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) |
| 2026-06-01 00:00 |
07:39:13.99 |
-05:20:39.8 |
HIP 37233 |
9.21 |
| 2026-06-01 12:00 |
07:39:15.90 |
-05:20:34.0 |
HIP 37233 |
9.58 |
| 2026-06-02 00:00 |
07:39:17.84 |
-05:20:28.5 |
HIP 37233 |
9.97 |
| 2026-06-02 12:00 |
07:39:19.78 |
-05:20:23.1 |
HIP 37233 |
10.36 |
| 2026-06-03 00:00 |
07:39:21.74 |
-05:20:17.8 |
HIP 37233 |
10.76 |
| 2026-06-03 12:00 |
07:39:23.72 |
-05:20:12.7 |
HIP 37233 |
11.17 |
| 2026-06-04 00:00 |
07:39:25.71 |
-05:20:07.8 |
HIP 37233 |
11.59 |
| 2026-06-04 12:00 |
07:39:27.72 |
-05:20:03.0 |
HIP 37233 |
12.02 |
| 2026-06-05 00:00 |
07:39:29.74 |
-05:19:58.4 |
HIP 37233 |
12.45 |
| 2026-06-05 12:00 |
07:39:31.77 |
-05:19:53.9 |
HIP 37233 |
12.89 |
| 2026-06-06 00:00 |
07:39:33.82 |
-05:19:49.6 |
HIP 37233 |
13.34 |
| 2026-06-06 12:00 |
07:39:35.88 |
-05:19:45.5 |
HIP 37233 |
13.79 |
| 2026-06-07 00:00 |
07:39:37.96 |
-05:19:41.5 |
HIP 37233 |
14.25 |
| 2026-06-07 12:00 |
07:39:40.05 |
-05:19:37.7 |
HIP 37233 |
14.71 |
| 2026-06-08 00:00 |
07:39:42.16 |
-05:19:34.1 |
HIP 37233 |
15.18 |
| 2026-06-08 12:00 |
07:39:44.27 |
-05:19:30.6 |
HIP 37233 |
15.66 |
| 2026-06-09 00:00 |
07:39:46.41 |
-05:19:27.3 |
HIP 37233 |
16.14 |
| 2026-06-09 12:00 |
07:39:48.55 |
-05:19:24.1 |
HIP 37233 |
16.62 |
| 2026-06-10 00:00 |
07:39:50.71 |
-05:19:21.2 |
HIP 37233 |
17.11 |
| 2026-06-10 12:00 |
07:39:52.88 |
-05:19:18.3 |
HIP 37233 |
17.60 |
| 2026-06-11 00:00 |
07:39:55.06 |
-05:19:15.7 |
HIP 37233 |
18.10 |
| 2026-06-11 12:00 |
07:39:57.26 |
-05:19:13.2 |
HIP 37233 |
18.60 |
| 2026-06-12 00:00 |
07:39:59.47 |
-05:19:10.9 |
HIP 37233 |
19.10 |
| 2026-06-12 12:00 |
07:40:01.69 |
-05:19:08.7 |
HIP 37233 |
19.61 |
| 2026-06-13 00:00 |
07:40:03.92 |
-05:19:06.8 |
HIP 37233 |
20.13 |
| 2026-06-13 12:00 |
07:40:06.17 |
-05:19:05.0 |
HIP 37233 |
20.64 |
| 2026-06-14 00:00 |
07:40:08.42 |
-05:19:03.3 |
HIP 37233 |
21.16 |
| 2026-06-14 12:00 |
07:40:10.69 |
-05:19:01.8 |
HIP 37233 |
21.69 |
| 2026-06-15 00:00 |
07:40:12.97 |
-05:19:00.5 |
HIP 37233 |
22.22 |
| 2026-06-15 12:00 |
07:40:15.26 |
-05:18:59.4 |
HIP 37233 |
22.75 |
| 2026-06-16 00:00 |
07:40:17.56 |
-05:18:58.4 |
HIP 37233 |
23.28 |
| 2026-06-16 12:00 |
07:40:19.88 |
-05:18:57.6 |
HIP 37233 |
23.82 |
| 2026-06-17 00:00 |
07:40:22.20 |
-05:18:57.0 |
HIP 37233 |
24.36 |
| 2026-06-17 12:00 |
07:40:24.53 |
-05:18:56.6 |
HIP 37233 |
24.90 |
| 2026-06-18 00:00 |
07:40:26.88 |
-05:18:56.3 |
HIP 37233 |
25.45 |
| 2026-06-18 12:00 |
07:40:29.23 |
-05:18:56.2 |
HIP 37233 |
26.00 |
| 2026-06-19 00:00 |
07:40:31.59 |
-05:18:56.2 |
HIP 37233 |
26.55 |
| 2026-06-19 12:00 |
07:40:33.97 |
-05:18:56.4 |
HIP 37233 |
27.11 |
| 2026-06-20 00:00 |
07:40:36.35 |
-05:18:56.8 |
HIP 37233 |
27.67 |
| 2026-06-20 12:00 |
07:40:38.74 |
-05:18:57.4 |
HIP 37233 |
28.23 |
| 2026-06-21 00:00 |
07:40:41.14 |
-05:18:58.1 |
HIP 37233 |
28.79 |
| 2026-06-21 12:00 |
07:40:43.55 |
-05:18:59.0 |
HIP 37233 |
29.36 |
| 2026-06-22 00:00 |
07:40:45.97 |
-05:19:00.1 |
HIP 37233 |
29.92 |