메타데이터
| 항목 |
값 |
| Designation |
194P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2008-02-26T01:27:24.048000Z |
| Orbit solution date (soln_date, UTC) |
2024-05-07T15:48:58Z |
| Obs used |
152 |
| NEO |
- |
| M1 |
17.800 |
| K1 |
7.000 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2011-10-05.0000000 |
| e |
0.57432797 |
| q (au) |
1.705149 |
| a (au) |
4.005781 |
| i (deg) |
11.120766 |
| Ω (om, deg) |
352.049138 |
| ω (w, deg) |
130.540130 |
| M (ma, deg) |
161.897093 |
밝기
산란 + 전체 선형
$$
M_a = (18.208 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
18.208 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-1.000 |
| k |
0.999 |
| 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 |
17:30:30.16 |
-34:47:39.2 |
HIP 85676 |
15.31 |
| 2026-09-20 12:00 |
17:30:39.94 |
-34:46:42.8 |
HIP 85676 |
14.50 |
| 2026-09-21 00:00 |
17:30:49.89 |
-34:45:46.7 |
HIP 85676 |
14.01 |
| 2026-09-21 12:00 |
17:31:00.01 |
-34:44:51.0 |
HIP 85676 |
13.89 |
| 2026-09-22 00:00 |
17:31:10.31 |
-34:43:55.5 |
HIP 85676 |
14.17 |
| 2026-09-22 12:00 |
17:31:20.79 |
-34:43:00.3 |
HIP 85676 |
14.83 |
| 2026-09-23 00:00 |
17:31:31.43 |
-34:42:05.4 |
HIP 85676 |
15.86 |
| 2026-09-23 12:00 |
17:31:42.25 |
-34:41:10.8 |
HIP 85676 |
17.18 |
| 2026-09-24 00:00 |
17:31:53.23 |
-34:40:16.5 |
HIP 85676 |
18.75 |
| 2026-09-24 12:00 |
17:32:04.39 |
-34:39:22.5 |
HIP 85676 |
20.53 |
| 2026-09-25 00:00 |
17:32:15.71 |
-34:38:28.8 |
HIP 85839 |
21.80 |
| 2026-09-25 12:00 |
17:32:27.20 |
-34:37:35.4 |
HIP 85839 |
20.84 |
| 2026-09-26 00:00 |
17:32:38.86 |
-34:36:42.3 |
HIP 85839 |
20.16 |
| 2026-09-26 12:00 |
17:32:50.68 |
-34:35:49.4 |
HIP 85839 |
19.81 |
| 2026-09-27 00:00 |
17:33:02.66 |
-34:34:56.9 |
HIP 85839 |
19.81 |
| 2026-09-27 12:00 |
17:33:14.81 |
-34:34:04.6 |
HIP 85839 |
20.17 |
| 2026-09-28 00:00 |
17:33:27.11 |
-34:33:12.6 |
HIP 85839 |
20.90 |
| 2026-09-28 12:00 |
17:33:39.58 |
-34:32:20.9 |
HIP 85839 |
21.95 |
| 2026-09-29 00:00 |
17:33:52.21 |
-34:31:29.5 |
HIP 85839 |
23.31 |
| 2026-09-29 12:00 |
17:34:05.00 |
-34:30:38.4 |
HIP 85839 |
24.93 |
| 2026-09-30 00:00 |
17:34:17.94 |
-34:29:47.6 |
HIP 86025 |
25.54 |
| 2026-09-30 12:00 |
17:34:31.05 |
-34:28:57.0 |
HIP 86025 |
25.85 |
| 2026-10-01 00:00 |
17:34:44.31 |
-34:28:06.7 |
HIP 86025 |
26.44 |
| 2026-10-01 12:00 |
17:34:57.72 |
-34:27:16.7 |
HIP 86025 |
27.32 |
| 2026-10-02 00:00 |
17:35:11.29 |
-34:26:27.0 |
HIP 86025 |
28.47 |
| 2026-10-02 12:00 |
17:35:25.01 |
-34:25:37.5 |
HIP 86256 |
29.32 |
| 2026-10-03 00:00 |
17:35:38.89 |
-34:24:48.3 |
HIP 86197 |
27.04 |
| 2026-10-03 12:00 |
17:35:52.92 |
-34:23:59.4 |
HIP 86197 |
24.79 |
| 2026-10-04 00:00 |
17:36:07.10 |
-34:23:10.8 |
HIP 86197 |
22.71 |
| 2026-10-04 12:00 |
17:36:21.43 |
-34:22:22.4 |
HIP 86197 |
20.85 |
| 2026-10-05 00:00 |
17:36:35.91 |
-34:21:34.3 |
HIP 86197 |
19.31 |
| 2026-10-05 12:00 |
17:36:50.53 |
-34:20:46.5 |
HIP 86197 |
18.17 |
| 2026-10-06 00:00 |
17:37:05.31 |
-34:19:58.9 |
HIP 86197 |
17.54 |
| 2026-10-06 12:00 |
17:37:20.23 |
-34:19:11.6 |
HIP 86197 |
17.47 |
| 2026-10-07 00:00 |
17:37:35.30 |
-34:18:24.6 |
HIP 86197 |
18.00 |
| 2026-10-07 12:00 |
17:37:50.51 |
-34:17:37.8 |
HIP 86197 |
19.08 |
| 2026-10-08 00:00 |
17:38:05.87 |
-34:16:51.3 |
HIP 86197 |
20.64 |
| 2026-10-08 12:00 |
17:38:21.36 |
-34:16:05.0 |
HIP 86197 |
22.60 |
| 2026-10-09 00:00 |
17:38:37.01 |
-34:15:19.0 |
HIP 86197 |
24.88 |
| 2026-10-09 12:00 |
17:38:52.79 |
-34:14:33.3 |
HIP 86197 |
27.40 |
| 2026-10-10 00:00 |
17:39:08.71 |
-34:13:47.8 |
HIP 86545 |
29.73 |
| 2026-10-10 12:00 |
17:39:24.77 |
-34:13:02.6 |
HIP 86545 |
26.53 |
| 2026-10-11 00:00 |
17:39:40.97 |
-34:12:17.6 |
HIP 86545 |
23.37 |