Comet Archive

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C/2004 RG113 (LINEAR)

메타데이터

항목
Designation C/2004 RG113 (LINEAR)
Type C
Perihelion (tp_cal, UTC) 2005-03-03T17:13:10.678080Z
Orbit solution date (soln_date, UTC) 2021-04-15T23:30:43Z
Obs used 414
NEO -
M1 13.900
K1 8.000
PC 0.030
Osculating 궤도요소
항목
Epoch (epoch_cal, TDB) 2005-02-11.0000000
e 0.99722336
q (au) 1.942358
a (au) 699.536709
i (deg) 21.618236
Ω (om, deg) 8.772958
ω (w, deg) 125.305509
M (ma, deg) 359.998896

밝기

C/2004 RG113 (LINEAR) · Magnitude (Full range)

산란 + 전체 선형

$$ M_a = (9.533 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta $$ $$ \theta = 180^\circ - \alpha $$ $$ \Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b) $$ $$ \Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1 $$

모델 상수

항목
H0 9.533
n 6.000
gf 1.000
gb -1.000
k 0.999
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 19:44:49.63 -42:15:39.9 HIP 97205 11.41
2026-02-03 12:00 19:44:53.46 -42:15:37.9 HIP 97205 11.02
2026-02-04 00:00 19:44:57.28 -42:15:36.0 HIP 97205 10.66
2026-02-04 12:00 19:45:01.09 -42:15:34.2 HIP 97205 10.35
2026-02-05 00:00 19:45:04.89 -42:15:32.5 HIP 97205 10.07
2026-02-05 12:00 19:45:08.68 -42:15:31.0 HIP 97205 9.85
2026-02-06 00:00 19:45:12.46 -42:15:29.7 HIP 97205 9.67
2026-02-06 12:00 19:45:16.22 -42:15:28.5 HIP 97205 9.54
2026-02-07 00:00 19:45:19.97 -42:15:27.4 HIP 97205 9.46
2026-02-07 12:00 19:45:23.71 -42:15:26.5 HIP 97205 9.44
2026-02-08 00:00 19:45:27.43 -42:15:25.7 HIP 97205 9.47
2026-02-08 12:00 19:45:31.14 -42:15:25.0 HIP 97205 9.55
2026-02-09 00:00 19:45:34.84 -42:15:24.5 HIP 97205 9.68
2026-02-09 12:00 19:45:38.52 -42:15:24.2 HIP 97205 9.86
2026-02-10 00:00 19:45:42.19 -42:15:24.0 HIP 97205 10.08
2026-02-10 12:00 19:45:45.84 -42:15:23.9 HIP 97205 10.35
2026-02-11 00:00 19:45:49.48 -42:15:24.0 HIP 97205 10.65
2026-02-11 12:00 19:45:53.11 -42:15:24.2 HIP 97205 10.99
2026-02-12 00:00 19:45:56.72 -42:15:24.6 HIP 97205 11.35
2026-02-12 12:00 19:46:00.31 -42:15:25.1 HIP 97205 11.74
2026-02-13 00:00 19:46:03.89 -42:15:25.7 HIP 97205 12.16
2026-02-13 12:00 19:46:07.45 -42:15:26.5 HIP 97205 12.60
2026-02-14 00:00 19:46:11.00 -42:15:27.4 HIP 97205 13.05
2026-02-14 12:00 19:46:14.53 -42:15:28.5 HIP 97205 13.53
2026-02-15 00:00 19:46:18.04 -42:15:29.7 HIP 97205 14.01
2026-02-15 12:00 19:46:21.54 -42:15:31.1 HIP 97205 14.51
2026-02-16 00:00 19:46:25.01 -42:15:32.6 HIP 97205 15.02
2026-02-16 12:00 19:46:28.47 -42:15:34.3 HIP 97205 15.54
2026-02-17 00:00 19:46:31.92 -42:15:36.1 HIP 97205 16.06
2026-02-17 12:00 19:46:35.34 -42:15:38.0 HIP 97205 16.59
2026-02-18 00:00 19:46:38.75 -42:15:40.1 HIP 97205 17.13
2026-02-18 12:00 19:46:42.14 -42:15:42.3 HIP 97205 17.67
2026-02-19 00:00 19:46:45.51 -42:15:44.7 HIP 97205 18.22
2026-02-19 12:00 19:46:48.86 -42:15:47.2 HIP 97394 18.09
2026-02-20 00:00 19:46:52.19 -42:15:49.8 HIP 97394 17.81
2026-02-20 12:00 19:46:55.50 -42:15:52.6 HIP 97394 17.55
2026-02-21 00:00 19:46:58.79 -42:15:55.6 HIP 97394 17.32
2026-02-21 12:00 19:47:02.06 -42:15:58.7 HIP 97394 17.10
2026-02-22 00:00 19:47:05.32 -42:16:01.9 HIP 97394 16.91
2026-02-22 12:00 19:47:08.55 -42:16:05.3 HIP 97394 16.74
2026-02-23 00:00 19:47:11.76 -42:16:08.8 HIP 97394 16.59
2026-02-23 12:00 19:47:14.95 -42:16:12.4 HIP 97394 16.47
2026-02-24 00:00 19:47:18.12 -42:16:16.2 HIP 97394 16.37