메타데이터
| 항목 |
값 |
| Designation |
P/2013 T1 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2013-07-31T06:21:57.487680Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:32:40Z |
| Obs used |
43 |
| NEO |
- |
| M1 |
16.600 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2013-10-08.0000000 |
| e |
0.62326867 |
| q (au) |
2.210495 |
| a (au) |
5.867565 |
| i (deg) |
24.210241 |
| Ω (om, deg) |
10.283835 |
| ω (w, deg) |
345.840008 |
| M (ma, deg) |
4.766435 |
밝기
산란 + 전체 선형
$$
M_a = (13.931 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
13.931 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
15:37:46.30 |
-46:07:02.7 |
HIP 76461 |
8.99 |
| 2026-06-01 12:00 |
15:37:18.37 |
-46:06:29.7 |
HIP 76461 |
4.69 |
| 2026-06-02 00:00 |
15:36:50.52 |
-46:05:54.7 |
HIP 76461 |
3.29 |
| 2026-06-02 12:00 |
15:36:22.74 |
-46:05:17.6 |
HIP 76461 |
6.86 |
| 2026-06-03 00:00 |
15:35:55.05 |
-46:04:38.6 |
HIP 76461 |
11.42 |
| 2026-06-03 12:00 |
15:35:27.45 |
-46:03:57.5 |
HIP 76308 |
12.37 |
| 2026-06-04 00:00 |
15:34:59.94 |
-46:03:14.4 |
HIP 76308 |
11.83 |
| 2026-06-04 12:00 |
15:34:32.53 |
-46:02:29.4 |
HIP 76308 |
13.13 |
| 2026-06-05 00:00 |
15:34:05.24 |
-46:01:42.4 |
HIP 76308 |
15.82 |
| 2026-06-05 12:00 |
15:33:38.05 |
-46:00:53.4 |
HIP 76308 |
19.32 |
| 2026-06-06 00:00 |
15:33:10.98 |
-46:00:02.5 |
HIP 76308 |
23.26 |
| 2026-06-06 12:00 |
15:32:44.03 |
-45:59:09.7 |
HIP 75952 |
26.23 |
| 2026-06-07 00:00 |
15:32:17.21 |
-45:58:15.0 |
HIP 75952 |
22.11 |
| 2026-06-07 12:00 |
15:31:50.52 |
-45:57:18.5 |
HIP 75952 |
18.28 |
| 2026-06-08 00:00 |
15:31:23.97 |
-45:56:20.1 |
HIP 75952 |
14.96 |
| 2026-06-08 12:00 |
15:30:57.56 |
-45:55:19.8 |
HIP 75952 |
12.55 |
| 2026-06-09 00:00 |
15:30:31.30 |
-45:54:17.8 |
HIP 75952 |
11.61 |
| 2026-06-09 12:00 |
15:30:05.19 |
-45:53:13.9 |
HIP 75952 |
12.46 |
| 2026-06-10 00:00 |
15:29:39.24 |
-45:52:08.3 |
HIP 75877 |
14.16 |
| 2026-06-10 12:00 |
15:29:13.45 |
-45:51:00.9 |
HIP 75877 |
16.65 |
| 2026-06-11 00:00 |
15:28:47.83 |
-45:49:51.8 |
HIP 75877 |
19.92 |
| 2026-06-11 12:00 |
15:28:22.38 |
-45:48:41.0 |
HIP 75627 |
17.05 |
| 2026-06-12 00:00 |
15:27:57.11 |
-45:47:28.5 |
HIP 75627 |
14.99 |
| 2026-06-12 12:00 |
15:27:32.02 |
-45:46:14.4 |
HIP 75627 |
14.19 |
| 2026-06-13 00:00 |
15:27:07.12 |
-45:44:58.6 |
HIP 75627 |
14.82 |
| 2026-06-13 12:00 |
15:26:42.41 |
-45:43:41.3 |
HIP 75594 |
12.89 |
| 2026-06-14 00:00 |
15:26:17.90 |
-45:42:22.3 |
HIP 75594 |
12.29 |
| 2026-06-14 12:00 |
15:25:53.59 |
-45:41:01.8 |
HIP 75594 |
13.23 |
| 2026-06-15 00:00 |
15:25:29.48 |
-45:39:39.8 |
HIP 75594 |
15.42 |
| 2026-06-15 12:00 |
15:25:05.59 |
-45:38:16.3 |
HIP 75355 |
12.33 |
| 2026-06-16 00:00 |
15:24:41.91 |
-45:36:51.3 |
HIP 75355 |
9.19 |
| 2026-06-16 12:00 |
15:24:18.46 |
-45:35:24.9 |
HIP 75355 |
7.46 |
| 2026-06-17 00:00 |
15:23:55.22 |
-45:33:57.1 |
HIP 75355 |
8.05 |
| 2026-06-17 12:00 |
15:23:32.22 |
-45:32:27.8 |
HIP 75355 |
10.55 |
| 2026-06-18 00:00 |
15:23:09.45 |
-45:30:57.3 |
HIP 75355 |
13.95 |
| 2026-06-18 12:00 |
15:22:46.91 |
-45:29:25.4 |
HIP 75355 |
17.71 |
| 2026-06-19 00:00 |
15:22:24.62 |
-45:27:52.2 |
HIP 75184 |
17.46 |
| 2026-06-19 12:00 |
15:22:02.56 |
-45:26:17.8 |
HIP 75184 |
18.14 |
| 2026-06-20 00:00 |
15:21:40.76 |
-45:24:42.2 |
HIP 75184 |
19.71 |
| 2026-06-20 12:00 |
15:21:19.20 |
-45:23:05.3 |
HIP 75184 |
21.97 |
| 2026-06-21 00:00 |
15:20:57.90 |
-45:21:27.3 |
HIP 75184 |
24.71 |
| 2026-06-21 12:00 |
15:20:36.86 |
-45:19:48.1 |
HIP 75161 |
25.60 |
| 2026-06-22 00:00 |
15:20:16.08 |
-45:18:07.9 |
HIP 75036 |
25.70 |