메타데이터
| 항목 |
값 |
| Designation |
303P/NEAT |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2014-10-10T07:58:46.963200Z |
| Orbit solution date (soln_date, UTC) |
2025-09-09T12:42:51Z |
| Obs used |
251 |
| NEO |
- |
| M1 |
16.200 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2010-04-12.0000000 |
| e |
0.51039462 |
| q (au) |
2.483970 |
| a (au) |
5.073413 |
| i (deg) |
7.038016 |
| Ω (om, deg) |
348.196199 |
| ω (w, deg) |
356.711414 |
| M (ma, deg) |
218.350575 |
밝기
산란 + 전체 선형
$$
M_a = (9.989 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
9.989 |
| n |
6.000 |
| gf |
0.999 |
| gb |
-1.000 |
| k |
1.000 |
| 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) |
| 2026-05-12 00:00 |
01:14:39.86 |
+10:01:23.6 |
HIP 5837 |
17.15 |
| 2026-05-12 12:00 |
01:15:30.70 |
+10:07:25.2 |
HIP 5898 |
20.71 |
| 2026-05-13 00:00 |
01:16:21.49 |
+10:13:26.0 |
HIP 6003 |
25.79 |
| 2026-05-13 12:00 |
01:17:12.24 |
+10:19:26.1 |
HIP 6003 |
16.37 |
| 2026-05-14 00:00 |
01:18:02.94 |
+10:25:25.4 |
HIP 6003 |
15.95 |
| 2026-05-14 12:00 |
01:18:53.60 |
+10:31:24.0 |
HIP 6003 |
24.95 |
| 2026-05-15 00:00 |
01:19:44.21 |
+10:37:21.8 |
HIP 6212 |
20.13 |
| 2026-05-15 12:00 |
01:20:34.78 |
+10:43:18.9 |
HIP 6212 |
19.60 |
| 2026-05-16 00:00 |
01:21:25.31 |
+10:49:15.2 |
HIP 6212 |
27.23 |
| 2026-05-16 12:00 |
01:22:15.78 |
+10:55:10.7 |
HIP 6484 |
16.22 |
| 2026-05-17 00:00 |
01:23:06.21 |
+11:01:05.4 |
HIP 6484 |
10.99 |
| 2026-05-17 12:00 |
01:23:56.59 |
+11:06:59.3 |
HIP 6484 |
18.82 |
| 2026-05-18 00:00 |
01:24:46.93 |
+11:12:52.5 |
HIP 6451 |
29.25 |
| 2026-05-18 12:00 |
01:25:37.21 |
+11:18:44.8 |
HIP 6730 |
16.20 |
| 2026-05-19 00:00 |
01:26:27.44 |
+11:24:36.3 |
HIP 6730 |
3.73 |
| 2026-05-19 12:00 |
01:27:17.63 |
+11:30:27.0 |
HIP 6764 |
9.28 |
| 2026-05-20 00:00 |
01:28:07.76 |
+11:36:16.9 |
HIP 6764 |
21.58 |
| 2026-05-20 12:00 |
01:28:57.85 |
+11:42:06.0 |
HIP 6764 |
34.83 |
| 2026-05-21 00:00 |
01:29:47.88 |
+11:47:54.2 |
HIP 6941 |
35.87 |
| 2026-05-21 12:00 |
01:30:37.86 |
+11:53:41.7 |
HIP 7184 |
28.24 |
| 2026-05-22 00:00 |
01:31:27.79 |
+11:59:28.2 |
HIP 7184 |
17.28 |
| 2026-05-22 12:00 |
01:32:17.66 |
+12:05:14.0 |
HIP 7184 |
12.85 |
| 2026-05-23 00:00 |
01:33:07.48 |
+12:10:58.9 |
HIP 7184 |
19.88 |
| 2026-05-23 12:00 |
01:33:57.25 |
+12:16:42.9 |
HIP 7364 |
21.41 |
| 2026-05-24 00:00 |
01:34:46.97 |
+12:22:26.2 |
HIP 7364 |
11.14 |
| 2026-05-24 12:00 |
01:35:36.63 |
+12:28:08.5 |
HIP 7367 |
12.03 |
| 2026-05-25 00:00 |
01:36:26.23 |
+12:33:50.0 |
HIP 7367 |
22.84 |
| 2026-05-25 12:00 |
01:37:15.78 |
+12:39:30.7 |
HIP 7621 |
17.37 |
| 2026-05-26 00:00 |
01:38:05.28 |
+12:45:10.5 |
HIP 7621 |
5.72 |
| 2026-05-26 12:00 |
01:38:54.72 |
+12:50:49.4 |
HIP 7621 |
10.89 |
| 2026-05-27 00:00 |
01:39:44.11 |
+12:56:27.5 |
HIP 7621 |
23.62 |
| 2026-05-27 12:00 |
01:40:33.44 |
+13:02:04.6 |
HIP 7621 |
36.72 |
| 2026-05-28 00:00 |
01:41:22.71 |
+13:07:41.0 |
HIP 8041 |
29.10 |
| 2026-05-28 12:00 |
01:42:11.92 |
+13:13:16.4 |
HIP 8041 |
22.05 |
| 2026-05-29 00:00 |
01:43:01.08 |
+13:18:51.0 |
HIP 8041 |
21.80 |
| 2026-05-29 12:00 |
01:43:50.18 |
+13:24:24.7 |
HIP 8041 |
28.50 |
| 2026-05-30 00:00 |
01:44:39.22 |
+13:29:57.5 |
HIP 8126 |
33.61 |
| 2026-05-30 12:00 |
01:45:28.20 |
+13:35:29.4 |
HIP 8126 |
31.83 |
| 2026-05-31 00:00 |
01:46:17.13 |
+13:41:00.4 |
HIP 8126 |
35.22 |
| 2026-05-31 12:00 |
01:47:05.99 |
+13:46:30.6 |
HIP 8426 |
28.37 |
| 2026-06-01 00:00 |
01:47:54.79 |
+13:51:59.8 |
HIP 8426 |
15.87 |
| 2026-06-01 12:00 |
01:48:43.54 |
+13:57:28.2 |
HIP 8426 |
6.29 |
| 2026-06-02 00:00 |
01:49:32.22 |
+14:02:55.6 |
HIP 8532 |
12.74 |