메타데이터
| 항목 |
값 |
| Designation |
P/2015 X6 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2016-03-18T15:23:43.068480Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:33:20Z |
| Obs used |
46 |
| NEO |
- |
| M1 |
16.100 |
| K1 |
10.000 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2015-12-22.0000000 |
| e |
0.16962315 |
| q (au) |
2.287338 |
| a (au) |
2.754579 |
| i (deg) |
4.558135 |
| Ω (om, deg) |
107.111954 |
| ω (w, deg) |
329.021808 |
| M (ma, deg) |
341.105692 |
밝기
산란 + 전체 선형
$$
M_a = (13.451 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
13.451 |
| n |
6.000 |
| gf |
1.000 |
| 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
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
10:46:28.56 |
+12:46:33.2 |
HIP 52683 |
2.81 |
| 2026-06-01 12:00 |
10:46:53.87 |
+12:43:26.6 |
HIP 52683 |
8.55 |
| 2026-06-02 00:00 |
10:47:19.37 |
+12:40:18.8 |
HIP 52683 |
15.34 |
| 2026-06-02 12:00 |
10:47:45.05 |
+12:37:10.0 |
HIP 52683 |
22.29 |
| 2026-06-03 00:00 |
10:48:10.91 |
+12:34:00.0 |
HIP 52915 |
23.59 |
| 2026-06-03 12:00 |
10:48:36.94 |
+12:30:49.0 |
HIP 52915 |
22.34 |
| 2026-06-04 00:00 |
10:49:03.16 |
+12:27:37.0 |
HIP 52915 |
23.30 |
| 2026-06-04 12:00 |
10:49:29.55 |
+12:24:23.8 |
HIP 53014 |
20.36 |
| 2026-06-05 00:00 |
10:49:56.11 |
+12:21:09.7 |
HIP 53014 |
13.12 |
| 2026-06-05 12:00 |
10:50:22.85 |
+12:17:54.4 |
HIP 53014 |
5.85 |
| 2026-06-06 00:00 |
10:50:49.75 |
+12:14:38.2 |
HIP 53014 |
1.75 |
| 2026-06-06 12:00 |
10:51:16.83 |
+12:11:20.9 |
HIP 53014 |
8.97 |
| 2026-06-07 00:00 |
10:51:44.07 |
+12:08:02.6 |
HIP 53014 |
16.39 |
| 2026-06-07 12:00 |
10:52:11.48 |
+12:04:43.4 |
HIP 53014 |
23.86 |
| 2026-06-08 00:00 |
10:52:39.05 |
+12:01:23.0 |
HIP 53014 |
31.38 |
| 2026-06-08 12:00 |
10:53:06.79 |
+11:58:01.8 |
HIP 53315 |
29.77 |
| 2026-06-09 00:00 |
10:53:34.69 |
+11:54:39.5 |
HIP 53315 |
29.53 |
| 2026-06-09 12:00 |
10:54:02.75 |
+11:51:16.2 |
HIP 53315 |
31.21 |
| 2026-06-10 00:00 |
10:54:30.96 |
+11:47:51.9 |
HIP 53315 |
34.56 |
| 2026-06-10 12:00 |
10:54:59.34 |
+11:44:26.7 |
HIP 53315 |
39.18 |
| 2026-06-11 00:00 |
10:55:27.87 |
+11:41:00.5 |
HIP 53315 |
44.70 |
| 2026-06-11 12:00 |
10:55:56.55 |
+11:37:33.4 |
HIP 53200 |
49.90 |
| 2026-06-12 00:00 |
10:56:25.39 |
+11:34:05.3 |
HIP 53716 |
48.43 |
| 2026-06-12 12:00 |
10:56:54.38 |
+11:30:36.3 |
HIP 53737 |
42.51 |
| 2026-06-13 00:00 |
10:57:23.52 |
+11:27:06.3 |
HIP 53737 |
37.01 |
| 2026-06-13 12:00 |
10:57:52.81 |
+11:23:35.4 |
HIP 53737 |
32.51 |
| 2026-06-14 00:00 |
10:58:22.24 |
+11:20:03.6 |
HIP 53737 |
29.51 |
| 2026-06-14 12:00 |
10:58:51.82 |
+11:16:30.9 |
HIP 53737 |
28.53 |
| 2026-06-15 00:00 |
10:59:21.55 |
+11:12:57.3 |
HIP 53737 |
29.78 |
| 2026-06-15 12:00 |
10:59:51.42 |
+11:09:22.7 |
HIP 53872 |
30.57 |
| 2026-06-16 00:00 |
11:00:21.43 |
+11:05:47.3 |
HIP 53872 |
23.07 |
| 2026-06-16 12:00 |
11:00:51.59 |
+11:02:11.0 |
HIP 53872 |
16.23 |
| 2026-06-17 00:00 |
11:01:21.88 |
+10:58:33.9 |
HIP 53872 |
11.40 |
| 2026-06-17 12:00 |
11:01:52.31 |
+10:54:55.9 |
HIP 53872 |
11.56 |
| 2026-06-18 00:00 |
11:02:22.87 |
+10:51:17.0 |
HIP 53872 |
16.62 |
| 2026-06-18 12:00 |
11:02:53.57 |
+10:47:37.3 |
HIP 53872 |
23.66 |
| 2026-06-19 00:00 |
11:03:24.40 |
+10:43:56.7 |
HIP 53872 |
31.40 |
| 2026-06-19 12:00 |
11:03:55.36 |
+10:40:15.4 |
HIP 54227 |
37.06 |
| 2026-06-20 00:00 |
11:04:26.45 |
+10:36:33.2 |
HIP 54227 |
29.14 |
| 2026-06-20 12:00 |
11:04:57.67 |
+10:32:50.2 |
HIP 54227 |
21.64 |
| 2026-06-21 00:00 |
11:05:29.01 |
+10:29:06.4 |
HIP 54227 |
15.23 |
| 2026-06-21 12:00 |
11:06:00.48 |
+10:25:21.8 |
HIP 54227 |
11.93 |
| 2026-06-22 00:00 |
11:06:32.07 |
+10:21:36.5 |
HIP 54356 |
13.47 |