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) |
| 2026-09-20 00:00 |
06:32:16.77 |
+27:33:08.8 |
HIP 31319 |
23.98 |
| 2026-09-20 12:00 |
06:32:17.43 |
+27:33:16.6 |
HIP 31319 |
23.83 |
| 2026-09-21 00:00 |
06:32:18.04 |
+27:33:24.6 |
HIP 31319 |
23.69 |
| 2026-09-21 12:00 |
06:32:18.63 |
+27:33:32.5 |
HIP 31319 |
23.56 |
| 2026-09-22 00:00 |
06:32:19.19 |
+27:33:40.5 |
HIP 31319 |
23.44 |
| 2026-09-22 12:00 |
06:32:19.72 |
+27:33:48.5 |
HIP 31319 |
23.33 |
| 2026-09-23 00:00 |
06:32:20.22 |
+27:33:56.5 |
HIP 31319 |
23.22 |
| 2026-09-23 12:00 |
06:32:20.68 |
+27:34:04.6 |
HIP 31319 |
23.12 |
| 2026-09-24 00:00 |
06:32:21.12 |
+27:34:12.6 |
HIP 31319 |
23.03 |
| 2026-09-24 12:00 |
06:32:21.52 |
+27:34:20.8 |
HIP 31319 |
22.95 |
| 2026-09-25 00:00 |
06:32:21.89 |
+27:34:28.9 |
HIP 31319 |
22.87 |
| 2026-09-25 12:00 |
06:32:22.23 |
+27:34:37.1 |
HIP 31319 |
22.80 |
| 2026-09-26 00:00 |
06:32:22.54 |
+27:34:45.3 |
HIP 31319 |
22.74 |
| 2026-09-26 12:00 |
06:32:22.82 |
+27:34:53.5 |
HIP 31319 |
22.69 |
| 2026-09-27 00:00 |
06:32:23.07 |
+27:35:01.8 |
HIP 31319 |
22.64 |
| 2026-09-27 12:00 |
06:32:23.29 |
+27:35:10.1 |
HIP 31319 |
22.61 |
| 2026-09-28 00:00 |
06:32:23.47 |
+27:35:18.4 |
HIP 31319 |
22.58 |
| 2026-09-28 12:00 |
06:32:23.63 |
+27:35:26.8 |
HIP 31319 |
22.56 |
| 2026-09-29 00:00 |
06:32:23.75 |
+27:35:35.2 |
HIP 31319 |
22.54 |
| 2026-09-29 12:00 |
06:32:23.84 |
+27:35:43.6 |
HIP 31319 |
22.54 |
| 2026-09-30 00:00 |
06:32:23.90 |
+27:35:52.0 |
HIP 31319 |
22.54 |
| 2026-09-30 12:00 |
06:32:23.93 |
+27:36:00.5 |
HIP 31319 |
22.55 |
| 2026-10-01 00:00 |
06:32:23.92 |
+27:36:09.0 |
HIP 31319 |
22.57 |
| 2026-10-01 12:00 |
06:32:23.89 |
+27:36:17.5 |
HIP 31319 |
22.59 |
| 2026-10-02 00:00 |
06:32:23.82 |
+27:36:26.0 |
HIP 31319 |
22.63 |
| 2026-10-02 12:00 |
06:32:23.72 |
+27:36:34.6 |
HIP 31319 |
22.67 |
| 2026-10-03 00:00 |
06:32:23.59 |
+27:36:43.2 |
HIP 31319 |
22.72 |
| 2026-10-03 12:00 |
06:32:23.43 |
+27:36:51.8 |
HIP 31319 |
22.78 |
| 2026-10-04 00:00 |
06:32:23.24 |
+27:37:00.4 |
HIP 31319 |
22.84 |
| 2026-10-04 12:00 |
06:32:23.01 |
+27:37:09.1 |
HIP 31319 |
22.92 |
| 2026-10-05 00:00 |
06:32:22.75 |
+27:37:17.8 |
HIP 31319 |
23.00 |
| 2026-10-05 12:00 |
06:32:22.46 |
+27:37:26.5 |
HIP 31319 |
23.09 |
| 2026-10-06 00:00 |
06:32:22.14 |
+27:37:35.3 |
HIP 31319 |
23.18 |
| 2026-10-06 12:00 |
06:32:21.78 |
+27:37:44.0 |
HIP 31319 |
23.29 |
| 2026-10-07 00:00 |
06:32:21.40 |
+27:37:52.8 |
HIP 31319 |
23.40 |
| 2026-10-07 12:00 |
06:32:20.98 |
+27:38:01.6 |
HIP 31319 |
23.52 |
| 2026-10-08 00:00 |
06:32:20.53 |
+27:38:10.5 |
HIP 31319 |
23.65 |
| 2026-10-08 12:00 |
06:32:20.05 |
+27:38:19.3 |
HIP 31319 |
23.78 |
| 2026-10-09 00:00 |
06:32:19.53 |
+27:38:28.2 |
HIP 31319 |
23.92 |
| 2026-10-09 12:00 |
06:32:18.99 |
+27:38:37.1 |
HIP 31319 |
24.07 |
| 2026-10-10 00:00 |
06:32:18.41 |
+27:38:46.1 |
HIP 31319 |
24.23 |
| 2026-10-10 12:00 |
06:32:17.80 |
+27:38:55.0 |
HIP 31319 |
24.40 |
| 2026-10-11 00:00 |
06:32:17.15 |
+27:39:04.0 |
HIP 31319 |
24.57 |