메타데이터
| 항목 |
값 |
| Designation |
C/2022 QE78 (ATLAS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2025-09-10T20:56:29.857920Z |
| Orbit solution date (soln_date, UTC) |
2026-09-08T09:12:17Z |
| Obs used |
4127 |
| NEO |
- |
| M1 |
6.600 |
| K1 |
7.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2025-01-14.0000000 |
| e |
1.00428513 |
| q (au) |
5.477033 |
| a (au) |
-1278.147272 |
| i (deg) |
36.578363 |
| Ω (om, deg) |
119.907415 |
| ω (w, deg) |
0.491635 |
| M (ma, deg) |
-0.005174 |
밝기
산란 + 전체 선형
$$
M_a = (6.589 + 2.269\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
6.589 |
| n |
2.269 |
| gf |
1.000 |
| gb |
-0.960 |
| 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
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-09-20 00:00 |
11:01:05.90 |
+26:48:39.1 |
HIP 53827 |
17.75 |
| 2026-09-20 12:00 |
11:01:32.96 |
+26:47:47.2 |
HIP 53827 |
20.82 |
| 2026-09-21 00:00 |
11:01:59.98 |
+26:46:55.8 |
HIP 53827 |
25.00 |
| 2026-09-21 12:00 |
11:02:26.97 |
+26:46:05.0 |
HIP 53850 |
29.56 |
| 2026-09-22 00:00 |
11:02:53.93 |
+26:45:14.8 |
HIP 54169 |
26.27 |
| 2026-09-22 12:00 |
11:03:20.86 |
+26:44:25.2 |
HIP 54169 |
20.41 |
| 2026-09-23 00:00 |
11:03:47.76 |
+26:43:36.2 |
HIP 54169 |
14.74 |
| 2026-09-23 12:00 |
11:04:14.62 |
+26:42:47.8 |
HIP 54169 |
9.55 |
| 2026-09-24 00:00 |
11:04:41.45 |
+26:42:00.0 |
HIP 54169 |
6.17 |
| 2026-09-24 12:00 |
11:05:08.25 |
+26:41:12.8 |
HIP 54169 |
7.61 |
| 2026-09-25 00:00 |
11:05:35.01 |
+26:40:26.2 |
HIP 54169 |
12.26 |
| 2026-09-25 12:00 |
11:06:01.74 |
+26:39:40.3 |
HIP 54169 |
17.74 |
| 2026-09-26 00:00 |
11:06:28.43 |
+26:38:55.0 |
HIP 54169 |
23.48 |
| 2026-09-26 12:00 |
11:06:55.09 |
+26:38:10.3 |
HIP 54169 |
29.32 |
| 2026-09-27 00:00 |
11:07:21.71 |
+26:37:26.2 |
HIP 54169 |
35.20 |
| 2026-09-27 12:00 |
11:07:48.29 |
+26:36:42.8 |
HIP 54169 |
41.10 |
| 2026-09-28 00:00 |
11:08:14.84 |
+26:36:00.0 |
HIP 54634 |
41.23 |
| 2026-09-28 12:00 |
11:08:41.35 |
+26:35:17.9 |
HIP 54634 |
35.77 |
| 2026-09-29 00:00 |
11:09:07.82 |
+26:34:36.4 |
HIP 54634 |
30.51 |
| 2026-09-29 12:00 |
11:09:34.25 |
+26:33:55.6 |
HIP 54634 |
25.58 |
| 2026-09-30 00:00 |
11:10:00.65 |
+26:33:15.5 |
HIP 54634 |
21.19 |
| 2026-09-30 12:00 |
11:10:27.00 |
+26:32:36.0 |
HIP 54634 |
17.75 |
| 2026-10-01 00:00 |
11:10:53.32 |
+26:31:57.3 |
HIP 54634 |
15.87 |
| 2026-10-01 12:00 |
11:11:19.60 |
+26:31:19.2 |
HIP 54634 |
16.10 |
| 2026-10-02 00:00 |
11:11:45.83 |
+26:30:41.8 |
HIP 54634 |
18.35 |
| 2026-10-02 12:00 |
11:12:12.03 |
+26:30:05.1 |
HIP 54685 |
20.94 |
| 2026-10-03 00:00 |
11:12:38.18 |
+26:29:29.1 |
HIP 54685 |
23.98 |
| 2026-10-03 12:00 |
11:13:04.29 |
+26:28:53.9 |
HIP 54685 |
27.92 |
| 2026-10-04 00:00 |
11:13:30.36 |
+26:28:19.3 |
HIP 54965 |
24.71 |
| 2026-10-04 12:00 |
11:13:56.38 |
+26:27:45.5 |
HIP 54965 |
18.86 |
| 2026-10-05 00:00 |
11:14:22.36 |
+26:27:12.4 |
HIP 54965 |
13.04 |
| 2026-10-05 12:00 |
11:14:48.29 |
+26:26:40.1 |
HIP 54965 |
7.24 |
| 2026-10-06 00:00 |
11:15:14.18 |
+26:26:08.5 |
HIP 54965 |
1.67 |
| 2026-10-06 12:00 |
11:15:40.02 |
+26:25:37.6 |
HIP 54965 |
4.56 |
| 2026-10-07 00:00 |
11:16:05.82 |
+26:25:07.5 |
HIP 55077 |
6.61 |
| 2026-10-07 12:00 |
11:16:31.57 |
+26:24:38.2 |
HIP 55077 |
3.07 |
| 2026-10-08 00:00 |
11:16:57.27 |
+26:24:09.7 |
HIP 55077 |
6.47 |
| 2026-10-08 12:00 |
11:17:22.92 |
+26:23:41.9 |
HIP 55077 |
11.86 |
| 2026-10-09 00:00 |
11:17:48.53 |
+26:23:14.9 |
HIP 55077 |
17.48 |
| 2026-10-09 12:00 |
11:18:14.08 |
+26:22:48.8 |
HIP 55077 |
23.14 |
| 2026-10-10 00:00 |
11:18:39.58 |
+26:22:23.4 |
HIP 55077 |
28.83 |
| 2026-10-10 12:00 |
11:19:05.03 |
+26:21:58.8 |
HIP 55320 |
32.13 |
| 2026-10-11 00:00 |
11:19:30.43 |
+26:21:35.0 |
HIP 55320 |
31.54 |