메타데이터
| 항목 |
값 |
| Designation |
P/2019 T6 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2019-11-07T18:13:43.798080Z |
| Orbit solution date (soln_date, UTC) |
2021-05-31T22:43:04Z |
| Obs used |
229 |
| NEO |
- |
| M1 |
17.200 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2019-10-08T11:16:09.120000Z |
| Discovery magnitude (MPC) |
19.60 i |
| Discovery observatory (MPC) |
F52 · Pan-STARRS 2, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2019-11-12.0000000 |
| e |
0.62222327 |
| q (au) |
2.051927 |
| a (au) |
5.431587 |
| i (deg) |
18.697018 |
| Ω (om, deg) |
71.310948 |
| ω (w, deg) |
328.909725 |
| M (ma, deg) |
0.330162 |
밝기
산란 + 전체 선형
$$
M_a = (16.257 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
16.257 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-1.000 |
| 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) |
| 2026-09-20 00:00 |
14:44:47.26 |
-07:55:28.2 |
HIP 72047 |
21.33 |
| 2026-09-20 12:00 |
14:44:57.76 |
-07:56:46.9 |
HIP 72218 |
20.79 |
| 2026-09-21 00:00 |
14:45:08.32 |
-07:58:05.6 |
HIP 72218 |
19.14 |
| 2026-09-21 12:00 |
14:45:18.94 |
-07:59:24.5 |
HIP 72218 |
17.80 |
| 2026-09-22 00:00 |
14:45:29.62 |
-08:00:43.4 |
HIP 72218 |
16.87 |
| 2026-09-22 12:00 |
14:45:40.36 |
-08:02:02.4 |
HIP 72218 |
16.42 |
| 2026-09-23 00:00 |
14:45:51.17 |
-08:03:21.4 |
HIP 72218 |
16.50 |
| 2026-09-23 12:00 |
14:46:02.03 |
-08:04:40.6 |
HIP 72218 |
17.10 |
| 2026-09-24 00:00 |
14:46:12.95 |
-08:05:59.7 |
HIP 72218 |
18.18 |
| 2026-09-24 12:00 |
14:46:23.94 |
-08:07:19.0 |
HIP 72218 |
19.67 |
| 2026-09-25 00:00 |
14:46:34.98 |
-08:08:38.2 |
HIP 72218 |
21.49 |
| 2026-09-25 12:00 |
14:46:46.08 |
-08:09:57.6 |
HIP 72218 |
23.57 |
| 2026-09-26 00:00 |
14:46:57.23 |
-08:11:17.0 |
HIP 72218 |
25.84 |
| 2026-09-26 12:00 |
14:47:08.45 |
-08:12:36.4 |
HIP 72218 |
28.28 |
| 2026-09-27 00:00 |
14:47:19.72 |
-08:13:55.9 |
HIP 72218 |
30.83 |
| 2026-09-27 12:00 |
14:47:31.05 |
-08:15:15.4 |
HIP 72496 |
32.00 |
| 2026-09-28 00:00 |
14:47:42.43 |
-08:16:34.9 |
HIP 72496 |
28.90 |
| 2026-09-28 12:00 |
14:47:53.87 |
-08:17:54.5 |
HIP 72496 |
25.78 |
| 2026-09-29 00:00 |
14:48:05.36 |
-08:19:14.1 |
HIP 72496 |
22.65 |
| 2026-09-29 12:00 |
14:48:16.91 |
-08:20:33.7 |
HIP 72496 |
19.51 |
| 2026-09-30 00:00 |
14:48:28.51 |
-08:21:53.4 |
HIP 72496 |
16.36 |
| 2026-09-30 12:00 |
14:48:40.17 |
-08:23:13.1 |
HIP 72496 |
13.21 |
| 2026-10-01 00:00 |
14:48:51.87 |
-08:24:32.8 |
HIP 72496 |
10.06 |
| 2026-10-01 12:00 |
14:49:03.63 |
-08:25:52.5 |
HIP 72496 |
6.93 |
| 2026-10-02 00:00 |
14:49:15.45 |
-08:27:12.2 |
HIP 72496 |
3.91 |
| 2026-10-02 12:00 |
14:49:27.31 |
-08:28:31.9 |
HIP 72496 |
1.79 |
| 2026-10-03 00:00 |
14:49:39.22 |
-08:29:51.7 |
HIP 72496 |
3.45 |
| 2026-10-03 12:00 |
14:49:51.19 |
-08:31:11.4 |
HIP 72496 |
6.46 |
| 2026-10-04 00:00 |
14:50:03.20 |
-08:32:31.2 |
HIP 72496 |
9.63 |
| 2026-10-04 12:00 |
14:50:15.27 |
-08:33:50.9 |
HIP 72496 |
12.85 |
| 2026-10-05 00:00 |
14:50:27.38 |
-08:35:10.7 |
HIP 72496 |
16.11 |
| 2026-10-05 12:00 |
14:50:39.55 |
-08:36:30.4 |
HIP 72496 |
19.38 |
| 2026-10-06 00:00 |
14:50:51.76 |
-08:37:50.1 |
HIP 72496 |
22.66 |
| 2026-10-06 12:00 |
14:51:04.02 |
-08:39:09.8 |
HIP 72496 |
25.96 |
| 2026-10-07 00:00 |
14:51:16.32 |
-08:40:29.5 |
HIP 72808 |
24.08 |
| 2026-10-07 12:00 |
14:51:28.67 |
-08:41:49.1 |
HIP 72808 |
21.00 |
| 2026-10-08 00:00 |
14:51:41.07 |
-08:43:08.7 |
HIP 72808 |
17.99 |
| 2026-10-08 12:00 |
14:51:53.51 |
-08:44:28.3 |
HIP 72808 |
15.11 |
| 2026-10-09 00:00 |
14:52:06.00 |
-08:45:47.9 |
HIP 72808 |
12.45 |
| 2026-10-09 12:00 |
14:52:18.53 |
-08:47:07.4 |
HIP 72808 |
10.21 |
| 2026-10-10 00:00 |
14:52:31.11 |
-08:48:26.9 |
HIP 72808 |
8.72 |
| 2026-10-10 12:00 |
14:52:43.72 |
-08:49:46.3 |
HIP 72808 |
8.40 |
| 2026-10-11 00:00 |
14:52:56.38 |
-08:51:05.7 |
HIP 72808 |
9.38 |