메타데이터
| 항목 |
값 |
| Designation |
355P/LINEAR-NEAT |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2011-04-24T14:28:48.817920Z |
| Orbit solution date (soln_date, UTC) |
2023-02-13T23:14:08Z |
| Obs used |
962 |
| NEO |
- |
| M1 |
12.900 |
| K1 |
17.250 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2011-04-16.0000000 |
| e |
0.50812349 |
| q (au) |
1.707731 |
| a (au) |
3.471870 |
| i (deg) |
11.044216 |
| Ω (om, deg) |
51.441541 |
| ω (w, deg) |
336.401134 |
| M (ma, deg) |
358.689231 |
밝기
산란 + 전체 선형
$$
M_a = (17.405 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
17.405 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.635 |
| k |
0.800 |
| 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) |
| 2026-07-29 00:00 |
12:06:22.78 |
+06:46:20.1 |
HIP 59147 |
19.68 |
| 2026-07-29 12:00 |
12:06:40.30 |
+06:43:39.7 |
HIP 59147 |
15.54 |
| 2026-07-30 00:00 |
12:06:57.90 |
+06:40:59.1 |
HIP 59147 |
12.14 |
| 2026-07-30 12:00 |
12:07:15.59 |
+06:38:18.1 |
HIP 59147 |
10.28 |
| 2026-07-31 00:00 |
12:07:33.36 |
+06:35:36.9 |
HIP 59147 |
10.82 |
| 2026-07-31 12:00 |
12:07:51.22 |
+06:32:55.4 |
HIP 59147 |
13.49 |
| 2026-08-01 00:00 |
12:08:09.17 |
+06:30:13.6 |
HIP 59147 |
17.35 |
| 2026-08-01 12:00 |
12:08:27.20 |
+06:27:31.6 |
HIP 59147 |
21.80 |
| 2026-08-02 00:00 |
12:08:45.31 |
+06:24:49.2 |
HIP 59170 |
25.00 |
| 2026-08-02 12:00 |
12:09:03.50 |
+06:22:06.6 |
HIP 59170 |
25.02 |
| 2026-08-03 00:00 |
12:09:21.77 |
+06:19:23.8 |
HIP 59170 |
26.14 |
| 2026-08-03 12:00 |
12:09:40.13 |
+06:16:40.6 |
HIP 59170 |
28.24 |
| 2026-08-04 00:00 |
12:09:58.56 |
+06:13:57.2 |
HIP 59309 |
25.57 |
| 2026-08-04 12:00 |
12:10:17.08 |
+06:11:13.6 |
HIP 59309 |
23.06 |
| 2026-08-05 00:00 |
12:10:35.67 |
+06:08:29.7 |
HIP 59309 |
21.61 |
| 2026-08-05 12:00 |
12:10:54.35 |
+06:05:45.6 |
HIP 59309 |
21.46 |
| 2026-08-06 00:00 |
12:11:13.10 |
+06:03:01.2 |
HIP 59520 |
17.44 |
| 2026-08-06 12:00 |
12:11:31.92 |
+06:00:16.6 |
HIP 59520 |
13.24 |
| 2026-08-07 00:00 |
12:11:50.83 |
+05:57:31.7 |
HIP 59510 |
8.43 |
| 2026-08-07 12:00 |
12:12:09.81 |
+05:54:46.7 |
HIP 59510 |
3.10 |
| 2026-08-08 00:00 |
12:12:28.86 |
+05:52:01.4 |
HIP 59510 |
2.81 |
| 2026-08-08 12:00 |
12:12:47.99 |
+05:49:15.8 |
HIP 59510 |
8.16 |
| 2026-08-09 00:00 |
12:13:07.19 |
+05:46:30.1 |
HIP 59510 |
13.65 |
| 2026-08-09 12:00 |
12:13:26.47 |
+05:43:44.1 |
HIP 59510 |
19.17 |
| 2026-08-10 00:00 |
12:13:45.82 |
+05:40:58.0 |
HIP 59510 |
24.72 |
| 2026-08-10 12:00 |
12:14:05.24 |
+05:38:11.6 |
HIP 59816 |
28.18 |
| 2026-08-11 00:00 |
12:14:24.73 |
+05:35:25.0 |
HIP 59816 |
23.53 |
| 2026-08-11 12:00 |
12:14:44.29 |
+05:32:38.3 |
HIP 59816 |
19.35 |
| 2026-08-12 00:00 |
12:15:03.92 |
+05:29:51.3 |
HIP 59816 |
16.06 |
| 2026-08-12 12:00 |
12:15:23.62 |
+05:27:04.2 |
HIP 59816 |
14.29 |
| 2026-08-13 00:00 |
12:15:43.39 |
+05:24:16.9 |
HIP 59816 |
14.63 |
| 2026-08-13 12:00 |
12:16:03.23 |
+05:21:29.4 |
HIP 59816 |
16.97 |
| 2026-08-14 00:00 |
12:16:23.13 |
+05:18:41.8 |
HIP 59816 |
20.65 |
| 2026-08-14 12:00 |
12:16:43.10 |
+05:15:54.0 |
HIP 59816 |
25.10 |
| 2026-08-15 00:00 |
12:17:03.13 |
+05:13:06.0 |
HIP 59816 |
29.99 |
| 2026-08-15 12:00 |
12:17:23.23 |
+05:10:17.9 |
HIP 59762 |
34.85 |
| 2026-08-16 00:00 |
12:17:43.39 |
+05:07:29.6 |
HIP 59762 |
38.41 |
| 2026-08-16 12:00 |
12:18:03.61 |
+05:04:41.2 |
HIP 60112 |
36.97 |
| 2026-08-17 00:00 |
12:18:23.90 |
+05:01:52.7 |
HIP 60112 |
36.25 |
| 2026-08-17 12:00 |
12:18:44.24 |
+04:59:04.0 |
HIP 60112 |
36.44 |
| 2026-08-18 00:00 |
12:19:04.65 |
+04:56:15.2 |
HIP 60141 |
31.86 |
| 2026-08-18 12:00 |
12:19:25.12 |
+04:53:26.3 |
HIP 60141 |
27.36 |
| 2026-08-19 00:00 |
12:19:45.64 |
+04:50:37.2 |
HIP 60141 |
23.44 |