메타데이터
| 항목 |
값 |
| Designation |
C/1988 C1 (Maury-Phinney) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1987-12-26T18:57:18.650880Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:36Z |
| Obs used |
17 |
| NEO |
- |
| M1 |
- |
| K1 |
- |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1988-03-16.0000000 |
| e |
1.00000053 |
| q (au) |
1.930675 |
| a (au) |
-3647207.470365 |
| i (deg) |
93.158683 |
| Ω (om, deg) |
147.519927 |
| ω (w, deg) |
346.839485 |
| M (ma, deg) |
0.000000 |
밝기
산란 + 전체 선형
$$
M_a = (13.701 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
13.701 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.571 |
| 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 |
21:23:26.71 |
+19:54:23.6 |
HIP 105517 |
17.85 |
| 2026-05-12 12:00 |
21:23:26.66 |
+19:54:38.8 |
HIP 105517 |
17.74 |
| 2026-05-13 00:00 |
21:23:26.59 |
+19:54:53.9 |
HIP 105517 |
17.64 |
| 2026-05-13 12:00 |
21:23:26.50 |
+19:55:08.9 |
HIP 105517 |
17.54 |
| 2026-05-14 00:00 |
21:23:26.40 |
+19:55:23.8 |
HIP 105517 |
17.43 |
| 2026-05-14 12:00 |
21:23:26.29 |
+19:55:38.7 |
HIP 105517 |
17.33 |
| 2026-05-15 00:00 |
21:23:26.15 |
+19:55:53.6 |
HIP 105517 |
17.22 |
| 2026-05-15 12:00 |
21:23:26.00 |
+19:56:08.3 |
HIP 105517 |
17.12 |
| 2026-05-16 00:00 |
21:23:25.83 |
+19:56:23.0 |
HIP 105517 |
17.01 |
| 2026-05-16 12:00 |
21:23:25.65 |
+19:56:37.6 |
HIP 105517 |
16.91 |
| 2026-05-17 00:00 |
21:23:25.45 |
+19:56:52.1 |
HIP 105517 |
16.80 |
| 2026-05-17 12:00 |
21:23:25.24 |
+19:57:06.5 |
HIP 105517 |
16.70 |
| 2026-05-18 00:00 |
21:23:25.01 |
+19:57:20.9 |
HIP 105517 |
16.59 |
| 2026-05-18 12:00 |
21:23:24.76 |
+19:57:35.2 |
HIP 105517 |
16.48 |
| 2026-05-19 00:00 |
21:23:24.49 |
+19:57:49.4 |
HIP 105517 |
16.37 |
| 2026-05-19 12:00 |
21:23:24.21 |
+19:58:03.6 |
HIP 105517 |
16.27 |
| 2026-05-20 00:00 |
21:23:23.92 |
+19:58:17.6 |
HIP 105517 |
16.16 |
| 2026-05-20 12:00 |
21:23:23.61 |
+19:58:31.6 |
HIP 105517 |
16.05 |
| 2026-05-21 00:00 |
21:23:23.28 |
+19:58:45.5 |
HIP 105517 |
15.94 |
| 2026-05-21 12:00 |
21:23:22.93 |
+19:58:59.3 |
HIP 105517 |
15.83 |
| 2026-05-22 00:00 |
21:23:22.57 |
+19:59:13.0 |
HIP 105517 |
15.72 |
| 2026-05-22 12:00 |
21:23:22.20 |
+19:59:26.6 |
HIP 105517 |
15.60 |
| 2026-05-23 00:00 |
21:23:21.81 |
+19:59:40.2 |
HIP 105517 |
15.49 |
| 2026-05-23 12:00 |
21:23:21.40 |
+19:59:53.6 |
HIP 105517 |
15.38 |
| 2026-05-24 00:00 |
21:23:20.98 |
+20:00:07.0 |
HIP 105517 |
15.27 |
| 2026-05-24 12:00 |
21:23:20.54 |
+20:00:20.3 |
HIP 105517 |
15.15 |
| 2026-05-25 00:00 |
21:23:20.08 |
+20:00:33.4 |
HIP 105517 |
15.04 |
| 2026-05-25 12:00 |
21:23:19.61 |
+20:00:46.5 |
HIP 105517 |
14.92 |
| 2026-05-26 00:00 |
21:23:19.12 |
+20:00:59.5 |
HIP 105517 |
14.81 |
| 2026-05-26 12:00 |
21:23:18.62 |
+20:01:12.4 |
HIP 105517 |
14.69 |
| 2026-05-27 00:00 |
21:23:18.10 |
+20:01:25.2 |
HIP 105517 |
14.58 |
| 2026-05-27 12:00 |
21:23:17.57 |
+20:01:37.9 |
HIP 105517 |
14.46 |
| 2026-05-28 00:00 |
21:23:17.02 |
+20:01:50.6 |
HIP 105517 |
14.34 |
| 2026-05-28 12:00 |
21:23:16.46 |
+20:02:03.1 |
HIP 105517 |
14.22 |
| 2026-05-29 00:00 |
21:23:15.88 |
+20:02:15.5 |
HIP 105517 |
14.10 |
| 2026-05-29 12:00 |
21:23:15.29 |
+20:02:27.8 |
HIP 105517 |
13.99 |
| 2026-05-30 00:00 |
21:23:14.68 |
+20:02:40.0 |
HIP 105517 |
13.87 |
| 2026-05-30 12:00 |
21:23:14.05 |
+20:02:52.1 |
HIP 105517 |
13.75 |
| 2026-05-31 00:00 |
21:23:13.41 |
+20:03:04.2 |
HIP 105517 |
13.63 |
| 2026-05-31 12:00 |
21:23:12.75 |
+20:03:16.1 |
HIP 105517 |
13.51 |
| 2026-06-01 00:00 |
21:23:12.08 |
+20:03:27.9 |
HIP 105517 |
13.39 |
| 2026-06-01 12:00 |
21:23:11.40 |
+20:03:39.6 |
HIP 105517 |
13.27 |
| 2026-06-02 00:00 |
21:23:10.70 |
+20:03:51.2 |
HIP 105517 |
13.15 |