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C/2024 V1 (Borisov)

메타데이터

항목
Designation C/2024 V1 (Borisov)
Type C
Perihelion (tp_cal, UTC) 2025-04-04T02:28:15.268800Z
Orbit solution date (soln_date, UTC) 2025-06-26T10:13:10Z
Obs used 422
NEO -
M1 13.600
K1 9.250
PC -
Discovery observation (MPC, UTC) 2024-11-08T01:11:04.704000Z
Discovery magnitude (MPC) 19.30 G
Discovery observatory (MPC) L51 · MARGO, Nauchnyi
Osculating 궤도요소
항목
Epoch (epoch_cal, TDB) 2025-02-14.0000000
e 0.99016034
q (au) 2.318468
a (au) 235.624767
i (deg) 54.623265
Ω (om, deg) 328.195162
ω (w, deg) 168.663803
M (ma, deg) 359.986619

밝기

C/2024 V1 (Borisov) · Magnitude (Full range)

산란 + 전체 선형

$$ M_a = (14.076 + 4.289\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta $$ $$ \theta = 180^\circ - \alpha $$ $$ \Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b) $$ $$ \Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1 $$

모델 상수

항목
H0 14.076
n 4.289
gf 1.000
gb -0.585
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 13:00:23.17 -63:58:20.4 HIP 63470 15.01
2026-02-03 12:00 13:00:11.77 -64:05:50.8 HIP 63470 7.56
2026-02-04 00:00 12:59:59.77 -64:13:19.0 HIP 63470 2.24
2026-02-04 12:00 12:59:47.17 -64:20:44.9 HIP 63411 1.85
2026-02-05 00:00 12:59:33.95 -64:28:08.6 HIP 63411 5.88
2026-02-05 12:00 12:59:20.12 -64:35:29.9 HIP 63411 13.35
2026-02-06 00:00 12:59:05.66 -64:42:48.9 HIP 63411 20.82
2026-02-06 12:00 12:58:50.57 -64:50:05.5 HIP 63681 26.96
2026-02-07 00:00 12:58:34.85 -64:57:19.6 HIP 63681 30.20
2026-02-07 12:00 12:58:18.50 -65:04:31.3 HIP 63242 34.61
2026-02-08 00:00 12:58:01.49 -65:11:40.5 HIP 63242 27.29
2026-02-08 12:00 12:57:43.84 -65:18:47.1 HIP 63242 20.04
2026-02-09 00:00 12:57:25.54 -65:25:51.2 HIP 63242 12.96
2026-02-09 12:00 12:57:06.57 -65:32:52.6 HIP 63242 6.47
2026-02-10 00:00 12:56:46.94 -65:39:51.4 HIP 63242 4.77
2026-02-10 12:00 12:56:26.65 -65:46:47.5 HIP 63021 10.01
2026-02-11 00:00 12:56:05.68 -65:53:40.8 HIP 63021 8.38
2026-02-11 12:00 12:55:44.04 -66:00:31.3 HIP 63035 4.61
2026-02-12 00:00 12:55:21.71 -66:07:19.1 HIP 63035 6.21
2026-02-12 12:00 12:54:58.70 -66:14:03.9 HIP 63035 12.55
2026-02-13 00:00 12:54:35.00 -66:20:45.9 HIP 63035 19.41
2026-02-13 12:00 12:54:10.61 -66:27:24.9 HIP 63035 26.37
2026-02-14 00:00 12:53:45.52 -66:34:00.9 HIP 62588 25.29
2026-02-14 12:00 12:53:19.74 -66:40:33.8 HIP 62588 23.26
2026-02-15 00:00 12:52:53.25 -66:47:03.7 HIP 62588 23.20
2026-02-15 12:00 12:52:26.05 -66:53:30.5 HIP 62588 25.10
2026-02-16 00:00 12:51:58.15 -66:59:54.1 HIP 62488 22.80
2026-02-16 12:00 12:51:29.54 -67:06:14.5 HIP 62488 18.60
2026-02-17 00:00 12:51:00.21 -67:12:31.7 HIP 62488 16.31
2026-02-17 12:00 12:50:30.17 -67:18:45.6 HIP 62488 16.71
2026-02-18 00:00 12:49:59.41 -67:24:56.1 HIP 62488 19.60
2026-02-18 12:00 12:49:27.94 -67:31:03.3 HIP 62488 24.09
2026-02-19 00:00 12:48:55.75 -67:37:07.0 HIP 62117 29.06
2026-02-19 12:00 12:48:22.83 -67:43:07.2 HIP 62677 25.62
2026-02-20 00:00 12:47:49.20 -67:49:04.0 HIP 62322 19.45
2026-02-20 12:00 12:47:14.85 -67:54:57.2 HIP 62322 12.75
2026-02-21 00:00 12:46:39.77 -68:00:46.8 HIP 62322 6.09
2026-02-21 12:00 12:46:03.98 -68:06:32.7 HIP 62322 1.20
2026-02-22 00:00 12:45:27.47 -68:12:15.0 HIP 62322 7.37
2026-02-22 12:00 12:44:50.24 -68:17:53.6 HIP 62322 13.96
2026-02-23 00:00 12:44:12.29 -68:23:28.4 HIP 62322 20.54
2026-02-23 12:00 12:43:33.62 -68:28:59.4 HIP 62212 22.35
2026-02-24 00:00 12:42:54.25 -68:34:26.5 HIP 62212 19.29