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) |
| 2026-09-20 00:00 |
19:28:58.82 |
-37:17:30.3 |
HIP 95864 |
18.46 |
| 2026-09-20 12:00 |
19:28:57.38 |
-37:17:15.7 |
HIP 95864 |
18.42 |
| 2026-09-21 00:00 |
19:28:55.98 |
-37:17:01.0 |
HIP 95864 |
18.39 |
| 2026-09-21 12:00 |
19:28:54.62 |
-37:16:46.2 |
HIP 95864 |
18.36 |
| 2026-09-22 00:00 |
19:28:53.31 |
-37:16:31.2 |
HIP 95743 |
18.04 |
| 2026-09-22 12:00 |
19:28:52.04 |
-37:16:16.1 |
HIP 95743 |
17.72 |
| 2026-09-23 00:00 |
19:28:50.82 |
-37:16:00.9 |
HIP 95743 |
17.41 |
| 2026-09-23 12:00 |
19:28:49.64 |
-37:15:45.6 |
HIP 95743 |
17.10 |
| 2026-09-24 00:00 |
19:28:48.51 |
-37:15:30.2 |
HIP 95743 |
16.79 |
| 2026-09-24 12:00 |
19:28:47.42 |
-37:15:14.6 |
HIP 95743 |
16.48 |
| 2026-09-25 00:00 |
19:28:46.37 |
-37:14:58.9 |
HIP 95743 |
16.17 |
| 2026-09-25 12:00 |
19:28:45.38 |
-37:14:43.1 |
HIP 95743 |
15.87 |
| 2026-09-26 00:00 |
19:28:44.42 |
-37:14:27.2 |
HIP 95743 |
15.57 |
| 2026-09-26 12:00 |
19:28:43.52 |
-37:14:11.2 |
HIP 95743 |
15.26 |
| 2026-09-27 00:00 |
19:28:42.65 |
-37:13:55.0 |
HIP 95743 |
14.96 |
| 2026-09-27 12:00 |
19:28:41.84 |
-37:13:38.8 |
HIP 95743 |
14.66 |
| 2026-09-28 00:00 |
19:28:41.07 |
-37:13:22.4 |
HIP 95743 |
14.36 |
| 2026-09-28 12:00 |
19:28:40.34 |
-37:13:05.9 |
HIP 95743 |
14.06 |
| 2026-09-29 00:00 |
19:28:39.66 |
-37:12:49.3 |
HIP 95743 |
13.77 |
| 2026-09-29 12:00 |
19:28:39.03 |
-37:12:32.6 |
HIP 95743 |
13.47 |
| 2026-09-30 00:00 |
19:28:38.44 |
-37:12:15.8 |
HIP 95743 |
13.17 |
| 2026-09-30 12:00 |
19:28:37.90 |
-37:11:58.9 |
HIP 95743 |
12.87 |
| 2026-10-01 00:00 |
19:28:37.40 |
-37:11:41.9 |
HIP 95743 |
12.58 |
| 2026-10-01 12:00 |
19:28:36.95 |
-37:11:24.8 |
HIP 95743 |
12.28 |
| 2026-10-02 00:00 |
19:28:36.54 |
-37:11:07.6 |
HIP 95743 |
11.98 |
| 2026-10-02 12:00 |
19:28:36.19 |
-37:10:50.3 |
HIP 95743 |
11.69 |
| 2026-10-03 00:00 |
19:28:35.87 |
-37:10:32.8 |
HIP 95743 |
11.39 |
| 2026-10-03 12:00 |
19:28:35.61 |
-37:10:15.3 |
HIP 95743 |
11.09 |
| 2026-10-04 00:00 |
19:28:35.39 |
-37:09:57.7 |
HIP 95743 |
10.80 |
| 2026-10-04 12:00 |
19:28:35.22 |
-37:09:40.0 |
HIP 95743 |
10.50 |
| 2026-10-05 00:00 |
19:28:35.09 |
-37:09:22.2 |
HIP 95743 |
10.20 |
| 2026-10-05 12:00 |
19:28:35.01 |
-37:09:04.3 |
HIP 95743 |
9.91 |
| 2026-10-06 00:00 |
19:28:34.98 |
-37:08:46.3 |
HIP 95743 |
9.61 |
| 2026-10-06 12:00 |
19:28:34.99 |
-37:08:28.2 |
HIP 95743 |
9.32 |
| 2026-10-07 00:00 |
19:28:35.05 |
-37:08:10.1 |
HIP 95743 |
9.02 |
| 2026-10-07 12:00 |
19:28:35.16 |
-37:07:51.8 |
HIP 95743 |
8.73 |
| 2026-10-08 00:00 |
19:28:35.31 |
-37:07:33.4 |
HIP 95743 |
8.44 |
| 2026-10-08 12:00 |
19:28:35.51 |
-37:07:15.0 |
HIP 95743 |
8.15 |
| 2026-10-09 00:00 |
19:28:35.76 |
-37:06:56.5 |
HIP 95743 |
7.86 |
| 2026-10-09 12:00 |
19:28:36.05 |
-37:06:37.9 |
HIP 95743 |
7.58 |
| 2026-10-10 00:00 |
19:28:36.40 |
-37:06:19.2 |
HIP 95743 |
7.30 |
| 2026-10-10 12:00 |
19:28:36.78 |
-37:06:00.4 |
HIP 95743 |
7.02 |
| 2026-10-11 00:00 |
19:28:37.22 |
-37:05:41.6 |
HIP 95743 |
6.75 |