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) |
| 2026-03-26 00:00 |
00:25:47.48 |
+22:00:45.9 |
HIP 2193 |
27.14 |
| 2026-03-26 12:00 |
00:25:49.96 |
+22:01:00.2 |
HIP 2193 |
26.54 |
| 2026-03-27 00:00 |
00:25:52.44 |
+22:01:14.7 |
HIP 2193 |
25.93 |
| 2026-03-27 12:00 |
00:25:54.92 |
+22:01:29.2 |
HIP 2193 |
25.32 |
| 2026-03-28 00:00 |
00:25:57.40 |
+22:01:43.9 |
HIP 2193 |
24.71 |
| 2026-03-28 12:00 |
00:25:59.88 |
+22:01:58.6 |
HIP 2193 |
24.10 |
| 2026-03-29 00:00 |
00:26:02.36 |
+22:02:13.5 |
HIP 2193 |
23.50 |
| 2026-03-29 12:00 |
00:26:04.84 |
+22:02:28.5 |
HIP 2193 |
22.89 |
| 2026-03-30 00:00 |
00:26:07.32 |
+22:02:43.6 |
HIP 2193 |
22.29 |
| 2026-03-30 12:00 |
00:26:09.80 |
+22:02:58.8 |
HIP 2193 |
21.69 |
| 2026-03-31 00:00 |
00:26:12.27 |
+22:03:14.1 |
HIP 2193 |
21.09 |
| 2026-03-31 12:00 |
00:26:14.75 |
+22:03:29.5 |
HIP 2193 |
20.49 |
| 2026-04-01 00:00 |
00:26:17.22 |
+22:03:45.0 |
HIP 2193 |
19.89 |
| 2026-04-01 12:00 |
00:26:19.69 |
+22:04:00.6 |
HIP 2193 |
19.29 |
| 2026-04-02 00:00 |
00:26:22.16 |
+22:04:16.3 |
HIP 2193 |
18.70 |
| 2026-04-02 12:00 |
00:26:24.63 |
+22:04:32.1 |
HIP 2193 |
18.11 |
| 2026-04-03 00:00 |
00:26:27.10 |
+22:04:48.0 |
HIP 2193 |
17.53 |
| 2026-04-03 12:00 |
00:26:29.56 |
+22:05:04.0 |
HIP 2193 |
16.94 |
| 2026-04-04 00:00 |
00:26:32.02 |
+22:05:20.0 |
HIP 2193 |
16.36 |
| 2026-04-04 12:00 |
00:26:34.48 |
+22:05:36.2 |
HIP 2193 |
15.79 |
| 2026-04-05 00:00 |
00:26:36.94 |
+22:05:52.5 |
HIP 2193 |
15.22 |
| 2026-04-05 12:00 |
00:26:39.39 |
+22:06:08.9 |
HIP 2193 |
14.66 |
| 2026-04-06 00:00 |
00:26:41.84 |
+22:06:25.3 |
HIP 2193 |
14.10 |
| 2026-04-06 12:00 |
00:26:44.28 |
+22:06:41.9 |
HIP 2193 |
13.55 |
| 2026-04-07 00:00 |
00:26:46.73 |
+22:06:58.5 |
HIP 2193 |
13.01 |
| 2026-04-07 12:00 |
00:26:49.16 |
+22:07:15.3 |
HIP 2193 |
12.48 |
| 2026-04-08 00:00 |
00:26:51.60 |
+22:07:32.1 |
HIP 2193 |
11.96 |
| 2026-04-08 12:00 |
00:26:54.03 |
+22:07:49.0 |
HIP 2193 |
11.45 |
| 2026-04-09 00:00 |
00:26:56.46 |
+22:08:06.0 |
HIP 2193 |
10.96 |
| 2026-04-09 12:00 |
00:26:58.88 |
+22:08:23.0 |
HIP 2193 |
10.48 |
| 2026-04-10 00:00 |
00:27:01.29 |
+22:08:40.2 |
HIP 2193 |
10.02 |
| 2026-04-10 12:00 |
00:27:03.71 |
+22:08:57.4 |
HIP 2193 |
9.57 |
| 2026-04-11 00:00 |
00:27:06.11 |
+22:09:14.7 |
HIP 2193 |
9.16 |
| 2026-04-11 12:00 |
00:27:08.52 |
+22:09:32.1 |
HIP 2193 |
8.77 |
| 2026-04-12 00:00 |
00:27:10.91 |
+22:09:49.6 |
HIP 2193 |
8.41 |
| 2026-04-12 12:00 |
00:27:13.31 |
+22:10:07.1 |
HIP 2193 |
8.08 |
| 2026-04-13 00:00 |
00:27:15.69 |
+22:10:24.7 |
HIP 2193 |
7.80 |
| 2026-04-13 12:00 |
00:27:18.07 |
+22:10:42.4 |
HIP 2193 |
7.55 |
| 2026-04-14 00:00 |
00:27:20.45 |
+22:11:00.2 |
HIP 2193 |
7.36 |
| 2026-04-14 12:00 |
00:27:22.81 |
+22:11:18.0 |
HIP 2193 |
7.21 |
| 2026-04-15 00:00 |
00:27:25.18 |
+22:11:35.9 |
HIP 2193 |
7.12 |
| 2026-04-15 12:00 |
00:27:27.53 |
+22:11:53.9 |
HIP 2193 |
7.08 |
| 2026-04-16 00:00 |
00:27:29.88 |
+22:12:11.9 |
HIP 2193 |
7.10 |