Comet Archive

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C/2015 R3 (PANSTARRS)

메타데이터

항목
Designation C/2015 R3 (PANSTARRS)
Type C
Perihelion (tp_cal, UTC) 2014-02-11T21:36:17.124480Z
Orbit solution date (soln_date, UTC) 2022-07-06T03:12:21Z
Obs used 41
NEO -
M1 8.600
K1 10.750
PC 0.030
Osculating 궤도요소
항목
Epoch (epoch_cal, TDB) 2015-07-26.0000000
e 0.99867972
q (au) 4.902904
a (au) 3713.532087
i (deg) 83.610000
Ω (om, deg) 36.413320
ω (w, deg) 272.016706
M (ma, deg) 0.002304

밝기

C/2015 R3 (PANSTARRS) · Magnitude (Full range)

산란 + 전체 선형

$$ M_a = (9.213 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta $$ $$ \theta = 180^\circ - \alpha $$ $$ \Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b) $$ $$ \Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1 $$

모델 상수

항목
H0 9.213
n 6.000
gf 1.000
gb -0.837
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 01:10:39.22 +50:58:26.3 HIP 5512 2.48
2026-02-03 12:00 01:10:41.79 +50:57:58.3 HIP 5512 3.06
2026-02-04 00:00 01:10:44.41 +50:57:30.7 HIP 5512 3.65
2026-02-04 12:00 01:10:47.08 +50:57:03.5 HIP 5512 4.24
2026-02-05 00:00 01:10:49.80 +50:56:36.6 HIP 5512 4.84
2026-02-05 12:00 01:10:52.57 +50:56:10.1 HIP 5512 5.45
2026-02-06 00:00 01:10:55.39 +50:55:43.9 HIP 5512 6.06
2026-02-06 12:00 01:10:58.26 +50:55:18.1 HIP 5512 6.67
2026-02-07 00:00 01:11:01.19 +50:54:52.6 HIP 5512 7.28
2026-02-07 12:00 01:11:04.16 +50:54:27.5 HIP 5512 7.89
2026-02-08 00:00 01:11:07.18 +50:54:02.8 HIP 5512 8.51
2026-02-08 12:00 01:11:10.26 +50:53:38.4 HIP 5512 9.12
2026-02-09 00:00 01:11:13.38 +50:53:14.4 HIP 5512 9.74
2026-02-09 12:00 01:11:16.55 +50:52:50.8 HIP 5512 10.37
2026-02-10 00:00 01:11:19.76 +50:52:27.5 HIP 5512 10.99
2026-02-10 12:00 01:11:23.03 +50:52:04.7 HIP 5512 11.62
2026-02-11 00:00 01:11:26.34 +50:51:42.1 HIP 5512 12.24
2026-02-11 12:00 01:11:29.71 +50:51:20.0 HIP 5512 12.87
2026-02-12 00:00 01:11:33.11 +50:50:58.3 HIP 5512 13.51
2026-02-12 12:00 01:11:36.57 +50:50:36.9 HIP 5512 14.14
2026-02-13 00:00 01:11:40.07 +50:50:15.9 HIP 5512 14.78
2026-02-13 12:00 01:11:43.62 +50:49:55.3 HIP 5512 15.41
2026-02-14 00:00 01:11:47.21 +50:49:35.0 HIP 5512 16.05
2026-02-14 12:00 01:11:50.85 +50:49:15.2 HIP 5512 16.70
2026-02-15 00:00 01:11:54.54 +50:48:55.7 HIP 5512 17.34
2026-02-15 12:00 01:11:58.26 +50:48:36.7 HIP 5512 17.99
2026-02-16 00:00 01:12:02.04 +50:48:18.0 HIP 5512 18.64
2026-02-16 12:00 01:12:05.86 +50:47:59.7 HIP 5710 19.02
2026-02-17 00:00 01:12:09.72 +50:47:41.8 HIP 5710 18.84
2026-02-17 12:00 01:12:13.62 +50:47:24.3 HIP 5710 18.68
2026-02-18 00:00 01:12:17.57 +50:47:07.2 HIP 5710 18.53
2026-02-18 12:00 01:12:21.56 +50:46:50.5 HIP 5710 18.40
2026-02-19 00:00 01:12:25.59 +50:46:34.2 HIP 5710 18.28
2026-02-19 12:00 01:12:29.67 +50:46:18.3 HIP 5710 18.17
2026-02-20 00:00 01:12:33.78 +50:46:02.8 HIP 5710 18.09
2026-02-20 12:00 01:12:37.94 +50:45:47.8 HIP 5710 18.02
2026-02-21 00:00 01:12:42.14 +50:45:33.1 HIP 5710 17.97
2026-02-21 12:00 01:12:46.37 +50:45:18.8 HIP 5710 17.94
2026-02-22 00:00 01:12:50.65 +50:45:04.9 HIP 5710 17.93
2026-02-22 12:00 01:12:54.97 +50:44:51.4 HIP 5710 17.94
2026-02-23 00:00 01:12:59.32 +50:44:38.3 HIP 5710 17.97
2026-02-23 12:00 01:13:03.72 +50:44:25.7 HIP 5710 18.02
2026-02-24 00:00 01:13:08.15 +50:44:13.4 HIP 5710 18.09