316P/LONEOS-Christensen
メタデータ
| 項目 |
値 |
| Designation |
316P/LONEOS-Christensen |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2006-11-07T01:27:06.275520Z |
| Orbit solution date (soln_date, UTC) |
2025-04-09T13:45:33Z |
| Obs used |
128 |
| NEO |
- |
| M1 |
15.100 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2017-01-26T12:54:38.016000Z |
| Discovery magnitude (MPC) |
21.00 z |
| Discovery observatory (MPC) |
T09 · Subaru Telescope, Maunakea |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2007-09-04.0000000 |
| e |
0.16637404 |
| q (au) |
3.606774 |
| a (au) |
4.326609 |
| i (deg) |
9.882930 |
| Ω (om, deg) |
246.930761 |
| ω (w, deg) |
191.667732 |
| M (ma, deg) |
32.958072 |
等級
散乱 + 全体線形
$$
M_a = (16.818 + 4.167\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
16.818 |
| n |
4.167 |
| gf |
1.000 |
| gb |
-0.779 |
| k |
0.800 |
| 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
ファインディングチャート
天体暦
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-02-03 00:00 |
09:22:44.79 |
+02:12:48.1 |
HIP 46064 |
17.91 |
| 2026-02-03 12:00 |
09:22:26.25 |
+02:13:50.6 |
HIP 46064 |
21.06 |
| 2026-02-04 00:00 |
09:22:07.68 |
+02:14:54.3 |
HIP 45929 |
23.14 |
| 2026-02-04 12:00 |
09:21:49.09 |
+02:15:59.2 |
HIP 45929 |
23.97 |
| 2026-02-05 00:00 |
09:21:30.47 |
+02:17:05.4 |
HIP 45929 |
25.70 |
| 2026-02-05 12:00 |
09:21:11.84 |
+02:18:12.7 |
HIP 45929 |
28.16 |
| 2026-02-06 00:00 |
09:20:53.20 |
+02:19:21.2 |
HIP 45929 |
31.19 |
| 2026-02-06 12:00 |
09:20:34.54 |
+02:20:30.9 |
HIP 45929 |
34.63 |
| 2026-02-07 00:00 |
09:20:15.88 |
+02:21:41.7 |
HIP 45866 |
37.21 |
| 2026-02-07 12:00 |
09:19:57.23 |
+02:22:53.6 |
HIP 45866 |
38.06 |
| 2026-02-08 00:00 |
09:19:38.57 |
+02:24:06.6 |
HIP 45866 |
39.46 |
| 2026-02-08 12:00 |
09:19:19.93 |
+02:25:20.8 |
HIP 45564 |
35.46 |
| 2026-02-09 00:00 |
09:19:01.29 |
+02:26:35.9 |
HIP 45564 |
30.73 |
| 2026-02-09 12:00 |
09:18:42.67 |
+02:27:52.2 |
HIP 45564 |
26.04 |
| 2026-02-10 00:00 |
09:18:24.07 |
+02:29:09.4 |
HIP 45564 |
21.39 |
| 2026-02-10 12:00 |
09:18:05.50 |
+02:30:27.7 |
HIP 45564 |
16.85 |
| 2026-02-11 00:00 |
09:17:46.95 |
+02:31:47.0 |
HIP 45564 |
12.49 |
| 2026-02-11 12:00 |
09:17:28.44 |
+02:33:07.2 |
HIP 45564 |
8.64 |
| 2026-02-12 00:00 |
09:17:09.96 |
+02:34:28.4 |
HIP 45564 |
6.27 |
| 2026-02-12 12:00 |
09:16:51.53 |
+02:35:50.6 |
HIP 45564 |
7.07 |
| 2026-02-13 00:00 |
09:16:33.13 |
+02:37:13.6 |
HIP 45564 |
10.32 |
| 2026-02-13 12:00 |
09:16:14.79 |
+02:38:37.5 |
HIP 45464 |
7.48 |
| 2026-02-14 00:00 |
09:15:56.50 |
+02:40:02.3 |
HIP 45464 |
6.80 |
| 2026-02-14 12:00 |
09:15:38.27 |
+02:41:28.0 |
HIP 45464 |
9.07 |
| 2026-02-15 00:00 |
09:15:20.10 |
+02:42:54.4 |
HIP 45464 |
12.80 |
| 2026-02-15 12:00 |
09:15:02.00 |
+02:44:21.7 |
HIP 45464 |
17.05 |
| 2026-02-16 00:00 |
09:14:43.96 |
+02:45:49.7 |
HIP 45299 |
13.70 |
| 2026-02-16 12:00 |
09:14:26.00 |
+02:47:18.6 |
HIP 45299 |
9.04 |
| 2026-02-17 00:00 |
09:14:08.12 |
+02:48:48.1 |
HIP 45299 |
4.51 |
| 2026-02-17 12:00 |
09:13:50.32 |
+02:50:18.3 |
HIP 45299 |
1.81 |
| 2026-02-18 00:00 |
09:13:32.61 |
+02:51:49.3 |
HIP 45299 |
5.48 |
| 2026-02-18 12:00 |
09:13:14.98 |
+02:53:20.9 |
HIP 45299 |
10.00 |
| 2026-02-19 00:00 |
09:12:57.45 |
+02:54:53.1 |
HIP 45299 |
14.59 |
| 2026-02-19 12:00 |
09:12:40.02 |
+02:56:26.0 |
HIP 45159 |
10.36 |
| 2026-02-20 00:00 |
09:12:22.69 |
+02:57:59.4 |
HIP 45159 |
5.95 |
| 2026-02-20 12:00 |
09:12:05.46 |
+02:59:33.5 |
HIP 45159 |
2.42 |
| 2026-02-21 00:00 |
09:11:48.35 |
+03:01:08.0 |
HIP 45159 |
4.26 |
| 2026-02-21 12:00 |
09:11:31.34 |
+03:02:43.1 |
HIP 45159 |
8.46 |
| 2026-02-22 00:00 |
09:11:14.46 |
+03:04:18.7 |
HIP 45163 |
12.68 |
| 2026-02-22 12:00 |
09:10:57.69 |
+03:05:54.8 |
HIP 45163 |
16.27 |
| 2026-02-23 00:00 |
09:10:41.05 |
+03:07:31.3 |
HIP 45163 |
20.19 |
| 2026-02-23 12:00 |
09:10:24.54 |
+03:09:08.2 |
HIP 44958 |
18.39 |
| 2026-02-24 00:00 |
09:10:08.15 |
+03:10:45.6 |
HIP 44958 |
17.01 |