메타데이터
| 항목 |
값 |
| Designation |
D/1978 R1 (Haneda-Campos) |
| Type |
D |
| Perihelion (tp_cal, UTC) |
1978-10-09T11:47:52.676160Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:27Z |
| Obs used |
62 |
| NEO |
Yes |
| M1 |
12.800 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1978-09-22.0000000 |
| e |
0.66523727 |
| q (au) |
1.101419 |
| a (au) |
3.290148 |
| i (deg) |
5.947352 |
| Ω (om, deg) |
132.253410 |
| ω (w, deg) |
240.462250 |
| M (ma, deg) |
357.111249 |
밝기
산란 + 전체 선형
$$
M_a = (17.164 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
17.164 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.839 |
| 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
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
12:16:32.77 |
+02:58:45.3 |
HIP 59918 |
14.81 |
| 2026-06-01 12:00 |
12:16:29.41 |
+02:58:37.5 |
HIP 59918 |
15.55 |
| 2026-06-02 00:00 |
12:16:26.22 |
+02:58:28.6 |
HIP 59918 |
16.25 |
| 2026-06-02 12:00 |
12:16:23.19 |
+02:58:18.7 |
HIP 59918 |
16.92 |
| 2026-06-03 00:00 |
12:16:20.34 |
+02:58:07.7 |
HIP 59918 |
17.55 |
| 2026-06-03 12:00 |
12:16:17.65 |
+02:57:55.5 |
HIP 59918 |
18.14 |
| 2026-06-04 00:00 |
12:16:15.13 |
+02:57:42.3 |
HIP 59918 |
18.70 |
| 2026-06-04 12:00 |
12:16:12.78 |
+02:57:28.0 |
HIP 59918 |
19.22 |
| 2026-06-05 00:00 |
12:16:10.59 |
+02:57:12.7 |
HIP 59918 |
19.70 |
| 2026-06-05 12:00 |
12:16:08.57 |
+02:56:56.2 |
HIP 59918 |
20.14 |
| 2026-06-06 00:00 |
12:16:06.72 |
+02:56:38.7 |
HIP 59918 |
20.54 |
| 2026-06-06 12:00 |
12:16:05.04 |
+02:56:20.1 |
HIP 59918 |
20.91 |
| 2026-06-07 00:00 |
12:16:03.53 |
+02:56:00.5 |
HIP 59918 |
21.24 |
| 2026-06-07 12:00 |
12:16:02.18 |
+02:55:39.8 |
HIP 59918 |
21.53 |
| 2026-06-08 00:00 |
12:16:00.99 |
+02:55:18.0 |
HIP 59918 |
21.79 |
| 2026-06-08 12:00 |
12:15:59.98 |
+02:54:55.2 |
HIP 59918 |
22.01 |
| 2026-06-09 00:00 |
12:15:59.13 |
+02:54:31.3 |
HIP 59918 |
22.20 |
| 2026-06-09 12:00 |
12:15:58.44 |
+02:54:06.4 |
HIP 59918 |
22.35 |
| 2026-06-10 00:00 |
12:15:57.92 |
+02:53:40.4 |
HIP 59918 |
22.47 |
| 2026-06-10 12:00 |
12:15:57.57 |
+02:53:13.4 |
HIP 59918 |
22.55 |
| 2026-06-11 00:00 |
12:15:57.38 |
+02:52:45.4 |
HIP 59918 |
22.61 |
| 2026-06-11 12:00 |
12:15:57.36 |
+02:52:16.3 |
HIP 59918 |
22.63 |
| 2026-06-12 00:00 |
12:15:57.50 |
+02:51:46.2 |
HIP 59918 |
22.62 |
| 2026-06-12 12:00 |
12:15:57.80 |
+02:51:15.0 |
HIP 59918 |
22.59 |
| 2026-06-13 00:00 |
12:15:58.27 |
+02:50:42.9 |
HIP 59918 |
22.53 |
| 2026-06-13 12:00 |
12:15:58.90 |
+02:50:09.7 |
HIP 59918 |
22.44 |
| 2026-06-14 00:00 |
12:15:59.69 |
+02:49:35.5 |
HIP 59918 |
22.33 |
| 2026-06-14 12:00 |
12:16:00.65 |
+02:49:00.3 |
HIP 59918 |
22.20 |
| 2026-06-15 00:00 |
12:16:01.77 |
+02:48:24.0 |
HIP 59918 |
22.05 |
| 2026-06-15 12:00 |
12:16:03.05 |
+02:47:46.8 |
HIP 59918 |
21.89 |
| 2026-06-16 00:00 |
12:16:04.50 |
+02:47:08.6 |
HIP 59918 |
21.71 |
| 2026-06-16 12:00 |
12:16:06.10 |
+02:46:29.4 |
HIP 59918 |
21.52 |
| 2026-06-17 00:00 |
12:16:07.87 |
+02:45:49.2 |
HIP 59918 |
21.33 |
| 2026-06-17 12:00 |
12:16:09.79 |
+02:45:08.0 |
HIP 59918 |
21.14 |
| 2026-06-18 00:00 |
12:16:11.87 |
+02:44:25.9 |
HIP 59918 |
20.95 |
| 2026-06-18 12:00 |
12:16:14.12 |
+02:43:42.8 |
HIP 59918 |
20.76 |
| 2026-06-19 00:00 |
12:16:16.52 |
+02:42:58.7 |
HIP 59918 |
20.59 |
| 2026-06-19 12:00 |
12:16:19.08 |
+02:42:13.6 |
HIP 59918 |
20.43 |
| 2026-06-20 00:00 |
12:16:21.79 |
+02:41:27.6 |
HIP 59918 |
20.30 |
| 2026-06-20 12:00 |
12:16:24.66 |
+02:40:40.7 |
HIP 59918 |
20.20 |
| 2026-06-21 00:00 |
12:16:27.69 |
+02:39:52.8 |
HIP 59918 |
20.14 |
| 2026-06-21 12:00 |
12:16:30.87 |
+02:39:04.0 |
HIP 59918 |
20.12 |
| 2026-06-22 00:00 |
12:16:34.20 |
+02:38:14.3 |
HIP 59918 |
20.15 |