메타데이터
| 항목 |
값 |
| Designation |
C/2002 B2 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2002-04-06T19:53:33.659520Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:13Z |
| Obs used |
52 |
| NEO |
- |
| M1 |
10.100 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2002-02-21.0000000 |
| e |
0.99722476 |
| q (au) |
3.842167 |
| a (au) |
1384.445431 |
| i (deg) |
152.872587 |
| Ω (om, deg) |
54.316972 |
| ω (w, deg) |
257.070080 |
| M (ma, deg) |
359.999142 |
밝기
산란 + 전체 선형
$$
M_a = (12.373 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.373 |
| n |
2.000 |
| gf |
0.800 |
| gb |
-0.500 |
| k |
1.000 |
| δ90 |
2.174 |
| 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 |
00:29:18.50 |
+22:28:49.2 |
HIP 2365 |
13.20 |
| 2026-05-12 12:00 |
00:29:20.26 |
+22:29:08.9 |
HIP 2365 |
12.95 |
| 2026-05-13 00:00 |
00:29:22.00 |
+22:29:28.6 |
HIP 2365 |
12.72 |
| 2026-05-13 12:00 |
00:29:23.73 |
+22:29:48.3 |
HIP 2365 |
12.51 |
| 2026-05-14 00:00 |
00:29:25.44 |
+22:30:08.0 |
HIP 2365 |
12.32 |
| 2026-05-14 12:00 |
00:29:27.14 |
+22:30:27.7 |
HIP 2365 |
12.15 |
| 2026-05-15 00:00 |
00:29:28.82 |
+22:30:47.4 |
HIP 2365 |
12.00 |
| 2026-05-15 12:00 |
00:29:30.48 |
+22:31:07.1 |
HIP 2365 |
11.88 |
| 2026-05-16 00:00 |
00:29:32.13 |
+22:31:26.7 |
HIP 2365 |
11.78 |
| 2026-05-16 12:00 |
00:29:33.77 |
+22:31:46.4 |
HIP 2365 |
11.70 |
| 2026-05-17 00:00 |
00:29:35.38 |
+22:32:06.0 |
HIP 2365 |
11.65 |
| 2026-05-17 12:00 |
00:29:36.98 |
+22:32:25.6 |
HIP 2365 |
11.62 |
| 2026-05-18 00:00 |
00:29:38.57 |
+22:32:45.2 |
HIP 2365 |
11.62 |
| 2026-05-18 12:00 |
00:29:40.14 |
+22:33:04.8 |
HIP 2365 |
11.63 |
| 2026-05-19 00:00 |
00:29:41.69 |
+22:33:24.4 |
HIP 2365 |
11.67 |
| 2026-05-19 12:00 |
00:29:43.22 |
+22:33:43.9 |
HIP 2365 |
11.73 |
| 2026-05-20 00:00 |
00:29:44.74 |
+22:34:03.4 |
HIP 2365 |
11.81 |
| 2026-05-20 12:00 |
00:29:46.24 |
+22:34:22.9 |
HIP 2365 |
11.92 |
| 2026-05-21 00:00 |
00:29:47.72 |
+22:34:42.4 |
HIP 2365 |
12.04 |
| 2026-05-21 12:00 |
00:29:49.18 |
+22:35:01.8 |
HIP 2365 |
12.18 |
| 2026-05-22 00:00 |
00:29:50.63 |
+22:35:21.2 |
HIP 2365 |
12.34 |
| 2026-05-22 12:00 |
00:29:52.06 |
+22:35:40.6 |
HIP 2365 |
12.51 |
| 2026-05-23 00:00 |
00:29:53.48 |
+22:36:00.0 |
HIP 2365 |
12.70 |
| 2026-05-23 12:00 |
00:29:54.87 |
+22:36:19.2 |
HIP 2397 |
12.88 |
| 2026-05-24 00:00 |
00:29:56.25 |
+22:36:38.5 |
HIP 2397 |
12.43 |
| 2026-05-24 12:00 |
00:29:57.61 |
+22:36:57.7 |
HIP 2397 |
11.99 |
| 2026-05-25 00:00 |
00:29:58.95 |
+22:37:17.0 |
HIP 2397 |
11.54 |
| 2026-05-25 12:00 |
00:30:00.27 |
+22:37:36.1 |
HIP 2397 |
11.10 |
| 2026-05-26 00:00 |
00:30:01.57 |
+22:37:55.3 |
HIP 2397 |
10.66 |
| 2026-05-26 12:00 |
00:30:02.86 |
+22:38:14.3 |
HIP 2397 |
10.23 |
| 2026-05-27 00:00 |
00:30:04.13 |
+22:38:33.4 |
HIP 2397 |
9.80 |
| 2026-05-27 12:00 |
00:30:05.38 |
+22:38:52.4 |
HIP 2397 |
9.37 |
| 2026-05-28 00:00 |
00:30:06.61 |
+22:39:11.4 |
HIP 2397 |
8.95 |
| 2026-05-28 12:00 |
00:30:07.82 |
+22:39:30.3 |
HIP 2397 |
8.53 |
| 2026-05-29 00:00 |
00:30:09.01 |
+22:39:49.2 |
HIP 2397 |
8.11 |
| 2026-05-29 12:00 |
00:30:10.19 |
+22:40:08.0 |
HIP 2397 |
7.69 |
| 2026-05-30 00:00 |
00:30:11.34 |
+22:40:26.8 |
HIP 2397 |
7.28 |
| 2026-05-30 12:00 |
00:30:12.48 |
+22:40:45.5 |
HIP 2397 |
6.88 |
| 2026-05-31 00:00 |
00:30:13.59 |
+22:41:04.2 |
HIP 2397 |
6.47 |
| 2026-05-31 12:00 |
00:30:14.69 |
+22:41:22.8 |
HIP 2397 |
6.07 |
| 2026-06-01 00:00 |
00:30:15.77 |
+22:41:41.4 |
HIP 2397 |
5.67 |
| 2026-06-01 12:00 |
00:30:16.83 |
+22:42:00.0 |
HIP 2397 |
5.28 |
| 2026-06-02 00:00 |
00:30:17.87 |
+22:42:18.4 |
HIP 2397 |
4.89 |