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 |
-0.500 |
| 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) |
| 2026-09-20 00:00 |
20:38:18.10 |
-01:57:21.2 |
HIP 101921 |
30.69 |
| 2026-09-20 12:00 |
20:38:17.66 |
-01:57:25.3 |
HIP 101921 |
30.68 |
| 2026-09-21 00:00 |
20:38:17.23 |
-01:57:29.4 |
HIP 101921 |
30.67 |
| 2026-09-21 12:00 |
20:38:16.80 |
-01:57:33.5 |
HIP 101921 |
30.66 |
| 2026-09-22 00:00 |
20:38:16.37 |
-01:57:37.6 |
HIP 101921 |
30.65 |
| 2026-09-22 12:00 |
20:38:15.95 |
-01:57:41.7 |
HIP 101921 |
30.63 |
| 2026-09-23 00:00 |
20:38:15.54 |
-01:57:45.7 |
HIP 101921 |
30.62 |
| 2026-09-23 12:00 |
20:38:15.13 |
-01:57:49.8 |
HIP 101921 |
30.61 |
| 2026-09-24 00:00 |
20:38:14.72 |
-01:57:53.9 |
HIP 101921 |
30.60 |
| 2026-09-24 12:00 |
20:38:14.32 |
-01:57:58.0 |
HIP 101921 |
30.59 |
| 2026-09-25 00:00 |
20:38:13.93 |
-01:58:02.0 |
HIP 101921 |
30.58 |
| 2026-09-25 12:00 |
20:38:13.54 |
-01:58:06.1 |
HIP 101921 |
30.56 |
| 2026-09-26 00:00 |
20:38:13.15 |
-01:58:10.2 |
HIP 101921 |
30.55 |
| 2026-09-26 12:00 |
20:38:12.77 |
-01:58:14.2 |
HIP 101921 |
30.54 |
| 2026-09-27 00:00 |
20:38:12.39 |
-01:58:18.3 |
HIP 101921 |
30.53 |
| 2026-09-27 12:00 |
20:38:12.02 |
-01:58:22.3 |
HIP 101921 |
30.52 |
| 2026-09-28 00:00 |
20:38:11.66 |
-01:58:26.4 |
HIP 101921 |
30.50 |
| 2026-09-28 12:00 |
20:38:11.30 |
-01:58:30.4 |
HIP 101921 |
30.49 |
| 2026-09-29 00:00 |
20:38:10.94 |
-01:58:34.4 |
HIP 101921 |
30.48 |
| 2026-09-29 12:00 |
20:38:10.59 |
-01:58:38.4 |
HIP 101921 |
30.47 |
| 2026-09-30 00:00 |
20:38:10.24 |
-01:58:42.5 |
HIP 101921 |
30.45 |
| 2026-09-30 12:00 |
20:38:09.90 |
-01:58:46.5 |
HIP 101921 |
30.44 |
| 2026-10-01 00:00 |
20:38:09.57 |
-01:58:50.5 |
HIP 101921 |
30.43 |
| 2026-10-01 12:00 |
20:38:09.24 |
-01:58:54.5 |
HIP 101921 |
30.41 |
| 2026-10-02 00:00 |
20:38:08.91 |
-01:58:58.5 |
HIP 101921 |
30.40 |
| 2026-10-02 12:00 |
20:38:08.59 |
-01:59:02.5 |
HIP 101921 |
30.39 |
| 2026-10-03 00:00 |
20:38:08.28 |
-01:59:06.5 |
HIP 101921 |
30.37 |
| 2026-10-03 12:00 |
20:38:07.97 |
-01:59:10.4 |
HIP 101921 |
30.36 |
| 2026-10-04 00:00 |
20:38:07.66 |
-01:59:14.4 |
HIP 101921 |
30.34 |
| 2026-10-04 12:00 |
20:38:07.36 |
-01:59:18.3 |
HIP 101921 |
30.33 |
| 2026-10-05 00:00 |
20:38:07.07 |
-01:59:22.3 |
HIP 101921 |
30.31 |
| 2026-10-05 12:00 |
20:38:06.78 |
-01:59:26.2 |
HIP 101921 |
30.30 |
| 2026-10-06 00:00 |
20:38:06.50 |
-01:59:30.2 |
HIP 101921 |
30.28 |
| 2026-10-06 12:00 |
20:38:06.22 |
-01:59:34.1 |
HIP 101921 |
30.26 |
| 2026-10-07 00:00 |
20:38:05.95 |
-01:59:38.0 |
HIP 101921 |
30.25 |
| 2026-10-07 12:00 |
20:38:05.68 |
-01:59:41.9 |
HIP 101921 |
30.23 |
| 2026-10-08 00:00 |
20:38:05.42 |
-01:59:45.8 |
HIP 101921 |
30.21 |
| 2026-10-08 12:00 |
20:38:05.17 |
-01:59:49.6 |
HIP 101921 |
30.20 |
| 2026-10-09 00:00 |
20:38:04.92 |
-01:59:53.5 |
HIP 101921 |
30.18 |
| 2026-10-09 12:00 |
20:38:04.68 |
-01:59:57.4 |
HIP 101921 |
30.16 |
| 2026-10-10 00:00 |
20:38:04.44 |
-02:00:01.2 |
HIP 101921 |
30.14 |
| 2026-10-10 12:00 |
20:38:04.20 |
-02:00:05.0 |
HIP 101921 |
30.12 |
| 2026-10-11 00:00 |
20:38:03.98 |
-02:00:08.9 |
HIP 101921 |
30.10 |