메타데이터
| 항목 |
값 |
| 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 |
Osculating 궤도요소
| 항목 |
값 |
| 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 |
밝기
산란 + 전체 선형
$$
M_a = (9.537 + 2.320\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
9.537 |
| n |
2.320 |
| gf |
0.800 |
| gb |
-0.500 |
| k |
0.800 |
| δ90 |
1.000 |
| 파라미터 |
기호 |
범위 |
설명 |
| 태양·지구거리 1 AU에서의 절대등급 |
H0 |
-5 to 20 |
혜성의 고유 밝기 |
| 광도 기울기 파라미터 |
n |
2 to 6 |
태양거리 변화에 따른 밝기 변화율 |
| 전방 산란 비대칭 계수 |
gf |
0.8 to 1 |
전방 산란의 강도 |
| 후방 산란 비대칭 계수 |
gb |
-1 to -0.5 |
후방 산란의 강도 |
| 분할 계수 |
k |
0.8 to 1 |
전·후방 산란 기여도 비율 |
| 먼지/가스 밝기 비 |
δ90 |
1 to 10 |
코마에서 먼지 산란 대비 가스 방출의 상대 기여 |
참고: EPSC-DPS2025-160
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-09-20 00:00 |
14:47:46.06 |
-49:12:13.4 |
HIP 72385 |
14.48 |
| 2026-09-20 12:00 |
14:47:47.85 |
-49:12:06.8 |
HIP 72385 |
14.55 |
| 2026-09-21 00:00 |
14:47:49.66 |
-49:12:00.4 |
HIP 72385 |
14.61 |
| 2026-09-21 12:00 |
14:47:51.48 |
-49:11:54.1 |
HIP 72385 |
14.68 |
| 2026-09-22 00:00 |
14:47:53.32 |
-49:11:47.9 |
HIP 72385 |
14.75 |
| 2026-09-22 12:00 |
14:47:55.18 |
-49:11:41.9 |
HIP 72385 |
14.83 |
| 2026-09-23 00:00 |
14:47:57.05 |
-49:11:36.0 |
HIP 72385 |
14.91 |
| 2026-09-23 12:00 |
14:47:58.93 |
-49:11:30.2 |
HIP 72385 |
15.00 |
| 2026-09-24 00:00 |
14:48:00.83 |
-49:11:24.6 |
HIP 72385 |
15.09 |
| 2026-09-24 12:00 |
14:48:02.75 |
-49:11:19.0 |
HIP 72385 |
15.18 |
| 2026-09-25 00:00 |
14:48:04.68 |
-49:11:13.6 |
HIP 72385 |
15.28 |
| 2026-09-25 12:00 |
14:48:06.62 |
-49:11:08.4 |
HIP 72385 |
15.39 |
| 2026-09-26 00:00 |
14:48:08.58 |
-49:11:03.2 |
HIP 72385 |
15.49 |
| 2026-09-26 12:00 |
14:48:10.55 |
-49:10:58.2 |
HIP 72385 |
15.61 |
| 2026-09-27 00:00 |
14:48:12.54 |
-49:10:53.4 |
HIP 72385 |
15.72 |
| 2026-09-27 12:00 |
14:48:14.54 |
-49:10:48.6 |
HIP 72385 |
15.84 |
| 2026-09-28 00:00 |
14:48:16.56 |
-49:10:44.0 |
HIP 72385 |
15.97 |
| 2026-09-28 12:00 |
14:48:18.59 |
-49:10:39.5 |
HIP 72385 |
16.10 |
| 2026-09-29 00:00 |
14:48:20.63 |
-49:10:35.2 |
HIP 72385 |
16.23 |
| 2026-09-29 12:00 |
14:48:22.69 |
-49:10:30.9 |
HIP 72385 |
16.37 |
| 2026-09-30 00:00 |
14:48:24.76 |
-49:10:26.8 |
HIP 72385 |
16.51 |
| 2026-09-30 12:00 |
14:48:26.84 |
-49:10:22.9 |
HIP 72385 |
16.66 |
| 2026-10-01 00:00 |
14:48:28.94 |
-49:10:19.1 |
HIP 72385 |
16.81 |
| 2026-10-01 12:00 |
14:48:31.05 |
-49:10:15.4 |
HIP 72385 |
16.96 |
| 2026-10-02 00:00 |
14:48:33.18 |
-49:10:11.8 |
HIP 72385 |
17.12 |
| 2026-10-02 12:00 |
14:48:35.31 |
-49:10:08.4 |
HIP 72385 |
17.29 |
| 2026-10-03 00:00 |
14:48:37.46 |
-49:10:05.1 |
HIP 72385 |
17.45 |
| 2026-10-03 12:00 |
14:48:39.62 |
-49:10:01.9 |
HIP 72385 |
17.63 |
| 2026-10-04 00:00 |
14:48:41.80 |
-49:09:58.9 |
HIP 72385 |
17.80 |
| 2026-10-04 12:00 |
14:48:43.98 |
-49:09:56.0 |
HIP 72385 |
17.98 |
| 2026-10-05 00:00 |
14:48:46.18 |
-49:09:53.2 |
HIP 72385 |
18.17 |
| 2026-10-05 12:00 |
14:48:48.39 |
-49:09:50.6 |
HIP 72385 |
18.36 |
| 2026-10-06 00:00 |
14:48:50.61 |
-49:09:48.1 |
HIP 72385 |
18.55 |
| 2026-10-06 12:00 |
14:48:52.85 |
-49:09:45.8 |
HIP 72385 |
18.74 |
| 2026-10-07 00:00 |
14:48:55.09 |
-49:09:43.6 |
HIP 72385 |
18.95 |
| 2026-10-07 12:00 |
14:48:57.35 |
-49:09:41.5 |
HIP 72385 |
19.15 |
| 2026-10-08 00:00 |
14:48:59.62 |
-49:09:39.5 |
HIP 72385 |
19.36 |
| 2026-10-08 12:00 |
14:49:01.90 |
-49:09:37.7 |
HIP 72385 |
19.57 |
| 2026-10-09 00:00 |
14:49:04.19 |
-49:09:36.0 |
HIP 72385 |
19.79 |
| 2026-10-09 12:00 |
14:49:06.49 |
-49:09:34.5 |
HIP 72385 |
20.00 |
| 2026-10-10 00:00 |
14:49:08.80 |
-49:09:33.1 |
HIP 72385 |
20.23 |
| 2026-10-10 12:00 |
14:49:11.12 |
-49:09:31.8 |
HIP 72385 |
20.45 |
| 2026-10-11 00:00 |
14:49:13.46 |
-49:09:30.7 |
HIP 72385 |
20.68 |