메타데이터
| 항목 |
값 |
| Designation |
C/2017 B3 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2019-02-02T14:22:55.968960Z |
| Orbit solution date (soln_date, UTC) |
2022-07-31T01:42:28Z |
| Obs used |
1591 |
| NEO |
- |
| M1 |
6.300 |
| K1 |
9.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2019-11-01.0000000 |
| e |
1.00205503 |
| q (au) |
3.921429 |
| a (au) |
-1908.207887 |
| i (deg) |
54.177778 |
| Ω (om, deg) |
2.178286 |
| ω (w, deg) |
284.767790 |
| M (ma, deg) |
0.003209 |
밝기
산란 + 전체 선형
$$
M_a = (8.267 + 4.444\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
8.267 |
| n |
4.444 |
| gf |
1.000 |
| gb |
-0.790 |
| k |
0.800 |
| 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 |
| 2016-03-04 |
2017-03-10 |
+20.0904 |
-16.483 |
| 2017-03-10 |
2019-02-01 |
+0.1708 |
+0.419 |
| 2019-03-27 |
2019-11-19 |
-14.3328 |
+9.294 |
| 2019-11-19 |
2020-11-13 |
+1.1970 |
-1.243 |
| 2020-11-13 |
2022-01-01 |
+11.4957 |
-9.995 |
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 |
01:18:32.01 |
+47:59:07.0 |
HIP 6073 |
19.16 |
| 2026-06-01 12:00 |
01:18:38.12 |
+48:00:23.4 |
HIP 6073 |
20.69 |
| 2026-06-02 00:00 |
01:18:44.18 |
+48:01:39.9 |
HIP 6073 |
22.23 |
| 2026-06-02 12:00 |
01:18:50.19 |
+48:02:56.5 |
HIP 6073 |
23.78 |
| 2026-06-03 00:00 |
01:18:56.16 |
+48:04:13.3 |
HIP 5939 |
25.34 |
| 2026-06-03 12:00 |
01:19:02.07 |
+48:05:30.3 |
HIP 6349 |
25.19 |
| 2026-06-04 00:00 |
01:19:07.93 |
+48:06:47.3 |
HIP 6349 |
24.27 |
| 2026-06-04 12:00 |
01:19:13.74 |
+48:08:04.5 |
HIP 6349 |
23.45 |
| 2026-06-05 00:00 |
01:19:19.50 |
+48:09:21.8 |
HIP 6349 |
22.72 |
| 2026-06-05 12:00 |
01:19:25.20 |
+48:10:39.3 |
HIP 6349 |
22.09 |
| 2026-06-06 00:00 |
01:19:30.85 |
+48:11:56.8 |
HIP 6349 |
21.57 |
| 2026-06-06 12:00 |
01:19:36.45 |
+48:13:14.5 |
HIP 6349 |
21.17 |
| 2026-06-07 00:00 |
01:19:42.00 |
+48:14:32.3 |
HIP 6349 |
20.89 |
| 2026-06-07 12:00 |
01:19:47.49 |
+48:15:50.2 |
HIP 6349 |
20.74 |
| 2026-06-08 00:00 |
01:19:52.93 |
+48:17:08.2 |
HIP 6349 |
20.72 |
| 2026-06-08 12:00 |
01:19:58.31 |
+48:18:26.3 |
HIP 6349 |
20.84 |
| 2026-06-09 00:00 |
01:20:03.64 |
+48:19:44.5 |
HIP 6349 |
21.07 |
| 2026-06-09 12:00 |
01:20:08.92 |
+48:21:02.8 |
HIP 6381 |
20.22 |
| 2026-06-10 00:00 |
01:20:14.14 |
+48:22:21.2 |
HIP 6381 |
18.90 |
| 2026-06-10 12:00 |
01:20:19.30 |
+48:23:39.7 |
HIP 6381 |
17.63 |
| 2026-06-11 00:00 |
01:20:24.40 |
+48:24:58.3 |
HIP 6381 |
16.42 |
| 2026-06-11 12:00 |
01:20:29.45 |
+48:26:16.9 |
HIP 6381 |
15.29 |
| 2026-06-12 00:00 |
01:20:34.44 |
+48:27:35.6 |
HIP 6381 |
14.24 |
| 2026-06-12 12:00 |
01:20:39.37 |
+48:28:54.4 |
HIP 6381 |
13.31 |
| 2026-06-13 00:00 |
01:20:44.25 |
+48:30:13.3 |
HIP 6381 |
12.50 |
| 2026-06-13 12:00 |
01:20:49.06 |
+48:31:32.3 |
HIP 6381 |
11.86 |
| 2026-06-14 00:00 |
01:20:53.82 |
+48:32:51.3 |
HIP 6381 |
11.40 |
| 2026-06-14 12:00 |
01:20:58.52 |
+48:34:10.3 |
HIP 6381 |
11.14 |
| 2026-06-15 00:00 |
01:21:03.16 |
+48:35:29.4 |
HIP 6381 |
11.10 |
| 2026-06-15 12:00 |
01:21:07.73 |
+48:36:48.6 |
HIP 6381 |
11.27 |
| 2026-06-16 00:00 |
01:21:12.25 |
+48:38:07.8 |
HIP 6381 |
11.65 |
| 2026-06-16 12:00 |
01:21:16.70 |
+48:39:27.0 |
HIP 6381 |
12.22 |
| 2026-06-17 00:00 |
01:21:21.10 |
+48:40:46.3 |
HIP 6381 |
12.95 |
| 2026-06-17 12:00 |
01:21:25.43 |
+48:42:05.6 |
HIP 6381 |
13.80 |
| 2026-06-18 00:00 |
01:21:29.70 |
+48:43:25.0 |
HIP 6381 |
14.77 |
| 2026-06-18 12:00 |
01:21:33.91 |
+48:44:44.4 |
HIP 6381 |
15.82 |
| 2026-06-19 00:00 |
01:21:38.05 |
+48:46:03.8 |
HIP 6381 |
16.94 |
| 2026-06-19 12:00 |
01:21:42.13 |
+48:47:23.2 |
HIP 6381 |
18.12 |
| 2026-06-20 00:00 |
01:21:46.15 |
+48:48:42.6 |
HIP 6381 |
19.34 |
| 2026-06-20 12:00 |
01:21:50.10 |
+48:50:02.0 |
HIP 6381 |
20.59 |
| 2026-06-21 00:00 |
01:21:53.99 |
+48:51:21.5 |
HIP 6381 |
21.88 |
| 2026-06-21 12:00 |
01:21:57.82 |
+48:52:40.9 |
HIP 6381 |
23.18 |
| 2026-06-22 00:00 |
01:22:01.58 |
+48:54:00.4 |
HIP 6381 |
24.51 |