メタデータ
| 項目 |
値 |
| 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 |
オスキュレーティング軌道要素
| 項目 |
値 |
| 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 |
等級
散乱 + 全体線形
$$
M_a = (13.743 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
13.743 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.765 |
| k |
0.987 |
| δ90 |
10.000 |
| パラメータ |
記号 |
範囲 |
説明 |
| 太陽・地球距離が1 AUのときの絶対等級 |
H0 |
-5 to 20 |
彗星の固有の明るさ |
| 測光スロープパラメータ |
n |
2 to 6 |
太陽距離に対する明るさ変化率 |
| 前方散乱非対称係数 |
gf |
0.8 to 1 |
前方散乱の強さ |
| 後方散乱非対称係数 |
gb |
-1 to -0.5 |
後方散乱の強さ |
| 分配係数 |
k |
0.8 to 1 |
前方/後方散乱の寄与比 |
| ダスト/ガス明るさ比 |
δ90 |
1 to 10 |
ダスト散乱とガス放射の相対寄与 |
参考: EPSC-DPS2025-160
天体暦
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
17:58:16.94 |
-28:17:18.4 |
HIP 87903 |
13.62 |
| 2026-06-01 12:00 |
17:58:05.88 |
-28:17:24.6 |
HIP 87903 |
11.54 |
| 2026-06-02 00:00 |
17:57:54.78 |
-28:17:30.6 |
HIP 87903 |
9.62 |
| 2026-06-02 12:00 |
17:57:43.63 |
-28:17:36.4 |
HIP 87903 |
7.98 |
| 2026-06-03 00:00 |
17:57:32.43 |
-28:17:42.1 |
HIP 87903 |
6.85 |
| 2026-06-03 12:00 |
17:57:21.19 |
-28:17:47.5 |
HIP 87903 |
6.50 |
| 2026-06-04 00:00 |
17:57:09.92 |
-28:17:52.8 |
HIP 87903 |
7.06 |
| 2026-06-04 12:00 |
17:56:58.60 |
-28:17:57.8 |
HIP 87903 |
8.36 |
| 2026-06-05 00:00 |
17:56:47.24 |
-28:18:02.7 |
HIP 87903 |
10.12 |
| 2026-06-05 12:00 |
17:56:35.85 |
-28:18:07.4 |
HIP 87903 |
12.15 |
| 2026-06-06 00:00 |
17:56:24.42 |
-28:18:11.8 |
HIP 87903 |
14.33 |
| 2026-06-06 12:00 |
17:56:12.95 |
-28:18:16.1 |
HIP 87836 |
15.69 |
| 2026-06-07 00:00 |
17:56:01.45 |
-28:18:20.2 |
HIP 87836 |
16.94 |
| 2026-06-07 12:00 |
17:55:49.92 |
-28:18:24.1 |
HIP 87836 |
18.45 |
| 2026-06-08 00:00 |
17:55:38.36 |
-28:18:27.8 |
HIP 87684 |
17.51 |
| 2026-06-08 12:00 |
17:55:26.77 |
-28:18:31.3 |
HIP 87684 |
15.57 |
| 2026-06-09 00:00 |
17:55:15.15 |
-28:18:34.6 |
HIP 87684 |
13.82 |
| 2026-06-09 12:00 |
17:55:03.50 |
-28:18:37.7 |
HIP 87684 |
12.34 |
| 2026-06-10 00:00 |
17:54:51.82 |
-28:18:40.6 |
HIP 87684 |
11.26 |
| 2026-06-10 12:00 |
17:54:40.12 |
-28:18:43.3 |
HIP 87684 |
10.70 |
| 2026-06-11 00:00 |
17:54:28.40 |
-28:18:45.8 |
HIP 87684 |
10.74 |
| 2026-06-11 12:00 |
17:54:16.65 |
-28:18:48.1 |
HIP 87684 |
11.38 |
| 2026-06-12 00:00 |
17:54:04.88 |
-28:18:50.2 |
HIP 87684 |
12.54 |
| 2026-06-12 12:00 |
17:53:53.09 |
-28:18:52.1 |
HIP 87684 |
14.08 |
| 2026-06-13 00:00 |
17:53:41.29 |
-28:18:53.8 |
HIP 87684 |
15.90 |
| 2026-06-13 12:00 |
17:53:29.47 |
-28:18:55.3 |
HIP 87684 |
17.91 |
| 2026-06-14 00:00 |
17:53:17.63 |
-28:18:56.6 |
HIP 87455 |
16.79 |
| 2026-06-14 12:00 |
17:53:05.78 |
-28:18:57.7 |
HIP 87455 |
14.56 |
| 2026-06-15 00:00 |
17:52:53.91 |
-28:18:58.6 |
HIP 87429 |
12.27 |
| 2026-06-15 12:00 |
17:52:42.04 |
-28:18:59.3 |
HIP 87429 |
9.77 |
| 2026-06-16 00:00 |
17:52:30.15 |
-28:18:59.7 |
HIP 87429 |
7.34 |
| 2026-06-16 12:00 |
17:52:18.26 |
-28:19:00.0 |
HIP 87429 |
5.10 |
| 2026-06-17 00:00 |
17:52:06.36 |
-28:19:00.1 |
HIP 87429 |
3.44 |
| 2026-06-17 12:00 |
17:51:54.45 |
-28:19:00.0 |
HIP 87429 |
3.38 |
| 2026-06-18 00:00 |
17:51:42.55 |
-28:18:59.6 |
HIP 87429 |
4.98 |
| 2026-06-18 12:00 |
17:51:30.63 |
-28:18:59.0 |
HIP 87429 |
7.20 |
| 2026-06-19 00:00 |
17:51:18.72 |
-28:18:58.3 |
HIP 87429 |
9.63 |
| 2026-06-19 12:00 |
17:51:06.81 |
-28:18:57.3 |
HIP 87429 |
12.14 |
| 2026-06-20 00:00 |
17:50:54.90 |
-28:18:56.2 |
HIP 87429 |
14.69 |
| 2026-06-20 12:00 |
17:50:42.99 |
-28:18:54.8 |
HIP 87429 |
17.26 |
| 2026-06-21 00:00 |
17:50:31.09 |
-28:18:53.2 |
HIP 87429 |
19.84 |
| 2026-06-21 12:00 |
17:50:19.19 |
-28:18:51.5 |
HIP 87429 |
22.43 |
| 2026-06-22 00:00 |
17:50:07.30 |
-28:18:49.5 |
HIP 87429 |
25.03 |