메타데이터
| 항목 |
값 |
| Designation |
C/1946 C1 (Timmers) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1946-04-13T06:19:00.480000Z |
| Orbit solution date (soln_date, UTC) |
- |
| Obs used |
183 |
| NEO |
- |
| M1 |
- |
| K1 |
- |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1946-04-10.0000000 |
| e |
1.00116900 |
| q (au) |
1.724129 |
| a (au) |
-1474.875107 |
| i (deg) |
72.842700 |
| Ω (om, deg) |
129.665000 |
| ω (w, deg) |
54.328000 |
| M (ma, deg) |
-0.000057 |
밝기
산란 + 전체 선형
$$
M_a = (4.132 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
4.132 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.500 |
| k |
1.000 |
| δ90 |
10.000 |
| 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) |
| 2026-06-01 00:00 |
22:55:11.94 |
-48:04:59.4 |
HIP 113307 |
17.43 |
| 2026-06-01 12:00 |
22:55:12.03 |
-48:05:10.7 |
HIP 113307 |
17.49 |
| 2026-06-02 00:00 |
22:55:12.11 |
-48:05:22.0 |
HIP 113307 |
17.55 |
| 2026-06-02 12:00 |
22:55:12.18 |
-48:05:33.3 |
HIP 113307 |
17.62 |
| 2026-06-03 00:00 |
22:55:12.23 |
-48:05:44.7 |
HIP 113307 |
17.69 |
| 2026-06-03 12:00 |
22:55:12.27 |
-48:05:56.1 |
HIP 113307 |
17.77 |
| 2026-06-04 00:00 |
22:55:12.29 |
-48:06:07.6 |
HIP 113307 |
17.85 |
| 2026-06-04 12:00 |
22:55:12.30 |
-48:06:19.1 |
HIP 113307 |
17.93 |
| 2026-06-05 00:00 |
22:55:12.30 |
-48:06:30.7 |
HIP 113307 |
18.02 |
| 2026-06-05 12:00 |
22:55:12.29 |
-48:06:42.3 |
HIP 113307 |
18.11 |
| 2026-06-06 00:00 |
22:55:12.26 |
-48:06:53.9 |
HIP 113307 |
18.21 |
| 2026-06-06 12:00 |
22:55:12.22 |
-48:07:05.6 |
HIP 113307 |
18.31 |
| 2026-06-07 00:00 |
22:55:12.16 |
-48:07:17.3 |
HIP 113307 |
18.41 |
| 2026-06-07 12:00 |
22:55:12.09 |
-48:07:29.0 |
HIP 113307 |
18.52 |
| 2026-06-08 00:00 |
22:55:12.01 |
-48:07:40.8 |
HIP 113307 |
18.63 |
| 2026-06-08 12:00 |
22:55:11.92 |
-48:07:52.6 |
HIP 113307 |
18.75 |
| 2026-06-09 00:00 |
22:55:11.81 |
-48:08:04.5 |
HIP 113307 |
18.86 |
| 2026-06-09 12:00 |
22:55:11.69 |
-48:08:16.4 |
HIP 113307 |
18.99 |
| 2026-06-10 00:00 |
22:55:11.55 |
-48:08:28.3 |
HIP 113307 |
19.11 |
| 2026-06-10 12:00 |
22:55:11.40 |
-48:08:40.3 |
HIP 113307 |
19.24 |
| 2026-06-11 00:00 |
22:55:11.24 |
-48:08:52.3 |
HIP 113191 |
19.10 |
| 2026-06-11 12:00 |
22:55:11.07 |
-48:09:04.3 |
HIP 113191 |
18.91 |
| 2026-06-12 00:00 |
22:55:10.88 |
-48:09:16.3 |
HIP 113191 |
18.71 |
| 2026-06-12 12:00 |
22:55:10.68 |
-48:09:28.4 |
HIP 113191 |
18.51 |
| 2026-06-13 00:00 |
22:55:10.46 |
-48:09:40.5 |
HIP 113191 |
18.31 |
| 2026-06-13 12:00 |
22:55:10.23 |
-48:09:52.7 |
HIP 113191 |
18.11 |
| 2026-06-14 00:00 |
22:55:09.99 |
-48:10:04.8 |
HIP 113191 |
17.91 |
| 2026-06-14 12:00 |
22:55:09.73 |
-48:10:17.0 |
HIP 113191 |
17.71 |
| 2026-06-15 00:00 |
22:55:09.47 |
-48:10:29.2 |
HIP 113191 |
17.51 |
| 2026-06-15 12:00 |
22:55:09.18 |
-48:10:41.4 |
HIP 113191 |
17.31 |
| 2026-06-16 00:00 |
22:55:08.89 |
-48:10:53.7 |
HIP 113191 |
17.11 |
| 2026-06-16 12:00 |
22:55:08.58 |
-48:11:06.0 |
HIP 113191 |
16.91 |
| 2026-06-17 00:00 |
22:55:08.26 |
-48:11:18.3 |
HIP 113191 |
16.71 |
| 2026-06-17 12:00 |
22:55:07.92 |
-48:11:30.6 |
HIP 113191 |
16.51 |
| 2026-06-18 00:00 |
22:55:07.58 |
-48:11:42.9 |
HIP 113191 |
16.31 |
| 2026-06-18 12:00 |
22:55:07.22 |
-48:11:55.3 |
HIP 113191 |
16.11 |
| 2026-06-19 00:00 |
22:55:06.84 |
-48:12:07.7 |
HIP 113191 |
15.91 |
| 2026-06-19 12:00 |
22:55:06.45 |
-48:12:20.1 |
HIP 113191 |
15.71 |
| 2026-06-20 00:00 |
22:55:06.05 |
-48:12:32.5 |
HIP 113191 |
15.51 |
| 2026-06-20 12:00 |
22:55:05.64 |
-48:12:44.9 |
HIP 113191 |
15.31 |
| 2026-06-21 00:00 |
22:55:05.21 |
-48:12:57.3 |
HIP 113191 |
15.12 |
| 2026-06-21 12:00 |
22:55:04.78 |
-48:13:09.8 |
HIP 113191 |
14.92 |
| 2026-06-22 00:00 |
22:55:04.32 |
-48:13:22.2 |
HIP 113191 |
14.72 |