메타데이터
| 항목 |
값 |
| Designation |
C/2002 B1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2002-04-20T00:07:40.019520Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:13Z |
| Obs used |
92 |
| NEO |
- |
| M1 |
6.900 |
| K1 |
24.250 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2002-02-09.0000000 |
| e |
0.77101055 |
| q (au) |
2.271129 |
| a (au) |
9.918053 |
| i (deg) |
51.021341 |
| Ω (om, deg) |
58.185425 |
| ω (w, deg) |
76.158399 |
| M (ma, deg) |
357.791001 |
밝기
산란 + 전체 선형
$$
M_a = (9.865 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
9.865 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-1.000 |
| 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 |
01:06:22.27 |
-52:46:09.5 |
HIP 5098 |
10.00 |
| 2026-09-20 12:00 |
01:06:10.35 |
-52:47:00.9 |
HIP 5098 |
8.01 |
| 2026-09-21 00:00 |
01:05:58.38 |
-52:47:51.3 |
HIP 5098 |
6.01 |
| 2026-09-21 12:00 |
01:05:46.36 |
-52:48:40.8 |
HIP 5098 |
4.02 |
| 2026-09-22 00:00 |
01:05:34.30 |
-52:49:29.3 |
HIP 5098 |
2.03 |
| 2026-09-22 12:00 |
01:05:22.18 |
-52:50:16.8 |
HIP 5098 |
0.06 |
| 2026-09-23 00:00 |
01:05:10.02 |
-52:51:03.4 |
HIP 5098 |
1.96 |
| 2026-09-23 12:00 |
01:04:57.82 |
-52:51:48.9 |
HIP 5098 |
3.95 |
| 2026-09-24 00:00 |
01:04:45.57 |
-52:52:33.4 |
HIP 5098 |
5.94 |
| 2026-09-24 12:00 |
01:04:33.28 |
-52:53:16.9 |
HIP 5098 |
7.94 |
| 2026-09-25 00:00 |
01:04:20.95 |
-52:53:59.5 |
HIP 5098 |
9.92 |
| 2026-09-25 12:00 |
01:04:08.58 |
-52:54:41.0 |
HIP 5098 |
11.91 |
| 2026-09-26 00:00 |
01:03:56.17 |
-52:55:21.4 |
HIP 5098 |
13.90 |
| 2026-09-26 12:00 |
01:03:43.72 |
-52:56:00.9 |
HIP 5098 |
15.89 |
| 2026-09-27 00:00 |
01:03:31.24 |
-52:56:39.3 |
HIP 5098 |
17.87 |
| 2026-09-27 12:00 |
01:03:18.72 |
-52:57:16.7 |
HIP 4818 |
18.19 |
| 2026-09-28 00:00 |
01:03:06.17 |
-52:57:53.1 |
HIP 4818 |
16.40 |
| 2026-09-28 12:00 |
01:02:53.59 |
-52:58:28.4 |
HIP 4818 |
14.68 |
| 2026-09-29 00:00 |
01:02:40.98 |
-52:59:02.6 |
HIP 4818 |
13.04 |
| 2026-09-29 12:00 |
01:02:28.34 |
-52:59:35.8 |
HIP 4818 |
11.52 |
| 2026-09-30 00:00 |
01:02:15.67 |
-53:00:08.0 |
HIP 4818 |
10.18 |
| 2026-09-30 12:00 |
01:02:02.97 |
-53:00:39.0 |
HIP 4818 |
9.09 |
| 2026-10-01 00:00 |
01:01:50.25 |
-53:01:09.0 |
HIP 4818 |
8.35 |
| 2026-10-01 12:00 |
01:01:37.51 |
-53:01:38.0 |
HIP 4818 |
8.06 |
| 2026-10-02 00:00 |
01:01:24.74 |
-53:02:05.8 |
HIP 4818 |
8.26 |
| 2026-10-02 12:00 |
01:01:11.95 |
-53:02:32.6 |
HIP 4818 |
8.91 |
| 2026-10-03 00:00 |
01:00:59.14 |
-53:02:58.3 |
HIP 4818 |
9.94 |
| 2026-10-03 12:00 |
01:00:46.32 |
-53:03:22.9 |
HIP 4818 |
11.23 |
| 2026-10-04 00:00 |
01:00:33.47 |
-53:03:46.4 |
HIP 4818 |
12.71 |
| 2026-10-04 12:00 |
01:00:20.61 |
-53:04:08.8 |
HIP 4818 |
14.32 |
| 2026-10-05 00:00 |
01:00:07.74 |
-53:04:30.1 |
HIP 4818 |
16.01 |
| 2026-10-05 12:00 |
00:59:54.85 |
-53:04:50.2 |
HIP 4818 |
17.76 |
| 2026-10-06 00:00 |
00:59:41.95 |
-53:05:09.3 |
HIP 4818 |
19.56 |
| 2026-10-06 12:00 |
00:59:29.05 |
-53:05:27.3 |
HIP 4818 |
21.40 |
| 2026-10-07 00:00 |
00:59:16.13 |
-53:05:44.1 |
HIP 4818 |
23.25 |
| 2026-10-07 12:00 |
00:59:03.21 |
-53:05:59.8 |
HIP 4818 |
25.13 |
| 2026-10-08 00:00 |
00:58:50.28 |
-53:06:14.4 |
HIP 4818 |
27.02 |
| 2026-10-08 12:00 |
00:58:37.35 |
-53:06:27.8 |
HIP 4360 |
25.17 |
| 2026-10-09 00:00 |
00:58:24.42 |
-53:06:40.1 |
HIP 4360 |
23.23 |
| 2026-10-09 12:00 |
00:58:11.49 |
-53:06:51.3 |
HIP 4360 |
21.29 |
| 2026-10-10 00:00 |
00:57:58.55 |
-53:07:01.4 |
HIP 4360 |
19.37 |
| 2026-10-10 12:00 |
00:57:45.63 |
-53:07:10.2 |
HIP 4360 |
17.45 |
| 2026-10-11 00:00 |
00:57:32.70 |
-53:07:18.0 |
HIP 4360 |
15.54 |