メタデータ
| 項目 |
値 |
| Designation |
C/2002 B3 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2002-01-16T16:07:23.381760Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:14Z |
| Obs used |
50 |
| NEO |
- |
| M1 |
7.800 |
| K1 |
10.000 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2002-02-11.0000000 |
| e |
1.00544039 |
| q (au) |
6.056174 |
| a (au) |
-1113.188016 |
| i (deg) |
73.690348 |
| Ω (om, deg) |
289.364950 |
| ω (w, deg) |
123.136749 |
| M (ma, deg) |
0.000672 |
等級
散乱 + 全体線形
$$
M_a = (10.937 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
10.937 |
| n |
2.000 |
| gf |
0.910 |
| gb |
-0.500 |
| k |
1.000 |
| δ90 |
7.444 |
| 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 |
08:10:50.65 |
-54:48:13.7 |
HIP 40069 |
7.42 |
| 2026-05-12 12:00 |
08:10:52.36 |
-54:47:40.0 |
HIP 40069 |
7.89 |
| 2026-05-13 00:00 |
08:10:54.11 |
-54:47:06.4 |
HIP 40069 |
8.38 |
| 2026-05-13 12:00 |
08:10:55.90 |
-54:46:33.0 |
HIP 40069 |
8.88 |
| 2026-05-14 00:00 |
08:10:57.72 |
-54:45:59.8 |
HIP 40069 |
9.38 |
| 2026-05-14 12:00 |
08:10:59.58 |
-54:45:26.7 |
HIP 40069 |
9.90 |
| 2026-05-15 00:00 |
08:11:01.47 |
-54:44:53.7 |
HIP 40069 |
10.43 |
| 2026-05-15 12:00 |
08:11:03.40 |
-54:44:20.9 |
HIP 40069 |
10.96 |
| 2026-05-16 00:00 |
08:11:05.37 |
-54:43:48.3 |
HIP 40069 |
11.49 |
| 2026-05-16 12:00 |
08:11:07.37 |
-54:43:15.9 |
HIP 40069 |
12.04 |
| 2026-05-17 00:00 |
08:11:09.40 |
-54:42:43.6 |
HIP 40069 |
12.58 |
| 2026-05-17 12:00 |
08:11:11.48 |
-54:42:11.4 |
HIP 40069 |
13.13 |
| 2026-05-18 00:00 |
08:11:13.58 |
-54:41:39.5 |
HIP 40069 |
13.68 |
| 2026-05-18 12:00 |
08:11:15.72 |
-54:41:07.7 |
HIP 40069 |
14.24 |
| 2026-05-19 00:00 |
08:11:17.90 |
-54:40:36.1 |
HIP 40069 |
14.79 |
| 2026-05-19 12:00 |
08:11:20.11 |
-54:40:04.7 |
HIP 40069 |
15.35 |
| 2026-05-20 00:00 |
08:11:22.35 |
-54:39:33.5 |
HIP 40069 |
15.91 |
| 2026-05-20 12:00 |
08:11:24.63 |
-54:39:02.4 |
HIP 40069 |
16.47 |
| 2026-05-21 00:00 |
08:11:26.94 |
-54:38:31.6 |
HIP 40069 |
17.03 |
| 2026-05-21 12:00 |
08:11:29.29 |
-54:38:00.9 |
HIP 40069 |
17.60 |
| 2026-05-22 00:00 |
08:11:31.66 |
-54:37:30.4 |
HIP 40069 |
18.16 |
| 2026-05-22 12:00 |
08:11:34.08 |
-54:37:00.1 |
HIP 40069 |
18.73 |
| 2026-05-23 00:00 |
08:11:36.52 |
-54:36:30.0 |
HIP 40069 |
19.30 |
| 2026-05-23 12:00 |
08:11:39.00 |
-54:36:00.1 |
HIP 40069 |
19.86 |
| 2026-05-24 00:00 |
08:11:41.50 |
-54:35:30.4 |
HIP 40069 |
20.43 |
| 2026-05-24 12:00 |
08:11:44.04 |
-54:35:00.9 |
HIP 40069 |
21.00 |
| 2026-05-25 00:00 |
08:11:46.62 |
-54:34:31.7 |
HIP 40069 |
21.57 |
| 2026-05-25 12:00 |
08:11:49.22 |
-54:34:02.6 |
HIP 40069 |
22.14 |
| 2026-05-26 00:00 |
08:11:51.86 |
-54:33:33.7 |
HIP 40069 |
22.71 |
| 2026-05-26 12:00 |
08:11:54.52 |
-54:33:05.0 |
HIP 40069 |
23.28 |
| 2026-05-27 00:00 |
08:11:57.22 |
-54:32:36.6 |
HIP 40069 |
23.85 |
| 2026-05-27 12:00 |
08:11:59.95 |
-54:32:08.3 |
HIP 40188 |
23.83 |
| 2026-05-28 00:00 |
08:12:02.71 |
-54:31:40.3 |
HIP 40188 |
23.29 |
| 2026-05-28 12:00 |
08:12:05.50 |
-54:31:12.5 |
HIP 40188 |
22.77 |
| 2026-05-29 00:00 |
08:12:08.32 |
-54:30:44.9 |
HIP 40188 |
22.24 |
| 2026-05-29 12:00 |
08:12:11.17 |
-54:30:17.5 |
HIP 40188 |
21.73 |
| 2026-05-30 00:00 |
08:12:14.05 |
-54:29:50.4 |
HIP 40188 |
21.22 |
| 2026-05-30 12:00 |
08:12:16.96 |
-54:29:23.4 |
HIP 40188 |
20.73 |
| 2026-05-31 00:00 |
08:12:19.89 |
-54:28:56.7 |
HIP 40188 |
20.24 |
| 2026-05-31 12:00 |
08:12:22.86 |
-54:28:30.2 |
HIP 40188 |
19.76 |
| 2026-06-01 00:00 |
08:12:25.86 |
-54:28:04.0 |
HIP 40188 |
19.30 |
| 2026-06-01 12:00 |
08:12:28.88 |
-54:27:38.0 |
HIP 40188 |
18.85 |
| 2026-06-02 00:00 |
08:12:31.94 |
-54:27:12.2 |
HIP 40188 |
18.41 |