메타데이터
| 항목 |
값 |
| Designation |
C/2004 B1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2006-02-07T21:19:48.656640Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:36Z |
| Obs used |
1832 |
| NEO |
- |
| M1 |
12.300 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2006-04-08.0000000 |
| e |
1.00130658 |
| q (au) |
1.601945 |
| a (au) |
-1226.056929 |
| i (deg) |
114.096847 |
| Ω (om, deg) |
272.801879 |
| ω (w, deg) |
327.900869 |
| M (ma, deg) |
0.001357 |
밝기
산란 + 전체 선형
$$
M_a = (12.202 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.202 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.888 |
| k |
0.984 |
| δ90 |
9.997 |
| 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
잔차 (구간 선형)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| 시작일 (UTC) |
끝 (UTC) |
a |
b |
| 2004-01-28 |
2004-09-29 |
+13.6677 |
-11.312 |
| 2004-09-29 |
2005-01-16 |
-0.8818 |
-0.030 |
| 2005-01-16 |
2005-10-02 |
+2.3681 |
-2.742 |
| 2005-10-02 |
2005-12-24 |
-13.2191 |
+2.440 |
| 2006-03-13 |
2006-06-07 |
+23.6892 |
-8.038 |
| 2006-06-07 |
2006-08-02 |
-7.5231 |
+3.109 |
| 2006-08-02 |
2006-09-09 |
-16.0328 |
+7.184 |
| 2006-09-09 |
2008-08-24 |
+2.9106 |
-2.019 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
09:47:31.41 |
+65:11:12.6 |
HIP 48209 |
15.53 |
| 2026-06-01 12:00 |
09:47:32.86 |
+65:10:37.0 |
HIP 48209 |
15.67 |
| 2026-06-02 00:00 |
09:47:34.36 |
+65:10:01.4 |
HIP 48209 |
15.84 |
| 2026-06-02 12:00 |
09:47:35.91 |
+65:09:25.9 |
HIP 48209 |
16.02 |
| 2026-06-03 00:00 |
09:47:37.51 |
+65:08:50.4 |
HIP 48209 |
16.22 |
| 2026-06-03 12:00 |
09:47:39.16 |
+65:08:14.8 |
HIP 48132 |
16.25 |
| 2026-06-04 00:00 |
09:47:40.86 |
+65:07:39.4 |
HIP 48132 |
15.64 |
| 2026-06-04 12:00 |
09:47:42.61 |
+65:07:03.9 |
HIP 48132 |
15.03 |
| 2026-06-05 00:00 |
09:47:44.40 |
+65:06:28.5 |
HIP 48132 |
14.42 |
| 2026-06-05 12:00 |
09:47:46.25 |
+65:05:53.1 |
HIP 48132 |
13.80 |
| 2026-06-06 00:00 |
09:47:48.15 |
+65:05:17.7 |
HIP 48132 |
13.19 |
| 2026-06-06 12:00 |
09:47:50.09 |
+65:04:42.4 |
HIP 48132 |
12.57 |
| 2026-06-07 00:00 |
09:47:52.09 |
+65:04:07.1 |
HIP 48132 |
11.96 |
| 2026-06-07 12:00 |
09:47:54.13 |
+65:03:31.9 |
HIP 48132 |
11.34 |
| 2026-06-08 00:00 |
09:47:56.22 |
+65:02:56.7 |
HIP 48132 |
10.72 |
| 2026-06-08 12:00 |
09:47:58.36 |
+65:02:21.5 |
HIP 48132 |
10.10 |
| 2026-06-09 00:00 |
09:48:00.54 |
+65:01:46.4 |
HIP 48132 |
9.48 |
| 2026-06-09 12:00 |
09:48:02.77 |
+65:01:11.3 |
HIP 48132 |
8.86 |
| 2026-06-10 00:00 |
09:48:05.05 |
+65:00:36.3 |
HIP 48132 |
8.24 |
| 2026-06-10 12:00 |
09:48:07.38 |
+65:00:01.4 |
HIP 48132 |
7.61 |
| 2026-06-11 00:00 |
09:48:09.75 |
+64:59:26.5 |
HIP 48132 |
6.99 |
| 2026-06-11 12:00 |
09:48:12.18 |
+64:58:51.6 |
HIP 48132 |
6.37 |
| 2026-06-12 00:00 |
09:48:14.64 |
+64:58:16.8 |
HIP 48132 |
5.74 |
| 2026-06-12 12:00 |
09:48:17.15 |
+64:57:42.1 |
HIP 48132 |
5.12 |
| 2026-06-13 00:00 |
09:48:19.71 |
+64:57:07.5 |
HIP 48132 |
4.50 |
| 2026-06-13 12:00 |
09:48:22.32 |
+64:56:32.9 |
HIP 48132 |
3.89 |
| 2026-06-14 00:00 |
09:48:24.97 |
+64:55:58.4 |
HIP 48132 |
3.27 |
| 2026-06-14 12:00 |
09:48:27.66 |
+64:55:23.9 |
HIP 48132 |
2.67 |
| 2026-06-15 00:00 |
09:48:30.40 |
+64:54:49.5 |
HIP 48132 |
2.10 |
| 2026-06-15 12:00 |
09:48:33.19 |
+64:54:15.3 |
HIP 48132 |
1.56 |
| 2026-06-16 00:00 |
09:48:36.01 |
+64:53:41.0 |
HIP 48132 |
1.14 |
| 2026-06-16 12:00 |
09:48:38.89 |
+64:53:06.9 |
HIP 48132 |
1.00 |
| 2026-06-17 00:00 |
09:48:41.80 |
+64:52:32.9 |
HIP 48132 |
1.23 |
| 2026-06-17 12:00 |
09:48:44.76 |
+64:51:58.9 |
HIP 48132 |
1.69 |
| 2026-06-18 00:00 |
09:48:47.76 |
+64:51:25.0 |
HIP 48132 |
2.24 |
| 2026-06-18 12:00 |
09:48:50.81 |
+64:50:51.2 |
HIP 48132 |
2.83 |
| 2026-06-19 00:00 |
09:48:53.89 |
+64:50:17.5 |
HIP 48132 |
3.45 |
| 2026-06-19 12:00 |
09:48:57.02 |
+64:49:43.9 |
HIP 48132 |
4.07 |
| 2026-06-20 00:00 |
09:49:00.19 |
+64:49:10.4 |
HIP 48132 |
4.70 |
| 2026-06-20 12:00 |
09:49:03.41 |
+64:48:37.0 |
HIP 48132 |
5.34 |
| 2026-06-21 00:00 |
09:49:06.66 |
+64:48:03.7 |
HIP 48132 |
5.98 |
| 2026-06-21 12:00 |
09:49:09.95 |
+64:47:30.5 |
HIP 48132 |
6.62 |
| 2026-06-22 00:00 |
09:49:13.29 |
+64:46:57.4 |
HIP 48132 |
7.27 |