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) |
| 2026-07-29 00:00 |
12:27:00.54 |
+01:00:16.3 |
HIP 60632 |
27.22 |
| 2026-07-29 12:00 |
12:27:13.46 |
+00:58:32.2 |
HIP 60902 |
27.25 |
| 2026-07-30 00:00 |
12:27:26.48 |
+00:56:47.6 |
HIP 60902 |
25.07 |
| 2026-07-30 12:00 |
12:27:39.61 |
+00:55:02.4 |
HIP 60902 |
23.26 |
| 2026-07-31 00:00 |
12:27:52.83 |
+00:53:16.8 |
HIP 60902 |
21.92 |
| 2026-07-31 12:00 |
12:28:06.15 |
+00:51:30.7 |
HIP 60902 |
21.16 |
| 2026-08-01 00:00 |
12:28:19.57 |
+00:49:44.0 |
HIP 60902 |
21.06 |
| 2026-08-01 12:00 |
12:28:33.08 |
+00:47:56.9 |
HIP 60902 |
21.64 |
| 2026-08-02 00:00 |
12:28:46.69 |
+00:46:09.2 |
HIP 60902 |
22.85 |
| 2026-08-02 12:00 |
12:29:00.40 |
+00:44:21.1 |
HIP 61030 |
24.17 |
| 2026-08-03 00:00 |
12:29:14.20 |
+00:42:32.5 |
HIP 61030 |
20.28 |
| 2026-08-03 12:00 |
12:29:28.09 |
+00:40:43.4 |
HIP 61030 |
16.37 |
| 2026-08-04 00:00 |
12:29:42.08 |
+00:38:53.8 |
HIP 61030 |
12.45 |
| 2026-08-04 12:00 |
12:29:56.16 |
+00:37:03.7 |
HIP 61030 |
8.52 |
| 2026-08-05 00:00 |
12:30:10.34 |
+00:35:13.2 |
HIP 61030 |
4.63 |
| 2026-08-05 12:00 |
12:30:24.61 |
+00:33:22.2 |
HIP 61030 |
1.48 |
| 2026-08-06 00:00 |
12:30:38.96 |
+00:31:30.8 |
HIP 61030 |
3.92 |
| 2026-08-06 12:00 |
12:30:53.41 |
+00:29:38.9 |
HIP 61030 |
7.85 |
| 2026-08-07 00:00 |
12:31:07.95 |
+00:27:46.5 |
HIP 61030 |
11.89 |
| 2026-08-07 12:00 |
12:31:22.58 |
+00:25:53.7 |
HIP 61061 |
15.67 |
| 2026-08-08 00:00 |
12:31:37.30 |
+00:24:00.4 |
HIP 61061 |
19.17 |
| 2026-08-08 12:00 |
12:31:52.10 |
+00:22:06.8 |
HIP 61061 |
22.90 |
| 2026-08-09 00:00 |
12:32:07.00 |
+00:20:12.6 |
HIP 61061 |
26.78 |
| 2026-08-09 12:00 |
12:32:21.98 |
+00:18:18.1 |
HIP 61061 |
30.75 |
| 2026-08-10 00:00 |
12:32:37.04 |
+00:16:23.1 |
HIP 61240 |
33.25 |
| 2026-08-10 12:00 |
12:32:52.20 |
+00:14:27.7 |
HIP 61240 |
30.92 |
| 2026-08-11 00:00 |
12:33:07.44 |
+00:12:31.9 |
HIP 61240 |
29.03 |
| 2026-08-11 12:00 |
12:33:22.76 |
+00:10:35.7 |
HIP 61240 |
27.66 |
| 2026-08-12 00:00 |
12:33:38.16 |
+00:08:39.0 |
HIP 61240 |
26.92 |
| 2026-08-12 12:00 |
12:33:53.65 |
+00:06:42.0 |
HIP 61240 |
26.86 |
| 2026-08-13 00:00 |
12:34:09.22 |
+00:04:44.6 |
HIP 61240 |
27.51 |
| 2026-08-13 12:00 |
12:34:24.88 |
+00:02:46.8 |
HIP 61240 |
28.81 |
| 2026-08-14 00:00 |
12:34:40.61 |
+00:00:48.6 |
HIP 61240 |
30.71 |
| 2026-08-14 12:00 |
12:34:56.42 |
-00:01:10.0 |
HIP 61531 |
27.12 |
| 2026-08-15 00:00 |
12:35:12.32 |
-00:03:08.9 |
HIP 61531 |
22.78 |
| 2026-08-15 12:00 |
12:35:28.29 |
-00:05:08.2 |
HIP 61531 |
18.46 |
| 2026-08-16 00:00 |
12:35:44.34 |
-00:07:07.9 |
HIP 61531 |
14.20 |
| 2026-08-16 12:00 |
12:36:00.46 |
-00:09:07.9 |
HIP 61531 |
10.14 |
| 2026-08-17 00:00 |
12:36:16.66 |
-00:11:08.3 |
HIP 61531 |
6.64 |
| 2026-08-17 12:00 |
12:36:32.94 |
-00:13:09.0 |
HIP 61531 |
5.14 |
| 2026-08-18 00:00 |
12:36:49.29 |
-00:15:10.0 |
HIP 61531 |
7.08 |
| 2026-08-18 12:00 |
12:37:05.72 |
-00:17:11.4 |
HIP 61531 |
10.76 |
| 2026-08-19 00:00 |
12:37:22.22 |
-00:19:13.1 |
HIP 61531 |
14.96 |