메타데이터
| 항목 |
값 |
| Designation |
C/2015 D3 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2016-05-01T09:15:21.309120Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:33:07Z |
| Obs used |
313 |
| NEO |
- |
| M1 |
10.900 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2016-09-03.0000000 |
| e |
1.00219956 |
| q (au) |
8.148902 |
| a (au) |
-3704.795712 |
| i (deg) |
128.506522 |
| Ω (om, deg) |
156.980044 |
| ω (w, deg) |
2.885623 |
| M (ma, deg) |
0.000545 |
밝기
산란 + 전체 선형
$$
M_a = (10.026 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
10.026 |
| n |
2.000 |
| gf |
0.907 |
| gb |
-0.987 |
| k |
1.000 |
| δ90 |
1.000 |
| 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 |
01:06:16.52 |
+59:17:46.1 |
HIP 4871 |
28.01 |
| 2026-06-01 12:00 |
01:06:21.16 |
+59:18:35.8 |
HIP 4871 |
28.63 |
| 2026-06-02 00:00 |
01:06:25.74 |
+59:19:25.8 |
HIP 4871 |
29.26 |
| 2026-06-02 12:00 |
01:06:30.26 |
+59:20:16.0 |
HIP 4871 |
29.90 |
| 2026-06-03 00:00 |
01:06:34.72 |
+59:21:06.3 |
HIP 5232 |
30.51 |
| 2026-06-03 12:00 |
01:06:39.11 |
+59:21:56.9 |
HIP 5232 |
29.63 |
| 2026-06-04 00:00 |
01:06:43.44 |
+59:22:47.6 |
HIP 5232 |
28.76 |
| 2026-06-04 12:00 |
01:06:47.71 |
+59:23:38.5 |
HIP 5232 |
27.89 |
| 2026-06-05 00:00 |
01:06:51.91 |
+59:24:29.5 |
HIP 5232 |
27.03 |
| 2026-06-05 12:00 |
01:06:56.05 |
+59:25:20.8 |
HIP 5232 |
26.17 |
| 2026-06-06 00:00 |
01:07:00.12 |
+59:26:12.2 |
HIP 5232 |
25.33 |
| 2026-06-06 12:00 |
01:07:04.13 |
+59:27:03.7 |
HIP 5232 |
24.49 |
| 2026-06-07 00:00 |
01:07:08.07 |
+59:27:55.4 |
HIP 5232 |
23.66 |
| 2026-06-07 12:00 |
01:07:11.95 |
+59:28:47.3 |
HIP 5232 |
22.84 |
| 2026-06-08 00:00 |
01:07:15.76 |
+59:29:39.3 |
HIP 5232 |
22.03 |
| 2026-06-08 12:00 |
01:07:19.51 |
+59:30:31.5 |
HIP 5232 |
21.24 |
| 2026-06-09 00:00 |
01:07:23.18 |
+59:31:23.8 |
HIP 5232 |
20.46 |
| 2026-06-09 12:00 |
01:07:26.79 |
+59:32:16.3 |
HIP 5232 |
19.69 |
| 2026-06-10 00:00 |
01:07:30.33 |
+59:33:08.8 |
HIP 5232 |
18.93 |
| 2026-06-10 12:00 |
01:07:33.80 |
+59:34:01.6 |
HIP 5232 |
18.20 |
| 2026-06-11 00:00 |
01:07:37.20 |
+59:34:54.4 |
HIP 5232 |
17.48 |
| 2026-06-11 12:00 |
01:07:40.54 |
+59:35:47.4 |
HIP 5232 |
16.79 |
| 2026-06-12 00:00 |
01:07:43.80 |
+59:36:40.4 |
HIP 5232 |
16.12 |
| 2026-06-12 12:00 |
01:07:46.99 |
+59:37:33.6 |
HIP 5232 |
15.47 |
| 2026-06-13 00:00 |
01:07:50.11 |
+59:38:27.0 |
HIP 5232 |
14.86 |
| 2026-06-13 12:00 |
01:07:53.16 |
+59:39:20.4 |
HIP 5232 |
14.28 |
| 2026-06-14 00:00 |
01:07:56.14 |
+59:40:13.9 |
HIP 5232 |
13.73 |
| 2026-06-14 12:00 |
01:07:59.04 |
+59:41:07.5 |
HIP 5232 |
13.23 |
| 2026-06-15 00:00 |
01:08:01.87 |
+59:42:01.2 |
HIP 5232 |
12.77 |
| 2026-06-15 12:00 |
01:08:04.63 |
+59:42:55.0 |
HIP 5232 |
12.37 |
| 2026-06-16 00:00 |
01:08:07.32 |
+59:43:48.9 |
HIP 5232 |
12.02 |
| 2026-06-16 12:00 |
01:08:09.93 |
+59:44:42.9 |
HIP 5232 |
11.72 |
| 2026-06-17 00:00 |
01:08:12.47 |
+59:45:36.9 |
HIP 5232 |
11.50 |
| 2026-06-17 12:00 |
01:08:14.93 |
+59:46:31.0 |
HIP 5232 |
11.33 |
| 2026-06-18 00:00 |
01:08:17.31 |
+59:47:25.2 |
HIP 5232 |
11.24 |
| 2026-06-18 12:00 |
01:08:19.63 |
+59:48:19.4 |
HIP 5232 |
11.22 |
| 2026-06-19 00:00 |
01:08:21.86 |
+59:49:13.7 |
HIP 5232 |
11.27 |
| 2026-06-19 12:00 |
01:08:24.02 |
+59:50:08.0 |
HIP 5232 |
11.39 |
| 2026-06-20 00:00 |
01:08:26.10 |
+59:51:02.4 |
HIP 5232 |
11.57 |
| 2026-06-20 12:00 |
01:08:28.11 |
+59:51:56.9 |
HIP 5232 |
11.82 |
| 2026-06-21 00:00 |
01:08:30.04 |
+59:52:51.3 |
HIP 5232 |
12.13 |
| 2026-06-21 12:00 |
01:08:31.89 |
+59:53:45.8 |
HIP 5232 |
12.48 |
| 2026-06-22 00:00 |
01:08:33.67 |
+59:54:40.4 |
HIP 5232 |
12.89 |