메타데이터
| 항목 |
값 |
| Designation |
C/1937 N1 (Finsler) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1937-08-15T15:55:13.992960Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:05Z |
| Obs used |
25 |
| NEO |
- |
| M1 |
6.300 |
| K1 |
13.250 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1937-07-27.0000000 |
| e |
1.00037846 |
| q (au) |
0.862748 |
| a (au) |
-2279.646632 |
| i (deg) |
146.413356 |
| Ω (om, deg) |
59.419869 |
| ω (w, deg) |
114.832464 |
| M (ma, deg) |
-0.000178 |
밝기
산란 + 전체 선형
$$
M_a = (5.747 + 2.504\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
5.747 |
| n |
2.504 |
| gf |
1.000 |
| gb |
-0.500 |
| k |
1.000 |
| 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) |
| 2026-06-01 00:00 |
08:21:04.12 |
-13:45:00.3 |
HIP 40885 |
9.96 |
| 2026-06-01 12:00 |
08:21:04.74 |
-13:44:55.1 |
HIP 40885 |
10.01 |
| 2026-06-02 00:00 |
08:21:05.37 |
-13:44:50.1 |
HIP 40885 |
10.06 |
| 2026-06-02 12:00 |
08:21:06.00 |
-13:44:45.1 |
HIP 40885 |
10.12 |
| 2026-06-03 00:00 |
08:21:06.64 |
-13:44:40.2 |
HIP 40885 |
10.18 |
| 2026-06-03 12:00 |
08:21:07.28 |
-13:44:35.3 |
HIP 40885 |
10.25 |
| 2026-06-04 00:00 |
08:21:07.93 |
-13:44:30.5 |
HIP 40885 |
10.32 |
| 2026-06-04 12:00 |
08:21:08.59 |
-13:44:25.8 |
HIP 40885 |
10.40 |
| 2026-06-05 00:00 |
08:21:09.26 |
-13:44:21.1 |
HIP 40885 |
10.48 |
| 2026-06-05 12:00 |
08:21:09.93 |
-13:44:16.5 |
HIP 40885 |
10.56 |
| 2026-06-06 00:00 |
08:21:10.61 |
-13:44:12.0 |
HIP 40885 |
10.65 |
| 2026-06-06 12:00 |
08:21:11.29 |
-13:44:07.5 |
HIP 40885 |
10.74 |
| 2026-06-07 00:00 |
08:21:11.98 |
-13:44:03.1 |
HIP 40885 |
10.84 |
| 2026-06-07 12:00 |
08:21:12.68 |
-13:43:58.8 |
HIP 40885 |
10.94 |
| 2026-06-08 00:00 |
08:21:13.38 |
-13:43:54.5 |
HIP 40885 |
11.05 |
| 2026-06-08 12:00 |
08:21:14.09 |
-13:43:50.3 |
HIP 40885 |
11.16 |
| 2026-06-09 00:00 |
08:21:14.81 |
-13:43:46.2 |
HIP 40997 |
11.27 |
| 2026-06-09 12:00 |
08:21:15.53 |
-13:43:42.2 |
HIP 40997 |
11.11 |
| 2026-06-10 00:00 |
08:21:16.26 |
-13:43:38.2 |
HIP 40997 |
10.95 |
| 2026-06-10 12:00 |
08:21:17.00 |
-13:43:34.3 |
HIP 40997 |
10.79 |
| 2026-06-11 00:00 |
08:21:17.74 |
-13:43:30.4 |
HIP 40997 |
10.63 |
| 2026-06-11 12:00 |
08:21:18.49 |
-13:43:26.6 |
HIP 40997 |
10.47 |
| 2026-06-12 00:00 |
08:21:19.24 |
-13:43:22.9 |
HIP 40997 |
10.31 |
| 2026-06-12 12:00 |
08:21:20.00 |
-13:43:19.3 |
HIP 40997 |
10.15 |
| 2026-06-13 00:00 |
08:21:20.76 |
-13:43:15.8 |
HIP 40997 |
9.99 |
| 2026-06-13 12:00 |
08:21:21.53 |
-13:43:12.3 |
HIP 40997 |
9.83 |
| 2026-06-14 00:00 |
08:21:22.31 |
-13:43:08.9 |
HIP 40997 |
9.66 |
| 2026-06-14 12:00 |
08:21:23.09 |
-13:43:05.5 |
HIP 40997 |
9.50 |
| 2026-06-15 00:00 |
08:21:23.88 |
-13:43:02.3 |
HIP 40997 |
9.34 |
| 2026-06-15 12:00 |
08:21:24.67 |
-13:42:59.1 |
HIP 40997 |
9.17 |
| 2026-06-16 00:00 |
08:21:25.47 |
-13:42:55.9 |
HIP 40997 |
9.01 |
| 2026-06-16 12:00 |
08:21:26.28 |
-13:42:52.9 |
HIP 40997 |
8.85 |
| 2026-06-17 00:00 |
08:21:27.09 |
-13:42:49.9 |
HIP 40997 |
8.68 |
| 2026-06-17 12:00 |
08:21:27.90 |
-13:42:47.0 |
HIP 40997 |
8.52 |
| 2026-06-18 00:00 |
08:21:28.72 |
-13:42:44.2 |
HIP 40997 |
8.35 |
| 2026-06-18 12:00 |
08:21:29.55 |
-13:42:41.4 |
HIP 40997 |
8.19 |
| 2026-06-19 00:00 |
08:21:30.38 |
-13:42:38.7 |
HIP 40997 |
8.03 |
| 2026-06-19 12:00 |
08:21:31.21 |
-13:42:36.1 |
HIP 40997 |
7.86 |
| 2026-06-20 00:00 |
08:21:32.05 |
-13:42:33.6 |
HIP 40997 |
7.70 |
| 2026-06-20 12:00 |
08:21:32.90 |
-13:42:31.1 |
HIP 40997 |
7.54 |
| 2026-06-21 00:00 |
08:21:33.75 |
-13:42:28.8 |
HIP 40997 |
7.38 |
| 2026-06-21 12:00 |
08:21:34.60 |
-13:42:26.4 |
HIP 40997 |
7.22 |
| 2026-06-22 00:00 |
08:21:35.46 |
-13:42:24.2 |
HIP 40997 |
7.06 |