C/2014 H1 (Christensen)
메타데이터
| 항목 |
값 |
| Designation |
C/2014 H1 (Christensen) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2014-04-15T07:54:21.663360Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:32:53Z |
| Obs used |
105 |
| NEO |
- |
| M1 |
14.800 |
| K1 |
10.000 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2014-05-03.0000000 |
| e |
0.98485086 |
| q (au) |
2.138899 |
| a (au) |
141.189497 |
| i (deg) |
99.935932 |
| Ω (om, deg) |
34.701528 |
| ω (w, deg) |
169.184849 |
| M (ma, deg) |
0.010381 |
밝기
산란 + 전체 선형
$$
M_a = (18.467 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
18.467 |
| n |
2.000 |
| gf |
0.999 |
| gb |
-0.651 |
| k |
0.800 |
| 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) |
| 2026-02-03 00:00 |
03:25:50.58 |
-24:18:31.4 |
HIP 15952 |
17.27 |
| 2026-02-03 12:00 |
03:25:49.57 |
-24:17:43.6 |
HIP 15952 |
17.95 |
| 2026-02-04 00:00 |
03:25:48.61 |
-24:16:55.5 |
HIP 15952 |
18.64 |
| 2026-02-04 12:00 |
03:25:47.69 |
-24:16:07.4 |
HIP 15952 |
19.34 |
| 2026-02-05 00:00 |
03:25:46.81 |
-24:15:19.1 |
HIP 15952 |
20.06 |
| 2026-02-05 12:00 |
03:25:45.97 |
-24:14:30.6 |
HIP 15859 |
20.76 |
| 2026-02-06 00:00 |
03:25:45.18 |
-24:13:42.1 |
HIP 15859 |
20.74 |
| 2026-02-06 12:00 |
03:25:44.42 |
-24:12:53.4 |
HIP 15859 |
20.76 |
| 2026-02-07 00:00 |
03:25:43.71 |
-24:12:04.6 |
HIP 15859 |
20.82 |
| 2026-02-07 12:00 |
03:25:43.04 |
-24:11:15.6 |
HIP 15859 |
20.93 |
| 2026-02-08 00:00 |
03:25:42.41 |
-24:10:26.6 |
HIP 15859 |
21.07 |
| 2026-02-08 12:00 |
03:25:41.83 |
-24:09:37.4 |
HIP 15859 |
21.26 |
| 2026-02-09 00:00 |
03:25:41.29 |
-24:08:48.2 |
HIP 15859 |
21.49 |
| 2026-02-09 12:00 |
03:25:40.78 |
-24:07:58.8 |
HIP 15859 |
21.75 |
| 2026-02-10 00:00 |
03:25:40.32 |
-24:07:09.4 |
HIP 15859 |
22.06 |
| 2026-02-10 12:00 |
03:25:39.91 |
-24:06:19.8 |
HIP 15859 |
22.40 |
| 2026-02-11 00:00 |
03:25:39.53 |
-24:05:30.1 |
HIP 15859 |
22.77 |
| 2026-02-11 12:00 |
03:25:39.19 |
-24:04:40.4 |
HIP 15859 |
23.17 |
| 2026-02-12 00:00 |
03:25:38.90 |
-24:03:50.6 |
HIP 15859 |
23.61 |
| 2026-02-12 12:00 |
03:25:38.65 |
-24:03:00.7 |
HIP 15859 |
24.08 |
| 2026-02-13 00:00 |
03:25:38.44 |
-24:02:10.7 |
HIP 15859 |
24.57 |
| 2026-02-13 12:00 |
03:25:38.27 |
-24:01:20.6 |
HIP 16063 |
24.63 |
| 2026-02-14 00:00 |
03:25:38.15 |
-24:00:30.5 |
HIP 16063 |
24.07 |
| 2026-02-14 12:00 |
03:25:38.06 |
-23:59:40.2 |
HIP 16063 |
23.52 |
| 2026-02-15 00:00 |
03:25:38.02 |
-23:58:50.0 |
HIP 16063 |
22.97 |
| 2026-02-15 12:00 |
03:25:38.02 |
-23:57:59.6 |
HIP 16063 |
22.43 |
| 2026-02-16 00:00 |
03:25:38.06 |
-23:57:09.2 |
HIP 16063 |
21.91 |
| 2026-02-16 12:00 |
03:25:38.14 |
-23:56:18.8 |
HIP 16063 |
21.40 |
| 2026-02-17 00:00 |
03:25:38.26 |
-23:55:28.3 |
HIP 16063 |
20.90 |
| 2026-02-17 12:00 |
03:25:38.43 |
-23:54:37.8 |
HIP 16063 |
20.41 |
| 2026-02-18 00:00 |
03:25:38.63 |
-23:53:47.2 |
HIP 16063 |
19.94 |
| 2026-02-18 12:00 |
03:25:38.88 |
-23:52:56.5 |
HIP 16063 |
19.49 |
| 2026-02-19 00:00 |
03:25:39.16 |
-23:52:05.9 |
HIP 16063 |
19.05 |
| 2026-02-19 12:00 |
03:25:39.49 |
-23:51:15.2 |
HIP 16063 |
18.63 |
| 2026-02-20 00:00 |
03:25:39.86 |
-23:50:24.5 |
HIP 16063 |
18.24 |
| 2026-02-20 12:00 |
03:25:40.27 |
-23:49:33.7 |
HIP 16063 |
17.87 |
| 2026-02-21 00:00 |
03:25:40.72 |
-23:48:43.0 |
HIP 16063 |
17.52 |
| 2026-02-21 12:00 |
03:25:41.21 |
-23:47:52.2 |
HIP 16063 |
17.19 |
| 2026-02-22 00:00 |
03:25:41.74 |
-23:47:01.4 |
HIP 16063 |
16.90 |
| 2026-02-22 12:00 |
03:25:42.31 |
-23:46:10.6 |
HIP 16063 |
16.64 |
| 2026-02-23 00:00 |
03:25:42.92 |
-23:45:19.8 |
HIP 16063 |
16.40 |
| 2026-02-23 12:00 |
03:25:43.57 |
-23:44:29.0 |
HIP 16063 |
16.20 |
| 2026-02-24 00:00 |
03:25:44.26 |
-23:43:38.2 |
HIP 16063 |
16.04 |