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) |
| 2026-09-20 00:00 |
13:20:28.46 |
-16:25:47.4 |
HIP 65086 |
16.44 |
| 2026-09-20 12:00 |
13:20:58.36 |
-16:28:37.3 |
HIP 65086 |
15.62 |
| 2026-09-21 00:00 |
13:21:28.34 |
-16:31:27.7 |
HIP 65086 |
18.35 |
| 2026-09-21 12:00 |
13:21:58.39 |
-16:34:18.5 |
HIP 65344 |
23.43 |
| 2026-09-22 00:00 |
13:22:28.50 |
-16:37:09.7 |
HIP 65344 |
15.78 |
| 2026-09-22 12:00 |
13:22:58.69 |
-16:40:01.4 |
HIP 65344 |
8.29 |
| 2026-09-23 00:00 |
13:23:28.95 |
-16:42:53.5 |
HIP 65344 |
3.11 |
| 2026-09-23 12:00 |
13:23:59.28 |
-16:45:45.9 |
HIP 65344 |
8.51 |
| 2026-09-24 00:00 |
13:24:29.67 |
-16:48:38.8 |
HIP 65344 |
16.05 |
| 2026-09-24 12:00 |
13:25:00.14 |
-16:51:32.2 |
HIP 65532 |
15.82 |
| 2026-09-25 00:00 |
13:25:30.67 |
-16:54:25.9 |
HIP 65532 |
9.00 |
| 2026-09-25 12:00 |
13:26:01.26 |
-16:57:20.0 |
HIP 65532 |
5.94 |
| 2026-09-26 00:00 |
13:26:31.93 |
-17:00:14.4 |
HIP 65532 |
10.67 |
| 2026-09-26 12:00 |
13:27:02.66 |
-17:03:09.3 |
HIP 65532 |
17.82 |
| 2026-09-27 00:00 |
13:27:33.46 |
-17:06:04.6 |
HIP 65532 |
25.43 |
| 2026-09-27 12:00 |
13:28:04.32 |
-17:09:00.2 |
HIP 65532 |
33.21 |
| 2026-09-28 00:00 |
13:28:35.25 |
-17:11:56.2 |
HIP 65532 |
41.06 |
| 2026-09-28 12:00 |
13:29:06.25 |
-17:14:52.6 |
HIP 65532 |
48.95 |
| 2026-09-29 00:00 |
13:29:37.31 |
-17:17:49.3 |
HIP 65614 |
51.53 |
| 2026-09-29 12:00 |
13:30:08.43 |
-17:20:46.4 |
HIP 66078 |
45.02 |
| 2026-09-30 00:00 |
13:30:39.62 |
-17:23:43.9 |
HIP 66078 |
37.21 |
| 2026-09-30 12:00 |
13:31:10.88 |
-17:26:41.7 |
HIP 66078 |
29.51 |
| 2026-10-01 00:00 |
13:31:42.19 |
-17:29:39.8 |
HIP 66078 |
22.01 |
| 2026-10-01 12:00 |
13:32:13.57 |
-17:32:38.4 |
HIP 66078 |
15.05 |
| 2026-10-02 00:00 |
13:32:45.02 |
-17:35:37.2 |
HIP 66078 |
9.92 |
| 2026-10-02 12:00 |
13:33:16.52 |
-17:38:36.4 |
HIP 66078 |
10.02 |
| 2026-10-03 00:00 |
13:33:48.09 |
-17:41:35.9 |
HIP 66078 |
15.27 |
| 2026-10-03 12:00 |
13:34:19.72 |
-17:44:35.7 |
HIP 66078 |
22.30 |
| 2026-10-04 00:00 |
13:34:51.41 |
-17:47:35.9 |
HIP 66231 |
27.20 |
| 2026-10-04 12:00 |
13:35:23.16 |
-17:50:36.4 |
HIP 66231 |
32.51 |
| 2026-10-05 00:00 |
13:35:54.98 |
-17:53:37.2 |
HIP 66231 |
38.82 |
| 2026-10-05 12:00 |
13:36:26.85 |
-17:56:38.3 |
HIP 66231 |
45.73 |
| 2026-10-06 00:00 |
13:36:58.78 |
-17:59:39.7 |
HIP 66231 |
53.02 |
| 2026-10-06 12:00 |
13:37:30.77 |
-18:02:41.5 |
HIP 66749 |
49.92 |
| 2026-10-07 00:00 |
13:38:02.82 |
-18:05:43.5 |
HIP 66749 |
43.88 |
| 2026-10-07 12:00 |
13:38:34.93 |
-18:08:45.8 |
HIP 66749 |
38.64 |
| 2026-10-08 00:00 |
13:39:07.10 |
-18:11:48.4 |
HIP 66749 |
34.57 |
| 2026-10-08 12:00 |
13:39:39.32 |
-18:14:51.2 |
HIP 66749 |
32.15 |
| 2026-10-09 00:00 |
13:40:11.61 |
-18:17:54.4 |
HIP 66819 |
26.70 |
| 2026-10-09 12:00 |
13:40:43.94 |
-18:20:57.8 |
HIP 66819 |
18.76 |
| 2026-10-10 00:00 |
13:41:16.33 |
-18:24:01.5 |
HIP 66819 |
11.26 |
| 2026-10-10 12:00 |
13:41:48.78 |
-18:27:05.4 |
HIP 66819 |
6.20 |
| 2026-10-11 00:00 |
13:42:21.28 |
-18:30:09.6 |
HIP 66819 |
9.35 |