Comet Archive

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355P/LINEAR-NEAT

메타데이터

항목
Designation 355P/LINEAR-NEAT
Type P
Perihelion (tp_cal, UTC) 2011-04-24T14:28:48.817920Z
Orbit solution date (soln_date, UTC) 2023-02-13T23:14:08Z
Obs used 962
NEO -
M1 12.900
K1 17.250
PC 0.030
Osculating 궤도요소
항목
Epoch (epoch_cal, TDB) 2011-04-16.0000000
e 0.50812349
q (au) 1.707731
a (au) 3.471870
i (deg) 11.044216
Ω (om, deg) 51.441541
ω (w, deg) 336.401134
M (ma, deg) 358.689231

밝기

355P/LINEAR-NEAT · Magnitude (Full range)

산란 + 전체 선형

$$ M_a = (17.405 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta $$ $$ \theta = 180^\circ - \alpha $$ $$ \Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b) $$ $$ \Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1 $$

모델 상수

항목
H0 17.405
n 2.000
gf 1.000
gb -0.635
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 12:38:50.24 +07:30:34.1 HIP 61754 8.94
2026-02-03 12:00 12:38:42.84 +07:32:10.1 HIP 61754 10.14
2026-02-04 00:00 12:38:35.22 +07:33:47.1 HIP 61754 11.79
2026-02-04 12:00 12:38:27.36 +07:35:25.1 HIP 61754 13.75
2026-02-05 00:00 12:38:19.29 +07:37:04.2 HIP 61754 15.94
2026-02-05 12:00 12:38:10.99 +07:38:44.3 HIP 61754 18.29
2026-02-06 00:00 12:38:02.46 +07:40:25.4 HIP 61754 20.77
2026-02-06 12:00 12:37:53.71 +07:42:07.6 HIP 61561 21.21
2026-02-07 00:00 12:37:44.73 +07:43:50.7 HIP 61561 18.41
2026-02-07 12:00 12:37:35.53 +07:45:34.8 HIP 61561 15.55
2026-02-08 00:00 12:37:26.11 +07:47:19.9 HIP 61561 12.65
2026-02-08 12:00 12:37:16.47 +07:49:05.8 HIP 61561 9.71
2026-02-09 00:00 12:37:06.61 +07:50:52.8 HIP 61561 6.74
2026-02-09 12:00 12:36:56.53 +07:52:40.6 HIP 61561 3.82
2026-02-10 00:00 12:36:46.23 +07:54:29.3 HIP 61561 1.64
2026-02-10 12:00 12:36:35.71 +07:56:18.9 HIP 61561 3.28
2026-02-11 00:00 12:36:24.98 +07:58:09.4 HIP 61561 6.30
2026-02-11 12:00 12:36:14.03 +08:00:00.7 HIP 61561 9.52
2026-02-12 00:00 12:36:02.86 +08:01:52.8 HIP 61561 12.82
2026-02-12 12:00 12:35:51.49 +08:03:45.7 HIP 61561 16.19
2026-02-13 00:00 12:35:39.90 +08:05:39.4 HIP 61561 19.62
2026-02-13 12:00 12:35:28.10 +08:07:33.9 HIP 61561 23.10
2026-02-14 00:00 12:35:16.10 +08:09:29.1 HIP 61376 25.73
2026-02-14 12:00 12:35:03.88 +08:11:25.1 HIP 61376 22.98
2026-02-15 00:00 12:34:51.46 +08:13:21.7 HIP 61376 20.48
2026-02-15 12:00 12:34:38.84 +08:15:19.0 HIP 61376 18.34
2026-02-16 00:00 12:34:26.01 +08:17:17.0 HIP 61376 16.76
2026-02-16 12:00 12:34:12.99 +08:19:15.7 HIP 61376 15.92
2026-02-17 00:00 12:33:59.76 +08:21:14.9 HIP 61331 14.18
2026-02-17 12:00 12:33:46.34 +08:23:14.8 HIP 61331 12.68
2026-02-18 00:00 12:33:32.72 +08:25:15.2 HIP 61331 12.28
2026-02-18 12:00 12:33:18.91 +08:27:16.2 HIP 61331 13.13
2026-02-19 00:00 12:33:04.90 +08:29:17.7 HIP 61331 15.05
2026-02-19 12:00 12:32:50.71 +08:31:19.7 HIP 61331 17.73
2026-02-20 00:00 12:32:36.33 +08:33:22.2 HIP 61331 20.91
2026-02-20 12:00 12:32:21.77 +08:35:25.2 HIP 61094 20.96
2026-02-21 00:00 12:32:07.02 +08:37:28.6 HIP 61094 16.85
2026-02-21 12:00 12:31:52.09 +08:39:32.4 HIP 61094 12.76
2026-02-22 00:00 12:31:36.99 +08:41:36.6 HIP 61094 8.77
2026-02-22 12:00 12:31:21.71 +08:43:41.1 HIP 61094 5.21
2026-02-23 00:00 12:31:06.25 +08:45:46.0 HIP 61094 3.83
2026-02-23 12:00 12:30:50.63 +08:47:51.2 HIP 61094 6.37
2026-02-24 00:00 12:30:34.84 +08:49:56.7 HIP 61094 10.29