메타데이터
| 항목 |
값 |
| Designation |
C/2019 L1 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2019-08-11T06:51:01.670400Z |
| Orbit solution date (soln_date, UTC) |
2023-01-14T00:12:29Z |
| Obs used |
103 |
| NEO |
- |
| M1 |
13.500 |
| K1 |
10.000 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2019-06-12T12:39:55.872000Z |
| Discovery magnitude (MPC) |
20.10 w |
| Discovery observatory (MPC) |
F52 · Pan-STARRS 2, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2019-07-10.0000000 |
| e |
0.70662278 |
| q (au) |
2.890226 |
| a (au) |
9.851568 |
| i (deg) |
9.993558 |
| Ω (om, deg) |
254.409692 |
| ω (w, deg) |
49.919599 |
| M (ma, deg) |
358.970912 |
밝기
산란 + 전체 선형
$$
M_a = (11.057 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.057 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.790 |
| k |
0.995 |
| 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) |
| 2026-06-01 00:00 |
06:13:36.65 |
+20:06:25.4 |
HIP 29587 |
7.89 |
| 2026-06-01 12:00 |
06:13:46.52 |
+20:06:21.3 |
HIP 29587 |
6.00 |
| 2026-06-02 00:00 |
06:13:56.42 |
+20:06:17.0 |
HIP 29587 |
4.52 |
| 2026-06-02 12:00 |
06:14:06.34 |
+20:06:12.7 |
HIP 29587 |
3.97 |
| 2026-06-03 00:00 |
06:14:16.28 |
+20:06:08.2 |
HIP 29587 |
4.69 |
| 2026-06-03 12:00 |
06:14:26.24 |
+20:06:03.7 |
HIP 29587 |
6.26 |
| 2026-06-04 00:00 |
06:14:36.22 |
+20:05:59.0 |
HIP 29587 |
8.20 |
| 2026-06-04 12:00 |
06:14:46.22 |
+20:05:54.3 |
HIP 29587 |
10.32 |
| 2026-06-05 00:00 |
06:14:56.25 |
+20:05:49.4 |
HIP 29587 |
12.53 |
| 2026-06-05 12:00 |
06:15:06.29 |
+20:05:44.5 |
HIP 29587 |
14.79 |
| 2026-06-06 00:00 |
06:15:16.35 |
+20:05:39.4 |
HIP 29587 |
17.08 |
| 2026-06-06 12:00 |
06:15:26.42 |
+20:05:34.3 |
HIP 29587 |
19.39 |
| 2026-06-07 00:00 |
06:15:36.52 |
+20:05:29.0 |
HIP 29587 |
21.72 |
| 2026-06-07 12:00 |
06:15:46.63 |
+20:05:23.7 |
HIP 29587 |
24.06 |
| 2026-06-08 00:00 |
06:15:56.76 |
+20:05:18.2 |
HIP 29587 |
26.41 |
| 2026-06-08 12:00 |
06:16:06.91 |
+20:05:12.7 |
HIP 29587 |
28.77 |
| 2026-06-09 00:00 |
06:16:17.07 |
+20:05:07.0 |
HIP 29786 |
28.96 |
| 2026-06-09 12:00 |
06:16:27.25 |
+20:05:01.3 |
HIP 29897 |
27.82 |
| 2026-06-10 00:00 |
06:16:37.45 |
+20:04:55.4 |
HIP 29897 |
26.45 |
| 2026-06-10 12:00 |
06:16:47.66 |
+20:04:49.5 |
HIP 29897 |
25.23 |
| 2026-06-11 00:00 |
06:16:57.88 |
+20:04:43.4 |
HIP 29897 |
24.18 |
| 2026-06-11 12:00 |
06:17:08.11 |
+20:04:37.2 |
HIP 29897 |
23.34 |
| 2026-06-12 00:00 |
06:17:18.36 |
+20:04:31.0 |
HIP 29897 |
22.72 |
| 2026-06-12 12:00 |
06:17:28.63 |
+20:04:24.6 |
HIP 29897 |
22.35 |
| 2026-06-13 00:00 |
06:17:38.90 |
+20:04:18.2 |
HIP 29897 |
22.23 |
| 2026-06-13 12:00 |
06:17:49.19 |
+20:04:11.6 |
HIP 29897 |
22.38 |
| 2026-06-14 00:00 |
06:17:59.48 |
+20:04:04.9 |
HIP 29897 |
22.78 |
| 2026-06-14 12:00 |
06:18:09.79 |
+20:03:58.2 |
HIP 29897 |
23.43 |
| 2026-06-15 00:00 |
06:18:20.11 |
+20:03:51.3 |
HIP 29897 |
24.31 |
| 2026-06-15 12:00 |
06:18:30.44 |
+20:03:44.3 |
HIP 29897 |
25.39 |
| 2026-06-16 00:00 |
06:18:40.77 |
+20:03:37.2 |
HIP 30110 |
24.20 |
| 2026-06-16 12:00 |
06:18:51.12 |
+20:03:30.0 |
HIP 30110 |
22.01 |
| 2026-06-17 00:00 |
06:19:01.47 |
+20:03:22.8 |
HIP 30110 |
19.88 |
| 2026-06-17 12:00 |
06:19:11.83 |
+20:03:15.4 |
HIP 30110 |
17.82 |
| 2026-06-18 00:00 |
06:19:22.20 |
+20:03:07.9 |
HIP 30110 |
15.87 |
| 2026-06-18 12:00 |
06:19:32.57 |
+20:03:00.3 |
HIP 30110 |
14.07 |
| 2026-06-19 00:00 |
06:19:42.95 |
+20:02:52.6 |
HIP 30110 |
12.48 |
| 2026-06-19 12:00 |
06:19:53.33 |
+20:02:44.8 |
HIP 30110 |
11.21 |
| 2026-06-20 00:00 |
06:20:03.72 |
+20:02:37.0 |
HIP 30110 |
10.36 |
| 2026-06-20 12:00 |
06:20:14.11 |
+20:02:29.0 |
HIP 30110 |
10.05 |
| 2026-06-21 00:00 |
06:20:24.51 |
+20:02:20.9 |
HIP 30110 |
10.32 |
| 2026-06-21 12:00 |
06:20:34.91 |
+20:02:12.7 |
HIP 30110 |
11.13 |
| 2026-06-22 00:00 |
06:20:45.31 |
+20:02:04.4 |
HIP 30110 |
12.39 |