메타데이터
| 항목 |
값 |
| Designation |
193P/LINEAR-NEAT |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2014-11-24T15:42:23.192640Z |
| Orbit solution date (soln_date, UTC) |
2024-08-25T21:12:14Z |
| Obs used |
944 |
| NEO |
- |
| M1 |
7.500 |
| K1 |
27.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2015-07-11.0000000 |
| e |
0.39417816 |
| q (au) |
2.166103 |
| a (au) |
3.575479 |
| i (deg) |
10.686952 |
| Ω (om, deg) |
335.193501 |
| ω (w, deg) |
8.435134 |
| M (ma, deg) |
33.288578 |
밝기
산란 + 전체 선형
$$
M_a = (16.321 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
16.321 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.603 |
| k |
0.800 |
| 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) |
| 2026-07-29 00:00 |
12:36:18.75 |
-12:25:35.3 |
HIP 61535 |
7.42 |
| 2026-07-29 12:00 |
12:36:37.77 |
-12:27:07.8 |
HIP 61535 |
6.55 |
| 2026-07-30 00:00 |
12:36:56.94 |
-12:28:41.3 |
HIP 61535 |
8.89 |
| 2026-07-30 12:00 |
12:37:16.24 |
-12:30:15.8 |
HIP 61535 |
12.82 |
| 2026-07-31 00:00 |
12:37:35.68 |
-12:31:51.3 |
HIP 61649 |
13.38 |
| 2026-07-31 12:00 |
12:37:55.25 |
-12:33:27.8 |
HIP 61649 |
11.64 |
| 2026-08-01 00:00 |
12:38:14.96 |
-12:35:05.3 |
HIP 61649 |
11.97 |
| 2026-08-01 12:00 |
12:38:34.80 |
-12:36:43.8 |
HIP 61649 |
14.25 |
| 2026-08-02 00:00 |
12:38:54.78 |
-12:38:23.2 |
HIP 61649 |
17.79 |
| 2026-08-02 12:00 |
12:39:14.89 |
-12:40:03.7 |
HIP 61801 |
16.50 |
| 2026-08-03 00:00 |
12:39:35.12 |
-12:41:45.1 |
HIP 61801 |
12.43 |
| 2026-08-03 12:00 |
12:39:55.49 |
-12:43:27.5 |
HIP 61801 |
9.53 |
| 2026-08-04 00:00 |
12:40:15.99 |
-12:45:10.8 |
HIP 61801 |
9.08 |
| 2026-08-04 12:00 |
12:40:36.62 |
-12:46:55.1 |
HIP 61801 |
11.41 |
| 2026-08-05 00:00 |
12:40:57.38 |
-12:48:40.4 |
HIP 61910 |
12.98 |
| 2026-08-05 12:00 |
12:41:18.27 |
-12:50:26.6 |
HIP 61910 |
10.41 |
| 2026-08-06 00:00 |
12:41:39.29 |
-12:52:13.8 |
HIP 61910 |
10.30 |
| 2026-08-06 12:00 |
12:42:00.43 |
-12:54:01.8 |
HIP 61910 |
12.78 |
| 2026-08-07 00:00 |
12:42:21.70 |
-12:55:50.9 |
HIP 61910 |
16.76 |
| 2026-08-07 12:00 |
12:42:43.09 |
-12:57:40.8 |
HIP 62125 |
20.78 |
| 2026-08-08 00:00 |
12:43:04.61 |
-12:59:31.7 |
HIP 62125 |
15.39 |
| 2026-08-08 12:00 |
12:43:26.26 |
-13:01:23.5 |
HIP 62125 |
10.14 |
| 2026-08-09 00:00 |
12:43:48.03 |
-13:03:16.3 |
HIP 62125 |
5.58 |
| 2026-08-09 12:00 |
12:44:09.92 |
-13:05:09.9 |
HIP 62125 |
4.78 |
| 2026-08-10 00:00 |
12:44:31.93 |
-13:07:04.5 |
HIP 62125 |
8.89 |
| 2026-08-10 12:00 |
12:44:54.07 |
-13:09:00.0 |
HIP 62125 |
14.16 |
| 2026-08-11 00:00 |
12:45:16.33 |
-13:10:56.3 |
HIP 62125 |
19.72 |
| 2026-08-11 12:00 |
12:45:38.70 |
-13:12:53.5 |
HIP 62125 |
25.40 |
| 2026-08-12 00:00 |
12:46:01.20 |
-13:14:51.6 |
HIP 62125 |
31.15 |
| 2026-08-12 12:00 |
12:46:23.82 |
-13:16:50.6 |
HIP 62125 |
36.95 |
| 2026-08-13 00:00 |
12:46:46.55 |
-13:18:50.5 |
HIP 62125 |
42.79 |
| 2026-08-13 12:00 |
12:47:09.40 |
-13:20:51.2 |
HIP 62433 |
46.79 |
| 2026-08-14 00:00 |
12:47:32.37 |
-13:22:52.8 |
HIP 62668 |
47.67 |
| 2026-08-14 12:00 |
12:47:55.46 |
-13:24:55.3 |
HIP 62668 |
43.71 |
| 2026-08-15 00:00 |
12:48:18.65 |
-13:26:58.6 |
HIP 62668 |
40.25 |
| 2026-08-15 12:00 |
12:48:41.97 |
-13:29:02.7 |
HIP 62668 |
37.42 |
| 2026-08-16 00:00 |
12:49:05.39 |
-13:31:07.7 |
HIP 62747 |
34.07 |
| 2026-08-16 12:00 |
12:49:28.93 |
-13:33:13.5 |
HIP 62747 |
28.55 |
| 2026-08-17 00:00 |
12:49:52.58 |
-13:35:20.1 |
HIP 62747 |
23.31 |
| 2026-08-17 12:00 |
12:50:16.34 |
-13:37:27.5 |
HIP 62747 |
18.60 |
| 2026-08-18 00:00 |
12:50:40.21 |
-13:39:35.8 |
HIP 62747 |
14.96 |
| 2026-08-18 12:00 |
12:51:04.20 |
-13:41:44.8 |
HIP 62747 |
13.35 |
| 2026-08-19 00:00 |
12:51:28.28 |
-13:43:54.6 |
HIP 62747 |
14.51 |