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
$$
M_a = (0.968 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
0.968 |
| n |
6.000 |
| gf |
0.997 |
| gb |
-0.725 |
| 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) |
| 2026-09-20 00:00 |
07:47:28.49 |
-06:01:59.5 |
HIP 38069 |
12.12 |
| 2026-09-20 12:00 |
07:47:29.61 |
-06:02:22.9 |
HIP 38069 |
12.18 |
| 2026-09-21 00:00 |
07:47:30.71 |
-06:02:46.3 |
HIP 38069 |
12.26 |
| 2026-09-21 12:00 |
07:47:31.78 |
-06:03:09.7 |
HIP 38069 |
12.37 |
| 2026-09-22 00:00 |
07:47:32.83 |
-06:03:33.1 |
HIP 38069 |
12.49 |
| 2026-09-22 12:00 |
07:47:33.87 |
-06:03:56.6 |
HIP 38069 |
12.63 |
| 2026-09-23 00:00 |
07:47:34.88 |
-06:04:20.1 |
HIP 38069 |
12.80 |
| 2026-09-23 12:00 |
07:47:35.87 |
-06:04:43.6 |
HIP 38069 |
12.98 |
| 2026-09-24 00:00 |
07:47:36.83 |
-06:05:07.1 |
HIP 38069 |
13.18 |
| 2026-09-24 12:00 |
07:47:37.78 |
-06:05:30.7 |
HIP 38069 |
13.39 |
| 2026-09-25 00:00 |
07:47:38.70 |
-06:05:54.3 |
HIP 38069 |
13.62 |
| 2026-09-25 12:00 |
07:47:39.60 |
-06:06:17.9 |
HIP 38069 |
13.86 |
| 2026-09-26 00:00 |
07:47:40.48 |
-06:06:41.5 |
HIP 38069 |
14.12 |
| 2026-09-26 12:00 |
07:47:41.34 |
-06:07:05.1 |
HIP 38069 |
14.39 |
| 2026-09-27 00:00 |
07:47:42.18 |
-06:07:28.8 |
HIP 38069 |
14.67 |
| 2026-09-27 12:00 |
07:47:42.99 |
-06:07:52.4 |
HIP 38069 |
14.96 |
| 2026-09-28 00:00 |
07:47:43.78 |
-06:08:16.1 |
HIP 38069 |
15.25 |
| 2026-09-28 12:00 |
07:47:44.54 |
-06:08:39.8 |
HIP 38069 |
15.56 |
| 2026-09-29 00:00 |
07:47:45.29 |
-06:09:03.5 |
HIP 38069 |
15.88 |
| 2026-09-29 12:00 |
07:47:46.01 |
-06:09:27.2 |
HIP 38069 |
16.20 |
| 2026-09-30 00:00 |
07:47:46.71 |
-06:09:50.9 |
HIP 38069 |
16.53 |
| 2026-09-30 12:00 |
07:47:47.39 |
-06:10:14.6 |
HIP 38069 |
16.87 |
| 2026-10-01 00:00 |
07:47:48.04 |
-06:10:38.3 |
HIP 38069 |
17.21 |
| 2026-10-01 12:00 |
07:47:48.67 |
-06:11:02.0 |
HIP 38069 |
17.55 |
| 2026-10-02 00:00 |
07:47:49.28 |
-06:11:25.7 |
HIP 38069 |
17.90 |
| 2026-10-02 12:00 |
07:47:49.86 |
-06:11:49.4 |
HIP 38069 |
18.26 |
| 2026-10-03 00:00 |
07:47:50.42 |
-06:12:13.1 |
HIP 38069 |
18.62 |
| 2026-10-03 12:00 |
07:47:50.96 |
-06:12:36.8 |
HIP 38069 |
18.98 |
| 2026-10-04 00:00 |
07:47:51.47 |
-06:13:00.5 |
HIP 38069 |
19.35 |
| 2026-10-04 12:00 |
07:47:51.96 |
-06:13:24.2 |
HIP 38069 |
19.72 |
| 2026-10-05 00:00 |
07:47:52.42 |
-06:13:47.9 |
HIP 38069 |
20.09 |
| 2026-10-05 12:00 |
07:47:52.87 |
-06:14:11.6 |
HIP 38069 |
20.46 |
| 2026-10-06 00:00 |
07:47:53.28 |
-06:14:35.2 |
HIP 37940 |
20.49 |
| 2026-10-06 12:00 |
07:47:53.68 |
-06:14:58.9 |
HIP 37940 |
20.48 |
| 2026-10-07 00:00 |
07:47:54.05 |
-06:15:22.5 |
HIP 37940 |
20.47 |
| 2026-10-07 12:00 |
07:47:54.39 |
-06:15:46.1 |
HIP 37940 |
20.46 |
| 2026-10-08 00:00 |
07:47:54.72 |
-06:16:09.7 |
HIP 37940 |
20.45 |
| 2026-10-08 12:00 |
07:47:55.01 |
-06:16:33.3 |
HIP 37940 |
20.44 |
| 2026-10-09 00:00 |
07:47:55.29 |
-06:16:56.8 |
HIP 37940 |
20.44 |
| 2026-10-09 12:00 |
07:47:55.54 |
-06:17:20.4 |
HIP 37940 |
20.44 |
| 2026-10-10 00:00 |
07:47:55.76 |
-06:17:43.9 |
HIP 37940 |
20.44 |
| 2026-10-10 12:00 |
07:47:55.96 |
-06:18:07.4 |
HIP 37940 |
20.44 |
| 2026-10-11 00:00 |
07:47:56.13 |
-06:18:30.8 |
HIP 37940 |
20.44 |