メタデータ
| 項目 |
値 |
| Designation |
C/1975 T2 (Suzuki-Saigusa-Mori) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1975-10-15T08:38:49.142400Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:24Z |
| Obs used |
112 |
| NEO |
- |
| M1 |
9.700 |
| 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) |
1975-10-31.0000000 |
| e |
0.98560140 |
| q (au) |
0.838053 |
| a (au) |
58.203770 |
| i (deg) |
118.232772 |
| Ω (om, deg) |
216.805399 |
| ω (w, deg) |
152.019697 |
| M (ma, deg) |
0.034714 |
等級
散乱 + 全体線形
$$
M_a = (9.537 + 2.320\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
9.537 |
| n |
2.320 |
| gf |
0.800 |
| gb |
-0.500 |
| k |
0.800 |
| 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) |
| 2026-06-01 00:00 |
14:49:24.46 |
-50:04:26.3 |
HIP 72643 |
22.65 |
| 2026-06-01 12:00 |
14:49:22.00 |
-50:04:13.3 |
HIP 72643 |
22.80 |
| 2026-06-02 00:00 |
14:49:19.55 |
-50:04:00.2 |
HIP 72643 |
22.95 |
| 2026-06-02 12:00 |
14:49:17.12 |
-50:03:47.0 |
HIP 72643 |
23.11 |
| 2026-06-03 00:00 |
14:49:14.69 |
-50:03:33.7 |
HIP 72643 |
23.28 |
| 2026-06-03 12:00 |
14:49:12.27 |
-50:03:20.4 |
HIP 72643 |
23.45 |
| 2026-06-04 00:00 |
14:49:09.87 |
-50:03:06.9 |
HIP 72643 |
23.63 |
| 2026-06-04 12:00 |
14:49:07.48 |
-50:02:53.4 |
HIP 72483 |
23.66 |
| 2026-06-05 00:00 |
14:49:05.09 |
-50:02:39.7 |
HIP 72483 |
23.45 |
| 2026-06-05 12:00 |
14:49:02.72 |
-50:02:26.0 |
HIP 72483 |
23.26 |
| 2026-06-06 00:00 |
14:49:00.37 |
-50:02:12.2 |
HIP 72483 |
23.07 |
| 2026-06-06 12:00 |
14:48:58.02 |
-50:01:58.4 |
HIP 72483 |
22.88 |
| 2026-06-07 00:00 |
14:48:55.69 |
-50:01:44.4 |
HIP 72483 |
22.70 |
| 2026-06-07 12:00 |
14:48:53.36 |
-50:01:30.3 |
HIP 72483 |
22.53 |
| 2026-06-08 00:00 |
14:48:51.05 |
-50:01:16.2 |
HIP 72483 |
22.36 |
| 2026-06-08 12:00 |
14:48:48.76 |
-50:01:02.0 |
HIP 72483 |
22.20 |
| 2026-06-09 00:00 |
14:48:46.47 |
-50:00:47.7 |
HIP 72483 |
22.04 |
| 2026-06-09 12:00 |
14:48:44.20 |
-50:00:33.3 |
HIP 72483 |
21.89 |
| 2026-06-10 00:00 |
14:48:41.95 |
-50:00:18.9 |
HIP 72483 |
21.74 |
| 2026-06-10 12:00 |
14:48:39.70 |
-50:00:04.4 |
HIP 72483 |
21.61 |
| 2026-06-11 00:00 |
14:48:37.47 |
-49:59:49.8 |
HIP 72483 |
21.47 |
| 2026-06-11 12:00 |
14:48:35.26 |
-49:59:35.1 |
HIP 72483 |
21.35 |
| 2026-06-12 00:00 |
14:48:33.05 |
-49:59:20.4 |
HIP 72483 |
21.23 |
| 2026-06-12 12:00 |
14:48:30.86 |
-49:59:05.6 |
HIP 72483 |
21.11 |
| 2026-06-13 00:00 |
14:48:28.69 |
-49:58:50.7 |
HIP 72483 |
21.00 |
| 2026-06-13 12:00 |
14:48:26.53 |
-49:58:35.7 |
HIP 72483 |
20.90 |
| 2026-06-14 00:00 |
14:48:24.38 |
-49:58:20.7 |
HIP 72483 |
20.81 |
| 2026-06-14 12:00 |
14:48:22.25 |
-49:58:05.6 |
HIP 72483 |
20.72 |
| 2026-06-15 00:00 |
14:48:20.14 |
-49:57:50.5 |
HIP 72483 |
20.64 |
| 2026-06-15 12:00 |
14:48:18.04 |
-49:57:35.2 |
HIP 72483 |
20.56 |
| 2026-06-16 00:00 |
14:48:15.95 |
-49:57:20.0 |
HIP 72483 |
20.49 |
| 2026-06-16 12:00 |
14:48:13.88 |
-49:57:04.6 |
HIP 72483 |
20.43 |
| 2026-06-17 00:00 |
14:48:11.82 |
-49:56:49.2 |
HIP 72483 |
20.37 |
| 2026-06-17 12:00 |
14:48:09.79 |
-49:56:33.8 |
HIP 72483 |
20.32 |
| 2026-06-18 00:00 |
14:48:07.76 |
-49:56:18.2 |
HIP 72483 |
20.28 |
| 2026-06-18 12:00 |
14:48:05.75 |
-49:56:02.7 |
HIP 72483 |
20.24 |
| 2026-06-19 00:00 |
14:48:03.76 |
-49:55:47.0 |
HIP 72483 |
20.21 |
| 2026-06-19 12:00 |
14:48:01.79 |
-49:55:31.3 |
HIP 72483 |
20.18 |
| 2026-06-20 00:00 |
14:47:59.83 |
-49:55:15.6 |
HIP 72483 |
20.16 |
| 2026-06-20 12:00 |
14:47:57.89 |
-49:54:59.8 |
HIP 72483 |
20.15 |
| 2026-06-21 00:00 |
14:47:55.96 |
-49:54:44.0 |
HIP 72483 |
20.14 |
| 2026-06-21 12:00 |
14:47:54.05 |
-49:54:28.1 |
HIP 72483 |
20.14 |
| 2026-06-22 00:00 |
14:47:52.16 |
-49:54:12.1 |
HIP 72483 |
20.14 |