C/2002 J5 (LINEAR)
메타데이터
| 항목 |
값 |
| Designation |
C/2002 J5 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2003-09-19T07:26:12.215040Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:15Z |
| Obs used |
590 |
| NEO |
- |
| M1 |
4.500 |
| K1 |
11.750 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2003-10-16.0000000 |
| e |
1.00114515 |
| q (au) |
5.726793 |
| a (au) |
-5000.912684 |
| i (deg) |
117.228241 |
| Ω (om, deg) |
314.109921 |
| ω (w, deg) |
74.832991 |
| M (ma, deg) |
0.000074 |
밝기
산란 + 전체 선형
$$
M_a = (0.980 + 5.994\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
0.980 |
| n |
5.994 |
| gf |
0.970 |
| gb |
-0.998 |
| k |
1.000 |
| δ90 |
9.999 |
| 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) |
| 2026-02-03 00:00 |
07:41:50.94 |
-06:19:54.3 |
HIP 37661 |
26.97 |
| 2026-02-03 12:00 |
07:41:47.90 |
-06:19:43.1 |
HIP 37420 |
26.98 |
| 2026-02-04 00:00 |
07:41:44.86 |
-06:19:31.9 |
HIP 37420 |
26.78 |
| 2026-02-04 12:00 |
07:41:41.84 |
-06:19:20.4 |
HIP 37420 |
26.61 |
| 2026-02-05 00:00 |
07:41:38.83 |
-06:19:08.8 |
HIP 37420 |
26.46 |
| 2026-02-05 12:00 |
07:41:35.83 |
-06:18:57.1 |
HIP 37420 |
26.33 |
| 2026-02-06 00:00 |
07:41:32.84 |
-06:18:45.2 |
HIP 37333 |
26.07 |
| 2026-02-06 12:00 |
07:41:29.86 |
-06:18:33.2 |
HIP 37333 |
25.31 |
| 2026-02-07 00:00 |
07:41:26.89 |
-06:18:21.1 |
HIP 37333 |
24.55 |
| 2026-02-07 12:00 |
07:41:23.93 |
-06:18:08.7 |
HIP 37333 |
23.79 |
| 2026-02-08 00:00 |
07:41:20.99 |
-06:17:56.3 |
HIP 37333 |
23.04 |
| 2026-02-08 12:00 |
07:41:18.05 |
-06:17:43.7 |
HIP 37333 |
22.29 |
| 2026-02-09 00:00 |
07:41:15.13 |
-06:17:30.9 |
HIP 37333 |
21.54 |
| 2026-02-09 12:00 |
07:41:12.22 |
-06:17:18.1 |
HIP 37333 |
20.80 |
| 2026-02-10 00:00 |
07:41:09.33 |
-06:17:05.0 |
HIP 37333 |
20.06 |
| 2026-02-10 12:00 |
07:41:06.45 |
-06:16:51.9 |
HIP 37333 |
19.32 |
| 2026-02-11 00:00 |
07:41:03.58 |
-06:16:38.6 |
HIP 37333 |
18.59 |
| 2026-02-11 12:00 |
07:41:00.72 |
-06:16:25.2 |
HIP 37333 |
17.87 |
| 2026-02-12 00:00 |
07:40:57.88 |
-06:16:11.6 |
HIP 37333 |
17.14 |
| 2026-02-12 12:00 |
07:40:55.05 |
-06:15:57.9 |
HIP 37333 |
16.43 |
| 2026-02-13 00:00 |
07:40:52.23 |
-06:15:44.1 |
HIP 37333 |
15.72 |
| 2026-02-13 12:00 |
07:40:49.43 |
-06:15:30.2 |
HIP 37333 |
15.01 |
| 2026-02-14 00:00 |
07:40:46.64 |
-06:15:16.1 |
HIP 37333 |
14.31 |
| 2026-02-14 12:00 |
07:40:43.87 |
-06:15:01.9 |
HIP 37333 |
13.62 |
| 2026-02-15 00:00 |
07:40:41.12 |
-06:14:47.6 |
HIP 37333 |
12.93 |
| 2026-02-15 12:00 |
07:40:38.37 |
-06:14:33.1 |
HIP 37333 |
12.26 |
| 2026-02-16 00:00 |
07:40:35.65 |
-06:14:18.6 |
HIP 37333 |
11.59 |
| 2026-02-16 12:00 |
07:40:32.94 |
-06:14:03.9 |
HIP 37333 |
10.93 |
| 2026-02-17 00:00 |
07:40:30.24 |
-06:13:49.1 |
HIP 37333 |
10.29 |
| 2026-02-17 12:00 |
07:40:27.56 |
-06:13:34.2 |
HIP 37333 |
9.66 |
| 2026-02-18 00:00 |
07:40:24.90 |
-06:13:19.1 |
HIP 37333 |
9.04 |
| 2026-02-18 12:00 |
07:40:22.25 |
-06:13:04.0 |
HIP 37332 |
8.45 |
| 2026-02-19 00:00 |
07:40:19.62 |
-06:12:48.7 |
HIP 37332 |
7.86 |
| 2026-02-19 12:00 |
07:40:17.01 |
-06:12:33.3 |
HIP 37332 |
7.30 |
| 2026-02-20 00:00 |
07:40:14.41 |
-06:12:17.9 |
HIP 37332 |
6.77 |
| 2026-02-20 12:00 |
07:40:11.83 |
-06:12:02.3 |
HIP 37332 |
6.28 |
| 2026-02-21 00:00 |
07:40:09.27 |
-06:11:46.6 |
HIP 37332 |
5.83 |
| 2026-02-21 12:00 |
07:40:06.73 |
-06:11:30.8 |
HIP 37332 |
5.44 |
| 2026-02-22 00:00 |
07:40:04.20 |
-06:11:14.9 |
HIP 37332 |
5.11 |
| 2026-02-22 12:00 |
07:40:01.69 |
-06:10:58.9 |
HIP 37332 |
4.86 |
| 2026-02-23 00:00 |
07:39:59.20 |
-06:10:42.8 |
HIP 37332 |
4.71 |
| 2026-02-23 12:00 |
07:39:56.73 |
-06:10:26.7 |
HIP 37332 |
4.64 |
| 2026-02-24 00:00 |
07:39:54.27 |
-06:10:10.4 |
HIP 37332 |
4.68 |