메타데이터
| 항목 |
값 |
| Designation |
C/2011 Q1 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2011-06-29T10:55:01.718400Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:54Z |
| Obs used |
59 |
| NEO |
- |
| M1 |
7.500 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2011-09-21.0000000 |
| e |
0.99791265 |
| q (au) |
6.780085 |
| a (au) |
3248.185456 |
| i (deg) |
94.862014 |
| Ω (om, deg) |
142.243907 |
| ω (w, deg) |
135.926448 |
| M (ma, deg) |
0.000445 |
밝기
산란 + 전체 선형
$$
M_a = (2.217 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
2.217 |
| n |
6.000 |
| gf |
0.994 |
| gb |
-0.711 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
04:09:03.63 |
-74:09:18.6 |
HIP 19671 |
28.69 |
| 2026-06-01 12:00 |
04:09:20.11 |
-74:09:24.5 |
HIP 19671 |
28.16 |
| 2026-06-02 00:00 |
04:09:36.57 |
-74:09:30.9 |
HIP 19671 |
27.69 |
| 2026-06-02 12:00 |
04:09:53.02 |
-74:09:37.8 |
HIP 19671 |
27.25 |
| 2026-06-03 00:00 |
04:10:09.45 |
-74:09:45.0 |
HIP 19671 |
26.87 |
| 2026-06-03 12:00 |
04:10:25.88 |
-74:09:52.7 |
HIP 19671 |
26.54 |
| 2026-06-04 00:00 |
04:10:42.29 |
-74:10:00.9 |
HIP 19671 |
26.26 |
| 2026-06-04 12:00 |
04:10:58.69 |
-74:10:09.4 |
HIP 19671 |
26.03 |
| 2026-06-05 00:00 |
04:11:15.07 |
-74:10:18.4 |
HIP 19671 |
25.87 |
| 2026-06-05 12:00 |
04:11:31.44 |
-74:10:27.8 |
HIP 19671 |
25.75 |
| 2026-06-06 00:00 |
04:11:47.79 |
-74:10:37.6 |
HIP 19671 |
25.70 |
| 2026-06-06 12:00 |
04:12:04.13 |
-74:10:47.9 |
HIP 19671 |
25.70 |
| 2026-06-07 00:00 |
04:12:20.45 |
-74:10:58.6 |
HIP 19671 |
25.76 |
| 2026-06-07 12:00 |
04:12:36.75 |
-74:11:09.7 |
HIP 19671 |
25.88 |
| 2026-06-08 00:00 |
04:12:53.04 |
-74:11:21.3 |
HIP 19671 |
26.05 |
| 2026-06-08 12:00 |
04:13:09.30 |
-74:11:33.3 |
HIP 19671 |
26.28 |
| 2026-06-09 00:00 |
04:13:25.55 |
-74:11:45.7 |
HIP 19671 |
26.57 |
| 2026-06-09 12:00 |
04:13:41.78 |
-74:11:58.5 |
HIP 19671 |
26.90 |
| 2026-06-10 00:00 |
04:13:57.98 |
-74:12:11.7 |
HIP 19671 |
27.29 |
| 2026-06-10 12:00 |
04:14:14.17 |
-74:12:25.4 |
HIP 19671 |
27.72 |
| 2026-06-11 00:00 |
04:14:30.33 |
-74:12:39.5 |
HIP 19671 |
28.20 |
| 2026-06-11 12:00 |
04:14:46.47 |
-74:12:54.0 |
HIP 19671 |
28.73 |
| 2026-06-12 00:00 |
04:15:02.58 |
-74:13:09.0 |
HIP 19671 |
29.29 |
| 2026-06-12 12:00 |
04:15:18.67 |
-74:13:24.4 |
HIP 19671 |
29.89 |
| 2026-06-13 00:00 |
04:15:34.74 |
-74:13:40.2 |
HIP 19671 |
30.53 |
| 2026-06-13 12:00 |
04:15:50.78 |
-74:13:56.4 |
HIP 19671 |
31.21 |
| 2026-06-14 00:00 |
04:16:06.79 |
-74:14:13.0 |
HIP 19671 |
31.91 |
| 2026-06-14 12:00 |
04:16:22.78 |
-74:14:30.1 |
HIP 19671 |
32.65 |
| 2026-06-15 00:00 |
04:16:38.74 |
-74:14:47.5 |
HIP 19671 |
33.41 |
| 2026-06-15 12:00 |
04:16:54.66 |
-74:15:05.4 |
HIP 19671 |
34.20 |
| 2026-06-16 00:00 |
04:17:10.56 |
-74:15:23.7 |
HIP 20592 |
33.74 |
| 2026-06-16 12:00 |
04:17:26.43 |
-74:15:42.4 |
HIP 20592 |
32.65 |
| 2026-06-17 00:00 |
04:17:42.27 |
-74:16:01.6 |
HIP 20592 |
31.55 |
| 2026-06-17 12:00 |
04:17:58.07 |
-74:16:21.1 |
HIP 20592 |
30.45 |
| 2026-06-18 00:00 |
04:18:13.84 |
-74:16:41.0 |
HIP 20592 |
29.35 |
| 2026-06-18 12:00 |
04:18:29.58 |
-74:17:01.4 |
HIP 20592 |
28.26 |
| 2026-06-19 00:00 |
04:18:45.29 |
-74:17:22.2 |
HIP 20592 |
27.16 |
| 2026-06-19 12:00 |
04:19:00.95 |
-74:17:43.3 |
HIP 20592 |
26.07 |
| 2026-06-20 00:00 |
04:19:16.59 |
-74:18:04.9 |
HIP 20592 |
24.97 |
| 2026-06-20 12:00 |
04:19:32.18 |
-74:18:26.9 |
HIP 20592 |
23.88 |
| 2026-06-21 00:00 |
04:19:47.74 |
-74:18:49.3 |
HIP 20592 |
22.79 |
| 2026-06-21 12:00 |
04:20:03.27 |
-74:19:12.1 |
HIP 20592 |
21.69 |
| 2026-06-22 00:00 |
04:20:18.75 |
-74:19:35.2 |
HIP 20592 |
20.60 |