メタデータ
| 項目 |
値 |
| Designation |
C/2004 RG113 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2005-03-03T17:13:10.678080Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:43Z |
| Obs used |
414 |
| NEO |
- |
| M1 |
13.900 |
| K1 |
8.000 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2005-02-11.0000000 |
| e |
0.99722336 |
| q (au) |
1.942358 |
| a (au) |
699.536709 |
| i (deg) |
21.618236 |
| Ω (om, deg) |
8.772958 |
| ω (w, deg) |
125.305509 |
| M (ma, deg) |
359.998896 |
等級
散乱 + 全体線形
$$
M_a = (9.533 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
9.533 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-1.000 |
| k |
0.999 |
| 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) |
| 2026-06-01 00:00 |
19:48:26.81 |
-42:59:18.7 |
HIP 97449 |
18.78 |
| 2026-06-01 12:00 |
19:48:24.22 |
-42:59:34.9 |
HIP 97449 |
19.04 |
| 2026-06-02 00:00 |
19:48:21.61 |
-42:59:51.0 |
HIP 97449 |
19.32 |
| 2026-06-02 12:00 |
19:48:18.98 |
-43:00:07.0 |
HIP 97449 |
19.61 |
| 2026-06-03 00:00 |
19:48:16.32 |
-43:00:22.9 |
HIP 97449 |
19.91 |
| 2026-06-03 12:00 |
19:48:13.64 |
-43:00:38.8 |
HIP 97449 |
20.22 |
| 2026-06-04 00:00 |
19:48:10.94 |
-43:00:54.7 |
HIP 97449 |
20.54 |
| 2026-06-04 12:00 |
19:48:08.21 |
-43:01:10.5 |
HIP 97449 |
20.86 |
| 2026-06-05 00:00 |
19:48:05.46 |
-43:01:26.2 |
HIP 97370 |
20.61 |
| 2026-06-05 12:00 |
19:48:02.69 |
-43:01:41.8 |
HIP 97370 |
20.19 |
| 2026-06-06 00:00 |
19:47:59.89 |
-43:01:57.4 |
HIP 97370 |
19.78 |
| 2026-06-06 12:00 |
19:47:57.07 |
-43:02:13.0 |
HIP 97370 |
19.37 |
| 2026-06-07 00:00 |
19:47:54.23 |
-43:02:28.4 |
HIP 97370 |
18.98 |
| 2026-06-07 12:00 |
19:47:51.37 |
-43:02:43.8 |
HIP 97370 |
18.59 |
| 2026-06-08 00:00 |
19:47:48.49 |
-43:02:59.1 |
HIP 97370 |
18.21 |
| 2026-06-08 12:00 |
19:47:45.58 |
-43:03:14.3 |
HIP 97370 |
17.85 |
| 2026-06-09 00:00 |
19:47:42.66 |
-43:03:29.5 |
HIP 97370 |
17.50 |
| 2026-06-09 12:00 |
19:47:39.71 |
-43:03:44.6 |
HIP 97370 |
17.16 |
| 2026-06-10 00:00 |
19:47:36.74 |
-43:03:59.6 |
HIP 97370 |
16.84 |
| 2026-06-10 12:00 |
19:47:33.75 |
-43:04:14.5 |
HIP 97370 |
16.53 |
| 2026-06-11 00:00 |
19:47:30.74 |
-43:04:29.4 |
HIP 97370 |
16.24 |
| 2026-06-11 12:00 |
19:47:27.71 |
-43:04:44.2 |
HIP 97370 |
15.97 |
| 2026-06-12 00:00 |
19:47:24.66 |
-43:04:58.9 |
HIP 97370 |
15.72 |
| 2026-06-12 12:00 |
19:47:21.60 |
-43:05:13.5 |
HIP 97370 |
15.49 |
| 2026-06-13 00:00 |
19:47:18.51 |
-43:05:28.0 |
HIP 97370 |
15.28 |
| 2026-06-13 12:00 |
19:47:15.40 |
-43:05:42.5 |
HIP 97370 |
15.09 |
| 2026-06-14 00:00 |
19:47:12.27 |
-43:05:56.8 |
HIP 97370 |
14.94 |
| 2026-06-14 12:00 |
19:47:09.13 |
-43:06:11.1 |
HIP 97370 |
14.80 |
| 2026-06-15 00:00 |
19:47:05.97 |
-43:06:25.3 |
HIP 97370 |
14.70 |
| 2026-06-15 12:00 |
19:47:02.78 |
-43:06:39.4 |
HIP 97370 |
14.62 |
| 2026-06-16 00:00 |
19:46:59.59 |
-43:06:53.4 |
HIP 97370 |
14.57 |
| 2026-06-16 12:00 |
19:46:56.37 |
-43:07:07.3 |
HIP 97370 |
14.55 |
| 2026-06-17 00:00 |
19:46:53.14 |
-43:07:21.1 |
HIP 97370 |
14.57 |
| 2026-06-17 12:00 |
19:46:49.88 |
-43:07:34.8 |
HIP 97370 |
14.61 |
| 2026-06-18 00:00 |
19:46:46.62 |
-43:07:48.4 |
HIP 97245 |
14.33 |
| 2026-06-18 12:00 |
19:46:43.33 |
-43:08:01.9 |
HIP 97245 |
13.76 |
| 2026-06-19 00:00 |
19:46:40.03 |
-43:08:15.3 |
HIP 97245 |
13.19 |
| 2026-06-19 12:00 |
19:46:36.72 |
-43:08:28.6 |
HIP 97245 |
12.63 |
| 2026-06-20 00:00 |
19:46:33.39 |
-43:08:41.9 |
HIP 97245 |
12.08 |
| 2026-06-20 12:00 |
19:46:30.04 |
-43:08:55.0 |
HIP 97245 |
11.53 |
| 2026-06-21 00:00 |
19:46:26.68 |
-43:09:08.0 |
HIP 97245 |
11.00 |
| 2026-06-21 12:00 |
19:46:23.30 |
-43:09:20.9 |
HIP 97245 |
10.48 |
| 2026-06-22 00:00 |
19:46:19.91 |
-43:09:33.7 |
HIP 97245 |
9.98 |