メタデータ
| 項目 |
値 |
| Designation |
453P/WISE-Lemmon |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2023-03-02T23:53:38.328000Z |
| Orbit solution date (soln_date, UTC) |
2023-08-06T18:13:35Z |
| Obs used |
324 |
| NEO |
- |
| M1 |
11.400 |
| K1 |
16.750 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2022-11-01T07:57:29.203200Z |
| Discovery magnitude (MPC) |
19.39 G |
| Discovery observatory (MPC) |
G96 · Mt. Lemmon Survey |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2022-10-12.0000000 |
| e |
0.58243939 |
| q (au) |
2.278541 |
| a (au) |
5.456791 |
| i (deg) |
27.067709 |
| Ω (om, deg) |
42.897454 |
| ω (w, deg) |
70.816364 |
| M (ma, deg) |
349.020743 |
等級
散乱 + 全体線形
$$
M_a = (11.183 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
11.183 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-1.000 |
| 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
天体暦
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-05-12 00:00 |
17:16:23.66 |
-41:23:55.5 |
HIP 84463 |
11.09 |
| 2026-05-12 12:00 |
17:16:07.63 |
-41:24:53.1 |
HIP 84463 |
11.44 |
| 2026-05-13 00:00 |
17:15:51.47 |
-41:25:49.8 |
HIP 84463 |
12.59 |
| 2026-05-13 12:00 |
17:15:35.19 |
-41:26:45.6 |
HIP 84334 |
12.32 |
| 2026-05-14 00:00 |
17:15:18.79 |
-41:27:40.6 |
HIP 84334 |
9.17 |
| 2026-05-14 12:00 |
17:15:02.28 |
-41:28:34.8 |
HIP 84334 |
6.04 |
| 2026-05-15 00:00 |
17:14:45.64 |
-41:29:28.0 |
HIP 84334 |
3.11 |
| 2026-05-15 12:00 |
17:14:28.90 |
-41:30:20.4 |
HIP 84334 |
1.94 |
| 2026-05-16 00:00 |
17:14:12.04 |
-41:31:11.8 |
HIP 84334 |
4.37 |
| 2026-05-16 12:00 |
17:13:55.07 |
-41:32:02.4 |
HIP 84334 |
7.48 |
| 2026-05-17 00:00 |
17:13:38.00 |
-41:32:52.1 |
HIP 84204 |
9.92 |
| 2026-05-17 12:00 |
17:13:20.82 |
-41:33:40.8 |
HIP 84204 |
7.15 |
| 2026-05-18 00:00 |
17:13:03.54 |
-41:34:28.6 |
HIP 84204 |
5.06 |
| 2026-05-18 12:00 |
17:12:46.16 |
-41:35:15.5 |
HIP 84204 |
4.70 |
| 2026-05-19 00:00 |
17:12:28.68 |
-41:36:01.5 |
HIP 84204 |
6.40 |
| 2026-05-19 12:00 |
17:12:11.11 |
-41:36:46.6 |
HIP 84204 |
9.07 |
| 2026-05-20 00:00 |
17:11:53.44 |
-41:37:30.7 |
HIP 84204 |
12.11 |
| 2026-05-20 12:00 |
17:11:35.69 |
-41:38:13.8 |
HIP 84204 |
15.29 |
| 2026-05-21 00:00 |
17:11:17.85 |
-41:38:56.1 |
HIP 84204 |
18.56 |
| 2026-05-21 12:00 |
17:10:59.93 |
-41:39:37.3 |
HIP 84204 |
21.88 |
| 2026-05-22 00:00 |
17:10:41.92 |
-41:40:17.6 |
HIP 84117 |
23.32 |
| 2026-05-22 12:00 |
17:10:23.84 |
-41:40:57.0 |
HIP 84117 |
24.80 |
| 2026-05-23 00:00 |
17:10:05.67 |
-41:41:35.3 |
HIP 83846 |
22.14 |
| 2026-05-23 12:00 |
17:09:47.44 |
-41:42:12.7 |
HIP 83846 |
18.70 |
| 2026-05-24 00:00 |
17:09:29.13 |
-41:42:49.2 |
HIP 83846 |
15.25 |
| 2026-05-24 12:00 |
17:09:10.75 |
-41:43:24.6 |
HIP 83846 |
11.81 |
| 2026-05-25 00:00 |
17:08:52.31 |
-41:43:59.1 |
HIP 83846 |
8.39 |
| 2026-05-25 12:00 |
17:08:33.80 |
-41:44:32.6 |
HIP 83846 |
5.05 |
| 2026-05-26 00:00 |
17:08:15.23 |
-41:45:05.1 |
HIP 83846 |
2.23 |
| 2026-05-26 12:00 |
17:07:56.61 |
-41:45:36.6 |
HIP 83846 |
3.00 |
| 2026-05-27 00:00 |
17:07:37.92 |
-41:46:07.2 |
HIP 83846 |
6.15 |
| 2026-05-27 12:00 |
17:07:19.18 |
-41:46:36.7 |
HIP 83846 |
9.56 |
| 2026-05-28 00:00 |
17:07:00.39 |
-41:47:05.3 |
HIP 83846 |
13.04 |
| 2026-05-28 12:00 |
17:06:41.55 |
-41:47:32.8 |
HIP 83846 |
16.55 |
| 2026-05-29 00:00 |
17:06:22.67 |
-41:47:59.4 |
HIP 83846 |
20.07 |
| 2026-05-29 12:00 |
17:06:03.74 |
-41:48:24.9 |
HIP 83846 |
23.61 |
| 2026-05-30 00:00 |
17:05:44.77 |
-41:48:49.5 |
HIP 83846 |
27.15 |
| 2026-05-30 12:00 |
17:05:25.76 |
-41:49:13.0 |
HIP 83846 |
30.71 |
| 2026-05-31 00:00 |
17:05:06.72 |
-41:49:35.6 |
HIP 83846 |
34.26 |
| 2026-05-31 12:00 |
17:04:47.64 |
-41:49:57.1 |
HIP 83403 |
33.74 |
| 2026-06-01 00:00 |
17:04:28.53 |
-41:50:17.6 |
HIP 83403 |
31.20 |
| 2026-06-01 12:00 |
17:04:09.39 |
-41:50:37.2 |
HIP 83403 |
28.89 |
| 2026-06-02 00:00 |
17:03:50.22 |
-41:50:55.7 |
HIP 83403 |
26.88 |