메타데이터
| 항목 |
값 |
| Designation |
C/2001 B1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2000-09-19T09:58:55.704000Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:08Z |
| Obs used |
167 |
| NEO |
- |
| M1 |
12.500 |
| K1 |
4.750 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2001-07-30.0000000 |
| e |
1.00122950 |
| q (au) |
2.928437 |
| a (au) |
-2381.818640 |
| i (deg) |
104.111145 |
| Ω (om, deg) |
49.841263 |
| ω (w, deg) |
284.848753 |
| M (ma, deg) |
0.002659 |
밝기
산란 + 전체 선형
$$
M_a = (13.343 + 2.688\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
13.343 |
| n |
2.688 |
| gf |
1.000 |
| gb |
-0.669 |
| k |
0.800 |
| 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) |
| 2026-07-29 00:00 |
21:01:34.77 |
+62:28:48.9 |
HIP 103772 |
21.53 |
| 2026-07-29 12:00 |
21:01:29.30 |
+62:28:50.8 |
HIP 103772 |
21.60 |
| 2026-07-30 00:00 |
21:01:23.82 |
+62:28:52.4 |
HIP 103772 |
21.68 |
| 2026-07-30 12:00 |
21:01:18.34 |
+62:28:53.6 |
HIP 103772 |
21.77 |
| 2026-07-31 00:00 |
21:01:12.85 |
+62:28:54.5 |
HIP 103772 |
21.87 |
| 2026-07-31 12:00 |
21:01:07.36 |
+62:28:55.1 |
HIP 103772 |
21.99 |
| 2026-08-01 00:00 |
21:01:01.86 |
+62:28:55.4 |
HIP 103772 |
22.12 |
| 2026-08-01 12:00 |
21:00:56.36 |
+62:28:55.3 |
HIP 103772 |
22.27 |
| 2026-08-02 00:00 |
21:00:50.85 |
+62:28:54.9 |
HIP 103772 |
22.42 |
| 2026-08-02 12:00 |
21:00:45.34 |
+62:28:54.2 |
HIP 103772 |
22.59 |
| 2026-08-03 00:00 |
21:00:39.84 |
+62:28:53.1 |
HIP 103772 |
22.77 |
| 2026-08-03 12:00 |
21:00:34.32 |
+62:28:51.8 |
HIP 103772 |
22.96 |
| 2026-08-04 00:00 |
21:00:28.81 |
+62:28:50.1 |
HIP 103772 |
23.16 |
| 2026-08-04 12:00 |
21:00:23.30 |
+62:28:48.0 |
HIP 103772 |
23.37 |
| 2026-08-05 00:00 |
21:00:17.78 |
+62:28:45.7 |
HIP 103772 |
23.59 |
| 2026-08-05 12:00 |
21:00:12.26 |
+62:28:43.0 |
HIP 103772 |
23.83 |
| 2026-08-06 00:00 |
21:00:06.75 |
+62:28:39.9 |
HIP 103772 |
24.07 |
| 2026-08-06 12:00 |
21:00:01.23 |
+62:28:36.6 |
HIP 103385 |
24.10 |
| 2026-08-07 00:00 |
20:59:55.72 |
+62:28:32.9 |
HIP 103385 |
23.52 |
| 2026-08-07 12:00 |
20:59:50.20 |
+62:28:28.9 |
HIP 103385 |
22.96 |
| 2026-08-08 00:00 |
20:59:44.69 |
+62:28:24.6 |
HIP 103385 |
22.39 |
| 2026-08-08 12:00 |
20:59:39.18 |
+62:28:19.9 |
HIP 103385 |
21.84 |
| 2026-08-09 00:00 |
20:59:33.68 |
+62:28:14.9 |
HIP 103385 |
21.29 |
| 2026-08-09 12:00 |
20:59:28.17 |
+62:28:09.6 |
HIP 103385 |
20.75 |
| 2026-08-10 00:00 |
20:59:22.67 |
+62:28:04.0 |
HIP 103385 |
20.22 |
| 2026-08-10 12:00 |
20:59:17.18 |
+62:27:58.0 |
HIP 103385 |
19.70 |
| 2026-08-11 00:00 |
20:59:11.68 |
+62:27:51.7 |
HIP 103385 |
19.18 |
| 2026-08-11 12:00 |
20:59:06.20 |
+62:27:45.0 |
HIP 103385 |
18.68 |
| 2026-08-12 00:00 |
20:59:00.71 |
+62:27:38.1 |
HIP 103385 |
18.19 |
| 2026-08-12 12:00 |
20:58:55.24 |
+62:27:30.8 |
HIP 103385 |
17.72 |
| 2026-08-13 00:00 |
20:58:49.77 |
+62:27:23.2 |
HIP 103385 |
17.25 |
| 2026-08-13 12:00 |
20:58:44.30 |
+62:27:15.2 |
HIP 103385 |
16.81 |
| 2026-08-14 00:00 |
20:58:38.85 |
+62:27:06.9 |
HIP 103385 |
16.38 |
| 2026-08-14 12:00 |
20:58:33.40 |
+62:26:58.3 |
HIP 103385 |
15.97 |
| 2026-08-15 00:00 |
20:58:27.96 |
+62:26:49.4 |
HIP 103385 |
15.58 |
| 2026-08-15 12:00 |
20:58:22.53 |
+62:26:40.2 |
HIP 103385 |
15.21 |
| 2026-08-16 00:00 |
20:58:17.11 |
+62:26:30.6 |
HIP 103385 |
14.86 |
| 2026-08-16 12:00 |
20:58:11.69 |
+62:26:20.7 |
HIP 103385 |
14.54 |
| 2026-08-17 00:00 |
20:58:06.29 |
+62:26:10.5 |
HIP 103385 |
14.25 |
| 2026-08-17 12:00 |
20:58:00.89 |
+62:26:00.0 |
HIP 103385 |
13.98 |
| 2026-08-18 00:00 |
20:57:55.51 |
+62:25:49.1 |
HIP 103385 |
13.75 |
| 2026-08-18 12:00 |
20:57:50.14 |
+62:25:38.0 |
HIP 103385 |
13.55 |
| 2026-08-19 00:00 |
20:57:44.78 |
+62:25:26.5 |
HIP 103385 |
13.38 |