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) |
| 2026-05-12 00:00 |
08:41:49.67 |
+42:17:32.3 |
HIP 42596 |
13.13 |
| 2026-05-12 12:00 |
08:41:50.01 |
+42:17:24.0 |
HIP 42596 |
13.27 |
| 2026-05-13 00:00 |
08:41:50.35 |
+42:17:15.6 |
HIP 42596 |
13.40 |
| 2026-05-13 12:00 |
08:41:50.71 |
+42:17:07.2 |
HIP 42596 |
13.54 |
| 2026-05-14 00:00 |
08:41:51.09 |
+42:16:58.8 |
HIP 42596 |
13.69 |
| 2026-05-14 12:00 |
08:41:51.48 |
+42:16:50.4 |
HIP 42596 |
13.83 |
| 2026-05-15 00:00 |
08:41:51.88 |
+42:16:42.0 |
HIP 42596 |
13.98 |
| 2026-05-15 12:00 |
08:41:52.29 |
+42:16:33.5 |
HIP 42596 |
14.13 |
| 2026-05-16 00:00 |
08:41:52.72 |
+42:16:25.1 |
HIP 42596 |
14.28 |
| 2026-05-16 12:00 |
08:41:53.16 |
+42:16:16.6 |
HIP 42596 |
14.43 |
| 2026-05-17 00:00 |
08:41:53.61 |
+42:16:08.1 |
HIP 42596 |
14.59 |
| 2026-05-17 12:00 |
08:41:54.08 |
+42:15:59.6 |
HIP 42596 |
14.75 |
| 2026-05-18 00:00 |
08:41:54.56 |
+42:15:51.0 |
HIP 42596 |
14.91 |
| 2026-05-18 12:00 |
08:41:55.05 |
+42:15:42.5 |
HIP 42596 |
15.07 |
| 2026-05-19 00:00 |
08:41:55.56 |
+42:15:33.9 |
HIP 42596 |
15.24 |
| 2026-05-19 12:00 |
08:41:56.08 |
+42:15:25.4 |
HIP 42596 |
15.40 |
| 2026-05-20 00:00 |
08:41:56.61 |
+42:15:16.8 |
HIP 42596 |
15.57 |
| 2026-05-20 12:00 |
08:41:57.16 |
+42:15:08.2 |
HIP 42596 |
15.74 |
| 2026-05-21 00:00 |
08:41:57.71 |
+42:14:59.6 |
HIP 42596 |
15.92 |
| 2026-05-21 12:00 |
08:41:58.28 |
+42:14:51.0 |
HIP 42596 |
16.09 |
| 2026-05-22 00:00 |
08:41:58.87 |
+42:14:42.3 |
HIP 42596 |
16.27 |
| 2026-05-22 12:00 |
08:41:59.46 |
+42:14:33.7 |
HIP 42596 |
16.45 |
| 2026-05-23 00:00 |
08:42:00.07 |
+42:14:25.1 |
HIP 42596 |
16.63 |
| 2026-05-23 12:00 |
08:42:00.69 |
+42:14:16.4 |
HIP 42596 |
16.81 |
| 2026-05-24 00:00 |
08:42:01.32 |
+42:14:07.8 |
HIP 42596 |
16.99 |
| 2026-05-24 12:00 |
08:42:01.97 |
+42:13:59.1 |
HIP 42596 |
17.18 |
| 2026-05-25 00:00 |
08:42:02.63 |
+42:13:50.5 |
HIP 42596 |
17.37 |
| 2026-05-25 12:00 |
08:42:03.30 |
+42:13:41.8 |
HIP 42596 |
17.55 |
| 2026-05-26 00:00 |
08:42:03.98 |
+42:13:33.1 |
HIP 42596 |
17.75 |
| 2026-05-26 12:00 |
08:42:04.67 |
+42:13:24.5 |
HIP 42596 |
17.94 |
| 2026-05-27 00:00 |
08:42:05.38 |
+42:13:15.8 |
HIP 42596 |
18.13 |
| 2026-05-27 12:00 |
08:42:06.10 |
+42:13:07.1 |
HIP 42596 |
18.33 |
| 2026-05-28 00:00 |
08:42:06.83 |
+42:12:58.4 |
HIP 42596 |
18.53 |
| 2026-05-28 12:00 |
08:42:07.57 |
+42:12:49.8 |
HIP 42596 |
18.73 |
| 2026-05-29 00:00 |
08:42:08.32 |
+42:12:41.1 |
HIP 42596 |
18.93 |
| 2026-05-29 12:00 |
08:42:09.09 |
+42:12:32.4 |
HIP 42596 |
19.13 |
| 2026-05-30 00:00 |
08:42:09.86 |
+42:12:23.7 |
HIP 42596 |
19.33 |
| 2026-05-30 12:00 |
08:42:10.65 |
+42:12:15.0 |
HIP 42596 |
19.54 |
| 2026-05-31 00:00 |
08:42:11.45 |
+42:12:06.4 |
HIP 42596 |
19.74 |
| 2026-05-31 12:00 |
08:42:12.26 |
+42:11:57.7 |
HIP 42596 |
19.95 |
| 2026-06-01 00:00 |
08:42:13.09 |
+42:11:49.0 |
HIP 42596 |
20.16 |
| 2026-06-01 12:00 |
08:42:13.92 |
+42:11:40.3 |
HIP 42596 |
20.37 |
| 2026-06-02 00:00 |
08:42:14.77 |
+42:11:31.7 |
HIP 42596 |
20.59 |