C/1954 O1 (Vozarova)
メタデータ
| 項目 |
値 |
| Designation |
C/1954 O1 (Vozarova) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1954-06-01T22:01:56.046720Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:12Z |
| Obs used |
4 |
| NEO |
- |
| M1 |
- |
| K1 |
- |
| PC |
- |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
1954-11-09.0000000 |
| e |
1.07365063 |
| q (au) |
0.781184 |
| a (au) |
-10.606611 |
| i (deg) |
115.183591 |
| Ω (om, deg) |
123.985753 |
| ω (w, deg) |
5.108240 |
| M (ma, deg) |
4.567532 |
等級
散乱 + 全体線形
$$
M_a = (4.780 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
4.780 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.998 |
| 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) |
| 2026-02-03 00:00 |
20:39:28.91 |
-02:01:56.7 |
HIP 101921 |
23.17 |
| 2026-02-03 12:00 |
20:39:29.61 |
-02:01:53.8 |
HIP 101921 |
23.24 |
| 2026-02-04 00:00 |
20:39:30.31 |
-02:01:50.9 |
HIP 101921 |
23.32 |
| 2026-02-04 12:00 |
20:39:31.00 |
-02:01:48.0 |
HIP 101921 |
23.40 |
| 2026-02-05 00:00 |
20:39:31.70 |
-02:01:45.0 |
HIP 101921 |
23.49 |
| 2026-02-05 12:00 |
20:39:32.39 |
-02:01:42.0 |
HIP 101921 |
23.57 |
| 2026-02-06 00:00 |
20:39:33.08 |
-02:01:39.0 |
HIP 101921 |
23.65 |
| 2026-02-06 12:00 |
20:39:33.77 |
-02:01:35.9 |
HIP 101921 |
23.74 |
| 2026-02-07 00:00 |
20:39:34.46 |
-02:01:32.9 |
HIP 101921 |
23.83 |
| 2026-02-07 12:00 |
20:39:35.15 |
-02:01:29.8 |
HIP 101921 |
23.92 |
| 2026-02-08 00:00 |
20:39:35.84 |
-02:01:26.7 |
HIP 101921 |
24.01 |
| 2026-02-08 12:00 |
20:39:36.53 |
-02:01:23.6 |
HIP 101921 |
24.10 |
| 2026-02-09 00:00 |
20:39:37.22 |
-02:01:20.4 |
HIP 101921 |
24.19 |
| 2026-02-09 12:00 |
20:39:37.90 |
-02:01:17.3 |
HIP 101921 |
24.29 |
| 2026-02-10 00:00 |
20:39:38.58 |
-02:01:14.1 |
HIP 101921 |
24.38 |
| 2026-02-10 12:00 |
20:39:39.27 |
-02:01:10.9 |
HIP 101921 |
24.48 |
| 2026-02-11 00:00 |
20:39:39.95 |
-02:01:07.6 |
HIP 101921 |
24.57 |
| 2026-02-11 12:00 |
20:39:40.62 |
-02:01:04.4 |
HIP 101921 |
24.67 |
| 2026-02-12 00:00 |
20:39:41.30 |
-02:01:01.1 |
HIP 101921 |
24.77 |
| 2026-02-12 12:00 |
20:39:41.98 |
-02:00:57.8 |
HIP 101921 |
24.87 |
| 2026-02-13 00:00 |
20:39:42.65 |
-02:00:54.5 |
HIP 101921 |
24.98 |
| 2026-02-13 12:00 |
20:39:43.32 |
-02:00:51.2 |
HIP 101921 |
25.08 |
| 2026-02-14 00:00 |
20:39:44.00 |
-02:00:47.9 |
HIP 101921 |
25.18 |
| 2026-02-14 12:00 |
20:39:44.66 |
-02:00:44.5 |
HIP 101921 |
25.29 |
| 2026-02-15 00:00 |
20:39:45.33 |
-02:00:41.1 |
HIP 101921 |
25.39 |
| 2026-02-15 12:00 |
20:39:46.00 |
-02:00:37.7 |
HIP 101921 |
25.50 |
| 2026-02-16 00:00 |
20:39:46.66 |
-02:00:34.3 |
HIP 101921 |
25.61 |
| 2026-02-16 12:00 |
20:39:47.32 |
-02:00:30.8 |
HIP 101921 |
25.71 |
| 2026-02-17 00:00 |
20:39:47.98 |
-02:00:27.4 |
HIP 101921 |
25.82 |
| 2026-02-17 12:00 |
20:39:48.64 |
-02:00:23.9 |
HIP 101921 |
25.93 |
| 2026-02-18 00:00 |
20:39:49.29 |
-02:00:20.4 |
HIP 101921 |
26.04 |
| 2026-02-18 12:00 |
20:39:49.94 |
-02:00:16.9 |
HIP 101921 |
26.16 |
| 2026-02-19 00:00 |
20:39:50.59 |
-02:00:13.4 |
HIP 101921 |
26.27 |
| 2026-02-19 12:00 |
20:39:51.24 |
-02:00:09.9 |
HIP 101921 |
26.38 |
| 2026-02-20 00:00 |
20:39:51.89 |
-02:00:06.3 |
HIP 101921 |
26.49 |
| 2026-02-20 12:00 |
20:39:52.53 |
-02:00:02.7 |
HIP 101921 |
26.61 |
| 2026-02-21 00:00 |
20:39:53.17 |
-01:59:59.2 |
HIP 101921 |
26.72 |
| 2026-02-21 12:00 |
20:39:53.81 |
-01:59:55.6 |
HIP 101921 |
26.84 |
| 2026-02-22 00:00 |
20:39:54.44 |
-01:59:51.9 |
HIP 101921 |
26.96 |
| 2026-02-22 12:00 |
20:39:55.08 |
-01:59:48.3 |
HIP 101921 |
27.07 |
| 2026-02-23 00:00 |
20:39:55.71 |
-01:59:44.7 |
HIP 101921 |
27.19 |
| 2026-02-23 12:00 |
20:39:56.33 |
-01:59:41.0 |
HIP 101921 |
27.31 |
| 2026-02-24 00:00 |
20:39:56.96 |
-01:59:37.4 |
HIP 101921 |
27.42 |