메타데이터
| 항목 |
값 |
| Designation |
C/2004 P1 (NEAT) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2003-08-08T17:39:35.953920Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:42Z |
| Obs used |
148 |
| NEO |
- |
| M1 |
10.300 |
| K1 |
6.750 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2004-09-09.0000000 |
| e |
0.99925569 |
| q (au) |
6.013775 |
| a (au) |
8079.698737 |
| i (deg) |
28.816238 |
| Ω (om, deg) |
284.183334 |
| ω (w, deg) |
16.584545 |
| M (ma, deg) |
0.000539 |
밝기
산란 + 전체 선형
$$
M_a = (10.537 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
10.537 |
| n |
2.000 |
| gf |
0.999 |
| gb |
-0.501 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-09-20 00:00 |
05:11:23.58 |
+36:26:46.4 |
HIP 24184 |
29.41 |
| 2026-09-20 12:00 |
05:11:23.29 |
+36:26:54.6 |
HIP 24184 |
29.55 |
| 2026-09-21 00:00 |
05:11:22.96 |
+36:27:02.7 |
HIP 24184 |
29.69 |
| 2026-09-21 12:00 |
05:11:22.61 |
+36:27:10.7 |
HIP 24184 |
29.83 |
| 2026-09-22 00:00 |
05:11:22.22 |
+36:27:18.7 |
HIP 24184 |
29.97 |
| 2026-09-22 12:00 |
05:11:21.80 |
+36:27:26.7 |
HIP 24184 |
30.11 |
| 2026-09-23 00:00 |
05:11:21.36 |
+36:27:34.6 |
HIP 24184 |
30.25 |
| 2026-09-23 12:00 |
05:11:20.88 |
+36:27:42.5 |
HIP 24184 |
30.38 |
| 2026-09-24 00:00 |
05:11:20.37 |
+36:27:50.3 |
HIP 24184 |
30.52 |
| 2026-09-24 12:00 |
05:11:19.83 |
+36:27:58.1 |
HIP 24184 |
30.66 |
| 2026-09-25 00:00 |
05:11:19.26 |
+36:28:05.9 |
HIP 24184 |
30.80 |
| 2026-09-25 12:00 |
05:11:18.66 |
+36:28:13.6 |
HIP 24184 |
30.94 |
| 2026-09-26 00:00 |
05:11:18.03 |
+36:28:21.2 |
HIP 24184 |
31.08 |
| 2026-09-26 12:00 |
05:11:17.37 |
+36:28:28.8 |
HIP 24184 |
31.22 |
| 2026-09-27 00:00 |
05:11:16.68 |
+36:28:36.3 |
HIP 24184 |
31.36 |
| 2026-09-27 12:00 |
05:11:15.96 |
+36:28:43.8 |
HIP 24184 |
31.50 |
| 2026-09-28 00:00 |
05:11:15.21 |
+36:28:51.3 |
HIP 24184 |
31.64 |
| 2026-09-28 12:00 |
05:11:14.43 |
+36:28:58.7 |
HIP 24184 |
31.79 |
| 2026-09-29 00:00 |
05:11:13.62 |
+36:29:06.0 |
HIP 24184 |
31.93 |
| 2026-09-29 12:00 |
05:11:12.78 |
+36:29:13.3 |
HIP 24184 |
32.07 |
| 2026-09-30 00:00 |
05:11:11.90 |
+36:29:20.6 |
HIP 24184 |
32.21 |
| 2026-09-30 12:00 |
05:11:11.00 |
+36:29:27.7 |
HIP 24184 |
32.36 |
| 2026-10-01 00:00 |
05:11:10.07 |
+36:29:34.9 |
HIP 24184 |
32.50 |
| 2026-10-01 12:00 |
05:11:09.11 |
+36:29:42.0 |
HIP 24184 |
32.65 |
| 2026-10-02 00:00 |
05:11:08.12 |
+36:29:49.0 |
HIP 24184 |
32.80 |
| 2026-10-02 12:00 |
05:11:07.10 |
+36:29:55.9 |
HIP 24184 |
32.94 |
| 2026-10-03 00:00 |
05:11:06.05 |
+36:30:02.8 |
HIP 24184 |
33.09 |
| 2026-10-03 12:00 |
05:11:04.97 |
+36:30:09.7 |
HIP 24029 |
33.09 |
| 2026-10-04 00:00 |
05:11:03.86 |
+36:30:16.5 |
HIP 24029 |
32.89 |
| 2026-10-04 12:00 |
05:11:02.72 |
+36:30:23.2 |
HIP 24029 |
32.70 |
| 2026-10-05 00:00 |
05:11:01.55 |
+36:30:29.9 |
HIP 24029 |
32.50 |
| 2026-10-05 12:00 |
05:11:00.35 |
+36:30:36.5 |
HIP 24029 |
32.30 |
| 2026-10-06 00:00 |
05:10:59.12 |
+36:30:43.0 |
HIP 24029 |
32.11 |
| 2026-10-06 12:00 |
05:10:57.87 |
+36:30:49.5 |
HIP 24029 |
31.91 |
| 2026-10-07 00:00 |
05:10:56.58 |
+36:30:55.9 |
HIP 24029 |
31.71 |
| 2026-10-07 12:00 |
05:10:55.26 |
+36:31:02.2 |
HIP 24029 |
31.52 |
| 2026-10-08 00:00 |
05:10:53.92 |
+36:31:08.5 |
HIP 24029 |
31.32 |
| 2026-10-08 12:00 |
05:10:52.55 |
+36:31:14.7 |
HIP 24029 |
31.12 |
| 2026-10-09 00:00 |
05:10:51.14 |
+36:31:20.9 |
HIP 24029 |
30.93 |
| 2026-10-09 12:00 |
05:10:49.71 |
+36:31:27.0 |
HIP 24029 |
30.73 |
| 2026-10-10 00:00 |
05:10:48.25 |
+36:31:33.0 |
HIP 24029 |
30.53 |
| 2026-10-10 12:00 |
05:10:46.76 |
+36:31:38.9 |
HIP 24029 |
30.34 |
| 2026-10-11 00:00 |
05:10:45.25 |
+36:31:44.8 |
HIP 24029 |
30.15 |