메타데이터
| 항목 |
값 |
| Designation |
P/2004 R3 (LINEAR-NEAT) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2004-05-24T11:56:33.253440Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:42Z |
| Obs used |
143 |
| NEO |
- |
| M1 |
17.000 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2004-09-30.0000000 |
| e |
0.44181829 |
| q (au) |
2.141488 |
| a (au) |
3.836543 |
| i (deg) |
7.972159 |
| Ω (om, deg) |
318.806424 |
| ω (w, deg) |
5.298112 |
| M (ma, deg) |
16.854088 |
밝기
산란 + 전체 선형
$$
M_a = (16.211 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
16.211 |
| n |
2.000 |
| gf |
1.000 |
| 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) |
| 2026-03-26 00:00 |
09:25:00.11 |
+09:13:31.9 |
HIP 46197 |
15.39 |
| 2026-03-26 12:00 |
09:24:51.74 |
+09:14:09.3 |
HIP 46197 |
15.24 |
| 2026-03-27 00:00 |
09:24:43.53 |
+09:14:46.1 |
HIP 46197 |
15.38 |
| 2026-03-27 12:00 |
09:24:35.48 |
+09:15:22.3 |
HIP 46197 |
15.80 |
| 2026-03-28 00:00 |
09:24:27.59 |
+09:15:58.0 |
HIP 46160 |
16.42 |
| 2026-03-28 12:00 |
09:24:19.85 |
+09:16:33.1 |
HIP 46160 |
16.61 |
| 2026-03-29 00:00 |
09:24:12.28 |
+09:17:07.6 |
HIP 46160 |
17.02 |
| 2026-03-29 12:00 |
09:24:04.86 |
+09:17:41.5 |
HIP 46160 |
17.61 |
| 2026-03-30 00:00 |
09:23:57.61 |
+09:18:14.9 |
HIP 46160 |
18.37 |
| 2026-03-30 12:00 |
09:23:50.52 |
+09:18:47.7 |
HIP 46160 |
19.26 |
| 2026-03-31 00:00 |
09:23:43.59 |
+09:19:19.8 |
HIP 46160 |
20.25 |
| 2026-03-31 12:00 |
09:23:36.82 |
+09:19:51.4 |
HIP 46160 |
21.32 |
| 2026-04-01 00:00 |
09:23:30.22 |
+09:20:22.4 |
HIP 46160 |
22.44 |
| 2026-04-01 12:00 |
09:23:23.78 |
+09:20:52.8 |
HIP 46160 |
23.60 |
| 2026-04-02 00:00 |
09:23:17.50 |
+09:21:22.5 |
HIP 46160 |
24.78 |
| 2026-04-02 12:00 |
09:23:11.39 |
+09:21:51.7 |
HIP 46160 |
25.98 |
| 2026-04-03 00:00 |
09:23:05.45 |
+09:22:20.2 |
HIP 45909 |
26.85 |
| 2026-04-03 12:00 |
09:22:59.67 |
+09:22:48.1 |
HIP 45909 |
26.03 |
| 2026-04-04 00:00 |
09:22:54.05 |
+09:23:15.4 |
HIP 45909 |
25.29 |
| 2026-04-04 12:00 |
09:22:48.60 |
+09:23:42.0 |
HIP 45909 |
24.64 |
| 2026-04-05 00:00 |
09:22:43.32 |
+09:24:08.0 |
HIP 45909 |
24.07 |
| 2026-04-05 12:00 |
09:22:38.21 |
+09:24:33.4 |
HIP 45909 |
23.59 |
| 2026-04-06 00:00 |
09:22:33.26 |
+09:24:58.2 |
HIP 45909 |
23.19 |
| 2026-04-06 12:00 |
09:22:28.48 |
+09:25:22.3 |
HIP 45909 |
22.87 |
| 2026-04-07 00:00 |
09:22:23.86 |
+09:25:45.7 |
HIP 45909 |
22.62 |
| 2026-04-07 12:00 |
09:22:19.42 |
+09:26:08.5 |
HIP 45909 |
22.44 |
| 2026-04-08 00:00 |
09:22:15.14 |
+09:26:30.7 |
HIP 45909 |
22.33 |
| 2026-04-08 12:00 |
09:22:11.03 |
+09:26:52.2 |
HIP 45909 |
22.28 |
| 2026-04-09 00:00 |
09:22:07.09 |
+09:27:13.0 |
HIP 45909 |
22.28 |
| 2026-04-09 12:00 |
09:22:03.32 |
+09:27:33.2 |
HIP 45909 |
22.33 |
| 2026-04-10 00:00 |
09:21:59.72 |
+09:27:52.7 |
HIP 45909 |
22.43 |
| 2026-04-10 12:00 |
09:21:56.29 |
+09:28:11.5 |
HIP 45909 |
22.56 |
| 2026-04-11 00:00 |
09:21:53.03 |
+09:28:29.6 |
HIP 45909 |
22.72 |
| 2026-04-11 12:00 |
09:21:49.94 |
+09:28:47.1 |
HIP 45909 |
22.90 |
| 2026-04-12 00:00 |
09:21:47.01 |
+09:29:03.9 |
HIP 45909 |
23.10 |
| 2026-04-12 12:00 |
09:21:44.26 |
+09:29:20.0 |
HIP 45909 |
23.32 |
| 2026-04-13 00:00 |
09:21:41.68 |
+09:29:35.4 |
HIP 45909 |
23.55 |
| 2026-04-13 12:00 |
09:21:39.27 |
+09:29:50.1 |
HIP 45909 |
23.79 |
| 2026-04-14 00:00 |
09:21:37.03 |
+09:30:04.2 |
HIP 45909 |
24.03 |
| 2026-04-14 12:00 |
09:21:34.95 |
+09:30:17.5 |
HIP 45909 |
24.27 |
| 2026-04-15 00:00 |
09:21:33.05 |
+09:30:30.2 |
HIP 45909 |
24.50 |
| 2026-04-15 12:00 |
09:21:31.32 |
+09:30:42.1 |
HIP 45909 |
24.73 |
| 2026-04-16 00:00 |
09:21:29.76 |
+09:30:53.3 |
HIP 45909 |
24.94 |