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) |
| 2026-07-29 00:00 |
10:02:46.01 |
+06:02:27.7 |
HIP 49342 |
24.28 |
| 2026-07-29 12:00 |
10:03:06.07 |
+06:00:27.6 |
HIP 49342 |
19.23 |
| 2026-07-30 00:00 |
10:03:26.17 |
+05:58:27.2 |
HIP 49342 |
14.40 |
| 2026-07-30 12:00 |
10:03:46.29 |
+05:56:26.3 |
HIP 49342 |
10.15 |
| 2026-07-31 00:00 |
10:04:06.44 |
+05:54:25.0 |
HIP 49342 |
7.54 |
| 2026-07-31 12:00 |
10:04:26.62 |
+05:52:23.3 |
HIP 49342 |
8.32 |
| 2026-08-01 00:00 |
10:04:46.83 |
+05:50:21.2 |
HIP 49342 |
11.85 |
| 2026-08-01 12:00 |
10:05:07.07 |
+05:48:18.6 |
HIP 49342 |
16.45 |
| 2026-08-02 00:00 |
10:05:27.33 |
+05:46:15.7 |
HIP 49342 |
21.46 |
| 2026-08-02 12:00 |
10:05:47.62 |
+05:44:12.4 |
HIP 49530 |
16.67 |
| 2026-08-03 00:00 |
10:06:07.93 |
+05:42:08.7 |
HIP 49530 |
11.24 |
| 2026-08-03 12:00 |
10:06:28.27 |
+05:40:04.6 |
HIP 49530 |
5.85 |
| 2026-08-04 00:00 |
10:06:48.63 |
+05:38:00.1 |
HIP 49530 |
1.34 |
| 2026-08-04 12:00 |
10:07:09.01 |
+05:35:55.2 |
HIP 49530 |
5.42 |
| 2026-08-05 00:00 |
10:07:29.42 |
+05:33:49.9 |
HIP 49530 |
10.83 |
| 2026-08-05 12:00 |
10:07:49.85 |
+05:31:44.2 |
HIP 49530 |
16.30 |
| 2026-08-06 00:00 |
10:08:10.30 |
+05:29:38.1 |
HIP 49530 |
21.79 |
| 2026-08-06 12:00 |
10:08:30.78 |
+05:27:31.7 |
HIP 49530 |
27.30 |
| 2026-08-07 00:00 |
10:08:51.27 |
+05:25:24.9 |
HIP 49530 |
32.81 |
| 2026-08-07 12:00 |
10:09:11.79 |
+05:23:17.6 |
HIP 49880 |
29.61 |
| 2026-08-08 00:00 |
10:09:32.33 |
+05:21:10.1 |
HIP 49880 |
24.12 |
| 2026-08-08 12:00 |
10:09:52.88 |
+05:19:02.1 |
HIP 49880 |
18.65 |
| 2026-08-09 00:00 |
10:10:13.46 |
+05:16:53.8 |
HIP 49880 |
13.23 |
| 2026-08-09 12:00 |
10:10:34.05 |
+05:14:45.1 |
HIP 49880 |
8.00 |
| 2026-08-10 00:00 |
10:10:54.66 |
+05:12:36.0 |
HIP 49880 |
3.82 |
| 2026-08-10 12:00 |
10:11:15.29 |
+05:10:26.6 |
HIP 49880 |
5.21 |
| 2026-08-11 00:00 |
10:11:35.93 |
+05:08:16.9 |
HIP 49880 |
10.10 |
| 2026-08-11 12:00 |
10:11:56.59 |
+05:06:06.7 |
HIP 49936 |
13.08 |
| 2026-08-12 00:00 |
10:12:17.26 |
+05:03:56.2 |
HIP 49936 |
16.85 |
| 2026-08-12 12:00 |
10:12:37.95 |
+05:01:45.4 |
HIP 49936 |
21.43 |
| 2026-08-13 00:00 |
10:12:58.65 |
+04:59:34.2 |
HIP 50027 |
22.83 |
| 2026-08-13 12:00 |
10:13:19.36 |
+04:57:22.7 |
HIP 50027 |
21.90 |
| 2026-08-14 00:00 |
10:13:40.09 |
+04:55:10.9 |
HIP 50193 |
21.31 |
| 2026-08-14 12:00 |
10:14:00.82 |
+04:52:58.7 |
HIP 50193 |
19.42 |
| 2026-08-15 00:00 |
10:14:21.57 |
+04:50:46.2 |
HIP 50193 |
19.05 |
| 2026-08-15 12:00 |
10:14:42.33 |
+04:48:33.3 |
HIP 50193 |
20.30 |
| 2026-08-16 00:00 |
10:15:03.10 |
+04:46:20.2 |
HIP 50193 |
22.92 |
| 2026-08-16 12:00 |
10:15:23.88 |
+04:44:06.7 |
HIP 50193 |
26.49 |
| 2026-08-17 00:00 |
10:15:44.66 |
+04:41:52.9 |
HIP 50193 |
30.69 |
| 2026-08-17 12:00 |
10:16:05.45 |
+04:39:38.8 |
HIP 50429 |
25.86 |
| 2026-08-18 00:00 |
10:16:26.25 |
+04:37:24.4 |
HIP 50429 |
20.56 |
| 2026-08-18 12:00 |
10:16:47.06 |
+04:35:09.6 |
HIP 50429 |
15.49 |
| 2026-08-19 00:00 |
10:17:07.87 |
+04:32:54.6 |
HIP 50429 |
11.01 |