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C/2006 CK10 (Catalina)

메타데이터

항목
Designation C/2006 CK10 (Catalina)
Type C
Perihelion (tp_cal, UTC) 2006-07-03T06:42:20.756160Z
Orbit solution date (soln_date, UTC) 2021-04-15T23:30:56Z
Obs used 321
NEO -
M1 15.100
K1 4.500
PC -
Osculating 궤도요소
항목
Epoch (epoch_cal, TDB) 2006-05-25.0000000
e 0.99190031
q (au) 1.752169
a (au) 216.325607
i (deg) 144.262762
Ω (om, deg) 243.809967
ω (w, deg) 143.456329
M (ma, deg) 359.987832

밝기

C/2006 CK10 (Catalina) · Magnitude (Full range)

산란 + 전체 선형

$$ M_a = (H_0 + n\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta $$ $$ \theta = 180^\circ - \alpha $$ $$ \Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b) $$ $$ \Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1 $$

모델 상수

항목
H0 -
n -
gf -
gb -
k -
δ90 -
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 20:39:54.46 -49:13:21.5 HIP 101905 10.68
2026-02-03 12:00 20:39:58.75 -49:13:14.0 HIP 101905 11.31
2026-02-04 00:00 20:40:03.03 -49:13:06.7 HIP 101905 11.95
2026-02-04 12:00 20:40:07.30 -49:12:59.5 HIP 101905 12.60
2026-02-05 00:00 20:40:11.57 -49:12:52.6 HIP 101905 13.25
2026-02-05 12:00 20:40:15.83 -49:12:45.9 HIP 101905 13.90
2026-02-06 00:00 20:40:20.09 -49:12:39.4 HIP 101913 14.49
2026-02-06 12:00 20:40:24.34 -49:12:33.1 HIP 101913 15.01
2026-02-07 00:00 20:40:28.58 -49:12:27.0 HIP 101913 15.55
2026-02-07 12:00 20:40:32.82 -49:12:21.1 HIP 101913 16.11
2026-02-08 00:00 20:40:37.05 -49:12:15.4 HIP 101913 16.67
2026-02-08 12:00 20:40:41.27 -49:12:10.0 HIP 101913 17.25
2026-02-09 00:00 20:40:45.49 -49:12:04.7 HIP 101913 17.83
2026-02-09 12:00 20:40:49.69 -49:11:59.6 HIP 101913 18.42
2026-02-10 00:00 20:40:53.89 -49:11:54.8 HIP 101913 19.02
2026-02-10 12:00 20:40:58.08 -49:11:50.2 HIP 101913 19.63
2026-02-11 00:00 20:41:02.26 -49:11:45.7 HIP 101913 20.24
2026-02-11 12:00 20:41:06.43 -49:11:41.5 HIP 101913 20.85
2026-02-12 00:00 20:41:10.59 -49:11:37.5 HIP 101913 21.47
2026-02-12 12:00 20:41:14.74 -49:11:33.7 HIP 101913 22.09
2026-02-13 00:00 20:41:18.88 -49:11:30.1 HIP 101913 22.72
2026-02-13 12:00 20:41:23.01 -49:11:26.8 HIP 101913 23.35
2026-02-14 00:00 20:41:27.13 -49:11:23.6 HIP 101913 23.98
2026-02-14 12:00 20:41:31.24 -49:11:20.7 HIP 101913 24.61
2026-02-15 00:00 20:41:35.33 -49:11:18.0 HIP 102163 24.72
2026-02-15 12:00 20:41:39.42 -49:11:15.5 HIP 102163 24.56
2026-02-16 00:00 20:41:43.49 -49:11:13.2 HIP 102163 24.43
2026-02-16 12:00 20:41:47.55 -49:11:11.1 HIP 102163 24.31
2026-02-17 00:00 20:41:51.59 -49:11:09.2 HIP 102349 24.13
2026-02-17 12:00 20:41:55.63 -49:11:07.6 HIP 102349 23.48
2026-02-18 00:00 20:41:59.65 -49:11:06.2 HIP 102349 22.84
2026-02-18 12:00 20:42:03.65 -49:11:04.9 HIP 102349 22.20
2026-02-19 00:00 20:42:07.64 -49:11:03.9 HIP 102349 21.57
2026-02-19 12:00 20:42:11.62 -49:11:03.2 HIP 102349 20.94
2026-02-20 00:00 20:42:15.58 -49:11:02.6 HIP 102349 20.32
2026-02-20 12:00 20:42:19.53 -49:11:02.2 HIP 102349 19.70
2026-02-21 00:00 20:42:23.46 -49:11:02.1 HIP 102349 19.09
2026-02-21 12:00 20:42:27.38 -49:11:02.2 HIP 102349 18.48
2026-02-22 00:00 20:42:31.28 -49:11:02.5 HIP 102349 17.87
2026-02-22 12:00 20:42:35.16 -49:11:03.0 HIP 102349 17.28
2026-02-23 00:00 20:42:39.03 -49:11:03.7 HIP 102349 16.69
2026-02-23 12:00 20:42:42.88 -49:11:04.7 HIP 102349 16.11
2026-02-24 00:00 20:42:46.71 -49:11:05.9 HIP 102349 15.53