83D/Russell 1
メタデータ
| 項目 |
値 |
| Designation |
83D/Russell 1 |
| Type |
D |
| Perihelion (tp_cal, UTC) |
1985-07-05T05:29:58.032960Z |
| Orbit solution date (soln_date, UTC) |
2002-03-14T16:28:09Z |
| Obs used |
20 |
| NEO |
- |
| M1 |
14.000 |
| K1 |
15.000 |
| PC |
- |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
1985-06-24.0000000 |
| e |
0.51720991 |
| q (au) |
1.611542 |
| a (au) |
3.337976 |
| i (deg) |
22.659459 |
| Ω (om, deg) |
230.842006 |
| ω (w, deg) |
0.376229 |
| M (ma, deg) |
358.185212 |
等級
散乱 + 全体線形
$$
M_a = (11.812 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
11.812 |
| 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 |
01:50:55.73 |
+13:11:22.8 |
HIP 8703 |
20.73 |
| 2026-02-03 12:00 |
01:51:07.76 |
+13:11:44.0 |
HIP 8703 |
18.45 |
| 2026-02-04 00:00 |
01:51:19.93 |
+13:12:06.0 |
HIP 8703 |
16.34 |
| 2026-02-04 12:00 |
01:51:32.25 |
+13:12:29.0 |
HIP 8703 |
14.52 |
| 2026-02-05 00:00 |
01:51:44.71 |
+13:12:52.9 |
HIP 8703 |
13.13 |
| 2026-02-05 12:00 |
01:51:57.32 |
+13:13:17.7 |
HIP 8703 |
12.34 |
| 2026-02-06 00:00 |
01:52:10.07 |
+13:13:43.3 |
HIP 8703 |
12.29 |
| 2026-02-06 12:00 |
01:52:22.96 |
+13:14:09.8 |
HIP 8703 |
13.02 |
| 2026-02-07 00:00 |
01:52:35.99 |
+13:14:37.2 |
HIP 8703 |
14.44 |
| 2026-02-07 12:00 |
01:52:49.16 |
+13:15:05.4 |
HIP 8703 |
16.38 |
| 2026-02-08 00:00 |
01:53:02.47 |
+13:15:34.5 |
HIP 8703 |
18.71 |
| 2026-02-08 12:00 |
01:53:15.92 |
+13:16:04.5 |
HIP 8703 |
21.31 |
| 2026-02-09 00:00 |
01:53:29.50 |
+13:16:35.3 |
HIP 8703 |
24.12 |
| 2026-02-09 12:00 |
01:53:43.23 |
+13:17:06.9 |
HIP 8703 |
27.07 |
| 2026-02-10 00:00 |
01:53:57.09 |
+13:17:39.3 |
HIP 8703 |
30.14 |
| 2026-02-10 12:00 |
01:54:11.09 |
+13:18:12.6 |
HIP 8916 |
28.59 |
| 2026-02-11 00:00 |
01:54:25.22 |
+13:18:46.7 |
HIP 8916 |
27.17 |
| 2026-02-11 12:00 |
01:54:39.48 |
+13:19:21.6 |
HIP 8916 |
26.13 |
| 2026-02-12 00:00 |
01:54:53.88 |
+13:19:57.3 |
HIP 8916 |
25.52 |
| 2026-02-12 12:00 |
01:55:08.41 |
+13:20:33.8 |
HIP 8916 |
25.39 |
| 2026-02-13 00:00 |
01:55:23.07 |
+13:21:11.0 |
HIP 8916 |
25.76 |
| 2026-02-13 12:00 |
01:55:37.87 |
+13:21:49.1 |
HIP 9074 |
22.56 |
| 2026-02-14 00:00 |
01:55:52.79 |
+13:22:28.0 |
HIP 9074 |
19.46 |
| 2026-02-14 12:00 |
01:56:07.84 |
+13:23:07.6 |
HIP 9074 |
16.57 |
| 2026-02-15 00:00 |
01:56:23.03 |
+13:23:48.0 |
HIP 9074 |
14.05 |
| 2026-02-15 12:00 |
01:56:38.33 |
+13:24:29.1 |
HIP 9074 |
12.16 |
| 2026-02-16 00:00 |
01:56:53.77 |
+13:25:11.0 |
HIP 9074 |
11.26 |
| 2026-02-16 12:00 |
01:57:09.33 |
+13:25:53.6 |
HIP 9074 |
11.62 |
| 2026-02-17 00:00 |
01:57:25.02 |
+13:26:37.0 |
HIP 9074 |
13.15 |
| 2026-02-17 12:00 |
01:57:40.83 |
+13:27:21.1 |
HIP 9180 |
11.73 |
| 2026-02-18 00:00 |
01:57:56.76 |
+13:28:05.9 |
HIP 9180 |
9.27 |
| 2026-02-18 12:00 |
01:58:12.82 |
+13:28:51.4 |
HIP 9180 |
8.07 |
| 2026-02-19 00:00 |
01:58:29.00 |
+13:29:37.7 |
HIP 9180 |
8.72 |
| 2026-02-19 12:00 |
01:58:45.29 |
+13:30:24.6 |
HIP 9180 |
10.93 |
| 2026-02-20 00:00 |
01:59:01.71 |
+13:31:12.2 |
HIP 9180 |
14.00 |
| 2026-02-20 12:00 |
01:59:18.25 |
+13:32:00.5 |
HIP 9180 |
17.51 |
| 2026-02-21 00:00 |
01:59:34.90 |
+13:32:49.5 |
HIP 9405 |
20.49 |
| 2026-02-21 12:00 |
01:59:51.67 |
+13:33:39.2 |
HIP 9405 |
17.50 |
| 2026-02-22 00:00 |
02:00:08.56 |
+13:34:29.5 |
HIP 9405 |
15.07 |
| 2026-02-22 12:00 |
02:00:25.56 |
+13:35:20.4 |
HIP 9405 |
13.53 |
| 2026-02-23 00:00 |
02:00:42.68 |
+13:36:12.1 |
HIP 9405 |
13.22 |
| 2026-02-23 12:00 |
02:00:59.91 |
+13:37:04.3 |
HIP 9405 |
14.25 |
| 2026-02-24 00:00 |
02:01:17.25 |
+13:37:57.2 |
HIP 9405 |
16.39 |