메타데이터

항목	값
Designation	333P/LINEAR
Type	P
Perihelion (tp_cal, UTC)	2016-04-01T21:15:05.506560Z
Orbit solution date (soln_date, UTC)	2025-09-22T13:42:28Z
Obs used	1302
NEO	Yes
M1	14.900
K1	7.250
PC	-

Osculating 궤도요소

항목	값
Epoch (epoch_cal, TDB)	2020-03-15.0000000
e	0.73612569
q (au)	1.113680
a (au)	4.220494
i (deg)	131.973041
Ω (om, deg)	115.621541
ω (w, deg)	26.072700
M (ma, deg)	164.043825

밝기

산란 + 전체 선형

$$ M_a = (13.962 + 4.846\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta $$ $$ \theta = 180^\circ - \alpha $$ $$ \Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b) $$ $$ \Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1 $$

모델 상수

항목	값
H0	13.962
n	4.846
gf	1.000
gb	-0.860
k	0.964
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
2024-02-29	2025-09-18	+1.5741	-0.652

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

천체력

Date/Time (UTC)	RA (J2000)	Dec (J2000)	Nearest HIP	Dist from HIP (arcmin)
2026-03-26 00:00	20:55:53.80	-08:55:11.1	HIP 103223	16.81
2026-03-26 12:00	20:56:02.85	-08:55:09.3	HIP 103223	19.03
2026-03-27 00:00	20:56:11.76	-08:55:07.8	HIP 103223	21.21
2026-03-27 12:00	20:56:20.53	-08:55:06.8	HIP 103223	23.37
2026-03-28 00:00	20:56:29.16	-08:55:06.2	HIP 103223	25.49
2026-03-28 12:00	20:56:37.64	-08:55:06.0	HIP 103223	27.58
2026-03-29 00:00	20:56:45.98	-08:55:06.2	HIP 103223	29.63
2026-03-29 12:00	20:56:54.18	-08:55:06.9	HIP 103223	31.65
2026-03-30 00:00	20:57:02.22	-08:55:08.0	HIP 103223	33.63
2026-03-30 12:00	20:57:10.12	-08:55:09.5	HIP 103591	32.47
2026-03-31 00:00	20:57:17.87	-08:55:11.5	HIP 103591	30.57
2026-03-31 12:00	20:57:25.47	-08:55:13.9	HIP 103591	28.70
2026-04-01 00:00	20:57:32.92	-08:55:16.8	HIP 103591	26.87
2026-04-01 12:00	20:57:40.22	-08:55:20.2	HIP 103591	25.09
2026-04-02 00:00	20:57:47.37	-08:55:24.1	HIP 103591	23.34
2026-04-02 12:00	20:57:54.36	-08:55:28.4	HIP 103591	21.63
2026-04-03 00:00	20:58:01.20	-08:55:33.3	HIP 103591	19.97
2026-04-03 12:00	20:58:07.88	-08:55:38.7	HIP 103591	18.35
2026-04-04 00:00	20:58:14.41	-08:55:44.5	HIP 103591	16.78
2026-04-04 12:00	20:58:20.78	-08:55:51.0	HIP 103591	15.26
2026-04-05 00:00	20:58:26.99	-08:55:57.9	HIP 103591	13.79
2026-04-05 12:00	20:58:33.04	-08:56:05.4	HIP 103591	12.37
2026-04-06 00:00	20:58:38.93	-08:56:13.4	HIP 103591	11.02
2026-04-06 12:00	20:58:44.66	-08:56:22.0	HIP 103591	9.74
2026-04-07 00:00	20:58:50.23	-08:56:31.2	HIP 103591	8.55
2026-04-07 12:00	20:58:55.63	-08:56:40.9	HIP 103591	7.47
2026-04-08 00:00	20:59:00.87	-08:56:51.2	HIP 103591	6.52
2026-04-08 12:00	20:59:05.95	-08:57:02.1	HIP 103591	5.74
2026-04-09 00:00	20:59:10.85	-08:57:13.6	HIP 103591	5.20
2026-04-09 12:00	20:59:15.59	-08:57:25.8	HIP 103591	4.92
2026-04-10 00:00	20:59:20.16	-08:57:38.5	HIP 103591	4.94
2026-04-10 12:00	20:59:24.56	-08:57:51.9	HIP 103591	5.22
2026-04-11 00:00	20:59:28.78	-08:58:05.9	HIP 103591	5.71
2026-04-11 12:00	20:59:32.84	-08:58:20.6	HIP 103591	6.32
2026-04-12 00:00	20:59:36.72	-08:58:35.9	HIP 103591	7.03
2026-04-12 12:00	20:59:40.42	-08:58:51.8	HIP 103591	7.77
2026-04-13 00:00	20:59:43.95	-08:59:08.5	HIP 103591	8.54
2026-04-13 12:00	20:59:47.30	-08:59:25.8	HIP 103591	9.31
2026-04-14 00:00	20:59:50.48	-08:59:43.9	HIP 103591	10.08
2026-04-14 12:00	20:59:53.47	-09:00:02.6	HIP 103591	10.83
2026-04-15 00:00	20:59:56.28	-09:00:22.0	HIP 103591	11.56
2026-04-15 12:00	20:59:58.91	-09:00:42.2	HIP 103591	12.27
2026-04-16 00:00	21:00:01.36	-09:01:03.1	HIP 103591	12.96