메타데이터
| 항목 |
값 |
| Designation |
219P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2017-02-21T05:39:11.623680Z |
| Orbit solution date (soln_date, UTC) |
2025-02-13T09:13:06Z |
| Obs used |
1145 |
| NEO |
- |
| M1 |
5.900 |
| K1 |
24.750 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2014-06-19.0000000 |
| e |
0.35196615 |
| q (au) |
2.365480 |
| a (au) |
3.650242 |
| i (deg) |
11.528879 |
| Ω (om, deg) |
231.031617 |
| ω (w, deg) |
107.482590 |
| M (ma, deg) |
221.750045 |
밝기
산란 + 전체 선형
$$
M_a = (9.086 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
9.086 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-05-12 00:00 |
07:27:49.46 |
+11:44:41.2 |
HIP 36189 |
16.02 |
| 2026-05-12 12:00 |
07:28:11.34 |
+11:44:33.5 |
HIP 36374 |
17.91 |
| 2026-05-13 00:00 |
07:28:33.33 |
+11:44:25.1 |
HIP 36374 |
13.59 |
| 2026-05-13 12:00 |
07:28:55.42 |
+11:44:16.0 |
HIP 36374 |
10.32 |
| 2026-05-14 00:00 |
07:29:17.61 |
+11:44:06.1 |
HIP 36374 |
9.30 |
| 2026-05-14 12:00 |
07:29:39.91 |
+11:43:55.5 |
HIP 36374 |
11.21 |
| 2026-05-15 00:00 |
07:30:02.31 |
+11:43:44.2 |
HIP 36374 |
15.00 |
| 2026-05-15 12:00 |
07:30:24.81 |
+11:43:32.1 |
HIP 36425 |
19.14 |
| 2026-05-16 00:00 |
07:30:47.41 |
+11:43:19.3 |
HIP 36425 |
22.46 |
| 2026-05-16 12:00 |
07:31:10.11 |
+11:43:05.7 |
HIP 36425 |
26.55 |
| 2026-05-17 00:00 |
07:31:32.91 |
+11:42:51.5 |
HIP 36425 |
31.13 |
| 2026-05-17 12:00 |
07:31:55.80 |
+11:42:36.4 |
HIP 36752 |
28.21 |
| 2026-05-18 00:00 |
07:32:18.79 |
+11:42:20.7 |
HIP 36752 |
23.48 |
| 2026-05-18 12:00 |
07:32:41.87 |
+11:42:04.2 |
HIP 36752 |
19.22 |
| 2026-05-19 00:00 |
07:33:05.05 |
+11:41:46.9 |
HIP 36752 |
15.83 |
| 2026-05-19 12:00 |
07:33:28.31 |
+11:41:28.9 |
HIP 36752 |
14.01 |
| 2026-05-20 00:00 |
07:33:51.67 |
+11:41:10.2 |
HIP 36752 |
14.38 |
| 2026-05-20 12:00 |
07:34:15.12 |
+11:40:50.7 |
HIP 36752 |
16.82 |
| 2026-05-21 00:00 |
07:34:38.65 |
+11:40:30.5 |
HIP 36752 |
20.64 |
| 2026-05-21 12:00 |
07:35:02.28 |
+11:40:09.6 |
HIP 36752 |
25.22 |
| 2026-05-22 00:00 |
07:35:25.99 |
+11:39:47.9 |
HIP 36752 |
30.24 |
| 2026-05-22 12:00 |
07:35:49.78 |
+11:39:25.5 |
HIP 37053 |
29.52 |
| 2026-05-23 00:00 |
07:36:13.66 |
+11:39:02.4 |
HIP 37053 |
27.34 |
| 2026-05-23 12:00 |
07:36:37.62 |
+11:38:38.5 |
HIP 37053 |
26.32 |
| 2026-05-24 00:00 |
07:37:01.66 |
+11:38:13.9 |
HIP 37053 |
26.60 |
| 2026-05-24 12:00 |
07:37:25.78 |
+11:37:48.5 |
HIP 37256 |
28.13 |
| 2026-05-25 00:00 |
07:37:49.99 |
+11:37:22.5 |
HIP 37256 |
23.52 |
| 2026-05-25 12:00 |
07:38:14.27 |
+11:36:55.7 |
HIP 37256 |
19.64 |
| 2026-05-26 00:00 |
07:38:38.63 |
+11:36:28.1 |
HIP 37256 |
17.01 |
| 2026-05-26 12:00 |
07:39:03.06 |
+11:35:59.8 |
HIP 37256 |
16.27 |
| 2026-05-27 00:00 |
07:39:27.57 |
+11:35:30.8 |
HIP 37256 |
17.69 |
| 2026-05-27 12:00 |
07:39:52.16 |
+11:35:01.1 |
HIP 37256 |
20.84 |
| 2026-05-28 00:00 |
07:40:16.82 |
+11:34:30.7 |
HIP 37256 |
25.09 |
| 2026-05-28 12:00 |
07:40:41.56 |
+11:33:59.5 |
HIP 37256 |
29.99 |
| 2026-05-29 00:00 |
07:41:06.36 |
+11:33:27.6 |
HIP 37355 |
32.20 |
| 2026-05-29 12:00 |
07:41:31.24 |
+11:32:54.9 |
HIP 37355 |
35.15 |
| 2026-05-30 00:00 |
07:41:56.19 |
+11:32:21.6 |
HIP 37355 |
38.86 |
| 2026-05-30 12:00 |
07:42:21.21 |
+11:31:47.5 |
HIP 37492 |
39.68 |
| 2026-05-31 00:00 |
07:42:46.29 |
+11:31:12.7 |
HIP 37755 |
36.22 |
| 2026-05-31 12:00 |
07:43:11.45 |
+11:30:37.2 |
HIP 37755 |
32.40 |
| 2026-06-01 00:00 |
07:43:36.67 |
+11:30:00.9 |
HIP 37755 |
29.40 |
| 2026-06-01 12:00 |
07:44:01.96 |
+11:29:24.0 |
HIP 37852 |
27.25 |
| 2026-06-02 00:00 |
07:44:27.31 |
+11:28:46.3 |
HIP 37852 |
22.81 |