메타데이터
| 항목 |
값 |
| Designation |
C/2006 O2 (Garradd) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2006-10-05T09:45:32.495040Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:58Z |
| Obs used |
84 |
| NEO |
- |
| M1 |
15.200 |
| K1 |
5.750 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2006-09-06.0000000 |
| e |
0.99635182 |
| q (au) |
1.554794 |
| a (au) |
426.184127 |
| i (deg) |
43.028733 |
| Ω (om, deg) |
283.358310 |
| ω (w, deg) |
19.984383 |
| M (ma, deg) |
359.996706 |
밝기
산란 + 전체 선형
$$
M_a = (15.817 + 3.338\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
15.817 |
| n |
3.338 |
| gf |
1.000 |
| gb |
-1.000 |
| k |
0.800 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-05-12 00:00 |
06:45:54.09 |
+24:43:25.5 |
HIP 32369 |
7.60 |
| 2026-05-12 12:00 |
06:45:56.28 |
+24:43:20.7 |
HIP 32369 |
8.02 |
| 2026-05-13 00:00 |
06:45:58.49 |
+24:43:15.9 |
HIP 32369 |
8.47 |
| 2026-05-13 12:00 |
06:46:00.73 |
+24:43:11.1 |
HIP 32369 |
8.92 |
| 2026-05-14 00:00 |
06:46:02.98 |
+24:43:06.3 |
HIP 32369 |
9.38 |
| 2026-05-14 12:00 |
06:46:05.25 |
+24:43:01.5 |
HIP 32369 |
9.85 |
| 2026-05-15 00:00 |
06:46:07.54 |
+24:42:56.7 |
HIP 32369 |
10.33 |
| 2026-05-15 12:00 |
06:46:09.85 |
+24:42:51.8 |
HIP 32369 |
10.82 |
| 2026-05-16 00:00 |
06:46:12.18 |
+24:42:47.0 |
HIP 32369 |
11.32 |
| 2026-05-16 12:00 |
06:46:14.53 |
+24:42:42.1 |
HIP 32369 |
11.83 |
| 2026-05-17 00:00 |
06:46:16.90 |
+24:42:37.2 |
HIP 32369 |
12.34 |
| 2026-05-17 12:00 |
06:46:19.28 |
+24:42:32.3 |
HIP 32369 |
12.86 |
| 2026-05-18 00:00 |
06:46:21.69 |
+24:42:27.4 |
HIP 32369 |
13.38 |
| 2026-05-18 12:00 |
06:46:24.11 |
+24:42:22.4 |
HIP 32369 |
13.91 |
| 2026-05-19 00:00 |
06:46:26.55 |
+24:42:17.5 |
HIP 32527 |
13.59 |
| 2026-05-19 12:00 |
06:46:29.00 |
+24:42:12.5 |
HIP 32527 |
13.19 |
| 2026-05-20 00:00 |
06:46:31.48 |
+24:42:07.5 |
HIP 32527 |
12.80 |
| 2026-05-20 12:00 |
06:46:33.97 |
+24:42:02.6 |
HIP 32527 |
12.42 |
| 2026-05-21 00:00 |
06:46:36.48 |
+24:41:57.6 |
HIP 32527 |
12.05 |
| 2026-05-21 12:00 |
06:46:39.01 |
+24:41:52.5 |
HIP 32527 |
11.70 |
| 2026-05-22 00:00 |
06:46:41.55 |
+24:41:47.5 |
HIP 32527 |
11.36 |
| 2026-05-22 12:00 |
06:46:44.11 |
+24:41:42.5 |
HIP 32527 |
11.04 |
| 2026-05-23 00:00 |
06:46:46.69 |
+24:41:37.4 |
HIP 32527 |
10.74 |
| 2026-05-23 12:00 |
06:46:49.28 |
+24:41:32.4 |
HIP 32527 |
10.47 |
| 2026-05-24 00:00 |
06:46:51.89 |
+24:41:27.3 |
HIP 32527 |
10.22 |
| 2026-05-24 12:00 |
06:46:54.51 |
+24:41:22.2 |
HIP 32527 |
10.00 |
| 2026-05-25 00:00 |
06:46:57.15 |
+24:41:17.2 |
HIP 32527 |
9.81 |
| 2026-05-25 12:00 |
06:46:59.81 |
+24:41:12.1 |
HIP 32527 |
9.65 |
| 2026-05-26 00:00 |
06:47:02.48 |
+24:41:06.9 |
HIP 32527 |
9.53 |
| 2026-05-26 12:00 |
06:47:05.16 |
+24:41:01.8 |
HIP 32527 |
9.44 |
| 2026-05-27 00:00 |
06:47:07.86 |
+24:40:56.7 |
HIP 32527 |
9.40 |
| 2026-05-27 12:00 |
06:47:10.58 |
+24:40:51.5 |
HIP 32527 |
9.39 |
| 2026-05-28 00:00 |
06:47:13.31 |
+24:40:46.4 |
HIP 32527 |
9.43 |
| 2026-05-28 12:00 |
06:47:16.05 |
+24:40:41.2 |
HIP 32527 |
9.50 |
| 2026-05-29 00:00 |
06:47:18.81 |
+24:40:36.1 |
HIP 32527 |
9.62 |
| 2026-05-29 12:00 |
06:47:21.58 |
+24:40:30.9 |
HIP 32527 |
9.78 |
| 2026-05-30 00:00 |
06:47:24.37 |
+24:40:25.7 |
HIP 32527 |
9.98 |
| 2026-05-30 12:00 |
06:47:27.17 |
+24:40:20.5 |
HIP 32527 |
10.21 |
| 2026-05-31 00:00 |
06:47:29.98 |
+24:40:15.3 |
HIP 32527 |
10.48 |
| 2026-05-31 12:00 |
06:47:32.81 |
+24:40:10.1 |
HIP 32527 |
10.78 |
| 2026-06-01 00:00 |
06:47:35.65 |
+24:40:04.9 |
HIP 32527 |
11.12 |
| 2026-06-01 12:00 |
06:47:38.50 |
+24:39:59.7 |
HIP 32527 |
11.48 |
| 2026-06-02 00:00 |
06:47:41.36 |
+24:39:54.4 |
HIP 32527 |
11.87 |