메타데이터
| 항목 |
값 |
| Designation |
C/2013 G3 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2014-11-15T04:36:22.164480Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:32:32Z |
| Obs used |
902 |
| NEO |
- |
| M1 |
7.100 |
| K1 |
12.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2014-06-16.0000000 |
| e |
1.00046366 |
| q (au) |
3.852198 |
| a (au) |
-8308.154934 |
| i (deg) |
64.671516 |
| Ω (om, deg) |
208.130504 |
| ω (w, deg) |
76.495501 |
| M (ma, deg) |
-0.000198 |
밝기
산란 + 전체 선형
$$
M_a = (6.310 + 4.874\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
6.310 |
| n |
4.874 |
| gf |
0.999 |
| gb |
-0.824 |
| 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 |
03:15:30.44 |
-09:27:12.8 |
HIP 15084 |
19.94 |
| 2026-06-01 12:00 |
03:15:34.91 |
-09:27:13.4 |
HIP 15084 |
20.73 |
| 2026-06-02 00:00 |
03:15:39.36 |
-09:27:14.3 |
HIP 15084 |
21.54 |
| 2026-06-02 12:00 |
03:15:43.80 |
-09:27:15.5 |
HIP 15244 |
22.08 |
| 2026-06-03 00:00 |
03:15:48.23 |
-09:27:16.9 |
HIP 15244 |
21.48 |
| 2026-06-03 12:00 |
03:15:52.64 |
-09:27:18.7 |
HIP 15244 |
20.93 |
| 2026-06-04 00:00 |
03:15:57.05 |
-09:27:20.8 |
HIP 15244 |
20.43 |
| 2026-06-04 12:00 |
03:16:01.44 |
-09:27:23.1 |
HIP 15244 |
19.98 |
| 2026-06-05 00:00 |
03:16:05.81 |
-09:27:25.7 |
HIP 15244 |
19.59 |
| 2026-06-05 12:00 |
03:16:10.17 |
-09:27:28.6 |
HIP 15244 |
19.26 |
| 2026-06-06 00:00 |
03:16:14.52 |
-09:27:31.8 |
HIP 15244 |
18.98 |
| 2026-06-06 12:00 |
03:16:18.86 |
-09:27:35.3 |
HIP 15244 |
18.77 |
| 2026-06-07 00:00 |
03:16:23.18 |
-09:27:39.1 |
HIP 15244 |
18.63 |
| 2026-06-07 12:00 |
03:16:27.49 |
-09:27:43.1 |
HIP 15244 |
18.55 |
| 2026-06-08 00:00 |
03:16:31.78 |
-09:27:47.5 |
HIP 15244 |
18.53 |
| 2026-06-08 12:00 |
03:16:36.06 |
-09:27:52.1 |
HIP 15244 |
18.58 |
| 2026-06-09 00:00 |
03:16:40.32 |
-09:27:57.0 |
HIP 15244 |
18.70 |
| 2026-06-09 12:00 |
03:16:44.57 |
-09:28:02.2 |
HIP 15244 |
18.88 |
| 2026-06-10 00:00 |
03:16:48.80 |
-09:28:07.8 |
HIP 15244 |
19.12 |
| 2026-06-10 12:00 |
03:16:53.01 |
-09:28:13.6 |
HIP 15244 |
19.41 |
| 2026-06-11 00:00 |
03:16:57.21 |
-09:28:19.6 |
HIP 15244 |
19.76 |
| 2026-06-11 12:00 |
03:17:01.39 |
-09:28:26.0 |
HIP 15244 |
20.17 |
| 2026-06-12 00:00 |
03:17:05.56 |
-09:28:32.7 |
HIP 15244 |
20.62 |
| 2026-06-12 12:00 |
03:17:09.71 |
-09:28:39.7 |
HIP 15244 |
21.11 |
| 2026-06-13 00:00 |
03:17:13.84 |
-09:28:46.9 |
HIP 15244 |
21.64 |
| 2026-06-13 12:00 |
03:17:17.95 |
-09:28:54.5 |
HIP 15378 |
21.37 |
| 2026-06-14 00:00 |
03:17:22.05 |
-09:29:02.3 |
HIP 15378 |
20.57 |
| 2026-06-14 12:00 |
03:17:26.13 |
-09:29:10.4 |
HIP 15378 |
19.79 |
| 2026-06-15 00:00 |
03:17:30.19 |
-09:29:18.9 |
HIP 15378 |
19.03 |
| 2026-06-15 12:00 |
03:17:34.23 |
-09:29:27.6 |
HIP 15378 |
18.29 |
| 2026-06-16 00:00 |
03:17:38.25 |
-09:29:36.6 |
HIP 15378 |
17.57 |
| 2026-06-16 12:00 |
03:17:42.25 |
-09:29:45.9 |
HIP 15378 |
16.89 |
| 2026-06-17 00:00 |
03:17:46.23 |
-09:29:55.5 |
HIP 15378 |
16.23 |
| 2026-06-17 12:00 |
03:17:50.20 |
-09:30:05.4 |
HIP 15378 |
15.61 |
| 2026-06-18 00:00 |
03:17:54.14 |
-09:30:15.5 |
HIP 15378 |
15.03 |
| 2026-06-18 12:00 |
03:17:58.07 |
-09:30:26.0 |
HIP 15378 |
14.49 |
| 2026-06-19 00:00 |
03:18:01.97 |
-09:30:36.8 |
HIP 15378 |
13.99 |
| 2026-06-19 12:00 |
03:18:05.85 |
-09:30:47.8 |
HIP 15378 |
13.54 |
| 2026-06-20 00:00 |
03:18:09.71 |
-09:30:59.1 |
HIP 15378 |
13.14 |
| 2026-06-20 12:00 |
03:18:13.55 |
-09:31:10.7 |
HIP 15378 |
12.81 |
| 2026-06-21 00:00 |
03:18:17.37 |
-09:31:22.7 |
HIP 15378 |
12.53 |
| 2026-06-21 12:00 |
03:18:21.17 |
-09:31:34.9 |
HIP 15378 |
12.32 |
| 2026-06-22 00:00 |
03:18:24.94 |
-09:31:47.3 |
HIP 15378 |
12.17 |