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) |
| 2026-07-29 00:00 |
14:33:49.43 |
-05:56:08.9 |
HIP 71347 |
25.08 |
| 2026-07-29 12:00 |
14:33:50.68 |
-05:56:59.0 |
HIP 71347 |
25.00 |
| 2026-07-30 00:00 |
14:33:52.04 |
-05:57:49.5 |
HIP 71347 |
24.93 |
| 2026-07-30 12:00 |
14:33:53.50 |
-05:58:40.5 |
HIP 71347 |
24.87 |
| 2026-07-31 00:00 |
14:33:55.06 |
-05:59:31.9 |
HIP 71347 |
24.82 |
| 2026-07-31 12:00 |
14:33:56.74 |
-06:00:23.8 |
HIP 71347 |
24.79 |
| 2026-08-01 00:00 |
14:33:58.51 |
-06:01:16.1 |
HIP 71347 |
24.78 |
| 2026-08-01 12:00 |
14:34:00.39 |
-06:02:08.8 |
HIP 71347 |
24.78 |
| 2026-08-02 00:00 |
14:34:02.37 |
-06:03:02.0 |
HIP 71347 |
24.81 |
| 2026-08-02 12:00 |
14:34:04.45 |
-06:03:55.6 |
HIP 71347 |
24.86 |
| 2026-08-03 00:00 |
14:34:06.64 |
-06:04:49.6 |
HIP 71347 |
24.93 |
| 2026-08-03 12:00 |
14:34:08.93 |
-06:05:44.0 |
HIP 71347 |
25.04 |
| 2026-08-04 00:00 |
14:34:11.33 |
-06:06:38.9 |
HIP 71347 |
25.18 |
| 2026-08-04 12:00 |
14:34:13.82 |
-06:07:34.1 |
HIP 71347 |
25.34 |
| 2026-08-05 00:00 |
14:34:16.42 |
-06:08:29.8 |
HIP 71347 |
25.55 |
| 2026-08-05 12:00 |
14:34:19.12 |
-06:09:25.9 |
HIP 71347 |
25.79 |
| 2026-08-06 00:00 |
14:34:21.92 |
-06:10:22.4 |
HIP 71347 |
26.07 |
| 2026-08-06 12:00 |
14:34:24.83 |
-06:11:19.3 |
HIP 71347 |
26.38 |
| 2026-08-07 00:00 |
14:34:27.83 |
-06:12:16.6 |
HIP 71347 |
26.74 |
| 2026-08-07 12:00 |
14:34:30.94 |
-06:13:14.3 |
HIP 71347 |
27.14 |
| 2026-08-08 00:00 |
14:34:34.15 |
-06:14:12.4 |
HIP 71347 |
27.59 |
| 2026-08-08 12:00 |
14:34:37.46 |
-06:15:10.8 |
HIP 71347 |
28.08 |
| 2026-08-09 00:00 |
14:34:40.87 |
-06:16:09.7 |
HIP 71347 |
28.61 |
| 2026-08-09 12:00 |
14:34:44.38 |
-06:17:08.9 |
HIP 71347 |
29.19 |
| 2026-08-10 00:00 |
14:34:47.99 |
-06:18:08.6 |
HIP 71347 |
29.81 |
| 2026-08-10 12:00 |
14:34:51.70 |
-06:19:08.6 |
HIP 71347 |
30.47 |
| 2026-08-11 00:00 |
14:34:55.51 |
-06:20:09.0 |
HIP 71347 |
31.19 |
| 2026-08-11 12:00 |
14:34:59.42 |
-06:21:09.7 |
HIP 71347 |
31.94 |
| 2026-08-12 00:00 |
14:35:03.43 |
-06:22:10.9 |
HIP 71347 |
32.74 |
| 2026-08-12 12:00 |
14:35:07.53 |
-06:23:12.3 |
HIP 71347 |
33.59 |
| 2026-08-13 00:00 |
14:35:11.74 |
-06:24:14.2 |
HIP 71347 |
34.48 |
| 2026-08-13 12:00 |
14:35:16.04 |
-06:25:16.4 |
HIP 71347 |
35.41 |
| 2026-08-14 00:00 |
14:35:20.45 |
-06:26:18.9 |
HIP 71199 |
35.77 |
| 2026-08-14 12:00 |
14:35:24.94 |
-06:27:21.8 |
HIP 71199 |
35.81 |
| 2026-08-15 00:00 |
14:35:29.54 |
-06:28:25.1 |
HIP 71199 |
35.93 |
| 2026-08-15 12:00 |
14:35:34.23 |
-06:29:28.7 |
HIP 71199 |
36.14 |
| 2026-08-16 00:00 |
14:35:39.02 |
-06:30:32.6 |
HIP 71199 |
36.42 |
| 2026-08-16 12:00 |
14:35:43.90 |
-06:31:36.9 |
HIP 71199 |
36.79 |
| 2026-08-17 00:00 |
14:35:48.88 |
-06:32:41.4 |
HIP 71199 |
37.25 |
| 2026-08-17 12:00 |
14:35:53.96 |
-06:33:46.3 |
HIP 71199 |
37.79 |
| 2026-08-18 00:00 |
14:35:59.12 |
-06:34:51.6 |
HIP 71199 |
38.41 |
| 2026-08-18 12:00 |
14:36:04.39 |
-06:35:57.1 |
HIP 71199 |
39.11 |
| 2026-08-19 00:00 |
14:36:09.74 |
-06:37:03.0 |
HIP 71199 |
39.89 |