295P/LINEAR
メタデータ
| 項目 |
値 |
| Designation |
295P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2014-05-16T16:03:40.772160Z |
| Orbit solution date (soln_date, UTC) |
2025-12-18T15:12:37Z |
| Obs used |
90 |
| NEO |
- |
| M1 |
14.300 |
| K1 |
10.500 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2009-10-23.0000000 |
| e |
0.61493394 |
| q (au) |
2.058571 |
| a (au) |
5.346021 |
| i (deg) |
21.095291 |
| Ω (om, deg) |
7.692619 |
| ω (w, deg) |
73.260298 |
| M (ma, deg) |
227.105341 |
等級
散乱 + 全体線形
$$
M_a = (16.001 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
16.001 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.501 |
| k |
1.000 |
| 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 |
23:57:37.15 |
+03:03:08.4 |
HIP 118104 |
4.08 |
| 2026-02-03 12:00 |
23:58:16.83 |
+03:09:41.1 |
HIP 118104 |
15.94 |
| 2026-02-04 00:00 |
23:58:56.67 |
+03:16:14.7 |
HIP 118185 |
19.80 |
| 2026-02-04 12:00 |
23:59:36.67 |
+03:22:49.2 |
HIP 118185 |
21.52 |
| 2026-02-05 00:00 |
00:00:16.82 |
+03:29:24.5 |
HIP 6 |
27.56 |
| 2026-02-05 12:00 |
00:00:57.13 |
+03:36:00.7 |
HIP 6 |
24.60 |
| 2026-02-06 00:00 |
00:01:37.59 |
+03:42:37.7 |
HIP 224 |
19.53 |
| 2026-02-06 12:00 |
00:02:18.21 |
+03:49:15.6 |
HIP 224 |
7.58 |
| 2026-02-07 00:00 |
00:02:58.98 |
+03:55:54.3 |
HIP 224 |
5.21 |
| 2026-02-07 12:00 |
00:03:39.90 |
+04:02:33.9 |
HIP 294 |
8.14 |
| 2026-02-08 00:00 |
00:04:20.98 |
+04:09:14.3 |
HIP 294 |
17.98 |
| 2026-02-08 12:00 |
00:05:02.22 |
+04:15:55.5 |
HIP 294 |
29.69 |
| 2026-02-09 00:00 |
00:05:43.60 |
+04:22:37.6 |
HIP 263 |
40.55 |
| 2026-02-09 12:00 |
00:06:25.14 |
+04:29:20.4 |
HIP 658 |
36.34 |
| 2026-02-10 00:00 |
00:07:06.83 |
+04:36:04.1 |
HIP 658 |
24.47 |
| 2026-02-10 12:00 |
00:07:48.67 |
+04:42:48.7 |
HIP 658 |
13.52 |
| 2026-02-11 00:00 |
00:08:30.66 |
+04:49:34.0 |
HIP 658 |
8.67 |
| 2026-02-11 12:00 |
00:09:12.80 |
+04:56:20.1 |
HIP 802 |
12.30 |
| 2026-02-12 00:00 |
00:09:55.10 |
+05:03:07.1 |
HIP 802 |
13.17 |
| 2026-02-12 12:00 |
00:10:37.54 |
+05:09:54.8 |
HIP 898 |
7.20 |
| 2026-02-13 00:00 |
00:11:20.14 |
+05:16:43.3 |
HIP 898 |
5.73 |
| 2026-02-13 12:00 |
00:12:02.88 |
+05:23:32.7 |
HIP 898 |
18.24 |
| 2026-02-14 00:00 |
00:12:45.77 |
+05:30:22.8 |
HIP 1050 |
8.91 |
| 2026-02-14 12:00 |
00:13:28.82 |
+05:37:13.7 |
HIP 1050 |
5.95 |
| 2026-02-15 00:00 |
00:14:12.01 |
+05:44:05.3 |
HIP 1199 |
14.83 |
| 2026-02-15 12:00 |
00:14:55.35 |
+05:50:57.8 |
HIP 1249 |
10.76 |
| 2026-02-16 00:00 |
00:15:38.84 |
+05:57:51.0 |
HIP 1249 |
7.22 |
| 2026-02-16 12:00 |
00:16:22.47 |
+06:04:45.0 |
HIP 1249 |
17.84 |
| 2026-02-17 00:00 |
00:17:06.25 |
+06:11:39.7 |
HIP 1249 |
30.29 |
| 2026-02-17 12:00 |
00:17:50.18 |
+06:18:35.1 |
HIP 1602 |
33.53 |
| 2026-02-18 00:00 |
00:18:34.26 |
+06:25:31.3 |
HIP 1602 |
23.93 |
| 2026-02-18 12:00 |
00:19:18.48 |
+06:32:28.3 |
HIP 1602 |
18.88 |
| 2026-02-19 00:00 |
00:20:02.85 |
+06:39:26.0 |
HIP 1602 |
21.88 |
| 2026-02-19 12:00 |
00:20:47.36 |
+06:46:24.3 |
HIP 1738 |
22.96 |
| 2026-02-20 00:00 |
00:21:32.02 |
+06:53:23.5 |
HIP 1738 |
10.04 |
| 2026-02-20 12:00 |
00:22:16.83 |
+07:00:23.3 |
HIP 1738 |
4.24 |
| 2026-02-21 00:00 |
00:23:01.77 |
+07:07:23.8 |
HIP 1738 |
16.77 |
| 2026-02-21 12:00 |
00:23:46.86 |
+07:14:25.0 |
HIP 1738 |
29.90 |
| 2026-02-22 00:00 |
00:24:32.10 |
+07:21:26.9 |
HIP 2025 |
26.46 |
| 2026-02-22 12:00 |
00:25:17.48 |
+07:28:29.5 |
HIP 2025 |
14.32 |
| 2026-02-23 00:00 |
00:26:03.00 |
+07:35:32.7 |
HIP 2067 |
3.07 |
| 2026-02-23 12:00 |
00:26:48.66 |
+07:42:36.6 |
HIP 2067 |
10.62 |
| 2026-02-24 00:00 |
00:27:34.46 |
+07:49:41.2 |
HIP 2067 |
23.95 |