メタデータ
| 項目 |
値 |
| Designation |
333P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2016-04-01T20:35:59.349120Z |
| Orbit solution date (soln_date, UTC) |
2026-07-06T12:12:48Z |
| Obs used |
1305 |
| NEO |
Yes |
| M1 |
15.000 |
| K1 |
7.000 |
| PC |
- |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2020-03-21.0000000 |
| e |
0.73614288 |
| q (au) |
1.113591 |
| a (au) |
4.220434 |
| i (deg) |
131.973965 |
| Ω (om, deg) |
115.622059 |
| ω (w, deg) |
26.071371 |
| M (ma, deg) |
164.732514 |
等級
散乱 + 全体線形
$$
M_a = (13.962 + 4.846\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
13.962 |
| n |
4.846 |
| gf |
0.999 |
| gb |
-0.860 |
| k |
0.964 |
| 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
残差 (区間線形)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| 開始日 (UTC) |
終了日 (UTC) |
a |
b |
| 2024-02-29 |
2025-09-18 |
+1.5741 |
-0.652 |
log10 r = log10(太陽距離/AU)、Δ = 地球距離(AU)
天体暦
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-07-29 00:00 |
19:54:48.03 |
-16:01:54.5 |
HIP 97972 |
7.29 |
| 2026-07-29 12:00 |
19:54:16.52 |
-16:04:54.6 |
HIP 97972 |
11.68 |
| 2026-07-30 00:00 |
19:53:45.08 |
-16:07:54.3 |
HIP 97972 |
18.75 |
| 2026-07-30 12:00 |
19:53:13.73 |
-16:10:53.5 |
HIP 97972 |
26.41 |
| 2026-07-31 00:00 |
19:52:42.45 |
-16:13:52.2 |
HIP 97715 |
27.93 |
| 2026-07-31 12:00 |
19:52:11.27 |
-16:16:50.5 |
HIP 97715 |
26.69 |
| 2026-08-01 00:00 |
19:51:40.18 |
-16:19:48.3 |
HIP 97715 |
27.81 |
| 2026-08-01 12:00 |
19:51:09.19 |
-16:22:45.6 |
HIP 97715 |
31.04 |
| 2026-08-02 00:00 |
19:50:38.29 |
-16:25:42.4 |
HIP 97460 |
33.81 |
| 2026-08-02 12:00 |
19:50:07.49 |
-16:28:38.7 |
HIP 97460 |
29.30 |
| 2026-08-03 00:00 |
19:49:36.80 |
-16:31:34.4 |
HIP 97460 |
26.47 |
| 2026-08-03 12:00 |
19:49:06.22 |
-16:34:29.6 |
HIP 97460 |
25.86 |
| 2026-08-04 00:00 |
19:48:35.75 |
-16:37:24.2 |
HIP 97460 |
27.59 |
| 2026-08-04 12:00 |
19:48:05.40 |
-16:40:18.3 |
HIP 97393 |
24.70 |
| 2026-08-05 00:00 |
19:47:35.17 |
-16:43:11.8 |
HIP 97393 |
21.08 |
| 2026-08-05 12:00 |
19:47:05.05 |
-16:46:04.7 |
HIP 97351 |
18.63 |
| 2026-08-06 00:00 |
19:46:35.06 |
-16:48:57.0 |
HIP 97351 |
17.71 |
| 2026-08-06 12:00 |
19:46:05.20 |
-16:51:48.7 |
HIP 97351 |
19.96 |
| 2026-08-07 00:00 |
19:45:35.47 |
-16:54:39.8 |
HIP 97351 |
24.51 |
| 2026-08-07 12:00 |
19:45:05.88 |
-16:57:30.2 |
HIP 97134 |
27.81 |
| 2026-08-08 00:00 |
19:44:36.42 |
-17:00:20.0 |
HIP 97134 |
23.73 |
| 2026-08-08 12:00 |
19:44:07.11 |
-17:03:09.1 |
HIP 97134 |
21.63 |
| 2026-08-09 00:00 |
19:43:37.94 |
-17:05:57.5 |
HIP 97134 |
22.04 |
| 2026-08-09 12:00 |
19:43:08.91 |
-17:08:45.3 |
HIP 97134 |
24.81 |
| 2026-08-10 00:00 |
19:42:40.04 |
-17:11:32.4 |
HIP 97134 |
29.24 |
| 2026-08-10 12:00 |
19:42:11.32 |
-17:14:18.8 |
HIP 97134 |
34.68 |
| 2026-08-11 00:00 |
19:41:42.76 |
-17:17:04.5 |
HIP 96779 |
31.80 |
| 2026-08-11 12:00 |
19:41:14.35 |
-17:19:49.5 |
HIP 96779 |
30.37 |
| 2026-08-12 00:00 |
19:40:46.11 |
-17:22:33.7 |
HIP 96779 |
30.66 |
| 2026-08-12 12:00 |
19:40:18.04 |
-17:25:17.3 |
HIP 96779 |
32.60 |
| 2026-08-13 00:00 |
19:39:50.13 |
-17:28:00.0 |
HIP 96666 |
34.63 |
| 2026-08-13 12:00 |
19:39:22.39 |
-17:30:42.1 |
HIP 96666 |
36.21 |
| 2026-08-14 00:00 |
19:38:54.83 |
-17:33:23.4 |
HIP 96462 |
34.42 |
| 2026-08-14 12:00 |
19:38:27.44 |
-17:36:03.9 |
HIP 96462 |
29.86 |
| 2026-08-15 00:00 |
19:38:00.23 |
-17:38:43.6 |
HIP 96462 |
26.43 |
| 2026-08-15 12:00 |
19:37:33.21 |
-17:41:22.6 |
HIP 96462 |
24.59 |
| 2026-08-16 00:00 |
19:37:06.37 |
-17:44:00.7 |
HIP 96462 |
24.66 |
| 2026-08-16 12:00 |
19:36:39.71 |
-17:46:38.1 |
HIP 96462 |
26.57 |
| 2026-08-17 00:00 |
19:36:13.24 |
-17:49:14.7 |
HIP 96291 |
27.19 |
| 2026-08-17 12:00 |
19:35:46.96 |
-17:51:50.5 |
HIP 96291 |
20.75 |
| 2026-08-18 00:00 |
19:35:20.88 |
-17:54:25.5 |
HIP 96291 |
14.66 |
| 2026-08-18 12:00 |
19:34:54.99 |
-17:56:59.6 |
HIP 96291 |
9.48 |
| 2026-08-19 00:00 |
19:34:29.30 |
-17:59:33.0 |
HIP 96291 |
7.34 |