메타데이터
| 항목 |
값 |
| Designation |
C/1950 K1 (Minkowski) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1951-01-15T01:00:02.396160Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:09Z |
| Obs used |
32 |
| NEO |
- |
| M1 |
- |
| K1 |
- |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1951-02-12.0000000 |
| e |
1.00121746 |
| q (au) |
2.572332 |
| a (au) |
-2112.865342 |
| i (deg) |
144.155299 |
| Ω (om, deg) |
38.890420 |
| ω (w, deg) |
192.467845 |
| M (ma, deg) |
0.000284 |
밝기
산란 + 전체 선형
$$
M_a = (5.948 + 2.647\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
5.948 |
| n |
2.647 |
| gf |
0.952 |
| gb |
-0.765 |
| k |
0.984 |
| δ90 |
1.000 |
| 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 |
| 1950-06-06 |
1951-01-14 |
+2.1156 |
-1.155 |
| 1951-01-19 |
1951-06-30 |
+15.8103 |
-6.727 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-05-12 00:00 |
02:50:20.83 |
+12:37:14.7 |
HIP 13201 |
7.00 |
| 2026-05-12 12:00 |
02:50:21.97 |
+12:37:19.9 |
HIP 13201 |
7.24 |
| 2026-05-13 00:00 |
02:50:23.10 |
+12:37:25.1 |
HIP 13201 |
7.48 |
| 2026-05-13 12:00 |
02:50:24.23 |
+12:37:30.3 |
HIP 13201 |
7.73 |
| 2026-05-14 00:00 |
02:50:25.36 |
+12:37:35.5 |
HIP 13201 |
7.97 |
| 2026-05-14 12:00 |
02:50:26.48 |
+12:37:40.6 |
HIP 13201 |
8.22 |
| 2026-05-15 00:00 |
02:50:27.61 |
+12:37:45.8 |
HIP 13201 |
8.48 |
| 2026-05-15 12:00 |
02:50:28.74 |
+12:37:50.9 |
HIP 13201 |
8.73 |
| 2026-05-16 00:00 |
02:50:29.86 |
+12:37:56.0 |
HIP 13201 |
8.99 |
| 2026-05-16 12:00 |
02:50:30.98 |
+12:38:01.1 |
HIP 13201 |
9.25 |
| 2026-05-17 00:00 |
02:50:32.10 |
+12:38:06.1 |
HIP 13201 |
9.51 |
| 2026-05-17 12:00 |
02:50:33.22 |
+12:38:11.2 |
HIP 13201 |
9.77 |
| 2026-05-18 00:00 |
02:50:34.34 |
+12:38:16.2 |
HIP 13201 |
10.03 |
| 2026-05-18 12:00 |
02:50:35.45 |
+12:38:21.2 |
HIP 13201 |
10.29 |
| 2026-05-19 00:00 |
02:50:36.56 |
+12:38:26.2 |
HIP 13201 |
10.55 |
| 2026-05-19 12:00 |
02:50:37.67 |
+12:38:31.2 |
HIP 13201 |
10.81 |
| 2026-05-20 00:00 |
02:50:38.78 |
+12:38:36.1 |
HIP 13201 |
11.08 |
| 2026-05-20 12:00 |
02:50:39.89 |
+12:38:41.1 |
HIP 13201 |
11.34 |
| 2026-05-21 00:00 |
02:50:40.99 |
+12:38:46.0 |
HIP 13201 |
11.61 |
| 2026-05-21 12:00 |
02:50:42.09 |
+12:38:50.8 |
HIP 13201 |
11.87 |
| 2026-05-22 00:00 |
02:50:43.19 |
+12:38:55.7 |
HIP 13201 |
12.14 |
| 2026-05-22 12:00 |
02:50:44.28 |
+12:39:00.6 |
HIP 13201 |
12.40 |
| 2026-05-23 00:00 |
02:50:45.38 |
+12:39:05.4 |
HIP 13201 |
12.66 |
| 2026-05-23 12:00 |
02:50:46.46 |
+12:39:10.2 |
HIP 13201 |
12.93 |
| 2026-05-24 00:00 |
02:50:47.55 |
+12:39:15.0 |
HIP 13201 |
13.19 |
| 2026-05-24 12:00 |
02:50:48.64 |
+12:39:19.7 |
HIP 13201 |
13.46 |
| 2026-05-25 00:00 |
02:50:49.72 |
+12:39:24.4 |
HIP 13201 |
13.72 |
| 2026-05-25 12:00 |
02:50:50.79 |
+12:39:29.1 |
HIP 13201 |
13.98 |
| 2026-05-26 00:00 |
02:50:51.87 |
+12:39:33.8 |
HIP 13201 |
14.25 |
| 2026-05-26 12:00 |
02:50:52.94 |
+12:39:38.5 |
HIP 13201 |
14.51 |
| 2026-05-27 00:00 |
02:50:54.01 |
+12:39:43.1 |
HIP 13201 |
14.77 |
| 2026-05-27 12:00 |
02:50:55.07 |
+12:39:47.7 |
HIP 13201 |
15.03 |
| 2026-05-28 00:00 |
02:50:56.14 |
+12:39:52.3 |
HIP 13201 |
15.30 |
| 2026-05-28 12:00 |
02:50:57.19 |
+12:39:56.9 |
HIP 13201 |
15.56 |
| 2026-05-29 00:00 |
02:50:58.25 |
+12:40:01.4 |
HIP 13201 |
15.82 |
| 2026-05-29 12:00 |
02:50:59.30 |
+12:40:05.9 |
HIP 13201 |
16.08 |
| 2026-05-30 00:00 |
02:51:00.34 |
+12:40:10.4 |
HIP 13201 |
16.33 |
| 2026-05-30 12:00 |
02:51:01.39 |
+12:40:14.9 |
HIP 13201 |
16.59 |
| 2026-05-31 00:00 |
02:51:02.43 |
+12:40:19.3 |
HIP 13201 |
16.85 |
| 2026-05-31 12:00 |
02:51:03.46 |
+12:40:23.7 |
HIP 13201 |
17.11 |
| 2026-06-01 00:00 |
02:51:04.49 |
+12:40:28.1 |
HIP 13201 |
17.36 |
| 2026-06-01 12:00 |
02:51:05.52 |
+12:40:32.4 |
HIP 13201 |
17.62 |
| 2026-06-02 00:00 |
02:51:06.54 |
+12:40:36.8 |
HIP 13201 |
17.87 |