C/1962 H1 (Honda)

메타데이터

항목 값
Designation C/1962 H1 (Honda)
Type C
Perihelion (tp_cal, UTC) 1962-04-20T04:45:37.388160Z
Orbit solution date (soln_date, UTC) 2021-04-15T23:29:16Z
Obs used 11
NEO -
M1 -
K1 -
PC 0.030
Osculating 궤도요소
항목 값
Epoch (epoch_cal, TDB) 1962-05-12.0000000
e 1.00000000
q (au) 0.653085
a (au) -
i (deg) 72.872963
Ω (om, deg) 79.819214
ω (w, deg) 72.139524
M (ma, deg) -

밝기

C/1962 H1 (Honda) · Magnitude (Full range)

산란 + 전체 선형

$$ M_a = (10.001 + 5.008\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta $$ $$ \theta = 180^\circ - \alpha $$ $$ \Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b) $$ $$ \Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1 $$

모델 상수

항목 값
H0 10.001
n 5.008
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)
2026-09-20 00:00 21:30:54.81 -78:05:44.7 HIP 106057 10.22
2026-09-20 12:00 21:30:50.08 -78:05:36.2 HIP 106057 9.96
2026-09-21 00:00 21:30:45.39 -78:05:27.5 HIP 106057 9.70
2026-09-21 12:00 21:30:40.74 -78:05:18.8 HIP 106057 9.44
2026-09-22 00:00 21:30:36.12 -78:05:09.9 HIP 106057 9.18
2026-09-22 12:00 21:30:31.53 -78:05:00.8 HIP 106057 8.92
2026-09-23 00:00 21:30:26.98 -78:04:51.7 HIP 106057 8.66
2026-09-23 12:00 21:30:22.47 -78:04:42.4 HIP 106057 8.40
2026-09-24 00:00 21:30:17.99 -78:04:32.9 HIP 106057 8.14
2026-09-24 12:00 21:30:13.54 -78:04:23.4 HIP 106057 7.89
2026-09-25 00:00 21:30:09.14 -78:04:13.6 HIP 106057 7.63
2026-09-25 12:00 21:30:04.77 -78:04:03.8 HIP 106057 7.37
2026-09-26 00:00 21:30:00.43 -78:03:53.8 HIP 106057 7.12
2026-09-26 12:00 21:29:56.14 -78:03:43.7 HIP 106057 6.87
2026-09-27 00:00 21:29:51.88 -78:03:33.5 HIP 106057 6.61
2026-09-27 12:00 21:29:47.66 -78:03:23.2 HIP 106057 6.36
2026-09-28 00:00 21:29:43.48 -78:03:12.7 HIP 106057 6.11
2026-09-28 12:00 21:29:39.34 -78:03:02.1 HIP 106057 5.86
2026-09-29 00:00 21:29:35.23 -78:02:51.3 HIP 106057 5.61
2026-09-29 12:00 21:29:31.17 -78:02:40.5 HIP 106057 5.37
2026-09-30 00:00 21:29:27.14 -78:02:29.5 HIP 106057 5.12
2026-09-30 12:00 21:29:23.16 -78:02:18.4 HIP 106057 4.88
2026-10-01 00:00 21:29:19.21 -78:02:07.1 HIP 106057 4.64
2026-10-01 12:00 21:29:15.31 -78:01:55.8 HIP 106057 4.40
2026-10-02 00:00 21:29:11.45 -78:01:44.3 HIP 106057 4.17
2026-10-02 12:00 21:29:07.62 -78:01:32.7 HIP 106057 3.94
2026-10-03 00:00 21:29:03.84 -78:01:21.0 HIP 106057 3.72
2026-10-03 12:00 21:29:00.11 -78:01:09.1 HIP 106057 3.50
2026-10-04 00:00 21:28:56.41 -78:00:57.2 HIP 106057 3.29
2026-10-04 12:00 21:28:52.75 -78:00:45.1 HIP 106057 3.09
2026-10-05 00:00 21:28:49.14 -78:00:32.9 HIP 106057 2.89
2026-10-05 12:00 21:28:45.58 -78:00:20.6 HIP 106057 2.71
2026-10-06 00:00 21:28:42.05 -78:00:08.2 HIP 106057 2.55
2026-10-06 12:00 21:28:38.57 -77:59:55.7 HIP 106057 2.40
2026-10-07 00:00 21:28:35.13 -77:59:43.0 HIP 106057 2.27
2026-10-07 12:00 21:28:31.74 -77:59:30.3 HIP 106057 2.17
2026-10-08 00:00 21:28:28.39 -77:59:17.4 HIP 106057 2.10
2026-10-08 12:00 21:28:25.09 -77:59:04.4 HIP 106057 2.06
2026-10-09 00:00 21:28:21.83 -77:58:51.3 HIP 106057 2.06
2026-10-09 12:00 21:28:18.61 -77:58:38.1 HIP 106057 2.09
2026-10-10 00:00 21:28:15.45 -77:58:24.8 HIP 106057 2.15
2026-10-10 12:00 21:28:12.33 -77:58:11.4 HIP 106057 2.24
2026-10-11 00:00 21:28:09.25 -77:57:57.9 HIP 106057 2.36