메타데이터
| 항목 |
값 |
| Designation |
224P/LINEAR-NEAT |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2003-09-25T11:44:00.502080Z |
| Orbit solution date (soln_date, UTC) |
2024-05-30T01:12:28Z |
| Obs used |
107 |
| NEO |
- |
| M1 |
13.900 |
| K1 |
18.250 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2006-03-19.0000000 |
| e |
0.43729725 |
| q (au) |
1.896039 |
| a (au) |
3.369521 |
| i (deg) |
14.873572 |
| Ω (om, deg) |
43.265140 |
| ω (w, deg) |
10.938819 |
| M (ma, deg) |
144.293100 |
밝기
산란 + 전체 선형
$$
M_a = (16.775 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
16.775 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.981 |
| 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) |
| 2026-05-12 00:00 |
16:34:09.87 |
-29:43:12.2 |
HIP 81133 |
6.65 |
| 2026-05-12 12:00 |
16:33:49.04 |
-29:43:26.8 |
HIP 81133 |
7.74 |
| 2026-05-13 00:00 |
16:33:28.08 |
-29:43:40.6 |
HIP 81133 |
10.83 |
| 2026-05-13 12:00 |
16:33:06.99 |
-29:43:53.5 |
HIP 81133 |
14.74 |
| 2026-05-14 00:00 |
16:32:45.77 |
-29:44:05.5 |
HIP 80951 |
14.10 |
| 2026-05-14 12:00 |
16:32:24.44 |
-29:44:16.7 |
HIP 80951 |
10.08 |
| 2026-05-15 00:00 |
16:32:02.99 |
-29:44:27.0 |
HIP 80951 |
6.85 |
| 2026-05-15 12:00 |
16:31:41.42 |
-29:44:36.4 |
HIP 80951 |
5.98 |
| 2026-05-16 00:00 |
16:31:19.74 |
-29:44:45.0 |
HIP 80951 |
8.27 |
| 2026-05-16 12:00 |
16:30:57.96 |
-29:44:52.7 |
HIP 80951 |
12.08 |
| 2026-05-17 00:00 |
16:30:36.07 |
-29:44:59.5 |
HIP 80859 |
16.06 |
| 2026-05-17 12:00 |
16:30:14.09 |
-29:45:05.4 |
HIP 80859 |
17.22 |
| 2026-05-18 00:00 |
16:29:52.00 |
-29:45:10.5 |
HIP 80859 |
19.50 |
| 2026-05-18 12:00 |
16:29:29.83 |
-29:45:14.7 |
HIP 80779 |
19.38 |
| 2026-05-19 00:00 |
16:29:07.57 |
-29:45:18.0 |
HIP 80779 |
20.39 |
| 2026-05-19 12:00 |
16:28:45.23 |
-29:45:20.4 |
HIP 80779 |
22.44 |
| 2026-05-20 00:00 |
16:28:22.81 |
-29:45:22.0 |
HIP 80779 |
25.28 |
| 2026-05-20 12:00 |
16:28:00.32 |
-29:45:22.7 |
HIP 80779 |
28.70 |
| 2026-05-21 00:00 |
16:27:37.75 |
-29:45:22.5 |
HIP 80490 |
25.60 |
| 2026-05-21 12:00 |
16:27:15.11 |
-29:45:21.4 |
HIP 80490 |
21.15 |
| 2026-05-22 00:00 |
16:26:52.42 |
-29:45:19.5 |
HIP 80490 |
16.95 |
| 2026-05-22 12:00 |
16:26:29.66 |
-29:45:16.7 |
HIP 80490 |
13.27 |
| 2026-05-23 00:00 |
16:26:06.85 |
-29:45:13.1 |
HIP 80490 |
10.66 |
| 2026-05-23 12:00 |
16:25:43.98 |
-29:45:08.6 |
HIP 80490 |
10.02 |
| 2026-05-24 00:00 |
16:25:21.07 |
-29:45:03.2 |
HIP 80399 |
9.40 |
| 2026-05-24 12:00 |
16:24:58.12 |
-29:44:57.0 |
HIP 80399 |
4.81 |
| 2026-05-25 00:00 |
16:24:35.12 |
-29:44:49.9 |
HIP 80399 |
2.75 |
| 2026-05-25 12:00 |
16:24:12.09 |
-29:44:42.0 |
HIP 80320 |
4.42 |
| 2026-05-26 00:00 |
16:23:49.03 |
-29:44:33.2 |
HIP 80320 |
2.36 |
| 2026-05-26 12:00 |
16:23:25.94 |
-29:44:23.6 |
HIP 80320 |
6.47 |
| 2026-05-27 00:00 |
16:23:02.82 |
-29:44:13.2 |
HIP 80320 |
11.35 |
| 2026-05-27 12:00 |
16:22:39.69 |
-29:44:01.9 |
HIP 80320 |
16.31 |
| 2026-05-28 00:00 |
16:22:16.53 |
-29:43:49.8 |
HIP 80320 |
21.32 |
| 2026-05-28 12:00 |
16:21:53.37 |
-29:43:36.9 |
HIP 80070 |
21.46 |
| 2026-05-29 00:00 |
16:21:30.19 |
-29:43:23.1 |
HIP 80070 |
17.50 |
| 2026-05-29 12:00 |
16:21:07.02 |
-29:43:08.6 |
HIP 80070 |
14.22 |
| 2026-05-30 00:00 |
16:20:43.83 |
-29:42:53.2 |
HIP 80070 |
12.19 |
| 2026-05-30 12:00 |
16:20:20.66 |
-29:42:37.0 |
HIP 80070 |
12.07 |
| 2026-05-31 00:00 |
16:19:57.49 |
-29:42:20.1 |
HIP 80070 |
13.91 |
| 2026-05-31 12:00 |
16:19:34.32 |
-29:42:02.3 |
HIP 79982 |
14.88 |
| 2026-06-01 00:00 |
16:19:11.18 |
-29:41:43.8 |
HIP 79982 |
15.90 |
| 2026-06-01 12:00 |
16:18:48.05 |
-29:41:24.5 |
HIP 79833 |
15.48 |
| 2026-06-02 00:00 |
16:18:24.94 |
-29:41:04.4 |
HIP 79833 |
11.33 |