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) |
| 2026-06-01 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 |
| 2026-06-02 12:00 |
01:50:20.84 |
+14:08:22.2 |
HIP 8532 |
7.06 |
| 2026-06-03 00:00 |
01:51:09.40 |
+14:13:47.8 |
HIP 8532 |
16.55 |
| 2026-06-03 12:00 |
01:51:57.90 |
+14:19:12.6 |
HIP 8774 |
15.47 |
| 2026-06-04 00:00 |
01:52:46.33 |
+14:24:36.4 |
HIP 8774 |
14.00 |
| 2026-06-04 12:00 |
01:53:34.70 |
+14:29:59.3 |
HIP 8774 |
22.04 |
| 2026-06-05 00:00 |
01:54:23.00 |
+14:35:21.3 |
HIP 8795 |
25.88 |
| 2026-06-05 12:00 |
01:55:11.24 |
+14:40:42.4 |
HIP 8981 |
26.04 |
| 2026-06-06 00:00 |
01:55:59.42 |
+14:46:02.5 |
HIP 8981 |
19.74 |
| 2026-06-06 12:00 |
01:56:47.53 |
+14:51:21.8 |
HIP 8981 |
20.72 |
| 2026-06-07 00:00 |
01:57:35.57 |
+14:56:40.1 |
HIP 8981 |
28.19 |
| 2026-06-07 12:00 |
01:58:23.54 |
+15:01:57.4 |
HIP 9301 |
22.05 |
| 2026-06-08 00:00 |
01:59:11.45 |
+15:07:13.9 |
HIP 9301 |
10.50 |
| 2026-06-08 12:00 |
01:59:59.28 |
+15:12:29.4 |
HIP 9301 |
7.54 |
| 2026-06-09 00:00 |
02:00:47.05 |
+15:17:43.9 |
HIP 9301 |
18.01 |
| 2026-06-09 12:00 |
02:01:34.75 |
+15:22:57.5 |
HIP 9522 |
14.74 |
| 2026-06-10 00:00 |
02:02:22.37 |
+15:28:10.2 |
HIP 9522 |
2.24 |
| 2026-06-10 12:00 |
02:03:09.92 |
+15:33:21.9 |
HIP 9522 |
10.49 |
| 2026-06-11 00:00 |
02:03:57.40 |
+15:38:32.6 |
HIP 9522 |
23.03 |
| 2026-06-11 12:00 |
02:04:44.81 |
+15:43:42.4 |
HIP 9758 |
16.15 |
| 2026-06-12 00:00 |
02:05:32.14 |
+15:48:51.3 |
HIP 9758 |
6.96 |
| 2026-06-12 12:00 |
02:06:19.39 |
+15:53:59.1 |
HIP 9758 |
12.14 |
| 2026-06-13 00:00 |
02:07:06.56 |
+15:59:06.0 |
HIP 9948 |
17.53 |
| 2026-06-13 12:00 |
02:07:53.66 |
+16:04:12.0 |
HIP 9948 |
16.11 |
| 2026-06-14 00:00 |
02:08:40.68 |
+16:09:16.9 |
HIP 9948 |
22.79 |
| 2026-06-14 12:00 |
02:09:27.62 |
+16:14:20.9 |
HIP 10207 |
31.32 |
| 2026-06-15 00:00 |
02:10:14.48 |
+16:19:23.9 |
HIP 10207 |
26.39 |
| 2026-06-15 12:00 |
02:11:01.25 |
+16:24:25.9 |
HIP 10207 |
26.76 |
| 2026-06-16 00:00 |
02:11:47.95 |
+16:29:26.9 |
HIP 10287 |
16.08 |
| 2026-06-16 12:00 |
02:12:34.56 |
+16:34:26.9 |
HIP 10287 |
7.68 |
| 2026-06-17 00:00 |
02:13:21.08 |
+16:39:25.9 |
HIP 10287 |
12.58 |
| 2026-06-17 12:00 |
02:14:07.52 |
+16:44:23.9 |
HIP 10375 |
12.50 |
| 2026-06-18 00:00 |
02:14:53.87 |
+16:49:21.0 |
HIP 10375 |
18.47 |
| 2026-06-18 12:00 |
02:15:40.13 |
+16:54:17.0 |
HIP 10665 |
22.62 |
| 2026-06-19 00:00 |
02:16:26.31 |
+16:59:12.0 |
HIP 10665 |
12.93 |
| 2026-06-19 12:00 |
02:17:12.39 |
+17:04:06.1 |
HIP 10665 |
10.72 |
| 2026-06-20 00:00 |
02:17:58.39 |
+17:08:59.1 |
HIP 10648 |
16.45 |
| 2026-06-20 12:00 |
02:18:44.29 |
+17:13:51.1 |
HIP 10648 |
24.55 |
| 2026-06-21 00:00 |
02:19:30.11 |
+17:18:42.2 |
HIP 10648 |
34.94 |
| 2026-06-21 12:00 |
02:20:15.83 |
+17:23:32.2 |
HIP 11112 |
40.95 |
| 2026-06-22 00:00 |
02:21:01.46 |
+17:28:21.2 |
HIP 11112 |
29.15 |