (au) |
-2114.420080 |
| i (deg) |
83.309348 |
| Ω (om, deg) |
43.245415 |
| ω (w, deg) |
42.337209 |
| M (ma, deg) |
-0.005208 |
밝기
산란 + 전체 선형
$$
M_a = (1.984 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
1.984 |
| n |
6.000 |
| gf |
0.991 |
| gb |
-0.653 |
| k |
1.000 |
| δ90 |
9.997 |
| 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) |
| 2026-03-26 00:00 |
15:14:10.54 |
+15:47:59.6 |
HIP 74507 |
11.85 |
| 2026-03-26 12:00 |
15:14:06.30 |
+15:48:31.8 |
HIP 74507 |
10.72 |
| 2026-03-27 00:00 |
15:14:02.02 |
+15:49:03.8 |
HIP 74507 |
9.59 |
| 2026-03-27 12:00 |
15:13:57.71 |
+15:49:35.6 |
HIP 74507 |
8.46 |
| 2026-03-28 00:00 |
15:13:53.36 |
+15:50:07.3 |
HIP 74507 |
7.34 |
| 2026-03-28 12:00 |
15:13:48.98 |
+15:50:38.8 |
HIP 74507 |
6.24 |
| 2026-03-29 00:00 |
15:13:44.56 |
+15:51:10.0 |
HIP 74507 |
5.17 |
| 2026-03-29 12:00 |
15:13:40.11 |
+15:51:41.1 |
HIP 74507 |
4.15 |
| 2026-03-30 00:00 |
15:13:35.62 |
+15:52:12.0 |
HIP 74507 |
3.26 |
| 2026-03-30 12:00 |
15:13:31.10 |
+15:52:42.7 |
HIP 74507 |
2.63 |
| 2026-03-31 00:00 |
15:13:26.54 |
+15:53:13.1 |
HIP 74507 |
2.48 |
| 2026-03-31 12:00 |
15:13:21.96 |
+15:53:43.4 |
HIP 74507 |
2.88 |
| 2026-04-01 00:00 |
15:13:17.33 |
+15:54:13.5 |
HIP 74507 |
3.67 |
| 2026-04-01 12:00 |
15:13:12.68 |
+15:54:43.3 |
HIP 74507 |
4.66 |
| 2026-04-02 00:00 |
15:13:07.99 |
+15:55:12.9 |
HIP 74507 |
5.74 |
| 2026-04-02 12:00 |
15:13:03.27 |
+15:55:42.3 |
HIP 74507 |
6.89 |
| 2026-04-03 00:00 |
15:12:58.52 |
+15:56:11.5 |
HIP 74507 |
8.07 |
| 2026-04-03 12:00 |
15:12:53.74 |
+15:56:40.4 |
HIP 74507 |
9.27 |
| 2026-04-04 00:00 |
15:12:48.92 |
+15:57:09.2 |
HIP 74507 |
10.49 |
| 2026-04-04 12:00 |
15:12:44.08 |
+15:57:37.6 |
HIP 74507 |
11.72 |
| 2026-04-05 00:00 |
15:12:39.20 |
+15:58:05.9 |
HIP 74507 |
12.96 |
| 2026-04-05 12:00 |
15:12:34.30 |
+15:58:33.9 |
HIP 74507 |
14.21 |
| 2026-04-06 00:00 |
15:12:29.36 |
+15:59:01.7 |
HIP 74507 |
15.47 |
| 2026-04-06 12:00 |
15:12:24.40 |
+15:59:29.2 |
HIP 74507 |
16.74 |
| 2026-04-07 00:00 |
15:12:19.41 |
+15:59:56.4 |
HIP 74507 |
18.02 |
| 2026-04-07 12:00 |
15:12:14.38 |
+16:00:23.4 |
HIP 74507 |
19.30 |
| 2026-04-08 00:00 |
15:12:09.34 |
+16:00:50.2 |
HIP 74507 |
20.59 |
| 2026-04-08 12:00 |
15:12:04.26 |
+16:01:16.6 |
HIP 74507 |
21.88 |
| 2026-04-09 00:00 |
15:11:59.15 |
+16:01:42.8 |
HIP 74507 |
23.18 |
| 2026-04-09 12:00 |
15:11:54.02 |
+16:02:08.8 |
HIP 74507 |
24.49 |
| 2026-04-10 00:00 |
15:11:48.87 |
+16:02:34.4 |
HIP 74507 |
25.79 |
| 2026-04-10 12:00 |
15:11:43.68 |
+16:02:59.8 |
HIP 74507 |
27.11 |
| 2026-04-11 00:00 |
15:11:38.47 |
+16:03:24.9 |
HIP 74507 |
28.43 |
| 2026-04-11 12:00 |
15:11:33.24 |
+16:03:49.8 |
HIP 74507 |
29.75 |
| 2026-04-12 00:00 |
15:11:27.98 |
+16:04:14.3 |
HIP 74507 |
31.08 |
| 2026-04-12 12:00 |
15:11:22.69 |
+16:04:38.6 |
HIP 74189 |
30.08 |
| 2026-04-13 00:00 |
15:11:17.38 |
+16:05:02.5 |
HIP 74189 |
28.78 |
| 2026-04-13 12:00 |
15:11:12.05 |
+16:05:26.2 |
HIP 74189 |
27.49 |
| 2026-04-14 00:00 |
15:11:06.70 |
+16:05:49.5 |
HIP 74189 |
26.20 |
| 2026-04-14 12:00 |
15:11:01.32 |
+16:06:12.6 |
HIP 74189 |
24.92 |
| 2026-04-15 00:00 |
15:10:55.92 |
+16:06:35.3 |
HIP 74189 |
23.64 |
| 2026-04-15 12:00 |
15:10:50.50 |
+16:06:57.8 |
HIP 74189 |
22.36 |
| 2026-04-16 00:00 |
15:10:45.05 |
+16:07:19.9 |
HIP 74189 |
21.10 |