메타데이터
| 항목 |
값 |
| Designation |
C/1948 V1 (Eclipse comet) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1948-10-27T10:14:33.031680Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:09Z |
| Obs used |
17 |
| NEO |
- |
| M1 |
- |
| K1 |
- |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1949-01-10.0000000 |
| e |
0.99991400 |
| q (au) |
0.135439 |
| a (au) |
1574.787178 |
| i (deg) |
23.116272 |
| Ω (om, deg) |
211.042719 |
| ω (w, deg) |
107.249362 |
| M (ma, deg) |
0.001176 |
밝기
산란 + 전체 선형
$$
M_a = (4.919 + 4.296\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
4.919 |
| n |
4.296 |
| gf |
0.800 |
| gb |
-0.500 |
| k |
1.000 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
08:43:19.08 |
-05:02:49.7 |
HIP 42880 |
15.61 |
| 2026-06-01 12:00 |
08:43:19.66 |
-05:02:46.1 |
HIP 42880 |
15.47 |
| 2026-06-02 00:00 |
08:43:20.26 |
-05:02:42.6 |
HIP 42880 |
15.34 |
| 2026-06-02 12:00 |
08:43:20.86 |
-05:02:39.1 |
HIP 42880 |
15.20 |
| 2026-06-03 00:00 |
08:43:21.47 |
-05:02:35.7 |
HIP 42880 |
15.07 |
| 2026-06-03 12:00 |
08:43:22.09 |
-05:02:32.3 |
HIP 42880 |
14.93 |
| 2026-06-04 00:00 |
08:43:22.71 |
-05:02:29.0 |
HIP 42880 |
14.79 |
| 2026-06-04 12:00 |
08:43:23.35 |
-05:02:25.8 |
HIP 42880 |
14.65 |
| 2026-06-05 00:00 |
08:43:23.99 |
-05:02:22.6 |
HIP 42880 |
14.50 |
| 2026-06-05 12:00 |
08:43:24.64 |
-05:02:19.5 |
HIP 42880 |
14.36 |
| 2026-06-06 00:00 |
08:43:25.29 |
-05:02:16.4 |
HIP 42880 |
14.21 |
| 2026-06-06 12:00 |
08:43:25.96 |
-05:02:13.5 |
HIP 42880 |
14.06 |
| 2026-06-07 00:00 |
08:43:26.63 |
-05:02:10.5 |
HIP 42880 |
13.91 |
| 2026-06-07 12:00 |
08:43:27.31 |
-05:02:07.7 |
HIP 42880 |
13.76 |
| 2026-06-08 00:00 |
08:43:27.99 |
-05:02:04.9 |
HIP 42880 |
13.61 |
| 2026-06-08 12:00 |
08:43:28.68 |
-05:02:02.1 |
HIP 42880 |
13.46 |
| 2026-06-09 00:00 |
08:43:29.38 |
-05:01:59.5 |
HIP 42880 |
13.30 |
| 2026-06-09 12:00 |
08:43:30.09 |
-05:01:56.9 |
HIP 42880 |
13.14 |
| 2026-06-10 00:00 |
08:43:30.81 |
-05:01:54.3 |
HIP 42880 |
12.98 |
| 2026-06-10 12:00 |
08:43:31.53 |
-05:01:51.8 |
HIP 42880 |
12.83 |
| 2026-06-11 00:00 |
08:43:32.25 |
-05:01:49.4 |
HIP 42880 |
12.66 |
| 2026-06-11 12:00 |
08:43:32.99 |
-05:01:47.1 |
HIP 42880 |
12.50 |
| 2026-06-12 00:00 |
08:43:33.73 |
-05:01:44.8 |
HIP 42880 |
12.34 |
| 2026-06-12 12:00 |
08:43:34.48 |
-05:01:42.5 |
HIP 42880 |
12.17 |
| 2026-06-13 00:00 |
08:43:35.24 |
-05:01:40.4 |
HIP 42880 |
12.01 |
| 2026-06-13 12:00 |
08:43:36.00 |
-05:01:38.3 |
HIP 42880 |
11.84 |
| 2026-06-14 00:00 |
08:43:36.77 |
-05:01:36.3 |
HIP 42880 |
11.67 |
| 2026-06-14 12:00 |
08:43:37.55 |
-05:01:34.3 |
HIP 42880 |
11.50 |
| 2026-06-15 00:00 |
08:43:38.33 |
-05:01:32.4 |
HIP 42880 |
11.33 |
| 2026-06-15 12:00 |
08:43:39.12 |
-05:01:30.6 |
HIP 42880 |
11.16 |
| 2026-06-16 00:00 |
08:43:39.91 |
-05:01:28.8 |
HIP 42880 |
10.99 |
| 2026-06-16 12:00 |
08:43:40.72 |
-05:01:27.1 |
HIP 42880 |
10.82 |
| 2026-06-17 00:00 |
08:43:41.53 |
-05:01:25.4 |
HIP 42880 |
10.64 |
| 2026-06-17 12:00 |
08:43:42.34 |
-05:01:23.9 |
HIP 42880 |
10.47 |
| 2026-06-18 00:00 |
08:43:43.16 |
-05:01:22.4 |
HIP 42880 |
10.29 |
| 2026-06-18 12:00 |
08:43:43.99 |
-05:01:20.9 |
HIP 42880 |
10.12 |
| 2026-06-19 00:00 |
08:43:44.82 |
-05:01:19.6 |
HIP 42880 |
9.94 |
| 2026-06-19 12:00 |
08:43:45.66 |
-05:01:18.3 |
HIP 42880 |
9.76 |
| 2026-06-20 00:00 |
08:43:46.51 |
-05:01:17.0 |
HIP 42880 |
9.58 |
| 2026-06-20 12:00 |
08:43:47.36 |
-05:01:15.8 |
HIP 42880 |
9.40 |
| 2026-06-21 00:00 |
08:43:48.22 |
-05:01:14.7 |
HIP 42880 |
9.23 |
| 2026-06-21 12:00 |
08:43:49.08 |
-05:01:13.7 |
HIP 42880 |
9.05 |
| 2026-06-22 00:00 |
08:43:49.95 |
-05:01:12.7 |
HIP 42880 |
8.87 |