メタデータ
| 項目 |
値 |
| Designation |
410P/NEAT-LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2021-06-23T16:08:47.518080Z |
| Orbit solution date (soln_date, UTC) |
2024-10-10T17:20:56Z |
| Obs used |
272 |
| NEO |
- |
| M1 |
15.300 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2003-11-19T08:35:26.880000Z |
| Discovery magnitude (MPC) |
19.40 |
| Discovery observatory (MPC) |
644 · Palomar Mountain/NEAT |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2020-10-23.0000000 |
| e |
0.51001407 |
| q (au) |
3.246901 |
| a (au) |
6.626518 |
| i (deg) |
9.393692 |
| Ω (om, deg) |
139.982329 |
| ω (w, deg) |
313.113433 |
| M (ma, deg) |
345.920638 |
等級
散乱 + 全体線形
$$
M_a = (14.656 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
14.656 |
| n |
2.000 |
| gf |
0.995 |
| gb |
-0.926 |
| 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
残差 (区間線形)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| 開始日 (UTC) |
終了日 (UTC) |
a |
b |
| 2020-08-29 |
2021-02-13 |
+16.5564 |
-8.722 |
| 2021-11-07 |
2022-04-29 |
-18.9461 |
+10.146 |
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) |
| 2026-06-01 00:00 |
16:02:17.34 |
-10:05:54.3 |
HIP 78715 |
29.69 |
| 2026-06-01 12:00 |
16:02:06.30 |
-10:05:30.3 |
HIP 78715 |
32.11 |
| 2026-06-02 00:00 |
16:01:55.28 |
-10:05:06.8 |
HIP 78342 |
32.53 |
| 2026-06-02 12:00 |
16:01:44.29 |
-10:04:43.6 |
HIP 78342 |
29.82 |
| 2026-06-03 00:00 |
16:01:33.33 |
-10:04:20.9 |
HIP 78342 |
27.11 |
| 2026-06-03 12:00 |
16:01:22.40 |
-10:03:58.5 |
HIP 78342 |
24.42 |
| 2026-06-04 00:00 |
16:01:11.49 |
-10:03:36.6 |
HIP 78342 |
21.74 |
| 2026-06-04 12:00 |
16:01:00.62 |
-10:03:15.1 |
HIP 78342 |
19.08 |
| 2026-06-05 00:00 |
16:00:49.78 |
-10:02:53.9 |
HIP 78342 |
16.44 |
| 2026-06-05 12:00 |
16:00:38.98 |
-10:02:33.2 |
HIP 78342 |
13.83 |
| 2026-06-06 00:00 |
16:00:28.21 |
-10:02:12.9 |
HIP 78342 |
11.27 |
| 2026-06-06 12:00 |
16:00:17.47 |
-10:01:53.0 |
HIP 78342 |
8.78 |
| 2026-06-07 00:00 |
16:00:06.78 |
-10:01:33.5 |
HIP 78342 |
6.45 |
| 2026-06-07 12:00 |
15:59:56.12 |
-10:01:14.4 |
HIP 78342 |
4.51 |
| 2026-06-08 00:00 |
15:59:45.50 |
-10:00:55.8 |
HIP 78342 |
3.61 |
| 2026-06-08 12:00 |
15:59:34.92 |
-10:00:37.6 |
HIP 78342 |
4.43 |
| 2026-06-09 00:00 |
15:59:24.39 |
-10:00:19.8 |
HIP 78342 |
6.31 |
| 2026-06-09 12:00 |
15:59:13.90 |
-10:00:02.5 |
HIP 78342 |
8.58 |
| 2026-06-10 00:00 |
15:59:03.45 |
-09:59:45.5 |
HIP 78342 |
10.98 |
| 2026-06-10 12:00 |
15:58:53.05 |
-09:59:29.1 |
HIP 78342 |
13.45 |
| 2026-06-11 00:00 |
15:58:42.70 |
-09:59:13.0 |
HIP 78342 |
15.93 |
| 2026-06-11 12:00 |
15:58:32.39 |
-09:58:57.4 |
HIP 78342 |
18.43 |
| 2026-06-12 00:00 |
15:58:22.14 |
-09:58:42.3 |
HIP 78342 |
20.93 |
| 2026-06-12 12:00 |
15:58:11.94 |
-09:58:27.6 |
HIP 78342 |
23.42 |
| 2026-06-13 00:00 |
15:58:01.79 |
-09:58:13.3 |
HIP 78342 |
25.91 |
| 2026-06-13 12:00 |
15:57:51.69 |
-09:57:59.5 |
HIP 78148 |
25.98 |
| 2026-06-14 00:00 |
15:57:41.65 |
-09:57:46.2 |
HIP 78148 |
25.32 |
| 2026-06-14 12:00 |
15:57:31.66 |
-09:57:33.3 |
HIP 78056 |
24.12 |
| 2026-06-15 00:00 |
15:57:21.73 |
-09:57:20.9 |
HIP 78056 |
22.06 |
| 2026-06-15 12:00 |
15:57:11.86 |
-09:57:08.9 |
HIP 78056 |
20.10 |
| 2026-06-16 00:00 |
15:57:02.05 |
-09:56:57.4 |
HIP 78056 |
18.27 |
| 2026-06-16 12:00 |
15:56:52.30 |
-09:56:46.4 |
HIP 78056 |
16.61 |
| 2026-06-17 00:00 |
15:56:42.62 |
-09:56:35.8 |
HIP 78056 |
15.17 |
| 2026-06-17 12:00 |
15:56:32.99 |
-09:56:25.7 |
HIP 78056 |
14.01 |
| 2026-06-18 00:00 |
15:56:23.43 |
-09:56:16.0 |
HIP 78056 |
13.18 |
| 2026-06-18 12:00 |
15:56:13.94 |
-09:56:06.9 |
HIP 78056 |
12.75 |
| 2026-06-19 00:00 |
15:56:04.51 |
-09:55:58.2 |
HIP 78056 |
12.76 |
| 2026-06-19 12:00 |
15:55:55.15 |
-09:55:49.9 |
HIP 78056 |
13.18 |
| 2026-06-20 00:00 |
15:55:45.86 |
-09:55:42.2 |
HIP 78056 |
13.97 |
| 2026-06-20 12:00 |
15:55:36.64 |
-09:55:34.9 |
HIP 78056 |
15.07 |
| 2026-06-21 00:00 |
15:55:27.49 |
-09:55:28.1 |
HIP 78056 |
16.41 |
| 2026-06-21 12:00 |
15:55:18.41 |
-09:55:21.7 |
HIP 78056 |
17.92 |
| 2026-06-22 00:00 |
15:55:09.40 |
-09:55:15.8 |
HIP 78056 |
19.57 |