메타데이터
| 항목 |
값 |
| Designation |
165P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2000-06-15T19:02:32.447040Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:27:43Z |
| Obs used |
143 |
| NEO |
- |
| M1 |
5.900 |
| K1 |
11.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2001-07-24.0000000 |
| e |
0.62158598 |
| q (au) |
6.830373 |
| a (au) |
18.050001 |
| i (deg) |
15.905264 |
| Ω (om, deg) |
0.638768 |
| ω (w, deg) |
126.205423 |
| M (ma, deg) |
5.182220 |
밝기
산란 + 전체 선형
$$
M_a = (4.024 + 5.222\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
4.024 |
| n |
5.222 |
| gf |
1.000 |
| gb |
-0.919 |
| 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) |
| 2026-06-01 00:00 |
19:43:35.64 |
-37:04:17.1 |
HIP 97000 |
23.49 |
| 2026-06-01 12:00 |
19:43:32.34 |
-37:04:35.5 |
HIP 97000 |
22.99 |
| 2026-06-02 00:00 |
19:43:29.01 |
-37:04:53.9 |
HIP 97000 |
22.49 |
| 2026-06-02 12:00 |
19:43:25.65 |
-37:05:12.2 |
HIP 97000 |
22.01 |
| 2026-06-03 00:00 |
19:43:22.26 |
-37:05:30.5 |
HIP 97000 |
21.54 |
| 2026-06-03 12:00 |
19:43:18.83 |
-37:05:48.7 |
HIP 97000 |
21.09 |
| 2026-06-04 00:00 |
19:43:15.37 |
-37:06:06.9 |
HIP 97000 |
20.65 |
| 2026-06-04 12:00 |
19:43:11.87 |
-37:06:25.0 |
HIP 97000 |
20.23 |
| 2026-06-05 00:00 |
19:43:08.35 |
-37:06:43.1 |
HIP 97000 |
19.83 |
| 2026-06-05 12:00 |
19:43:04.79 |
-37:07:01.1 |
HIP 97000 |
19.46 |
| 2026-06-06 00:00 |
19:43:01.20 |
-37:07:19.0 |
HIP 97000 |
19.10 |
| 2026-06-06 12:00 |
19:42:57.58 |
-37:07:36.9 |
HIP 97000 |
18.78 |
| 2026-06-07 00:00 |
19:42:53.93 |
-37:07:54.7 |
HIP 97000 |
18.48 |
| 2026-06-07 12:00 |
19:42:50.25 |
-37:08:12.5 |
HIP 97000 |
18.21 |
| 2026-06-08 00:00 |
19:42:46.54 |
-37:08:30.1 |
HIP 97000 |
17.98 |
| 2026-06-08 12:00 |
19:42:42.80 |
-37:08:47.8 |
HIP 97000 |
17.77 |
| 2026-06-09 00:00 |
19:42:39.03 |
-37:09:05.3 |
HIP 97000 |
17.61 |
| 2026-06-09 12:00 |
19:42:35.22 |
-37:09:22.8 |
HIP 97000 |
17.48 |
| 2026-06-10 00:00 |
19:42:31.39 |
-37:09:40.2 |
HIP 97000 |
17.40 |
| 2026-06-10 12:00 |
19:42:27.53 |
-37:09:57.5 |
HIP 97000 |
17.35 |
| 2026-06-11 00:00 |
19:42:23.65 |
-37:10:14.8 |
HIP 97000 |
17.35 |
| 2026-06-11 12:00 |
19:42:19.73 |
-37:10:32.0 |
HIP 97000 |
17.38 |
| 2026-06-12 00:00 |
19:42:15.79 |
-37:10:49.1 |
HIP 97000 |
17.47 |
| 2026-06-12 12:00 |
19:42:11.82 |
-37:11:06.1 |
HIP 97000 |
17.59 |
| 2026-06-13 00:00 |
19:42:07.82 |
-37:11:23.0 |
HIP 97000 |
17.76 |
| 2026-06-13 12:00 |
19:42:03.79 |
-37:11:39.8 |
HIP 97000 |
17.97 |
| 2026-06-14 00:00 |
19:41:59.74 |
-37:11:56.6 |
HIP 97000 |
18.22 |
| 2026-06-14 12:00 |
19:41:55.67 |
-37:12:13.3 |
HIP 97000 |
18.51 |
| 2026-06-15 00:00 |
19:41:51.56 |
-37:12:29.8 |
HIP 97000 |
18.84 |
| 2026-06-15 12:00 |
19:41:47.43 |
-37:12:46.3 |
HIP 97000 |
19.21 |
| 2026-06-16 00:00 |
19:41:43.28 |
-37:13:02.7 |
HIP 97000 |
19.61 |
| 2026-06-16 12:00 |
19:41:39.10 |
-37:13:19.0 |
HIP 97000 |
20.05 |
| 2026-06-17 00:00 |
19:41:34.90 |
-37:13:35.2 |
HIP 97000 |
20.52 |
| 2026-06-17 12:00 |
19:41:30.68 |
-37:13:51.3 |
HIP 96752 |
19.87 |
| 2026-06-18 00:00 |
19:41:26.43 |
-37:14:07.3 |
HIP 96752 |
19.01 |
| 2026-06-18 12:00 |
19:41:22.16 |
-37:14:23.2 |
HIP 96752 |
18.15 |
| 2026-06-19 00:00 |
19:41:17.87 |
-37:14:39.0 |
HIP 96752 |
17.29 |
| 2026-06-19 12:00 |
19:41:13.55 |
-37:14:54.7 |
HIP 96752 |
16.43 |
| 2026-06-20 00:00 |
19:41:09.21 |
-37:15:10.2 |
HIP 96752 |
15.57 |
| 2026-06-20 12:00 |
19:41:04.86 |
-37:15:25.7 |
HIP 96752 |
14.71 |
| 2026-06-21 00:00 |
19:41:00.48 |
-37:15:41.1 |
HIP 96752 |
13.86 |
| 2026-06-21 12:00 |
19:40:56.08 |
-37:15:56.3 |
HIP 96752 |
13.02 |
| 2026-06-22 00:00 |
19:40:51.66 |
-37:16:11.4 |
HIP 96752 |
12.18 |