메타데이터
| 항목 |
값 |
| Designation |
C/2006 Q1 (McNaught) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2008-07-03T20:33:15.033600Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:00Z |
| Obs used |
2710 |
| NEO |
- |
| M1 |
9.300 |
| K1 |
4.750 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2009-02-17.0000000 |
| e |
0.99960042 |
| q (au) |
2.763713 |
| a (au) |
6916.474116 |
| i (deg) |
59.050363 |
| Ω (om, deg) |
199.547074 |
| ω (w, deg) |
344.381853 |
| M (ma, deg) |
0.000391 |
밝기
산란 + 전체 선형
$$
M_a = (10.125 + 2.335\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
10.125 |
| n |
2.335 |
| gf |
0.943 |
| gb |
-0.656 |
| k |
0.906 |
| δ90 |
6.533 |
| 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
잔차 (구간 선형)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| 시작일 (UTC) |
끝 (UTC) |
a |
b |
| 2006-08-20 |
2008-01-29 |
+0.9412 |
-1.227 |
| 2008-01-29 |
2008-07-01 |
-6.8432 |
+2.139 |
| 2008-07-03 |
2009-07-06 |
+2.3103 |
-1.470 |
| 2009-07-06 |
2010-10-17 |
+3.1514 |
-2.364 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-03-26 00:00 |
22:18:08.19 |
+31:19:02.4 |
HIP 110080 |
10.97 |
| 2026-03-26 12:00 |
22:18:11.44 |
+31:19:29.7 |
HIP 110080 |
10.80 |
| 2026-03-27 00:00 |
22:18:14.68 |
+31:19:57.2 |
HIP 110080 |
10.69 |
| 2026-03-27 12:00 |
22:18:17.90 |
+31:20:24.8 |
HIP 110080 |
10.64 |
| 2026-03-28 00:00 |
22:18:21.10 |
+31:20:52.6 |
HIP 110080 |
10.65 |
| 2026-03-28 12:00 |
22:18:24.29 |
+31:21:20.5 |
HIP 110080 |
10.71 |
| 2026-03-29 00:00 |
22:18:27.46 |
+31:21:48.6 |
HIP 110080 |
10.84 |
| 2026-03-29 12:00 |
22:18:30.62 |
+31:22:16.9 |
HIP 110080 |
11.02 |
| 2026-03-30 00:00 |
22:18:33.75 |
+31:22:45.3 |
HIP 110080 |
11.25 |
| 2026-03-30 12:00 |
22:18:36.87 |
+31:23:13.9 |
HIP 110080 |
11.53 |
| 2026-03-31 00:00 |
22:18:39.97 |
+31:23:42.6 |
HIP 110080 |
11.86 |
| 2026-03-31 12:00 |
22:18:43.05 |
+31:24:11.5 |
HIP 110080 |
12.23 |
| 2026-04-01 00:00 |
22:18:46.12 |
+31:24:40.6 |
HIP 110080 |
12.64 |
| 2026-04-01 12:00 |
22:18:49.16 |
+31:25:09.7 |
HIP 110080 |
13.07 |
| 2026-04-02 00:00 |
22:18:52.19 |
+31:25:39.0 |
HIP 110080 |
13.54 |
| 2026-04-02 12:00 |
22:18:55.20 |
+31:26:08.5 |
HIP 110080 |
14.04 |
| 2026-04-03 00:00 |
22:18:58.19 |
+31:26:38.1 |
HIP 110080 |
14.56 |
| 2026-04-03 12:00 |
22:19:01.16 |
+31:27:07.9 |
HIP 110080 |
15.10 |
| 2026-04-04 00:00 |
22:19:04.11 |
+31:27:37.7 |
HIP 110080 |
15.66 |
| 2026-04-04 12:00 |
22:19:07.05 |
+31:28:07.7 |
HIP 110080 |
16.23 |
| 2026-04-05 00:00 |
22:19:09.96 |
+31:28:37.9 |
HIP 110080 |
16.82 |
| 2026-04-05 12:00 |
22:19:12.85 |
+31:29:08.2 |
HIP 110080 |
17.42 |
| 2026-04-06 00:00 |
22:19:15.73 |
+31:29:38.6 |
HIP 110080 |
18.03 |
| 2026-04-06 12:00 |
22:19:18.58 |
+31:30:09.1 |
HIP 110080 |
18.65 |
| 2026-04-07 00:00 |
22:19:21.41 |
+31:30:39.7 |
HIP 110080 |
19.28 |
| 2026-04-07 12:00 |
22:19:24.23 |
+31:31:10.5 |
HIP 110080 |
19.92 |
| 2026-04-08 00:00 |
22:19:27.02 |
+31:31:41.4 |
HIP 110080 |
20.56 |
| 2026-04-08 12:00 |
22:19:29.79 |
+31:32:12.4 |
HIP 110080 |
21.21 |
| 2026-04-09 00:00 |
22:19:32.54 |
+31:32:43.6 |
HIP 110080 |
21.86 |
| 2026-04-09 12:00 |
22:19:35.27 |
+31:33:14.8 |
HIP 110080 |
22.52 |
| 2026-04-10 00:00 |
22:19:37.98 |
+31:33:46.2 |
HIP 110080 |
23.18 |
| 2026-04-10 12:00 |
22:19:40.66 |
+31:34:17.6 |
HIP 110353 |
23.37 |
| 2026-04-11 00:00 |
22:19:43.33 |
+31:34:49.2 |
HIP 110353 |
23.31 |
| 2026-04-11 12:00 |
22:19:45.97 |
+31:35:20.9 |
HIP 110353 |
23.29 |
| 2026-04-12 00:00 |
22:19:48.59 |
+31:35:52.7 |
HIP 110353 |
23.29 |
| 2026-04-12 12:00 |
22:19:51.19 |
+31:36:24.6 |
HIP 110353 |
23.33 |
| 2026-04-13 00:00 |
22:19:53.76 |
+31:36:56.5 |
HIP 110353 |
23.39 |
| 2026-04-13 12:00 |
22:19:56.32 |
+31:37:28.6 |
HIP 110353 |
23.49 |
| 2026-04-14 00:00 |
22:19:58.85 |
+31:38:00.8 |
HIP 110353 |
23.61 |
| 2026-04-14 12:00 |
22:20:01.36 |
+31:38:33.1 |
HIP 110353 |
23.76 |
| 2026-04-15 00:00 |
22:20:03.84 |
+31:39:05.4 |
HIP 110353 |
23.94 |
| 2026-04-15 12:00 |
22:20:06.30 |
+31:39:37.9 |
HIP 110353 |
24.14 |
| 2026-04-16 00:00 |
22:20:08.74 |
+31:40:10.4 |
HIP 110353 |
24.37 |