메타데이터
| 항목 |
값 |
| Designation |
C/2006 E1 (McNaught) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2007-01-06T09:04:34.311360Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:56Z |
| Obs used |
143 |
| NEO |
- |
| M1 |
10.500 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2006-09-30.0000000 |
| e |
1.00112179 |
| q (au) |
6.040609 |
| a (au) |
-5384.803014 |
| i (deg) |
83.194197 |
| Ω (om, deg) |
95.035389 |
| ω (w, deg) |
232.766977 |
| M (ma, deg) |
-0.000245 |
밝기
산란 + 전체 선형
$$
M_a = (1.757 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
1.757 |
| n |
6.000 |
| gf |
0.999 |
| gb |
-1.000 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-07-29 00:00 |
06:28:38.06 |
+27:22:26.3 |
HIP 30823 |
15.69 |
| 2026-07-29 12:00 |
06:28:41.22 |
+27:22:30.6 |
HIP 30823 |
15.70 |
| 2026-07-30 00:00 |
06:28:44.36 |
+27:22:34.9 |
HIP 30823 |
15.73 |
| 2026-07-30 12:00 |
06:28:47.49 |
+27:22:39.3 |
HIP 30823 |
15.79 |
| 2026-07-31 00:00 |
06:28:50.60 |
+27:22:43.7 |
HIP 30823 |
15.89 |
| 2026-07-31 12:00 |
06:28:53.70 |
+27:22:48.1 |
HIP 30823 |
16.01 |
| 2026-08-01 00:00 |
06:28:56.79 |
+27:22:52.5 |
HIP 30823 |
16.15 |
| 2026-08-01 12:00 |
06:28:59.85 |
+27:22:57.0 |
HIP 30823 |
16.33 |
| 2026-08-02 00:00 |
06:29:02.91 |
+27:23:01.5 |
HIP 30823 |
16.52 |
| 2026-08-02 12:00 |
06:29:05.94 |
+27:23:06.1 |
HIP 30823 |
16.75 |
| 2026-08-03 00:00 |
06:29:08.96 |
+27:23:10.7 |
HIP 30934 |
16.89 |
| 2026-08-03 12:00 |
06:29:11.97 |
+27:23:15.3 |
HIP 30934 |
16.62 |
| 2026-08-04 00:00 |
06:29:14.96 |
+27:23:19.9 |
HIP 30934 |
16.38 |
| 2026-08-04 12:00 |
06:29:17.93 |
+27:23:24.6 |
HIP 30934 |
16.16 |
| 2026-08-05 00:00 |
06:29:20.88 |
+27:23:29.3 |
HIP 30934 |
15.97 |
| 2026-08-05 12:00 |
06:29:23.82 |
+27:23:34.1 |
HIP 30934 |
15.80 |
| 2026-08-06 00:00 |
06:29:26.74 |
+27:23:38.8 |
HIP 30934 |
15.66 |
| 2026-08-06 12:00 |
06:29:29.65 |
+27:23:43.6 |
HIP 30934 |
15.54 |
| 2026-08-07 00:00 |
06:29:32.53 |
+27:23:48.5 |
HIP 30934 |
15.45 |
| 2026-08-07 12:00 |
06:29:35.40 |
+27:23:53.3 |
HIP 30934 |
15.38 |
| 2026-08-08 00:00 |
06:29:38.25 |
+27:23:58.3 |
HIP 30934 |
15.34 |
| 2026-08-08 12:00 |
06:29:41.08 |
+27:24:03.2 |
HIP 30934 |
15.33 |
| 2026-08-09 00:00 |
06:29:43.90 |
+27:24:08.2 |
HIP 30934 |
15.34 |
| 2026-08-09 12:00 |
06:29:46.69 |
+27:24:13.2 |
HIP 30934 |
15.37 |
| 2026-08-10 00:00 |
06:29:49.47 |
+27:24:18.2 |
HIP 30934 |
15.43 |
| 2026-08-10 12:00 |
06:29:52.23 |
+27:24:23.3 |
HIP 30934 |
15.51 |
| 2026-08-11 00:00 |
06:29:54.97 |
+27:24:28.4 |
HIP 30934 |
15.62 |
| 2026-08-11 12:00 |
06:29:57.69 |
+27:24:33.5 |
HIP 30934 |
15.74 |
| 2026-08-12 00:00 |
06:30:00.38 |
+27:24:38.7 |
HIP 30934 |
15.88 |
| 2026-08-12 12:00 |
06:30:03.06 |
+27:24:43.9 |
HIP 30934 |
16.05 |
| 2026-08-13 00:00 |
06:30:05.72 |
+27:24:49.1 |
HIP 30934 |
16.23 |
| 2026-08-13 12:00 |
06:30:08.36 |
+27:24:54.4 |
HIP 30934 |
16.43 |
| 2026-08-14 00:00 |
06:30:10.98 |
+27:24:59.7 |
HIP 30934 |
16.64 |
| 2026-08-14 12:00 |
06:30:13.58 |
+27:25:05.1 |
HIP 30934 |
16.87 |
| 2026-08-15 00:00 |
06:30:16.16 |
+27:25:10.4 |
HIP 30934 |
17.11 |
| 2026-08-15 12:00 |
06:30:18.71 |
+27:25:15.8 |
HIP 30934 |
17.37 |
| 2026-08-16 00:00 |
06:30:21.25 |
+27:25:21.3 |
HIP 30934 |
17.64 |
| 2026-08-16 12:00 |
06:30:23.76 |
+27:25:26.8 |
HIP 30934 |
17.92 |
| 2026-08-17 00:00 |
06:30:26.25 |
+27:25:32.3 |
HIP 30934 |
18.20 |
| 2026-08-17 12:00 |
06:30:28.72 |
+27:25:37.8 |
HIP 30934 |
18.50 |
| 2026-08-18 00:00 |
06:30:31.17 |
+27:25:43.4 |
HIP 30934 |
18.80 |
| 2026-08-18 12:00 |
06:30:33.60 |
+27:25:49.0 |
HIP 30934 |
19.11 |
| 2026-08-19 00:00 |
06:30:36.00 |
+27:25:54.7 |
HIP 30934 |
19.43 |