메타데이터
| 항목 |
값 |
| Designation |
C/1936 K1 (Peltier) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1936-07-08T23:00:20.085120Z |
| Orbit solution date (soln_date, UTC) |
2024-02-20T20:16:47Z |
| Obs used |
113 |
| NEO |
- |
| M1 |
6.600 |
| K1 |
18.000 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1936-07-04.0000000 |
| e |
0.99195459 |
| q (au) |
1.099880 |
| a (au) |
136.709018 |
| i (deg) |
78.547416 |
| Ω (om, deg) |
134.940673 |
| ω (w, deg) |
148.477869 |
| M (ma, deg) |
359.996943 |
밝기
산란 + 전체 선형
$$
M_a = (6.033 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
6.033 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-1.000 |
| 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) |
| 2026-07-29 00:00 |
07:52:45.57 |
-19:29:24.3 |
HIP 38555 |
13.22 |
| 2026-07-29 12:00 |
07:52:46.75 |
-19:29:28.4 |
HIP 38555 |
12.93 |
| 2026-07-30 00:00 |
07:52:47.92 |
-19:29:32.6 |
HIP 38555 |
12.65 |
| 2026-07-30 12:00 |
07:52:49.09 |
-19:29:36.9 |
HIP 38555 |
12.36 |
| 2026-07-31 00:00 |
07:52:50.26 |
-19:29:41.3 |
HIP 38555 |
12.08 |
| 2026-07-31 12:00 |
07:52:51.43 |
-19:29:45.7 |
HIP 38555 |
11.79 |
| 2026-08-01 00:00 |
07:52:52.60 |
-19:29:50.3 |
HIP 38555 |
11.51 |
| 2026-08-01 12:00 |
07:52:53.76 |
-19:29:54.9 |
HIP 38555 |
11.23 |
| 2026-08-02 00:00 |
07:52:54.93 |
-19:29:59.6 |
HIP 38555 |
10.94 |
| 2026-08-02 12:00 |
07:52:56.09 |
-19:30:04.4 |
HIP 38555 |
10.66 |
| 2026-08-03 00:00 |
07:52:57.24 |
-19:30:09.3 |
HIP 38555 |
10.38 |
| 2026-08-03 12:00 |
07:52:58.40 |
-19:30:14.3 |
HIP 38555 |
10.10 |
| 2026-08-04 00:00 |
07:52:59.55 |
-19:30:19.4 |
HIP 38555 |
9.81 |
| 2026-08-04 12:00 |
07:53:00.70 |
-19:30:24.5 |
HIP 38555 |
9.53 |
| 2026-08-05 00:00 |
07:53:01.85 |
-19:30:29.7 |
HIP 38555 |
9.25 |
| 2026-08-05 12:00 |
07:53:03.00 |
-19:30:35.0 |
HIP 38555 |
8.97 |
| 2026-08-06 00:00 |
07:53:04.14 |
-19:30:40.4 |
HIP 38555 |
8.69 |
| 2026-08-06 12:00 |
07:53:05.28 |
-19:30:45.9 |
HIP 38555 |
8.41 |
| 2026-08-07 00:00 |
07:53:06.42 |
-19:30:51.5 |
HIP 38555 |
8.14 |
| 2026-08-07 12:00 |
07:53:07.55 |
-19:30:57.1 |
HIP 38555 |
7.86 |
| 2026-08-08 00:00 |
07:53:08.68 |
-19:31:02.9 |
HIP 38555 |
7.58 |
| 2026-08-08 12:00 |
07:53:09.81 |
-19:31:08.7 |
HIP 38555 |
7.31 |
| 2026-08-09 00:00 |
07:53:10.93 |
-19:31:14.6 |
HIP 38555 |
7.04 |
| 2026-08-09 12:00 |
07:53:12.05 |
-19:31:20.6 |
HIP 38555 |
6.76 |
| 2026-08-10 00:00 |
07:53:13.17 |
-19:31:26.6 |
HIP 38555 |
6.49 |
| 2026-08-10 12:00 |
07:53:14.28 |
-19:31:32.8 |
HIP 38555 |
6.23 |
| 2026-08-11 00:00 |
07:53:15.39 |
-19:31:39.0 |
HIP 38555 |
5.96 |
| 2026-08-11 12:00 |
07:53:16.50 |
-19:31:45.3 |
HIP 38555 |
5.70 |
| 2026-08-12 00:00 |
07:53:17.60 |
-19:31:51.7 |
HIP 38555 |
5.43 |
| 2026-08-12 12:00 |
07:53:18.70 |
-19:31:58.1 |
HIP 38555 |
5.18 |
| 2026-08-13 00:00 |
07:53:19.79 |
-19:32:04.7 |
HIP 38555 |
4.92 |
| 2026-08-13 12:00 |
07:53:20.89 |
-19:32:11.3 |
HIP 38555 |
4.67 |
| 2026-08-14 00:00 |
07:53:21.97 |
-19:32:18.0 |
HIP 38555 |
4.42 |
| 2026-08-14 12:00 |
07:53:23.05 |
-19:32:24.7 |
HIP 38555 |
4.18 |
| 2026-08-15 00:00 |
07:53:24.13 |
-19:32:31.6 |
HIP 38555 |
3.95 |
| 2026-08-15 12:00 |
07:53:25.21 |
-19:32:38.5 |
HIP 38555 |
3.72 |
| 2026-08-16 00:00 |
07:53:26.28 |
-19:32:45.5 |
HIP 38555 |
3.50 |
| 2026-08-16 12:00 |
07:53:27.34 |
-19:32:52.6 |
HIP 38555 |
3.29 |
| 2026-08-17 00:00 |
07:53:28.40 |
-19:32:59.7 |
HIP 38555 |
3.09 |
| 2026-08-17 12:00 |
07:53:29.46 |
-19:33:07.0 |
HIP 38555 |
2.91 |
| 2026-08-18 00:00 |
07:53:30.51 |
-19:33:14.2 |
HIP 38555 |
2.75 |
| 2026-08-18 12:00 |
07:53:31.55 |
-19:33:21.6 |
HIP 38555 |
2.60 |
| 2026-08-19 00:00 |
07:53:32.60 |
-19:33:29.1 |
HIP 38555 |
2.48 |