메타데이터
| 항목 |
값 |
| Designation |
392P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2005-01-10T10:13:16.317120Z |
| Orbit solution date (soln_date, UTC) |
2021-05-02T23:43:04Z |
| Obs used |
387 |
| NEO |
- |
| M1 |
16.400 |
| K1 |
6.250 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2019-10-26T23:06:55.296000Z |
| Discovery magnitude (MPC) |
19.20 R |
| Discovery observatory (MPC) |
K88 · GINOP-KHK, Piszkéstető |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2007-07-23.0000000 |
| e |
0.68253089 |
| q (au) |
1.954181 |
| a (au) |
6.155501 |
| i (deg) |
4.936928 |
| Ω (om, deg) |
25.107005 |
| ω (w, deg) |
71.998314 |
| M (ma, deg) |
59.604733 |
밝기
산란 + 전체 선형
$$
M_a = (13.743 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
13.743 |
| n |
6.000 |
| gf |
0.999 |
| gb |
-0.765 |
| k |
0.987 |
| 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) |
| 2026-03-26 00:00 |
18:10:06.00 |
-27:48:08.1 |
HIP 88906 |
15.93 |
| 2026-03-26 12:00 |
18:10:07.87 |
-27:48:22.5 |
HIP 88906 |
16.36 |
| 2026-03-27 00:00 |
18:10:09.63 |
-27:48:36.9 |
HIP 88906 |
16.76 |
| 2026-03-27 12:00 |
18:10:11.27 |
-27:48:51.3 |
HIP 88906 |
17.15 |
| 2026-03-28 00:00 |
18:10:12.80 |
-27:49:05.8 |
HIP 88906 |
17.51 |
| 2026-03-28 12:00 |
18:10:14.22 |
-27:49:20.3 |
HIP 89088 |
17.61 |
| 2026-03-29 00:00 |
18:10:15.52 |
-27:49:34.9 |
HIP 89088 |
17.25 |
| 2026-03-29 12:00 |
18:10:16.71 |
-27:49:49.5 |
HIP 89088 |
16.91 |
| 2026-03-30 00:00 |
18:10:17.78 |
-27:50:04.2 |
HIP 89088 |
16.58 |
| 2026-03-30 12:00 |
18:10:18.74 |
-27:50:18.8 |
HIP 89088 |
16.26 |
| 2026-03-31 00:00 |
18:10:19.59 |
-27:50:33.6 |
HIP 89088 |
15.95 |
| 2026-03-31 12:00 |
18:10:20.32 |
-27:50:48.3 |
HIP 89088 |
15.66 |
| 2026-04-01 00:00 |
18:10:20.94 |
-27:51:03.1 |
HIP 89088 |
15.38 |
| 2026-04-01 12:00 |
18:10:21.44 |
-27:51:17.9 |
HIP 89088 |
15.11 |
| 2026-04-02 00:00 |
18:10:21.83 |
-27:51:32.8 |
HIP 89088 |
14.85 |
| 2026-04-02 12:00 |
18:10:22.10 |
-27:51:47.6 |
HIP 89088 |
14.61 |
| 2026-04-03 00:00 |
18:10:22.26 |
-27:52:02.5 |
HIP 89088 |
14.38 |
| 2026-04-03 12:00 |
18:10:22.30 |
-27:52:17.5 |
HIP 89088 |
14.16 |
| 2026-04-04 00:00 |
18:10:22.23 |
-27:52:32.4 |
HIP 89088 |
13.96 |
| 2026-04-04 12:00 |
18:10:22.05 |
-27:52:47.4 |
HIP 89088 |
13.77 |
| 2026-04-05 00:00 |
18:10:21.75 |
-27:53:02.4 |
HIP 89088 |
13.60 |
| 2026-04-05 12:00 |
18:10:21.33 |
-27:53:17.5 |
HIP 89088 |
13.45 |
| 2026-04-06 00:00 |
18:10:20.80 |
-27:53:32.5 |
HIP 89088 |
13.31 |
| 2026-04-06 12:00 |
18:10:20.15 |
-27:53:47.6 |
HIP 89088 |
13.20 |
| 2026-04-07 00:00 |
18:10:19.39 |
-27:54:02.7 |
HIP 89088 |
13.10 |
| 2026-04-07 12:00 |
18:10:18.51 |
-27:54:17.9 |
HIP 89088 |
13.03 |
| 2026-04-08 00:00 |
18:10:17.52 |
-27:54:33.0 |
HIP 89088 |
12.98 |
| 2026-04-08 12:00 |
18:10:16.41 |
-27:54:48.2 |
HIP 89088 |
12.96 |
| 2026-04-09 00:00 |
18:10:15.18 |
-27:55:03.3 |
HIP 89088 |
12.96 |
| 2026-04-09 12:00 |
18:10:13.84 |
-27:55:18.5 |
HIP 89088 |
13.00 |
| 2026-04-10 00:00 |
18:10:12.39 |
-27:55:33.7 |
HIP 89088 |
13.06 |
| 2026-04-10 12:00 |
18:10:10.82 |
-27:55:48.9 |
HIP 89088 |
13.16 |
| 2026-04-11 00:00 |
18:10:09.13 |
-27:56:04.2 |
HIP 89088 |
13.29 |
| 2026-04-11 12:00 |
18:10:07.33 |
-27:56:19.4 |
HIP 89088 |
13.45 |
| 2026-04-12 00:00 |
18:10:05.41 |
-27:56:34.7 |
HIP 89088 |
13.65 |
| 2026-04-12 12:00 |
18:10:03.37 |
-27:56:49.9 |
HIP 89088 |
13.88 |
| 2026-04-13 00:00 |
18:10:01.22 |
-27:57:05.2 |
HIP 89088 |
14.16 |
| 2026-04-13 12:00 |
18:09:58.96 |
-27:57:20.4 |
HIP 89088 |
14.46 |
| 2026-04-14 00:00 |
18:09:56.58 |
-27:57:35.7 |
HIP 89088 |
14.81 |
| 2026-04-14 12:00 |
18:09:54.08 |
-27:57:51.0 |
HIP 89088 |
15.20 |
| 2026-04-15 00:00 |
18:09:51.47 |
-27:58:06.2 |
HIP 89088 |
15.62 |
| 2026-04-15 12:00 |
18:09:48.75 |
-27:58:21.5 |
HIP 89088 |
16.08 |
| 2026-04-16 00:00 |
18:09:45.91 |
-27:58:36.7 |
HIP 88906 |
16.28 |