10P/Tempel 2

메타데이터

항목
Designation 10P/Tempel 2
Type P
Perihelion (tp_cal, UTC) 2015-11-14T09:27:49.507200Z
Orbit solution date (soln_date, UTC) 2026-05-11T09:02:37Z
Obs used 4979
NEO -
M1 14.700
K1 4.500
PC -
Osculating 궤도요소
항목
Epoch (epoch_cal, TDB) 2014-05-23.0000000
e 0.53698315
q (au) 1.418763
a (au) 3.064171
i (deg) 12.029245
Ω (om, deg) 117.808733
ω (w, deg) 195.524160
M (ma, deg) 260.700881

밝기

10P/Tempel 2 · Magnitude (Full range)

산란 + 전체 선형

$$ M_a = (14.025 + 2.720\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta $$ $$ \theta = 180^\circ - \alpha $$ $$ \Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b) $$ $$ \Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1 $$

모델 상수

항목
H0 14.025
n 2.720
gf 1.000
gb -0.810
k 0.988
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

잔차 (구간 선형)

$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$

시작일 (UTC) 끝 (UTC) a b
2023-12-15 2026-04-07 +37.8378 -9.051
2026-04-07 2026-02-25 -4.1469 +1.595
2026-02-25 2026-05-18 -1.0593 +0.455

log10 r = log10(태양거리/AU), Δ = 지구거리(AU)

찾아보기

10P/Tempel 2 · Next 30 Days

천체력

Date/Time (UTC) RA (J2000) Dec (J2000) Nearest HIP Dist from HIP (arcmin)
2026-05-12 00:00 19:32:58.96 -08:24:03.8 HIP 96147 24.27
2026-05-12 12:00 19:33:55.96 -08:22:56.4 HIP 96147 27.34
2026-05-13 00:00 19:34:52.92 -08:21:50.8 HIP 96147 36.16
2026-05-13 12:00 19:35:49.84 -08:20:47.0 HIP 96147 47.62
2026-05-14 00:00 19:36:46.72 -08:19:45.1 HIP 96654 34.83
2026-05-14 12:00 19:37:43.55 -08:18:45.2 HIP 96654 21.56
2026-05-15 00:00 19:38:40.35 -08:17:47.3 HIP 96654 10.68
2026-05-15 12:00 19:39:37.10 -08:16:51.4 HIP 96654 12.59
2026-05-16 00:00 19:40:33.81 -08:15:57.8 HIP 96754 18.59
2026-05-16 12:00 19:41:30.47 -08:15:06.3 HIP 96883 22.70
2026-05-17 00:00 19:42:27.09 -08:14:17.1 HIP 97016 9.86
2026-05-17 12:00 19:43:23.67 -08:13:30.3 HIP 97016 7.06
2026-05-18 00:00 19:44:20.21 -08:12:45.9 HIP 97022 19.44
2026-05-18 12:00 19:45:16.70 -08:12:04.0 HIP 97173 26.31
2026-05-19 00:00 19:46:13.15 -08:11:24.6 HIP 97350 13.77
2026-05-19 12:00 19:47:09.56 -08:10:47.8 HIP 97350 1.67
2026-05-20 00:00 19:48:05.92 -08:10:13.7 HIP 97488 13.90
2026-05-20 12:00 19:49:02.25 -08:09:42.3 HIP 97488 7.76
2026-05-21 00:00 19:49:58.53 -08:09:13.8 HIP 97488 17.79
2026-05-21 12:00 19:50:54.77 -08:08:48.1 HIP 97600 28.98
2026-05-22 00:00 19:51:50.97 -08:08:25.4 HIP 97600 36.39
2026-05-22 12:00 19:52:47.14 -08:08:05.6 HIP 97966 27.90
2026-05-23 00:00 19:53:43.26 -08:07:48.9 HIP 97966 14.66
2026-05-23 12:00 19:54:39.35 -08:07:35.4 HIP 97966 6.06
2026-05-24 00:00 19:55:35.40 -08:07:25.1 HIP 97966 15.58
2026-05-24 12:00 19:56:31.40 -08:07:18.0 HIP 98029 27.06
2026-05-25 00:00 19:57:27.37 -08:07:14.3 HIP 98387 29.06
2026-05-25 12:00 19:58:23.30 -08:07:14.0 HIP 98387 15.27
2026-05-26 00:00 19:59:19.20 -08:07:17.2 HIP 98387 2.33
2026-05-26 12:00 20:00:15.05 -08:07:23.9 HIP 98387 12.67
2026-05-27 00:00 20:01:10.87 -08:07:34.3 HIP 98387 26.41
2026-05-27 12:00 20:02:06.64 -08:07:48.4 HIP 98720 29.57
2026-05-28 00:00 20:03:02.38 -08:08:06.2 HIP 98720 26.27
2026-05-28 12:00 20:03:58.08 -08:08:27.9 HIP 98930 18.90
2026-05-29 00:00 20:04:53.73 -08:08:53.5 HIP 98930 5.62
2026-05-29 12:00 20:05:49.35 -08:09:23.1 HIP 98930 9.27
2026-05-30 00:00 20:06:44.92 -08:09:56.8 HIP 99094 4.73
2026-05-30 12:00 20:07:40.46 -08:10:34.6 HIP 99094 9.12
2026-05-31 00:00 20:08:35.94 -08:11:16.7 HIP 99311 19.49
2026-05-31 12:00 20:09:31.39 -08:12:03.1 HIP 99311 12.82
2026-06-01 00:00 20:10:26.79 -08:12:53.9 HIP 99311 18.00
2026-06-01 12:00 20:11:22.15 -08:13:49.2 HIP 99558 15.55
2026-06-02 00:00 20:12:17.45 -08:14:49.1 HIP 99558 9.30