메타데이터
| 항목 |
값 |
| Designation |
C/1957 U1 (Latyshev-Wild-Burnham) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1957-12-05T03:06:11.520000Z |
| Orbit solution date (soln_date, UTC) |
- |
| Obs used |
9 |
| NEO |
- |
| M1 |
- |
| K1 |
- |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1957-12-05.1293000 |
| e |
1.00000000 |
| q (au) |
0.539130 |
| a (au) |
- |
| i (deg) |
156.715400 |
| Ω (om, deg) |
210.875300 |
| ω (w, deg) |
277.613800 |
| M (ma, deg) |
- |
밝기
산란 + 전체 선형
$$
M_a = (11.780 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.780 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.525 |
| k |
0.800 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-09-20 00:00 |
08:47:14.80 |
+41:55:51.5 |
HIP 43183 |
14.17 |
| 2026-09-20 12:00 |
08:47:15.86 |
+41:55:54.3 |
HIP 43183 |
14.13 |
| 2026-09-21 00:00 |
08:47:16.90 |
+41:55:57.2 |
HIP 43183 |
14.09 |
| 2026-09-21 12:00 |
08:47:17.93 |
+41:56:00.1 |
HIP 43183 |
14.06 |
| 2026-09-22 00:00 |
08:47:18.95 |
+41:56:03.1 |
HIP 43183 |
14.03 |
| 2026-09-22 12:00 |
08:47:19.96 |
+41:56:06.1 |
HIP 43183 |
14.00 |
| 2026-09-23 00:00 |
08:47:20.96 |
+41:56:09.3 |
HIP 43183 |
13.98 |
| 2026-09-23 12:00 |
08:47:21.95 |
+41:56:12.5 |
HIP 43183 |
13.96 |
| 2026-09-24 00:00 |
08:47:22.93 |
+41:56:15.8 |
HIP 43183 |
13.95 |
| 2026-09-24 12:00 |
08:47:23.90 |
+41:56:19.1 |
HIP 43183 |
13.94 |
| 2026-09-25 00:00 |
08:47:24.86 |
+41:56:22.5 |
HIP 43183 |
13.94 |
| 2026-09-25 12:00 |
08:47:25.81 |
+41:56:26.0 |
HIP 43183 |
13.94 |
| 2026-09-26 00:00 |
08:47:26.75 |
+41:56:29.6 |
HIP 43183 |
13.94 |
| 2026-09-26 12:00 |
08:47:27.67 |
+41:56:33.2 |
HIP 43183 |
13.95 |
| 2026-09-27 00:00 |
08:47:28.59 |
+41:56:36.9 |
HIP 43183 |
13.96 |
| 2026-09-27 12:00 |
08:47:29.49 |
+41:56:40.7 |
HIP 43183 |
13.98 |
| 2026-09-28 00:00 |
08:47:30.38 |
+41:56:44.5 |
HIP 43183 |
14.00 |
| 2026-09-28 12:00 |
08:47:31.27 |
+41:56:48.4 |
HIP 43183 |
14.03 |
| 2026-09-29 00:00 |
08:47:32.14 |
+41:56:52.4 |
HIP 43183 |
14.06 |
| 2026-09-29 12:00 |
08:47:32.99 |
+41:56:56.5 |
HIP 43183 |
14.09 |
| 2026-09-30 00:00 |
08:47:33.84 |
+41:57:00.6 |
HIP 43183 |
14.12 |
| 2026-09-30 12:00 |
08:47:34.68 |
+41:57:04.8 |
HIP 43183 |
14.16 |
| 2026-10-01 00:00 |
08:47:35.50 |
+41:57:09.0 |
HIP 43183 |
14.20 |
| 2026-10-01 12:00 |
08:47:36.32 |
+41:57:13.3 |
HIP 43183 |
14.25 |
| 2026-10-02 00:00 |
08:47:37.12 |
+41:57:17.7 |
HIP 43183 |
14.30 |
| 2026-10-02 12:00 |
08:47:37.91 |
+41:57:22.2 |
HIP 43183 |
14.35 |
| 2026-10-03 00:00 |
08:47:38.68 |
+41:57:26.7 |
HIP 43183 |
14.41 |
| 2026-10-03 12:00 |
08:47:39.45 |
+41:57:31.3 |
HIP 43183 |
14.47 |
| 2026-10-04 00:00 |
08:47:40.20 |
+41:57:35.9 |
HIP 43183 |
14.53 |
| 2026-10-04 12:00 |
08:47:40.94 |
+41:57:40.7 |
HIP 43183 |
14.59 |
| 2026-10-05 00:00 |
08:47:41.67 |
+41:57:45.5 |
HIP 43183 |
14.66 |
| 2026-10-05 12:00 |
08:47:42.39 |
+41:57:50.3 |
HIP 43183 |
14.73 |
| 2026-10-06 00:00 |
08:47:43.10 |
+41:57:55.2 |
HIP 43183 |
14.80 |
| 2026-10-06 12:00 |
08:47:43.79 |
+41:58:00.2 |
HIP 43183 |
14.88 |
| 2026-10-07 00:00 |
08:47:44.47 |
+41:58:05.3 |
HIP 43183 |
14.95 |
| 2026-10-07 12:00 |
08:47:45.14 |
+41:58:10.4 |
HIP 43183 |
15.03 |
| 2026-10-08 00:00 |
08:47:45.79 |
+41:58:15.6 |
HIP 43183 |
15.11 |
| 2026-10-08 12:00 |
08:47:46.43 |
+41:58:20.9 |
HIP 43183 |
15.20 |
| 2026-10-09 00:00 |
08:47:47.06 |
+41:58:26.2 |
HIP 43183 |
15.28 |
| 2026-10-09 12:00 |
08:47:47.68 |
+41:58:31.5 |
HIP 43183 |
15.37 |
| 2026-10-10 00:00 |
08:47:48.28 |
+41:58:37.0 |
HIP 43183 |
15.46 |
| 2026-10-10 12:00 |
08:47:48.88 |
+41:58:42.5 |
HIP 43183 |
15.55 |
| 2026-10-11 00:00 |
08:47:49.45 |
+41:58:48.1 |
HIP 43183 |
15.65 |