메타데이터
| 항목 |
값 |
| Designation |
C/2024 J3 (ATLAS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2026-11-25T08:06:53.127360Z |
| Orbit solution date (soln_date, UTC) |
2026-03-31T09:42:18Z |
| Obs used |
1173 |
| NEO |
- |
| M1 |
7.700 |
| K1 |
6.750 |
| PC |
0.030 |
| Discovery observation (MPC, UTC) |
2024-05-06T06:21:33.667200Z |
| Discovery magnitude (MPC) |
17.60 o |
| Discovery observatory (MPC) |
W68 · ATLAS Chile, Rio Hurtado |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2025-05-31.0000000 |
| e |
1.00071662 |
| q (au) |
3.865181 |
| a (au) |
-5393.649177 |
| i (deg) |
75.639512 |
| Ω (om, deg) |
285.961233 |
| ω (w, deg) |
74.089177 |
| M (ma, deg) |
-0.001352 |
밝기
산란 + 전체 선형
$$
M_a = (5.479 + 3.345\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
5.479 |
| n |
3.345 |
| gf |
0.998 |
| gb |
-0.876 |
| k |
1.000 |
| δ90 |
9.999 |
| 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
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-03-26 00:00 |
20:12:37.01 |
+09:55:35.8 |
HIP 99541 |
9.07 |
| 2026-03-26 12:00 |
20:12:51.69 |
+10:02:42.7 |
HIP 99541 |
12.05 |
| 2026-03-27 00:00 |
20:13:06.24 |
+10:09:51.3 |
HIP 99541 |
18.30 |
| 2026-03-27 12:00 |
20:13:20.65 |
+10:17:01.3 |
HIP 99796 |
25.09 |
| 2026-03-28 00:00 |
20:13:34.94 |
+10:24:13.0 |
HIP 99796 |
19.32 |
| 2026-03-28 12:00 |
20:13:49.09 |
+10:31:26.1 |
HIP 99796 |
15.70 |
| 2026-03-29 00:00 |
20:14:03.11 |
+10:38:40.8 |
HIP 99644 |
13.65 |
| 2026-03-29 12:00 |
20:14:17.00 |
+10:45:57.1 |
HIP 99644 |
14.10 |
| 2026-03-30 00:00 |
20:14:30.75 |
+10:53:14.9 |
HIP 99644 |
18.42 |
| 2026-03-30 12:00 |
20:14:44.36 |
+11:00:34.2 |
HIP 99644 |
24.67 |
| 2026-03-31 00:00 |
20:14:57.84 |
+11:07:55.1 |
HIP 99912 |
28.35 |
| 2026-03-31 12:00 |
20:15:11.18 |
+11:15:17.5 |
HIP 99912 |
32.27 |
| 2026-04-01 00:00 |
20:15:24.38 |
+11:22:41.5 |
HIP 99912 |
37.59 |
| 2026-04-01 12:00 |
20:15:37.43 |
+11:30:07.0 |
HIP 99754 |
32.65 |
| 2026-04-02 00:00 |
20:15:50.35 |
+11:37:34.0 |
HIP 99921 |
27.97 |
| 2026-04-02 12:00 |
20:16:03.12 |
+11:45:02.6 |
HIP 99921 |
19.92 |
| 2026-04-03 00:00 |
20:16:15.75 |
+11:52:32.8 |
HIP 99921 |
11.90 |
| 2026-04-03 12:00 |
20:16:28.23 |
+12:00:04.4 |
HIP 99921 |
4.26 |
| 2026-04-04 00:00 |
20:16:40.56 |
+12:07:37.7 |
HIP 99921 |
5.14 |
| 2026-04-04 12:00 |
20:16:52.74 |
+12:15:12.4 |
HIP 100010 |
7.64 |
| 2026-04-05 00:00 |
20:17:04.78 |
+12:22:48.7 |
HIP 100010 |
10.68 |
| 2026-04-05 12:00 |
20:17:16.66 |
+12:30:26.5 |
HIP 100010 |
17.43 |
| 2026-04-06 00:00 |
20:17:28.39 |
+12:38:05.9 |
HIP 100010 |
25.06 |
| 2026-04-06 12:00 |
20:17:39.97 |
+12:45:46.7 |
HIP 100222 |
32.23 |
| 2026-04-07 00:00 |
20:17:51.39 |
+12:53:29.1 |
HIP 100222 |
26.78 |
| 2026-04-07 12:00 |
20:18:02.65 |
+13:01:13.1 |
HIP 100222 |
23.06 |
| 2026-04-08 00:00 |
20:18:13.76 |
+13:08:58.5 |
HIP 100208 |
18.83 |
| 2026-04-08 12:00 |
20:18:24.71 |
+13:16:45.5 |
HIP 100208 |
16.16 |
| 2026-04-09 00:00 |
20:18:35.49 |
+13:24:33.9 |
HIP 100208 |
17.46 |
| 2026-04-09 12:00 |
20:18:46.11 |
+13:32:23.9 |
HIP 100256 |
18.01 |
| 2026-04-10 00:00 |
20:18:56.57 |
+13:40:15.4 |
HIP 100256 |
17.13 |
| 2026-04-10 12:00 |
20:19:06.86 |
+13:48:08.4 |
HIP 100256 |
20.01 |
| 2026-04-11 00:00 |
20:19:16.99 |
+13:56:02.9 |
HIP 100256 |
25.43 |
| 2026-04-11 12:00 |
20:19:26.94 |
+14:03:58.9 |
HIP 100192 |
18.31 |
| 2026-04-12 00:00 |
20:19:36.73 |
+14:11:56.4 |
HIP 100192 |
10.97 |
| 2026-04-12 12:00 |
20:19:46.35 |
+14:19:55.3 |
HIP 100192 |
6.53 |
| 2026-04-13 00:00 |
20:19:55.79 |
+14:27:55.7 |
HIP 100274 |
8.64 |
| 2026-04-13 12:00 |
20:20:05.05 |
+14:35:57.6 |
HIP 100274 |
4.16 |
| 2026-04-14 00:00 |
20:20:14.15 |
+14:44:01.0 |
HIP 100274 |
9.98 |
| 2026-04-14 12:00 |
20:20:23.06 |
+14:52:05.8 |
HIP 100344 |
17.82 |
| 2026-04-15 00:00 |
20:20:31.79 |
+15:00:12.0 |
HIP 100365 |
12.16 |
| 2026-04-15 12:00 |
20:20:40.34 |
+15:08:19.7 |
HIP 100365 |
8.73 |
| 2026-04-16 00:00 |
20:20:48.71 |
+15:16:28.9 |
HIP 100365 |
12.09 |