메타데이터
| 항목 |
값 |
| Designation |
C/2014 B1 (Schwartz) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2017-09-10T20:55:53.734080Z |
| Orbit solution date (soln_date, UTC) |
2022-04-30T03:12:27Z |
| Obs used |
1276 |
| NEO |
- |
| M1 |
6.200 |
| K1 |
6.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2018-02-16.0000000 |
| e |
1.00321505 |
| q (au) |
9.556680 |
| a (au) |
-2972.479051 |
| i (deg) |
28.375526 |
| Ω (om, deg) |
161.394483 |
| ω (w, deg) |
345.859143 |
| M (ma, deg) |
0.000962 |
밝기
산란 + 전체 선형
$$
M_a = (-3.000 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
-3.000 |
| n |
6.000 |
| gf |
0.904 |
| gb |
-0.937 |
| k |
1.000 |
| δ90 |
4.685 |
| 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 |
| 2014-01-28 |
2017-06-16 |
+8.9131 |
-9.152 |
| 2017-11-15 |
2022-04-24 |
+7.9405 |
-8.012 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-07-29 00:00 |
15:46:48.47 |
+08:44:19.2 |
HIP 77175 |
20.45 |
| 2026-07-29 12:00 |
15:46:47.62 |
+08:43:42.8 |
HIP 77175 |
20.10 |
| 2026-07-30 00:00 |
15:46:46.82 |
+08:43:06.1 |
HIP 77175 |
19.78 |
| 2026-07-30 12:00 |
15:46:46.07 |
+08:42:29.1 |
HIP 77175 |
19.49 |
| 2026-07-31 00:00 |
15:46:45.37 |
+08:41:51.9 |
HIP 77175 |
19.22 |
| 2026-07-31 12:00 |
15:46:44.71 |
+08:41:14.5 |
HIP 77175 |
18.98 |
| 2026-08-01 00:00 |
15:46:44.11 |
+08:40:36.8 |
HIP 77276 |
18.46 |
| 2026-08-01 12:00 |
15:46:43.55 |
+08:39:58.9 |
HIP 77276 |
17.82 |
| 2026-08-02 00:00 |
15:46:43.04 |
+08:39:20.7 |
HIP 77276 |
17.18 |
| 2026-08-02 12:00 |
15:46:42.58 |
+08:38:42.4 |
HIP 77276 |
16.54 |
| 2026-08-03 00:00 |
15:46:42.17 |
+08:38:03.8 |
HIP 77276 |
15.89 |
| 2026-08-03 12:00 |
15:46:41.80 |
+08:37:25.0 |
HIP 77276 |
15.24 |
| 2026-08-04 00:00 |
15:46:41.49 |
+08:36:45.9 |
HIP 77276 |
14.59 |
| 2026-08-04 12:00 |
15:46:41.23 |
+08:36:06.6 |
HIP 77276 |
13.93 |
| 2026-08-05 00:00 |
15:46:41.01 |
+08:35:27.2 |
HIP 77276 |
13.27 |
| 2026-08-05 12:00 |
15:46:40.84 |
+08:34:47.5 |
HIP 77276 |
12.61 |
| 2026-08-06 00:00 |
15:46:40.73 |
+08:34:07.6 |
HIP 77276 |
11.94 |
| 2026-08-06 12:00 |
15:46:40.66 |
+08:33:27.5 |
HIP 77276 |
11.27 |
| 2026-08-07 00:00 |
15:46:40.64 |
+08:32:47.1 |
HIP 77276 |
10.60 |
| 2026-08-07 12:00 |
15:46:40.67 |
+08:32:06.6 |
HIP 77276 |
9.93 |
| 2026-08-08 00:00 |
15:46:40.76 |
+08:31:25.9 |
HIP 77276 |
9.25 |
| 2026-08-08 12:00 |
15:46:40.89 |
+08:30:45.0 |
HIP 77276 |
8.57 |
| 2026-08-09 00:00 |
15:46:41.07 |
+08:30:03.9 |
HIP 77276 |
7.89 |
| 2026-08-09 12:00 |
15:46:41.30 |
+08:29:22.6 |
HIP 77276 |
7.20 |
| 2026-08-10 00:00 |
15:46:41.58 |
+08:28:41.1 |
HIP 77276 |
6.52 |
| 2026-08-10 12:00 |
15:46:41.91 |
+08:27:59.4 |
HIP 77276 |
5.84 |
| 2026-08-11 00:00 |
15:46:42.29 |
+08:27:17.6 |
HIP 77276 |
5.16 |
| 2026-08-11 12:00 |
15:46:42.72 |
+08:26:35.6 |
HIP 77276 |
4.48 |
| 2026-08-12 00:00 |
15:46:43.20 |
+08:25:53.3 |
HIP 77276 |
3.83 |
| 2026-08-12 12:00 |
15:46:43.73 |
+08:25:11.0 |
HIP 77276 |
3.19 |
| 2026-08-13 00:00 |
15:46:44.31 |
+08:24:28.4 |
HIP 77276 |
2.60 |
| 2026-08-13 12:00 |
15:46:44.95 |
+08:23:45.7 |
HIP 77276 |
2.11 |
| 2026-08-14 00:00 |
15:46:45.63 |
+08:23:02.9 |
HIP 77276 |
1.79 |
| 2026-08-14 12:00 |
15:46:46.36 |
+08:22:19.8 |
HIP 77276 |
1.76 |
| 2026-08-15 00:00 |
15:46:47.14 |
+08:21:36.6 |
HIP 77276 |
2.03 |
| 2026-08-15 12:00 |
15:46:47.97 |
+08:20:53.3 |
HIP 77276 |
2.52 |
| 2026-08-16 00:00 |
15:46:48.85 |
+08:20:09.8 |
HIP 77276 |
3.12 |
| 2026-08-16 12:00 |
15:46:49.79 |
+08:19:26.2 |
HIP 77276 |
3.79 |
| 2026-08-17 00:00 |
15:46:50.77 |
+08:18:42.4 |
HIP 77276 |
4.50 |
| 2026-08-17 12:00 |
15:46:51.80 |
+08:17:58.5 |
HIP 77276 |
5.23 |
| 2026-08-18 00:00 |
15:46:52.88 |
+08:17:14.5 |
HIP 77276 |
5.98 |
| 2026-08-18 12:00 |
15:46:54.01 |
+08:16:30.3 |
HIP 77276 |
6.75 |
| 2026-08-19 00:00 |
15:46:55.19 |
+08:15:46.0 |
HIP 77276 |
7.53 |