메타데이터

항목	값
Designation	334P/NEAT
Type	P
Perihelion (tp_cal, UTC)	2017-05-19T03:35:22.182720Z
Orbit solution date (soln_date, UTC)	2023-05-03T22:44:41Z
Obs used	404
NEO	-
M1	6.500
K1	15.250
PC	0.030

Osculating 궤도요소

항목	값
Epoch (epoch_cal, TDB)	2010-10-20.0000000
e	0.35453120
q (au)	4.187661
a (au)	6.487782
i (deg)	19.057080
Ω (om, deg)	92.783588
ω (w, deg)	81.094516
M (ma, deg)	216.668886

밝기

산란 + 전체 선형

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

모델 상수

항목	값
H0	6.000
n	6.000
gf	0.913
gb	-0.905
k	1.000
δ90	6.383

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
2016-01-07	2017-05-18	+13.7114	-8.331

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	00:29:35.05	-16:54:28.4	HIP 2274	19.97
2026-03-26 12:00	00:29:49.17	-16:53:00.7	HIP 2463	21.66
2026-03-27 00:00	00:30:03.29	-16:51:33.3	HIP 2463	18.04
2026-03-27 12:00	00:30:17.41	-16:50:06.5	HIP 2463	14.45
2026-03-28 00:00	00:30:31.53	-16:48:40.0	HIP 2463	10.91
2026-03-28 12:00	00:30:45.65	-16:47:14.0	HIP 2463	7.50
2026-03-29 00:00	00:30:59.77	-16:45:48.4	HIP 2463	4.51
2026-03-29 12:00	00:31:13.89	-16:44:23.3	HIP 2463	3.36
2026-03-30 00:00	00:31:28.01	-16:42:58.6	HIP 2463	5.39
2026-03-30 12:00	00:31:42.12	-16:41:34.3	HIP 2463	8.58
2026-03-31 00:00	00:31:56.24	-16:40:10.5	HIP 2463	12.04
2026-03-31 12:00	00:32:10.35	-16:38:47.1	HIP 2463	15.58
2026-04-01 00:00	00:32:24.46	-16:37:24.2	HIP 2634	17.60
2026-04-01 12:00	00:32:38.57	-16:36:01.8	HIP 2634	14.03
2026-04-02 00:00	00:32:52.67	-16:34:39.8	HIP 2634	10.50
2026-04-02 12:00	00:33:06.77	-16:33:18.2	HIP 2634	7.12
2026-04-03 00:00	00:33:20.86	-16:31:57.1	HIP 2634	4.18
2026-04-03 12:00	00:33:34.95	-16:30:36.5	HIP 2634	3.30
2026-04-04 00:00	00:33:49.03	-16:29:16.4	HIP 2634	5.54
2026-04-04 12:00	00:34:03.11	-16:27:56.7	HIP 2634	8.77
2026-04-05 00:00	00:34:17.18	-16:26:37.5	HIP 2634	12.22
2026-04-05 12:00	00:34:31.24	-16:25:18.8	HIP 2634	15.74
2026-04-06 00:00	00:34:45.29	-16:24:00.6	HIP 2819	18.84
2026-04-06 12:00	00:34:59.34	-16:22:42.8	HIP 2819	16.95
2026-04-07 00:00	00:35:13.37	-16:21:25.6	HIP 2819	15.66
2026-04-07 12:00	00:35:27.40	-16:20:08.8	HIP 2819	15.13
2026-04-08 00:00	00:35:41.41	-16:18:52.5	HIP 2819	15.44
2026-04-08 12:00	00:35:55.42	-16:17:36.7	HIP 2819	16.53
2026-04-09 00:00	00:36:09.42	-16:16:21.5	HIP 2819	18.27
2026-04-09 12:00	00:36:23.40	-16:15:06.7	HIP 2819	20.48
2026-04-10 00:00	00:36:37.37	-16:13:52.4	HIP 3002	22.65
2026-04-10 12:00	00:36:51.33	-16:12:38.7	HIP 3002	19.40
2026-04-11 00:00	00:37:05.28	-16:11:25.4	HIP 3002	16.28
2026-04-11 12:00	00:37:19.21	-16:10:12.7	HIP 3002	13.38
2026-04-12 00:00	00:37:33.13	-16:09:00.5	HIP 3002	10.87
2026-04-12 12:00	00:37:47.04	-16:07:48.8	HIP 3002	9.09
2026-04-13 00:00	00:38:00.93	-16:06:37.7	HIP 3002	8.48
2026-04-13 12:00	00:38:14.80	-16:05:27.0	HIP 3002	9.29
2026-04-14 00:00	00:38:28.66	-16:04:17.0	HIP 3002	11.19
2026-04-14 12:00	00:38:42.50	-16:03:07.4	HIP 3002	13.74
2026-04-15 00:00	00:38:56.32	-16:01:58.4	HIP 3002	16.64
2026-04-15 12:00	00:39:10.13	-16:00:49.9	HIP 3002	19.74
2026-04-16 00:00	00:39:23.92	-15:59:42.0	HIP 3047	22.13