메타데이터
| 항목 |
값 |
| Designation |
435P/PANSTARRS |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2016-04-30T15:49:53.086080Z |
| Orbit solution date (soln_date, UTC) |
2021-11-20T19:13:24Z |
| Obs used |
88 |
| NEO |
- |
| M1 |
18.800 |
| K1 |
4.750 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2015-05-18T13:04:20.524800Z |
| Discovery magnitude (MPC) |
22.76 G |
| Discovery observatory (MPC) |
F51 · Pan-STARRS 1, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2018-10-13.0000000 |
| e |
0.31859695 |
| q (au) |
2.056387 |
| a (au) |
3.017872 |
| i (deg) |
18.889136 |
| Ω (om, deg) |
98.561523 |
| ω (w, deg) |
244.367853 |
| M (ma, deg) |
168.322066 |
밝기
산란 + 전체 선형
$$
M_a = (16.819 + 3.210\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
16.819 |
| n |
3.210 |
| 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
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-03-26 00:00 |
19:40:09.09 |
-19:01:05.9 |
HIP 96726 |
13.77 |
| 2026-03-26 12:00 |
19:40:57.16 |
-19:01:17.4 |
HIP 96726 |
20.79 |
| 2026-03-27 00:00 |
19:41:45.15 |
-19:01:29.0 |
HIP 97031 |
21.24 |
| 2026-03-27 12:00 |
19:42:33.05 |
-19:01:40.7 |
HIP 97031 |
10.55 |
| 2026-03-28 00:00 |
19:43:20.87 |
-19:01:52.6 |
HIP 97031 |
5.26 |
| 2026-03-28 12:00 |
19:44:08.60 |
-19:02:04.6 |
HIP 97031 |
14.10 |
| 2026-03-29 00:00 |
19:44:56.24 |
-19:02:16.9 |
HIP 97031 |
24.97 |
| 2026-03-29 12:00 |
19:45:43.79 |
-19:02:29.3 |
HIP 97358 |
28.49 |
| 2026-03-30 00:00 |
19:46:31.25 |
-19:02:41.9 |
HIP 97358 |
21.07 |
| 2026-03-30 12:00 |
19:47:18.62 |
-19:02:54.7 |
HIP 97358 |
18.13 |
| 2026-03-31 00:00 |
19:48:05.90 |
-19:03:07.8 |
HIP 97358 |
21.55 |
| 2026-03-31 12:00 |
19:48:53.09 |
-19:03:21.1 |
HIP 97358 |
29.14 |
| 2026-04-01 00:00 |
19:49:40.19 |
-19:03:34.7 |
HIP 97727 |
28.79 |
| 2026-04-01 12:00 |
19:50:27.19 |
-19:03:48.6 |
HIP 97727 |
18.48 |
| 2026-04-02 00:00 |
19:51:14.10 |
-19:04:02.8 |
HIP 97727 |
10.04 |
| 2026-04-02 12:00 |
19:52:00.91 |
-19:04:17.3 |
HIP 97783 |
3.07 |
| 2026-04-03 00:00 |
19:52:47.63 |
-19:04:32.1 |
HIP 97783 |
8.62 |
| 2026-04-03 12:00 |
19:53:34.25 |
-19:04:47.3 |
HIP 97858 |
12.40 |
| 2026-04-04 00:00 |
19:54:20.77 |
-19:05:02.9 |
HIP 98045 |
19.48 |
| 2026-04-04 12:00 |
19:55:07.20 |
-19:05:18.9 |
HIP 98045 |
12.88 |
| 2026-04-05 00:00 |
19:55:53.52 |
-19:05:35.2 |
HIP 98078 |
13.11 |
| 2026-04-05 12:00 |
19:56:39.74 |
-19:05:52.0 |
HIP 98078 |
16.79 |
| 2026-04-06 00:00 |
19:57:25.86 |
-19:06:09.3 |
HIP 98078 |
25.10 |
| 2026-04-06 12:00 |
19:58:11.88 |
-19:06:27.0 |
HIP 98078 |
34.85 |
| 2026-04-07 00:00 |
19:58:57.79 |
-19:06:45.2 |
HIP 98634 |
43.33 |
| 2026-04-07 12:00 |
19:59:43.60 |
-19:07:03.9 |
HIP 98634 |
32.52 |
| 2026-04-08 00:00 |
20:00:29.30 |
-19:07:23.1 |
HIP 98634 |
21.75 |
| 2026-04-08 12:00 |
20:01:14.89 |
-19:07:42.8 |
HIP 98634 |
11.08 |
| 2026-04-09 00:00 |
20:02:00.37 |
-19:08:03.1 |
HIP 98634 |
2.11 |
| 2026-04-09 12:00 |
20:02:45.75 |
-19:08:24.0 |
HIP 98634 |
10.81 |
| 2026-04-10 00:00 |
20:03:31.01 |
-19:08:45.5 |
HIP 98634 |
21.40 |
| 2026-04-10 12:00 |
20:04:16.15 |
-19:09:07.6 |
HIP 98901 |
25.30 |
| 2026-04-11 00:00 |
20:05:01.19 |
-19:09:30.4 |
HIP 98901 |
23.23 |
| 2026-04-11 12:00 |
20:05:46.11 |
-19:09:53.8 |
HIP 99096 |
24.24 |
| 2026-04-12 00:00 |
20:06:30.91 |
-19:10:17.9 |
HIP 99096 |
17.11 |
| 2026-04-12 12:00 |
20:07:15.59 |
-19:10:42.8 |
HIP 99096 |
14.87 |
| 2026-04-13 00:00 |
20:08:00.15 |
-19:11:08.3 |
HIP 99096 |
19.26 |
| 2026-04-13 12:00 |
20:08:44.60 |
-19:11:34.6 |
HIP 99193 |
24.51 |
| 2026-04-14 00:00 |
20:09:28.92 |
-19:12:01.7 |
HIP 99391 |
17.27 |
| 2026-04-14 12:00 |
20:10:13.11 |
-19:12:29.6 |
HIP 99391 |
10.89 |
| 2026-04-15 00:00 |
20:10:57.18 |
-19:12:58.2 |
HIP 99391 |
12.51 |
| 2026-04-15 12:00 |
20:11:41.13 |
-19:13:27.8 |
HIP 99391 |
20.24 |
| 2026-04-16 00:00 |
20:12:24.95 |
-19:13:58.2 |
HIP 99391 |
29.60 |