267P/LONEOS

메타데이터

항목
Designation 267P/LONEOS
Type P
Perihelion (tp_cal, UTC) 2006-09-02T22:24:46.506240Z
Orbit solution date (soln_date, UTC) 2021-04-15T23:28:10Z
Obs used 197
NEO -
M1 20.500
K1 4.500
PC -
Osculating 궤도요소
항목
Epoch (epoch_cal, TDB) 2007-09-25.0000000
e 0.59338984
q (au) 1.337651
a (au) 3.289763
i (deg) 5.368342
Ω (om, deg) 245.248897
ω (w, deg) 96.855091
M (ma, deg) 63.935532

밝기

267P/LONEOS · Magnitude (Full range)

산란 + 전체 선형

$$ M_a = (19.505 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta $$ $$ \theta = 180^\circ - \alpha $$ $$ \Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b) $$ $$ \Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1 $$

모델 상수

항목
H0 19.505
n 6.000
gf 0.992
gb -0.846
k 0.977
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)
2026-06-01 00:00 09:09:18.42 +10:25:10.6 HIP 44991 8.79
2026-06-01 12:00 09:09:34.25 +10:24:30.2 HIP 44991 6.22
2026-06-02 00:00 09:09:50.20 +10:23:49.0 HIP 44991 5.62
2026-06-02 12:00 09:10:06.25 +10:23:07.0 HIP 44991 7.52
2026-06-03 00:00 09:10:22.42 +10:22:24.2 HIP 44991 10.69
2026-06-03 12:00 09:10:38.69 +10:21:40.7 HIP 44991 14.33
2026-06-04 00:00 09:10:55.08 +10:20:56.3 HIP 44991 18.19
2026-06-04 12:00 09:11:11.57 +10:20:11.3 HIP 44991 22.16
2026-06-05 00:00 09:11:28.17 +10:19:25.4 HIP 44991 26.21
2026-06-05 12:00 09:11:44.88 +10:18:38.8 HIP 45255 24.36
2026-06-06 00:00 09:12:01.68 +10:17:51.5 HIP 45255 20.23
2026-06-06 12:00 09:12:18.60 +10:17:03.3 HIP 45255 16.12
2026-06-07 00:00 09:12:35.62 +10:16:14.5 HIP 45255 12.07
2026-06-07 12:00 09:12:52.73 +10:15:24.8 HIP 45255 8.22
2026-06-08 00:00 09:13:09.95 +10:14:34.4 HIP 45255 5.12
2026-06-08 12:00 09:13:27.28 +10:13:43.3 HIP 45255 4.72
2026-06-09 00:00 09:13:44.70 +10:12:51.4 HIP 45255 7.52
2026-06-09 12:00 09:14:02.21 +10:11:58.8 HIP 45255 11.39
2026-06-10 00:00 09:14:19.83 +10:11:05.4 HIP 45255 15.56
2026-06-10 12:00 09:14:37.55 +10:10:11.3 HIP 45255 19.88
2026-06-11 00:00 09:14:55.35 +10:09:16.5 HIP 45453 18.74
2026-06-11 12:00 09:15:13.26 +10:08:20.9 HIP 45453 16.68
2026-06-12 00:00 09:15:31.26 +10:07:24.6 HIP 45453 15.69
2026-06-12 12:00 09:15:49.35 +10:06:27.6 HIP 45453 15.98
2026-06-13 00:00 09:16:07.54 +10:05:29.8 HIP 45453 17.51
2026-06-13 12:00 09:16:25.81 +10:04:31.3 HIP 45453 20.01
2026-06-14 00:00 09:16:44.18 +10:03:32.1 HIP 45453 23.19
2026-06-14 12:00 09:17:02.64 +10:02:32.1 HIP 45453 26.82
2026-06-15 00:00 09:17:21.18 +10:01:31.5 HIP 45453 30.75
2026-06-15 12:00 09:17:39.82 +10:00:30.1 HIP 45740 30.25
2026-06-16 00:00 09:17:58.54 +09:59:28.0 HIP 45740 25.67
2026-06-16 12:00 09:18:17.34 +09:58:25.2 HIP 45740 21.13
2026-06-17 00:00 09:18:36.23 +09:57:21.7 HIP 45740 16.68
2026-06-17 12:00 09:18:55.20 +09:56:17.5 HIP 45740 12.44
2026-06-18 00:00 09:19:14.26 +09:55:12.6 HIP 45740 8.77
2026-06-18 12:00 09:19:33.40 +09:54:07.0 HIP 45740 6.75
2026-06-19 00:00 09:19:52.62 +09:53:00.8 HIP 45740 7.81
2026-06-19 12:00 09:20:11.91 +09:51:53.8 HIP 45740 11.13
2026-06-20 00:00 09:20:31.29 +09:50:46.1 HIP 45740 15.33
2026-06-20 12:00 09:20:50.74 +09:49:37.8 HIP 45740 19.88
2026-06-21 00:00 09:21:10.27 +09:48:28.8 HIP 45740 24.59
2026-06-21 12:00 09:21:29.88 +09:47:19.2 HIP 45740 29.40
2026-06-22 00:00 09:21:49.56 +09:46:08.8 HIP 45740 34.27