메타데이터
| 항목 |
값 |
| Designation |
368P/NEAT |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2018-09-09T00:50:13.459200Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:28:37Z |
| Obs used |
784 |
| NEO |
- |
| M1 |
14.600 |
| K1 |
8.250 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2018-06-13T04:32:59.712000Z |
| Discovery magnitude (MPC) |
19.40 N |
| Discovery observatory (MPC) |
J04 · ESA Optical Ground Station, Tenerife |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2012-06-05.0000000 |
| e |
0.62854670 |
| q (au) |
2.044313 |
| a (au) |
5.503554 |
| i (deg) |
15.447948 |
| Ω (om, deg) |
258.165998 |
| ω (w, deg) |
118.808346 |
| M (ma, deg) |
185.412933 |
밝기
산란 + 전체 선형
$$
M_a = (16.296 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
16.296 |
| n |
2.000 |
| gf |
0.850 |
| gb |
-0.721 |
| k |
0.940 |
| δ90 |
1.000 |
| 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) |
| 2026-06-01 00:00 |
13:03:57.37 |
-20:56:24.8 |
HIP 63869 |
21.42 |
| 2026-06-01 12:00 |
13:03:51.78 |
-20:55:05.2 |
HIP 63738 |
20.12 |
| 2026-06-02 00:00 |
13:03:46.29 |
-20:53:45.9 |
HIP 63738 |
18.75 |
| 2026-06-02 12:00 |
13:03:40.91 |
-20:52:27.0 |
HIP 63738 |
17.48 |
| 2026-06-03 00:00 |
13:03:35.64 |
-20:51:08.5 |
HIP 63738 |
16.31 |
| 2026-06-03 12:00 |
13:03:30.47 |
-20:49:50.3 |
HIP 63738 |
15.27 |
| 2026-06-04 00:00 |
13:03:25.41 |
-20:48:32.6 |
HIP 63738 |
14.37 |
| 2026-06-04 12:00 |
13:03:20.46 |
-20:47:15.3 |
HIP 63738 |
13.63 |
| 2026-06-05 00:00 |
13:03:15.61 |
-20:45:58.4 |
HIP 63738 |
13.07 |
| 2026-06-05 12:00 |
13:03:10.87 |
-20:44:41.9 |
HIP 63738 |
12.71 |
| 2026-06-06 00:00 |
13:03:06.24 |
-20:43:25.8 |
HIP 63738 |
12.55 |
| 2026-06-06 12:00 |
13:03:01.72 |
-20:42:10.2 |
HIP 63738 |
12.60 |
| 2026-06-07 00:00 |
13:02:57.31 |
-20:40:55.0 |
HIP 63673 |
11.54 |
| 2026-06-07 12:00 |
13:02:53.01 |
-20:39:40.3 |
HIP 63673 |
10.35 |
| 2026-06-08 00:00 |
13:02:48.81 |
-20:38:26.0 |
HIP 63673 |
9.28 |
| 2026-06-08 12:00 |
13:02:44.73 |
-20:37:12.2 |
HIP 63673 |
8.38 |
| 2026-06-09 00:00 |
13:02:40.76 |
-20:35:58.8 |
HIP 63673 |
7.69 |
| 2026-06-09 12:00 |
13:02:36.90 |
-20:34:46.0 |
HIP 63673 |
7.24 |
| 2026-06-10 00:00 |
13:02:33.15 |
-20:33:33.6 |
HIP 63673 |
7.08 |
| 2026-06-10 12:00 |
13:02:29.51 |
-20:32:21.7 |
HIP 63673 |
7.21 |
| 2026-06-11 00:00 |
13:02:25.98 |
-20:31:10.3 |
HIP 63673 |
7.61 |
| 2026-06-11 12:00 |
13:02:22.56 |
-20:29:59.4 |
HIP 63673 |
8.22 |
| 2026-06-12 00:00 |
13:02:19.26 |
-20:28:49.0 |
HIP 63673 |
8.99 |
| 2026-06-12 12:00 |
13:02:16.07 |
-20:27:39.1 |
HIP 63673 |
9.87 |
| 2026-06-13 00:00 |
13:02:12.99 |
-20:26:29.7 |
HIP 63673 |
10.83 |
| 2026-06-13 12:00 |
13:02:10.02 |
-20:25:20.9 |
HIP 63673 |
11.84 |
| 2026-06-14 00:00 |
13:02:07.17 |
-20:24:12.6 |
HIP 63673 |
12.89 |
| 2026-06-14 12:00 |
13:02:04.42 |
-20:23:04.8 |
HIP 63673 |
13.95 |
| 2026-06-15 00:00 |
13:02:01.80 |
-20:21:57.6 |
HIP 63673 |
15.02 |
| 2026-06-15 12:00 |
13:01:59.28 |
-20:20:50.9 |
HIP 63673 |
16.10 |
| 2026-06-16 00:00 |
13:01:56.88 |
-20:19:44.8 |
HIP 63673 |
17.17 |
| 2026-06-16 12:00 |
13:01:54.60 |
-20:18:39.3 |
HIP 63673 |
18.24 |
| 2026-06-17 00:00 |
13:01:52.42 |
-20:17:34.3 |
HIP 63673 |
19.30 |
| 2026-06-17 12:00 |
13:01:50.36 |
-20:16:29.9 |
HIP 63673 |
20.34 |
| 2026-06-18 00:00 |
13:01:48.42 |
-20:15:26.1 |
HIP 63673 |
21.38 |
| 2026-06-18 12:00 |
13:01:46.59 |
-20:14:22.8 |
HIP 63673 |
22.40 |
| 2026-06-19 00:00 |
13:01:44.87 |
-20:13:20.2 |
HIP 63673 |
23.40 |
| 2026-06-19 12:00 |
13:01:43.27 |
-20:12:18.1 |
HIP 63673 |
24.39 |
| 2026-06-20 00:00 |
13:01:41.78 |
-20:11:16.7 |
HIP 63592 |
24.96 |
| 2026-06-20 12:00 |
13:01:40.40 |
-20:10:15.8 |
HIP 63592 |
23.99 |
| 2026-06-21 00:00 |
13:01:39.14 |
-20:09:15.5 |
HIP 63592 |
23.03 |
| 2026-06-21 12:00 |
13:01:37.99 |
-20:08:15.9 |
HIP 63592 |
22.09 |
| 2026-06-22 00:00 |
13:01:36.95 |
-20:07:16.9 |
HIP 63592 |
21.17 |