メタデータ
| 項目 |
値 |
| Designation |
295P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2014-05-15T16:22:28.369920Z |
| Orbit solution date (soln_date, UTC) |
2026-09-21T07:12:14Z |
| Obs used |
94 |
| NEO |
- |
| M1 |
11.200 |
| K1 |
17.250 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2010-08-10.0000000 |
| e |
0.61532407 |
| q (au) |
2.056403 |
| a (au) |
5.345805 |
| i (deg) |
21.095203 |
| Ω (om, deg) |
7.705089 |
| ω (w, deg) |
73.240917 |
| M (ma, deg) |
250.380784 |
等級
散乱 + 全体線形
$$
M_a = (10.512 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
10.512 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.500 |
| 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) |
| 2026-09-20 00:00 |
09:04:44.40 |
+34:13:23.0 |
HIP 44525 |
8.50 |
| 2026-09-20 12:00 |
09:05:58.78 |
+34:09:35.9 |
HIP 44559 |
21.02 |
| 2026-09-21 00:00 |
09:07:12.89 |
+34:05:47.8 |
HIP 44897 |
24.09 |
| 2026-09-21 12:00 |
09:08:26.76 |
+34:01:58.5 |
HIP 44897 |
10.35 |
| 2026-09-22 00:00 |
09:09:40.37 |
+33:58:08.3 |
HIP 44897 |
11.44 |
| 2026-09-22 12:00 |
09:10:53.72 |
+33:54:17.0 |
HIP 44897 |
25.46 |
| 2026-09-23 00:00 |
09:12:06.82 |
+33:50:24.8 |
HIP 45196 |
15.75 |
| 2026-09-23 12:00 |
09:13:19.67 |
+33:46:31.6 |
HIP 45325 |
11.67 |
| 2026-09-24 00:00 |
09:14:32.26 |
+33:42:37.4 |
HIP 45325 |
7.38 |
| 2026-09-24 12:00 |
09:15:44.59 |
+33:38:42.4 |
HIP 45484 |
16.35 |
| 2026-09-25 00:00 |
09:16:56.66 |
+33:34:46.5 |
HIP 45572 |
6.47 |
| 2026-09-25 12:00 |
09:18:08.47 |
+33:30:49.7 |
HIP 45572 |
10.56 |
| 2026-09-26 00:00 |
09:19:20.03 |
+33:26:52.2 |
HIP 45822 |
24.38 |
| 2026-09-26 12:00 |
09:20:31.33 |
+33:22:53.8 |
HIP 45822 |
22.76 |
| 2026-09-27 00:00 |
09:21:42.37 |
+33:18:54.6 |
HIP 46042 |
22.90 |
| 2026-09-27 12:00 |
09:22:53.15 |
+33:14:54.8 |
HIP 46042 |
14.39 |
| 2026-09-28 00:00 |
09:24:03.67 |
+33:10:54.2 |
HIP 46042 |
18.91 |
| 2026-09-28 12:00 |
09:25:13.93 |
+33:06:52.9 |
HIP 46341 |
20.64 |
| 2026-09-29 00:00 |
09:26:23.93 |
+33:02:50.9 |
HIP 46341 |
5.74 |
| 2026-09-29 12:00 |
09:27:33.66 |
+32:58:48.3 |
HIP 46341 |
10.08 |
| 2026-09-30 00:00 |
09:28:43.14 |
+32:54:45.1 |
HIP 46341 |
25.07 |
| 2026-09-30 12:00 |
09:29:52.35 |
+32:50:41.3 |
HIP 46660 |
14.46 |
| 2026-10-01 00:00 |
09:31:01.30 |
+32:46:36.9 |
HIP 46660 |
5.40 |
| 2026-10-01 12:00 |
09:32:09.99 |
+32:42:32.1 |
HIP 46660 |
17.35 |
| 2026-10-02 00:00 |
09:33:18.42 |
+32:38:26.7 |
HIP 46915 |
8.53 |
| 2026-10-02 12:00 |
09:34:26.58 |
+32:34:20.9 |
HIP 46915 |
9.02 |
| 2026-10-03 00:00 |
09:35:34.47 |
+32:30:14.6 |
HIP 46915 |
23.11 |
| 2026-10-03 12:00 |
09:36:42.10 |
+32:26:07.9 |
HIP 47170 |
18.78 |
| 2026-10-04 00:00 |
09:37:49.46 |
+32:22:00.8 |
HIP 47170 |
20.19 |
| 2026-10-04 12:00 |
09:38:56.56 |
+32:17:53.4 |
HIP 47170 |
30.00 |
| 2026-10-05 00:00 |
09:40:03.39 |
+32:13:45.6 |
HIP 47395 |
29.62 |
| 2026-10-05 12:00 |
09:41:09.94 |
+32:09:37.5 |
HIP 47652 |
23.10 |
| 2026-10-06 00:00 |
09:42:16.23 |
+32:05:29.1 |
HIP 47652 |
13.26 |
| 2026-10-06 12:00 |
09:43:22.25 |
+32:01:20.5 |
HIP 47652 |
15.64 |
| 2026-10-07 00:00 |
09:44:28.00 |
+31:57:11.7 |
HIP 47955 |
24.42 |
| 2026-10-07 12:00 |
09:45:33.48 |
+31:53:02.7 |
HIP 47955 |
14.97 |
| 2026-10-08 00:00 |
09:46:38.69 |
+31:48:53.5 |
HIP 47955 |
16.46 |
| 2026-10-08 12:00 |
09:47:43.62 |
+31:44:44.2 |
HIP 48082 |
22.77 |
| 2026-10-09 00:00 |
09:48:48.28 |
+31:40:34.8 |
HIP 48082 |
27.60 |
| 2026-10-09 12:00 |
09:49:52.66 |
+31:36:25.3 |
HIP 48292 |
17.02 |
| 2026-10-10 00:00 |
09:50:56.77 |
+31:32:15.7 |
HIP 48292 |
9.05 |
| 2026-10-10 12:00 |
09:52:00.61 |
+31:28:06.1 |
HIP 48373 |
4.77 |
| 2026-10-11 00:00 |
09:53:04.17 |
+31:23:56.5 |
HIP 48435 |
11.42 |