메타데이터
| 항목 |
값 |
| Designation |
407P/PANSTARRS-Fuls |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2020-01-31T19:46:09.442560Z |
| Orbit solution date (soln_date, UTC) |
2022-12-31T16:14:11Z |
| Obs used |
734 |
| NEO |
- |
| M1 |
7.200 |
| K1 |
29.250 |
| PC |
0.030 |
| Discovery observation (MPC, UTC) |
2019-12-21T12:46:27.264000Z |
| Discovery magnitude (MPC) |
18.80 G |
| Discovery observatory (MPC) |
G96 · University of Arizona Mt. Lemmon Survey |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2019-10-22.0000000 |
| e |
0.38496514 |
| q (au) |
2.124832 |
| a (au) |
3.454816 |
| i (deg) |
4.896248 |
| Ω (om, deg) |
80.835926 |
| ω (w, deg) |
92.339614 |
| M (ma, deg) |
344.371557 |
밝기
산란 + 전체 선형
$$
M_a = (H_0 + n\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
- |
| n |
- |
| gf |
- |
| gb |
- |
| k |
- |
| δ90 |
- |
| 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 |
08:56:06.44 |
+21:33:46.6 |
HIP 43855 |
7.95 |
| 2026-06-01 12:00 |
08:57:02.49 |
+21:29:44.8 |
HIP 43985 |
10.31 |
| 2026-06-02 00:00 |
08:57:58.62 |
+21:25:41.6 |
HIP 43985 |
8.84 |
| 2026-06-02 12:00 |
08:58:54.84 |
+21:21:36.8 |
HIP 44097 |
11.63 |
| 2026-06-03 00:00 |
08:59:51.13 |
+21:17:30.6 |
HIP 44097 |
14.93 |
| 2026-06-03 12:00 |
09:00:47.51 |
+21:13:23.0 |
HIP 44259 |
13.89 |
| 2026-06-04 00:00 |
09:01:43.96 |
+21:09:13.8 |
HIP 44259 |
22.36 |
| 2026-06-04 12:00 |
09:02:40.49 |
+21:05:03.3 |
HIP 44408 |
26.12 |
| 2026-06-05 00:00 |
09:03:37.09 |
+21:00:51.2 |
HIP 44467 |
27.58 |
| 2026-06-05 12:00 |
09:04:33.77 |
+20:56:37.7 |
HIP 44467 |
27.06 |
| 2026-06-06 00:00 |
09:05:30.52 |
+20:52:22.8 |
HIP 44716 |
27.58 |
| 2026-06-06 12:00 |
09:06:27.34 |
+20:48:06.4 |
HIP 44716 |
17.87 |
| 2026-06-07 00:00 |
09:07:24.23 |
+20:43:48.6 |
HIP 44716 |
16.35 |
| 2026-06-07 12:00 |
09:08:21.20 |
+20:39:29.3 |
HIP 44792 |
22.82 |
| 2026-06-08 00:00 |
09:09:18.23 |
+20:35:08.6 |
HIP 44792 |
33.69 |
| 2026-06-08 12:00 |
09:10:15.33 |
+20:30:46.4 |
HIP 45131 |
21.67 |
| 2026-06-09 00:00 |
09:11:12.49 |
+20:26:22.8 |
HIP 45131 |
7.71 |
| 2026-06-09 12:00 |
09:12:09.73 |
+20:21:57.7 |
HIP 45131 |
6.82 |
| 2026-06-10 00:00 |
09:13:07.02 |
+20:17:31.3 |
HIP 45131 |
20.82 |
| 2026-06-10 12:00 |
09:14:04.39 |
+20:13:03.4 |
HIP 45483 |
29.48 |
| 2026-06-11 00:00 |
09:15:01.81 |
+20:08:34.0 |
HIP 45483 |
15.28 |
| 2026-06-11 12:00 |
09:15:59.30 |
+20:04:03.3 |
HIP 45483 |
1.25 |
| 2026-06-12 00:00 |
09:16:56.84 |
+19:59:31.1 |
HIP 45483 |
13.24 |
| 2026-06-12 12:00 |
09:17:54.45 |
+19:54:57.5 |
HIP 45483 |
27.52 |
| 2026-06-13 00:00 |
09:18:52.12 |
+19:50:22.4 |
HIP 45678 |
25.15 |
| 2026-06-13 12:00 |
09:19:49.84 |
+19:45:46.0 |
HIP 45678 |
25.78 |
| 2026-06-14 00:00 |
09:20:47.62 |
+19:41:08.2 |
HIP 45886 |
16.87 |
| 2026-06-14 12:00 |
09:21:45.45 |
+19:36:28.9 |
HIP 45886 |
11.43 |
| 2026-06-15 00:00 |
09:22:43.34 |
+19:31:48.3 |
HIP 45886 |
19.79 |
| 2026-06-15 12:00 |
09:23:41.29 |
+19:27:06.3 |
HIP 46104 |
6.20 |
| 2026-06-16 00:00 |
09:24:39.28 |
+19:22:22.9 |
HIP 46104 |
9.81 |
| 2026-06-16 12:00 |
09:25:37.33 |
+19:17:38.1 |
HIP 46304 |
19.47 |
| 2026-06-17 00:00 |
09:26:35.42 |
+19:12:51.9 |
HIP 46304 |
9.27 |
| 2026-06-17 12:00 |
09:27:33.56 |
+19:08:04.4 |
HIP 46304 |
14.66 |
| 2026-06-18 00:00 |
09:28:31.75 |
+19:03:15.5 |
HIP 46501 |
15.62 |
| 2026-06-18 12:00 |
09:29:29.99 |
+18:58:25.3 |
HIP 46570 |
8.91 |
| 2026-06-19 00:00 |
09:30:28.27 |
+18:53:33.7 |
HIP 46570 |
15.34 |
| 2026-06-19 12:00 |
09:31:26.59 |
+18:48:40.8 |
HIP 46570 |
28.63 |
| 2026-06-20 00:00 |
09:32:24.96 |
+18:43:46.6 |
HIP 46910 |
17.44 |
| 2026-06-20 12:00 |
09:33:23.37 |
+18:38:51.0 |
HIP 46910 |
6.45 |
| 2026-06-21 00:00 |
09:34:21.81 |
+18:33:54.1 |
HIP 46910 |
14.52 |
| 2026-06-21 12:00 |
09:35:20.30 |
+18:28:55.9 |
HIP 46910 |
28.52 |
| 2026-06-22 00:00 |
09:36:18.82 |
+18:23:56.4 |
HIP 47278 |
29.42 |