메타데이터
| 항목 |
값 |
| Designation |
C/2002 V2 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2003-05-13T16:33:06.503040Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:22Z |
| Obs used |
317 |
| NEO |
- |
| M1 |
11.300 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2003-08-14.0000000 |
| e |
0.99864267 |
| q (au) |
6.812027 |
| a (au) |
5018.714542 |
| i (deg) |
166.776236 |
| Ω (om, deg) |
20.234100 |
| ω (w, deg) |
314.679306 |
| M (ma, deg) |
0.000256 |
밝기
산란 + 전체 선형
$$
M_a = (14.074 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
14.074 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.744 |
| k |
0.800 |
| δ90 |
9.977 |
| 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) |
| 2026-07-29 00:00 |
19:34:27.14 |
-07:57:20.6 |
HIP 96147 |
22.43 |
| 2026-07-29 12:00 |
19:34:23.98 |
-07:57:30.6 |
HIP 96147 |
21.63 |
| 2026-07-30 00:00 |
19:34:20.82 |
-07:57:40.7 |
HIP 96147 |
20.84 |
| 2026-07-30 12:00 |
19:34:17.68 |
-07:57:50.9 |
HIP 96147 |
20.04 |
| 2026-07-31 00:00 |
19:34:14.54 |
-07:58:01.1 |
HIP 96147 |
19.25 |
| 2026-07-31 12:00 |
19:34:11.40 |
-07:58:11.4 |
HIP 96147 |
18.47 |
| 2026-08-01 00:00 |
19:34:08.28 |
-07:58:21.7 |
HIP 96147 |
17.68 |
| 2026-08-01 12:00 |
19:34:05.16 |
-07:58:32.1 |
HIP 96147 |
16.90 |
| 2026-08-02 00:00 |
19:34:02.05 |
-07:58:42.6 |
HIP 96147 |
16.12 |
| 2026-08-02 12:00 |
19:33:58.95 |
-07:58:53.1 |
HIP 96147 |
15.34 |
| 2026-08-03 00:00 |
19:33:55.86 |
-07:59:03.7 |
HIP 96147 |
14.56 |
| 2026-08-03 12:00 |
19:33:52.77 |
-07:59:14.4 |
HIP 96147 |
13.79 |
| 2026-08-04 00:00 |
19:33:49.70 |
-07:59:25.1 |
HIP 96147 |
13.03 |
| 2026-08-04 12:00 |
19:33:46.63 |
-07:59:35.9 |
HIP 96147 |
12.26 |
| 2026-08-05 00:00 |
19:33:43.57 |
-07:59:46.8 |
HIP 96147 |
11.50 |
| 2026-08-05 12:00 |
19:33:40.52 |
-07:59:57.7 |
HIP 96147 |
10.75 |
| 2026-08-06 00:00 |
19:33:37.48 |
-08:00:08.7 |
HIP 96147 |
10.00 |
| 2026-08-06 12:00 |
19:33:34.45 |
-08:00:19.7 |
HIP 96147 |
9.26 |
| 2026-08-07 00:00 |
19:33:31.43 |
-08:00:30.8 |
HIP 96147 |
8.53 |
| 2026-08-07 12:00 |
19:33:28.42 |
-08:00:42.0 |
HIP 96147 |
7.81 |
| 2026-08-08 00:00 |
19:33:25.43 |
-08:00:53.2 |
HIP 96147 |
7.10 |
| 2026-08-08 12:00 |
19:33:22.44 |
-08:01:04.4 |
HIP 96147 |
6.40 |
| 2026-08-09 00:00 |
19:33:19.46 |
-08:01:15.8 |
HIP 96147 |
5.72 |
| 2026-08-09 12:00 |
19:33:16.50 |
-08:01:27.1 |
HIP 96147 |
5.08 |
| 2026-08-10 00:00 |
19:33:13.54 |
-08:01:38.6 |
HIP 96147 |
4.47 |
| 2026-08-10 12:00 |
19:33:10.60 |
-08:01:50.0 |
HIP 96147 |
3.91 |
| 2026-08-11 00:00 |
19:33:07.67 |
-08:02:01.6 |
HIP 96147 |
3.43 |
| 2026-08-11 12:00 |
19:33:04.75 |
-08:02:13.1 |
HIP 96147 |
3.07 |
| 2026-08-12 00:00 |
19:33:01.84 |
-08:02:24.8 |
HIP 96147 |
2.86 |
| 2026-08-12 12:00 |
19:32:58.95 |
-08:02:36.5 |
HIP 96147 |
2.84 |
| 2026-08-13 00:00 |
19:32:56.06 |
-08:02:48.2 |
HIP 96147 |
3.01 |
| 2026-08-13 12:00 |
19:32:53.19 |
-08:03:00.0 |
HIP 96147 |
3.34 |
| 2026-08-14 00:00 |
19:32:50.34 |
-08:03:11.8 |
HIP 96147 |
3.78 |
| 2026-08-14 12:00 |
19:32:47.50 |
-08:03:23.7 |
HIP 96147 |
4.31 |
| 2026-08-15 00:00 |
19:32:44.67 |
-08:03:35.6 |
HIP 96147 |
4.88 |
| 2026-08-15 12:00 |
19:32:41.85 |
-08:03:47.5 |
HIP 96147 |
5.49 |
| 2026-08-16 00:00 |
19:32:39.05 |
-08:03:59.5 |
HIP 96147 |
6.13 |
| 2026-08-16 12:00 |
19:32:36.26 |
-08:04:11.6 |
HIP 96147 |
6.77 |
| 2026-08-17 00:00 |
19:32:33.49 |
-08:04:23.6 |
HIP 96147 |
7.43 |
| 2026-08-17 12:00 |
19:32:30.73 |
-08:04:35.8 |
HIP 96147 |
8.10 |
| 2026-08-18 00:00 |
19:32:27.98 |
-08:04:47.9 |
HIP 96147 |
8.77 |
| 2026-08-18 12:00 |
19:32:25.25 |
-08:05:00.1 |
HIP 96147 |
9.44 |
| 2026-08-19 00:00 |
19:32:22.54 |
-08:05:12.3 |
HIP 96147 |
10.12 |