メタデータ
| 項目 |
値 |
| Designation |
C/2010 R1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2012-05-18T21:25:42.430080Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:45Z |
| Obs used |
1572 |
| NEO |
- |
| M1 |
6.500 |
| 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) |
2012-06-07.0000000 |
| e |
1.00366507 |
| q (au) |
5.621418 |
| a (au) |
-1533.782641 |
| i (deg) |
156.933369 |
| Ω (om, deg) |
343.649659 |
| ω (w, deg) |
114.496039 |
| M (ma, deg) |
0.000314 |
等級
散乱 + 全体線形
$$
M_a = (2.395 + 5.854\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
2.395 |
| n |
5.854 |
| gf |
0.836 |
| gb |
-0.500 |
| k |
1.000 |
| δ90 |
1.000 |
| 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) |
| 2026-07-29 00:00 |
06:55:49.25 |
+03:12:06.2 |
HIP 33363 |
8.73 |
| 2026-07-29 12:00 |
06:55:52.40 |
+03:11:52.5 |
HIP 33363 |
7.93 |
| 2026-07-30 00:00 |
06:55:55.54 |
+03:11:38.6 |
HIP 33363 |
7.15 |
| 2026-07-30 12:00 |
06:55:58.66 |
+03:11:24.6 |
HIP 33363 |
6.37 |
| 2026-07-31 00:00 |
06:56:01.77 |
+03:11:10.4 |
HIP 33363 |
5.60 |
| 2026-07-31 12:00 |
06:56:04.87 |
+03:10:56.2 |
HIP 33363 |
4.85 |
| 2026-08-01 00:00 |
06:56:07.96 |
+03:10:41.7 |
HIP 33363 |
4.13 |
| 2026-08-01 12:00 |
06:56:11.03 |
+03:10:27.2 |
HIP 33363 |
3.44 |
| 2026-08-02 00:00 |
06:56:14.08 |
+03:10:12.5 |
HIP 33363 |
2.81 |
| 2026-08-02 12:00 |
06:56:17.12 |
+03:09:57.7 |
HIP 33363 |
2.29 |
| 2026-08-03 00:00 |
06:56:20.15 |
+03:09:42.7 |
HIP 33363 |
1.96 |
| 2026-08-03 12:00 |
06:56:23.16 |
+03:09:27.6 |
HIP 33363 |
1.93 |
| 2026-08-04 00:00 |
06:56:26.16 |
+03:09:12.4 |
HIP 33363 |
2.19 |
| 2026-08-04 12:00 |
06:56:29.14 |
+03:08:57.0 |
HIP 33363 |
2.67 |
| 2026-08-05 00:00 |
06:56:32.10 |
+03:08:41.5 |
HIP 33363 |
3.27 |
| 2026-08-05 12:00 |
06:56:35.05 |
+03:08:25.9 |
HIP 33363 |
3.93 |
| 2026-08-06 00:00 |
06:56:37.99 |
+03:08:10.2 |
HIP 33363 |
4.62 |
| 2026-08-06 12:00 |
06:56:40.90 |
+03:07:54.3 |
HIP 33363 |
5.33 |
| 2026-08-07 00:00 |
06:56:43.80 |
+03:07:38.3 |
HIP 33363 |
6.05 |
| 2026-08-07 12:00 |
06:56:46.69 |
+03:07:22.2 |
HIP 33363 |
6.78 |
| 2026-08-08 00:00 |
06:56:49.55 |
+03:07:06.0 |
HIP 33363 |
7.52 |
| 2026-08-08 12:00 |
06:56:52.40 |
+03:06:49.6 |
HIP 33363 |
8.25 |
| 2026-08-09 00:00 |
06:56:55.23 |
+03:06:33.1 |
HIP 33363 |
8.99 |
| 2026-08-09 12:00 |
06:56:58.05 |
+03:06:16.5 |
HIP 33363 |
9.72 |
| 2026-08-10 00:00 |
06:57:00.84 |
+03:05:59.8 |
HIP 33363 |
10.45 |
| 2026-08-10 12:00 |
06:57:03.62 |
+03:05:42.9 |
HIP 33363 |
11.19 |
| 2026-08-11 00:00 |
06:57:06.38 |
+03:05:25.9 |
HIP 33363 |
11.91 |
| 2026-08-11 12:00 |
06:57:09.11 |
+03:05:08.8 |
HIP 33363 |
12.64 |
| 2026-08-12 00:00 |
06:57:11.83 |
+03:04:51.6 |
HIP 33474 |
12.35 |
| 2026-08-12 12:00 |
06:57:14.53 |
+03:04:34.3 |
HIP 33474 |
11.86 |
| 2026-08-13 00:00 |
06:57:17.22 |
+03:04:16.9 |
HIP 33474 |
11.39 |
| 2026-08-13 12:00 |
06:57:19.88 |
+03:03:59.3 |
HIP 33474 |
10.95 |
| 2026-08-14 00:00 |
06:57:22.52 |
+03:03:41.6 |
HIP 33474 |
10.54 |
| 2026-08-14 12:00 |
06:57:25.14 |
+03:03:23.9 |
HIP 33474 |
10.17 |
| 2026-08-15 00:00 |
06:57:27.74 |
+03:03:06.0 |
HIP 33474 |
9.83 |
| 2026-08-15 12:00 |
06:57:30.32 |
+03:02:48.0 |
HIP 33474 |
9.53 |
| 2026-08-16 00:00 |
06:57:32.88 |
+03:02:29.9 |
HIP 33474 |
9.27 |
| 2026-08-16 12:00 |
06:57:35.41 |
+03:02:11.7 |
HIP 33474 |
9.06 |
| 2026-08-17 00:00 |
06:57:37.93 |
+03:01:53.3 |
HIP 33474 |
8.89 |
| 2026-08-17 12:00 |
06:57:40.42 |
+03:01:34.9 |
HIP 33474 |
8.77 |
| 2026-08-18 00:00 |
06:57:42.89 |
+03:01:16.4 |
HIP 33474 |
8.71 |
| 2026-08-18 12:00 |
06:57:45.34 |
+03:00:57.8 |
HIP 33474 |
8.69 |
| 2026-08-19 00:00 |
06:57:47.77 |
+03:00:39.1 |
HIP 33474 |
8.73 |