メタデータ
| 項目 |
値 |
| Designation |
333P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2016-04-01T19:50:42.501120Z |
| Orbit solution date (soln_date, UTC) |
2026-08-07T12:42:26Z |
| Obs used |
1309 |
| NEO |
Yes |
| M1 |
15.000 |
| K1 |
6.750 |
| PC |
- |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2020-03-28.0000000 |
| e |
0.73616328 |
| q (au) |
1.113487 |
| a (au) |
4.220363 |
| i (deg) |
131.974946 |
| Ω (om, deg) |
115.622613 |
| ω (w, deg) |
26.069802 |
| M (ma, deg) |
165.535976 |
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) |
| 2026-09-20 00:00 |
19:14:52.28 |
-20:13:44.6 |
HIP 94429 |
26.81 |
| 2026-09-20 12:00 |
19:14:41.63 |
-20:15:23.5 |
HIP 94429 |
23.85 |
| 2026-09-21 00:00 |
19:14:31.22 |
-20:17:01.7 |
HIP 94429 |
20.95 |
| 2026-09-21 12:00 |
19:14:21.04 |
-20:18:39.1 |
HIP 94429 |
18.13 |
| 2026-09-22 00:00 |
19:14:11.10 |
-20:20:15.7 |
HIP 94429 |
15.38 |
| 2026-09-22 12:00 |
19:14:01.40 |
-20:21:51.6 |
HIP 94429 |
12.73 |
| 2026-09-23 00:00 |
19:13:51.93 |
-20:23:26.7 |
HIP 94429 |
10.21 |
| 2026-09-23 12:00 |
19:13:42.70 |
-20:25:01.1 |
HIP 94429 |
7.88 |
| 2026-09-24 00:00 |
19:13:33.70 |
-20:26:34.7 |
HIP 94429 |
5.90 |
| 2026-09-24 12:00 |
19:13:24.93 |
-20:28:07.6 |
HIP 94429 |
4.65 |
| 2026-09-25 00:00 |
19:13:16.40 |
-20:29:39.8 |
HIP 94429 |
4.67 |
| 2026-09-25 12:00 |
19:13:08.09 |
-20:31:11.2 |
HIP 94429 |
5.88 |
| 2026-09-26 00:00 |
19:13:00.02 |
-20:32:41.9 |
HIP 94429 |
7.69 |
| 2026-09-26 12:00 |
19:12:52.18 |
-20:34:11.8 |
HIP 94429 |
9.73 |
| 2026-09-27 00:00 |
19:12:44.56 |
-20:35:41.1 |
HIP 94429 |
11.86 |
| 2026-09-27 12:00 |
19:12:37.18 |
-20:37:09.6 |
HIP 94429 |
14.01 |
| 2026-09-28 00:00 |
19:12:30.02 |
-20:38:37.4 |
HIP 94429 |
16.16 |
| 2026-09-28 12:00 |
19:12:23.08 |
-20:40:04.5 |
HIP 94429 |
18.28 |
| 2026-09-29 00:00 |
19:12:16.38 |
-20:41:30.9 |
HIP 94320 |
19.50 |
| 2026-09-29 12:00 |
19:12:09.89 |
-20:42:56.6 |
HIP 94320 |
20.51 |
| 2026-09-30 00:00 |
19:12:03.64 |
-20:44:21.5 |
HIP 94320 |
21.67 |
| 2026-09-30 12:00 |
19:11:57.60 |
-20:45:45.8 |
HIP 94320 |
22.95 |
| 2026-10-01 00:00 |
19:11:51.79 |
-20:47:09.4 |
HIP 94320 |
24.30 |
| 2026-10-01 12:00 |
19:11:46.20 |
-20:48:32.4 |
HIP 94320 |
25.72 |
| 2026-10-02 00:00 |
19:11:40.83 |
-20:49:54.6 |
HIP 94320 |
27.19 |
| 2026-10-02 12:00 |
19:11:35.68 |
-20:51:16.2 |
HIP 94141 |
27.58 |
| 2026-10-03 00:00 |
19:11:30.75 |
-20:52:37.0 |
HIP 94141 |
26.03 |
| 2026-10-03 12:00 |
19:11:26.04 |
-20:53:57.2 |
HIP 94141 |
24.55 |
| 2026-10-04 00:00 |
19:11:21.55 |
-20:55:16.8 |
HIP 94141 |
23.17 |
| 2026-10-04 12:00 |
19:11:17.27 |
-20:56:35.6 |
HIP 94141 |
21.88 |
| 2026-10-05 00:00 |
19:11:13.21 |
-20:57:53.8 |
HIP 94141 |
20.69 |
| 2026-10-05 12:00 |
19:11:09.37 |
-20:59:11.4 |
HIP 94141 |
19.62 |
| 2026-10-06 00:00 |
19:11:05.74 |
-21:00:28.3 |
HIP 94141 |
18.67 |
| 2026-10-06 12:00 |
19:11:02.32 |
-21:01:44.5 |
HIP 94141 |
17.85 |
| 2026-10-07 00:00 |
19:10:59.11 |
-21:03:00.1 |
HIP 94141 |
17.17 |
| 2026-10-07 12:00 |
19:10:56.12 |
-21:04:15.0 |
HIP 94141 |
16.64 |
| 2026-10-08 00:00 |
19:10:53.34 |
-21:05:29.3 |
HIP 94141 |
16.27 |
| 2026-10-08 12:00 |
19:10:50.77 |
-21:06:43.0 |
HIP 94141 |
16.05 |
| 2026-10-09 00:00 |
19:10:48.41 |
-21:07:56.0 |
HIP 94141 |
15.99 |
| 2026-10-09 12:00 |
19:10:46.25 |
-21:09:08.4 |
HIP 94141 |
16.07 |
| 2026-10-10 00:00 |
19:10:44.30 |
-21:10:20.1 |
HIP 94141 |
16.30 |
| 2026-10-10 12:00 |
19:10:42.56 |
-21:11:31.2 |
HIP 94141 |
16.65 |
| 2026-10-11 00:00 |
19:10:41.02 |
-21:12:41.7 |
HIP 94141 |
17.12 |