메타데이터
| 항목 |
값 |
| Designation |
343P/NEAT-LONEOS |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2017-01-27T05:13:16.026240Z |
| Orbit solution date (soln_date, UTC) |
2024-08-11T00:12:24Z |
| Obs used |
324 |
| NEO |
- |
| M1 |
5.600 |
| K1 |
29.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2013-10-15.0000000 |
| e |
0.58417160 |
| q (au) |
2.276535 |
| a (au) |
5.474699 |
| i (deg) |
5.584452 |
| Ω (om, deg) |
257.265816 |
| ω (w, deg) |
137.584514 |
| M (ma, deg) |
267.652804 |
밝기
산란 + 전체 선형
$$
M_a = (10.056 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
10.056 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.500 |
| k |
1.000 |
| 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 |
| 2016-06-11 |
2017-01-23 |
+9.4520 |
-3.557 |
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 |
16:30:31.23 |
-23:21:54.5 |
HIP 80937 |
37.09 |
| 2026-03-26 12:00 |
16:30:28.47 |
-23:21:48.5 |
HIP 80937 |
37.27 |
| 2026-03-27 00:00 |
16:30:25.56 |
-23:21:42.1 |
HIP 80937 |
37.46 |
| 2026-03-27 12:00 |
16:30:22.50 |
-23:21:35.4 |
HIP 80937 |
37.67 |
| 2026-03-28 00:00 |
16:30:19.30 |
-23:21:28.4 |
HIP 80937 |
37.91 |
| 2026-03-28 12:00 |
16:30:15.95 |
-23:21:21.0 |
HIP 80937 |
38.18 |
| 2026-03-29 00:00 |
16:30:12.45 |
-23:21:13.2 |
HIP 80937 |
38.47 |
| 2026-03-29 12:00 |
16:30:08.80 |
-23:21:05.2 |
HIP 80937 |
38.78 |
| 2026-03-30 00:00 |
16:30:05.01 |
-23:20:56.7 |
HIP 80937 |
39.13 |
| 2026-03-30 12:00 |
16:30:01.07 |
-23:20:48.0 |
HIP 80937 |
39.51 |
| 2026-03-31 00:00 |
16:29:56.98 |
-23:20:38.8 |
HIP 80937 |
39.92 |
| 2026-03-31 12:00 |
16:29:52.75 |
-23:20:29.4 |
HIP 80937 |
40.36 |
| 2026-04-01 00:00 |
16:29:48.37 |
-23:20:19.6 |
HIP 80937 |
40.84 |
| 2026-04-01 12:00 |
16:29:43.85 |
-23:20:09.4 |
HIP 80937 |
41.36 |
| 2026-04-02 00:00 |
16:29:39.18 |
-23:19:58.9 |
HIP 80937 |
41.91 |
| 2026-04-02 12:00 |
16:29:34.36 |
-23:19:48.0 |
HIP 80937 |
42.50 |
| 2026-04-03 00:00 |
16:29:29.40 |
-23:19:36.8 |
HIP 80937 |
43.13 |
| 2026-04-03 12:00 |
16:29:24.30 |
-23:19:25.2 |
HIP 80937 |
43.80 |
| 2026-04-04 00:00 |
16:29:19.05 |
-23:19:13.3 |
HIP 80937 |
44.52 |
| 2026-04-04 12:00 |
16:29:13.65 |
-23:19:01.0 |
HIP 80937 |
45.27 |
| 2026-04-05 00:00 |
16:29:08.12 |
-23:18:48.3 |
HIP 80937 |
46.07 |
| 2026-04-05 12:00 |
16:29:02.44 |
-23:18:35.3 |
HIP 80632 |
45.94 |
| 2026-04-06 00:00 |
16:28:56.62 |
-23:18:22.0 |
HIP 80632 |
45.27 |
| 2026-04-06 12:00 |
16:28:50.65 |
-23:18:08.2 |
HIP 80632 |
44.61 |
| 2026-04-07 00:00 |
16:28:44.55 |
-23:17:54.2 |
HIP 80474 |
43.95 |
| 2026-04-07 12:00 |
16:28:38.30 |
-23:17:39.7 |
HIP 80474 |
42.57 |
| 2026-04-08 00:00 |
16:28:31.91 |
-23:17:24.9 |
HIP 80474 |
41.17 |
| 2026-04-08 12:00 |
16:28:25.38 |
-23:17:09.8 |
HIP 80474 |
39.74 |
| 2026-04-09 00:00 |
16:28:18.71 |
-23:16:54.2 |
HIP 80474 |
38.28 |
| 2026-04-09 12:00 |
16:28:11.91 |
-23:16:38.4 |
HIP 80474 |
36.80 |
| 2026-04-10 00:00 |
16:28:04.96 |
-23:16:22.1 |
HIP 80474 |
35.31 |
| 2026-04-10 12:00 |
16:27:57.87 |
-23:16:05.5 |
HIP 80474 |
33.79 |
| 2026-04-11 00:00 |
16:27:50.65 |
-23:15:48.5 |
HIP 80474 |
32.26 |
| 2026-04-11 12:00 |
16:27:43.29 |
-23:15:31.2 |
HIP 80474 |
30.71 |
| 2026-04-12 00:00 |
16:27:35.79 |
-23:15:13.5 |
HIP 80474 |
29.16 |
| 2026-04-12 12:00 |
16:27:28.16 |
-23:14:55.5 |
HIP 80474 |
27.60 |
| 2026-04-13 00:00 |
16:27:20.39 |
-23:14:37.0 |
HIP 80474 |
26.05 |
| 2026-04-13 12:00 |
16:27:12.49 |
-23:14:18.2 |
HIP 80474 |
24.50 |
| 2026-04-14 00:00 |
16:27:04.46 |
-23:13:59.1 |
HIP 80474 |
22.97 |
| 2026-04-14 12:00 |
16:26:56.29 |
-23:13:39.6 |
HIP 80474 |
21.47 |
| 2026-04-15 00:00 |
16:26:47.99 |
-23:13:19.7 |
HIP 80474 |
20.02 |
| 2026-04-15 12:00 |
16:26:39.55 |
-23:12:59.4 |
HIP 80474 |
18.63 |
| 2026-04-16 00:00 |
16:26:30.99 |
-23:12:38.8 |
HIP 80474 |
17.34 |