메타데이터
| 항목 |
값 |
| Designation |
C/2003 F1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2003-06-28T11:02:31.318080Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:27Z |
| Obs used |
1150 |
| NEO |
- |
| M1 |
8.300 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2003-05-31.0000000 |
| e |
0.80603402 |
| q (au) |
4.007799 |
| a (au) |
20.662380 |
| i (deg) |
70.221513 |
| Ω (om, deg) |
87.487652 |
| ω (w, deg) |
121.188132 |
| M (ma, deg) |
359.701345 |
밝기
산란 + 전체 선형
$$
M_a = (4.239 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
4.239 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.500 |
| 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 |
03:50:27.02 |
-48:18:50.0 |
HIP 17853 |
12.54 |
| 2026-05-12 12:00 |
03:50:32.81 |
-48:18:32.5 |
HIP 17853 |
13.47 |
| 2026-05-13 00:00 |
03:50:38.60 |
-48:18:15.4 |
HIP 18011 |
13.82 |
| 2026-05-13 12:00 |
03:50:44.40 |
-48:17:58.7 |
HIP 18011 |
13.88 |
| 2026-05-14 00:00 |
03:50:50.21 |
-48:17:42.4 |
HIP 18054 |
13.19 |
| 2026-05-14 12:00 |
03:50:56.02 |
-48:17:26.6 |
HIP 18054 |
12.47 |
| 2026-05-15 00:00 |
03:51:01.84 |
-48:17:11.2 |
HIP 18054 |
11.80 |
| 2026-05-15 12:00 |
03:51:07.66 |
-48:16:56.2 |
HIP 18054 |
11.18 |
| 2026-05-16 00:00 |
03:51:13.48 |
-48:16:41.6 |
HIP 18054 |
10.63 |
| 2026-05-16 12:00 |
03:51:19.31 |
-48:16:27.5 |
HIP 18054 |
10.16 |
| 2026-05-17 00:00 |
03:51:25.14 |
-48:16:13.8 |
HIP 18054 |
9.77 |
| 2026-05-17 12:00 |
03:51:30.97 |
-48:16:00.6 |
HIP 18054 |
9.48 |
| 2026-05-18 00:00 |
03:51:36.81 |
-48:15:47.8 |
HIP 18054 |
9.29 |
| 2026-05-18 12:00 |
03:51:42.65 |
-48:15:35.4 |
HIP 18054 |
9.22 |
| 2026-05-19 00:00 |
03:51:48.49 |
-48:15:23.5 |
HIP 18054 |
9.26 |
| 2026-05-19 12:00 |
03:51:54.33 |
-48:15:12.0 |
HIP 18054 |
9.42 |
| 2026-05-20 00:00 |
03:52:00.17 |
-48:15:00.9 |
HIP 18054 |
9.68 |
| 2026-05-20 12:00 |
03:52:06.02 |
-48:14:50.2 |
HIP 18054 |
10.03 |
| 2026-05-21 00:00 |
03:52:11.86 |
-48:14:40.0 |
HIP 18054 |
10.48 |
| 2026-05-21 12:00 |
03:52:17.70 |
-48:14:30.3 |
HIP 18054 |
11.00 |
| 2026-05-22 00:00 |
03:52:23.55 |
-48:14:20.9 |
HIP 18054 |
11.59 |
| 2026-05-22 12:00 |
03:52:29.39 |
-48:14:12.0 |
HIP 18054 |
12.23 |
| 2026-05-23 00:00 |
03:52:35.23 |
-48:14:03.6 |
HIP 18054 |
12.92 |
| 2026-05-23 12:00 |
03:52:41.07 |
-48:13:55.6 |
HIP 18054 |
13.65 |
| 2026-05-24 00:00 |
03:52:46.91 |
-48:13:48.0 |
HIP 18054 |
14.41 |
| 2026-05-24 12:00 |
03:52:52.74 |
-48:13:40.8 |
HIP 18054 |
15.21 |
| 2026-05-25 00:00 |
03:52:58.58 |
-48:13:34.1 |
HIP 18054 |
16.02 |
| 2026-05-25 12:00 |
03:53:04.41 |
-48:13:27.8 |
HIP 18054 |
16.86 |
| 2026-05-26 00:00 |
03:53:10.23 |
-48:13:21.9 |
HIP 18054 |
17.71 |
| 2026-05-26 12:00 |
03:53:16.06 |
-48:13:16.5 |
HIP 18054 |
18.58 |
| 2026-05-27 00:00 |
03:53:21.88 |
-48:13:11.5 |
HIP 18054 |
19.46 |
| 2026-05-27 12:00 |
03:53:27.69 |
-48:13:07.0 |
HIP 18054 |
20.35 |
| 2026-05-28 00:00 |
03:53:33.51 |
-48:13:02.8 |
HIP 18054 |
21.24 |
| 2026-05-28 12:00 |
03:53:39.31 |
-48:12:59.1 |
HIP 18054 |
22.15 |
| 2026-05-29 00:00 |
03:53:45.11 |
-48:12:55.9 |
HIP 18054 |
23.06 |
| 2026-05-29 12:00 |
03:53:50.91 |
-48:12:53.1 |
HIP 18054 |
23.98 |
| 2026-05-30 00:00 |
03:53:56.70 |
-48:12:50.7 |
HIP 18054 |
24.90 |
| 2026-05-30 12:00 |
03:54:02.48 |
-48:12:48.7 |
HIP 18054 |
25.83 |
| 2026-05-31 00:00 |
03:54:08.26 |
-48:12:47.2 |
HIP 18054 |
26.76 |
| 2026-05-31 12:00 |
03:54:14.03 |
-48:12:46.1 |
HIP 18054 |
27.69 |
| 2026-06-01 00:00 |
03:54:19.80 |
-48:12:45.4 |
HIP 18054 |
28.63 |
| 2026-06-01 12:00 |
03:54:25.55 |
-48:12:45.2 |
HIP 18469 |
29.00 |
| 2026-06-02 00:00 |
03:54:31.30 |
-48:12:45.4 |
HIP 18469 |
28.21 |