메타데이터
| 항목 |
값 |
| Designation |
106P/Schuster |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2014-07-20T10:55:26.912640Z |
| Orbit solution date (soln_date, UTC) |
2024-08-26T13:15:29Z |
| Obs used |
745 |
| NEO |
- |
| M1 |
11.100 |
| K1 |
22.750 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2016-04-15.0000000 |
| e |
0.58951152 |
| q (au) |
1.540819 |
| a (au) |
3.753622 |
| i (deg) |
20.196367 |
| Ω (om, deg) |
50.325484 |
| ω (w, deg) |
355.982706 |
| M (ma, deg) |
85.998429 |
밝기
산란 + 전체 선형
$$
M_a = (12.272 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.272 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.500 |
| 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
잔차 (구간 선형)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| 시작일 (UTC) |
끝 (UTC) |
a |
b |
| 2021-05-06 |
2021-11-02 |
+20.2433 |
-4.423 |
| 2021-11-02 |
2022-03-25 |
+3.8248 |
-0.887 |
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 |
15:39:11.07 |
-24:34:50.0 |
HIP 76578 |
11.98 |
| 2026-06-01 12:00 |
15:38:51.11 |
-24:34:16.2 |
HIP 76578 |
8.29 |
| 2026-06-02 00:00 |
15:38:31.22 |
-24:33:42.1 |
HIP 76578 |
5.96 |
| 2026-06-02 12:00 |
15:38:11.40 |
-24:33:07.8 |
HIP 76578 |
6.63 |
| 2026-06-03 00:00 |
15:37:51.64 |
-24:32:33.2 |
HIP 76578 |
9.67 |
| 2026-06-03 12:00 |
15:37:31.95 |
-24:31:58.4 |
HIP 76578 |
13.56 |
| 2026-06-04 00:00 |
15:37:12.33 |
-24:31:23.3 |
HIP 76578 |
17.73 |
| 2026-06-04 12:00 |
15:36:52.79 |
-24:30:48.1 |
HIP 76578 |
22.02 |
| 2026-06-05 00:00 |
15:36:33.33 |
-24:30:12.6 |
HIP 76313 |
20.08 |
| 2026-06-05 12:00 |
15:36:13.95 |
-24:29:37.0 |
HIP 76313 |
16.05 |
| 2026-06-06 00:00 |
15:35:54.65 |
-24:29:01.2 |
HIP 76313 |
12.32 |
| 2026-06-06 12:00 |
15:35:35.44 |
-24:28:25.2 |
HIP 76313 |
9.24 |
| 2026-06-07 00:00 |
15:35:16.31 |
-24:27:49.0 |
HIP 76313 |
7.61 |
| 2026-06-07 12:00 |
15:34:57.28 |
-24:27:12.8 |
HIP 76313 |
8.30 |
| 2026-06-08 00:00 |
15:34:38.34 |
-24:26:36.3 |
HIP 76313 |
10.85 |
| 2026-06-08 12:00 |
15:34:19.50 |
-24:25:59.7 |
HIP 76313 |
14.28 |
| 2026-06-09 00:00 |
15:34:00.75 |
-24:25:23.1 |
HIP 76143 |
12.33 |
| 2026-06-09 12:00 |
15:33:42.11 |
-24:24:46.3 |
HIP 76143 |
8.75 |
| 2026-06-10 00:00 |
15:33:23.57 |
-24:24:09.4 |
HIP 76143 |
6.16 |
| 2026-06-10 12:00 |
15:33:05.13 |
-24:23:32.4 |
HIP 76143 |
5.96 |
| 2026-06-11 00:00 |
15:32:46.81 |
-24:22:55.4 |
HIP 76143 |
8.31 |
| 2026-06-11 12:00 |
15:32:28.59 |
-24:22:18.3 |
HIP 76143 |
11.73 |
| 2026-06-12 00:00 |
15:32:10.49 |
-24:21:41.1 |
HIP 76143 |
15.51 |
| 2026-06-12 12:00 |
15:31:52.50 |
-24:21:03.9 |
HIP 75934 |
18.04 |
| 2026-06-13 00:00 |
15:31:34.64 |
-24:20:26.7 |
HIP 75934 |
13.93 |
| 2026-06-13 12:00 |
15:31:16.89 |
-24:19:49.4 |
HIP 75934 |
9.84 |
| 2026-06-14 00:00 |
15:30:59.27 |
-24:19:12.2 |
HIP 75934 |
5.78 |
| 2026-06-14 12:00 |
15:30:41.77 |
-24:18:35.0 |
HIP 75934 |
1.77 |
| 2026-06-15 00:00 |
15:30:24.41 |
-24:17:57.7 |
HIP 75934 |
2.30 |
| 2026-06-15 12:00 |
15:30:07.17 |
-24:17:20.5 |
HIP 75907 |
3.72 |
| 2026-06-16 00:00 |
15:29:50.06 |
-24:16:43.4 |
HIP 75907 |
6.49 |
| 2026-06-16 12:00 |
15:29:33.09 |
-24:16:06.3 |
HIP 75907 |
10.05 |
| 2026-06-17 00:00 |
15:29:16.26 |
-24:15:29.2 |
HIP 75806 |
11.69 |
| 2026-06-17 12:00 |
15:28:59.57 |
-24:14:52.3 |
HIP 75806 |
12.44 |
| 2026-06-18 00:00 |
15:28:43.02 |
-24:14:15.4 |
HIP 75806 |
14.22 |
| 2026-06-18 12:00 |
15:28:26.61 |
-24:13:38.6 |
HIP 75806 |
16.68 |
| 2026-06-19 00:00 |
15:28:10.34 |
-24:13:02.0 |
HIP 75806 |
19.54 |
| 2026-06-19 12:00 |
15:27:54.23 |
-24:12:25.4 |
HIP 75617 |
22.54 |
| 2026-06-20 00:00 |
15:27:38.26 |
-24:11:49.0 |
HIP 75617 |
21.41 |
| 2026-06-20 12:00 |
15:27:22.44 |
-24:11:12.7 |
HIP 75617 |
20.89 |
| 2026-06-21 00:00 |
15:27:06.78 |
-24:10:36.6 |
HIP 75617 |
20.99 |
| 2026-06-21 12:00 |
15:26:51.27 |
-24:10:00.6 |
HIP 75617 |
21.70 |
| 2026-06-22 00:00 |
15:26:35.92 |
-24:09:24.8 |
HIP 75617 |
22.95 |