메타데이터
| 항목 |
값 |
| Designation |
C/2019 J3 (ATLAS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2019-08-01T21:21:25.338240Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:33:54Z |
| Obs used |
270 |
| NEO |
- |
| M1 |
15.300 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2019-05-14T13:01:15.024000Z |
| Discovery magnitude (MPC) |
18.73 o |
| Discovery observatory (MPC) |
T05 · ATLAS-HKO, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2019-07-10.0000000 |
| e |
1.00067795 |
| q (au) |
2.373522 |
| a (au) |
-3501.039615 |
| i (deg) |
131.414908 |
| Ω (om, deg) |
270.517035 |
| ω (w, deg) |
16.552399 |
| M (ma, deg) |
-0.000109 |
밝기
산란 + 전체 선형
$$
M_a = (14.286 + 2.429\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
14.286 |
| n |
2.429 |
| gf |
0.944 |
| gb |
-0.898 |
| k |
0.999 |
| δ90 |
1.000 |
| 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 |
07:22:23.95 |
+40:33:41.4 |
HIP 35811 |
11.85 |
| 2026-06-01 12:00 |
07:22:29.48 |
+40:33:06.8 |
HIP 35811 |
11.56 |
| 2026-06-02 00:00 |
07:22:35.05 |
+40:32:32.4 |
HIP 35811 |
11.39 |
| 2026-06-02 12:00 |
07:22:40.65 |
+40:31:58.1 |
HIP 35811 |
11.33 |
| 2026-06-03 00:00 |
07:22:46.29 |
+40:31:24.0 |
HIP 35811 |
11.40 |
| 2026-06-03 12:00 |
07:22:51.96 |
+40:30:50.0 |
HIP 35811 |
11.59 |
| 2026-06-04 00:00 |
07:22:57.67 |
+40:30:16.1 |
HIP 35811 |
11.90 |
| 2026-06-04 12:00 |
07:23:03.42 |
+40:29:42.4 |
HIP 35811 |
12.32 |
| 2026-06-05 00:00 |
07:23:09.19 |
+40:29:08.8 |
HIP 35811 |
12.85 |
| 2026-06-05 12:00 |
07:23:15.00 |
+40:28:35.4 |
HIP 35811 |
13.46 |
| 2026-06-06 00:00 |
07:23:20.84 |
+40:28:02.2 |
HIP 35811 |
14.15 |
| 2026-06-06 12:00 |
07:23:26.72 |
+40:27:29.0 |
HIP 35811 |
14.91 |
| 2026-06-07 00:00 |
07:23:32.63 |
+40:26:56.1 |
HIP 35907 |
15.04 |
| 2026-06-07 12:00 |
07:23:38.56 |
+40:26:23.2 |
HIP 35907 |
15.07 |
| 2026-06-08 00:00 |
07:23:44.53 |
+40:25:50.6 |
HIP 35907 |
15.20 |
| 2026-06-08 12:00 |
07:23:50.53 |
+40:25:18.0 |
HIP 35907 |
15.43 |
| 2026-06-09 00:00 |
07:23:56.56 |
+40:24:45.7 |
HIP 35907 |
15.75 |
| 2026-06-09 12:00 |
07:24:02.62 |
+40:24:13.5 |
HIP 35907 |
16.16 |
| 2026-06-10 00:00 |
07:24:08.71 |
+40:23:41.4 |
HIP 35907 |
16.66 |
| 2026-06-10 12:00 |
07:24:14.83 |
+40:23:09.5 |
HIP 35907 |
17.23 |
| 2026-06-11 00:00 |
07:24:20.98 |
+40:22:37.8 |
HIP 35907 |
17.88 |
| 2026-06-11 12:00 |
07:24:27.15 |
+40:22:06.2 |
HIP 35907 |
18.58 |
| 2026-06-12 00:00 |
07:24:33.35 |
+40:21:34.8 |
HIP 35907 |
19.35 |
| 2026-06-12 12:00 |
07:24:39.58 |
+40:21:03.6 |
HIP 35907 |
20.17 |
| 2026-06-13 00:00 |
07:24:45.84 |
+40:20:32.5 |
HIP 35907 |
21.04 |
| 2026-06-13 12:00 |
07:24:52.12 |
+40:20:01.5 |
HIP 35907 |
21.95 |
| 2026-06-14 00:00 |
07:24:58.43 |
+40:19:30.8 |
HIP 35907 |
22.90 |
| 2026-06-14 12:00 |
07:25:04.76 |
+40:19:00.2 |
HIP 35907 |
23.88 |
| 2026-06-15 00:00 |
07:25:11.12 |
+40:18:29.8 |
HIP 35907 |
24.89 |
| 2026-06-15 12:00 |
07:25:17.50 |
+40:17:59.5 |
HIP 35907 |
25.92 |
| 2026-06-16 00:00 |
07:25:23.90 |
+40:17:29.4 |
HIP 35907 |
26.98 |
| 2026-06-16 12:00 |
07:25:30.33 |
+40:16:59.5 |
HIP 35907 |
28.07 |
| 2026-06-17 00:00 |
07:25:36.78 |
+40:16:29.8 |
HIP 35907 |
29.17 |
| 2026-06-17 12:00 |
07:25:43.25 |
+40:16:00.2 |
HIP 35907 |
30.29 |
| 2026-06-18 00:00 |
07:25:49.75 |
+40:15:30.8 |
HIP 35907 |
31.43 |
| 2026-06-18 12:00 |
07:25:56.26 |
+40:15:01.6 |
HIP 35907 |
32.58 |
| 2026-06-19 00:00 |
07:26:02.80 |
+40:14:32.5 |
HIP 35907 |
33.75 |
| 2026-06-19 12:00 |
07:26:09.35 |
+40:14:03.7 |
HIP 36285 |
34.26 |
| 2026-06-20 00:00 |
07:26:15.93 |
+40:13:35.0 |
HIP 36285 |
33.79 |
| 2026-06-20 12:00 |
07:26:22.52 |
+40:13:06.5 |
HIP 36285 |
33.37 |
| 2026-06-21 00:00 |
07:26:29.14 |
+40:12:38.2 |
HIP 36285 |
32.99 |
| 2026-06-21 12:00 |
07:26:35.77 |
+40:12:10.0 |
HIP 36285 |
32.66 |
| 2026-06-22 00:00 |
07:26:42.41 |
+40:11:42.1 |
HIP 36285 |
32.38 |