메타데이터
| 항목 |
값 |
| Designation |
432P/PANSTARRS |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2021-08-31T00:49:17.221440Z |
| Orbit solution date (soln_date, UTC) |
2021-11-20T19:13:23Z |
| Obs used |
68 |
| NEO |
- |
| M1 |
18.400 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2016-10-25T11:18:06.278400Z |
| Discovery magnitude (MPC) |
20.95 T |
| Discovery observatory (MPC) |
F51 · Pan-STARRS 1, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2020-12-28.0000000 |
| e |
0.24254187 |
| q (au) |
2.300216 |
| a (au) |
3.036757 |
| i (deg) |
10.070047 |
| Ω (om, deg) |
239.214363 |
| ω (w, deg) |
105.379770 |
| M (ma, deg) |
314.176883 |
밝기
산란 + 전체 선형
$$
M_a = (18.526 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
18.526 |
| n |
2.000 |
| gf |
0.901 |
| gb |
-0.836 |
| k |
0.992 |
| δ90 |
1.000 |
| 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 |
19:26:27.16 |
-16:54:39.9 |
HIP 95610 |
8.91 |
| 2026-03-26 12:00 |
19:27:06.54 |
-16:51:33.6 |
HIP 95610 |
6.66 |
| 2026-03-27 00:00 |
19:27:45.76 |
-16:48:26.5 |
HIP 95610 |
14.33 |
| 2026-03-27 12:00 |
19:28:24.82 |
-16:45:18.6 |
HIP 95779 |
15.55 |
| 2026-03-28 00:00 |
19:29:03.71 |
-16:42:09.8 |
HIP 95779 |
11.55 |
| 2026-03-28 12:00 |
19:29:42.44 |
-16:39:00.2 |
HIP 95779 |
14.74 |
| 2026-03-29 00:00 |
19:30:21.00 |
-16:35:49.8 |
HIP 96008 |
17.78 |
| 2026-03-29 12:00 |
19:30:59.40 |
-16:32:38.7 |
HIP 96008 |
9.64 |
| 2026-03-30 00:00 |
19:31:37.63 |
-16:29:26.7 |
HIP 96008 |
7.67 |
| 2026-03-30 12:00 |
19:32:15.69 |
-16:26:13.9 |
HIP 96008 |
14.56 |
| 2026-03-31 00:00 |
19:32:53.59 |
-16:23:00.4 |
HIP 96176 |
15.04 |
| 2026-03-31 12:00 |
19:33:31.31 |
-16:19:46.1 |
HIP 96217 |
7.17 |
| 2026-04-01 00:00 |
19:34:08.86 |
-16:16:31.0 |
HIP 96217 |
2.67 |
| 2026-04-01 12:00 |
19:34:46.23 |
-16:13:15.1 |
HIP 96248 |
9.37 |
| 2026-04-02 00:00 |
19:35:23.43 |
-16:09:58.5 |
HIP 96248 |
18.66 |
| 2026-04-02 12:00 |
19:36:00.46 |
-16:06:41.2 |
HIP 96510 |
23.15 |
| 2026-04-03 00:00 |
19:36:37.31 |
-16:03:23.1 |
HIP 96510 |
20.54 |
| 2026-04-03 12:00 |
19:37:13.98 |
-16:00:04.3 |
HIP 96510 |
22.06 |
| 2026-04-04 00:00 |
19:37:50.46 |
-15:56:44.7 |
HIP 96510 |
26.98 |
| 2026-04-04 12:00 |
19:38:26.77 |
-15:53:24.5 |
HIP 96782 |
27.92 |
| 2026-04-05 00:00 |
19:39:02.90 |
-15:50:03.5 |
HIP 96782 |
18.87 |
| 2026-04-05 12:00 |
19:39:38.84 |
-15:46:41.8 |
HIP 96782 |
10.34 |
| 2026-04-06 00:00 |
19:40:14.59 |
-15:43:19.4 |
HIP 96782 |
5.48 |
| 2026-04-06 12:00 |
19:40:50.16 |
-15:39:56.4 |
HIP 96782 |
11.11 |
| 2026-04-07 00:00 |
19:41:25.54 |
-15:36:32.6 |
HIP 96782 |
19.63 |
| 2026-04-07 12:00 |
19:42:00.73 |
-15:33:08.2 |
HIP 97063 |
22.88 |
| 2026-04-08 00:00 |
19:42:35.73 |
-15:29:43.2 |
HIP 97063 |
13.99 |
| 2026-04-08 12:00 |
19:43:10.53 |
-15:26:17.5 |
HIP 97063 |
5.84 |
| 2026-04-09 00:00 |
19:43:45.14 |
-15:22:51.1 |
HIP 97063 |
6.03 |
| 2026-04-09 12:00 |
19:44:19.55 |
-15:19:24.1 |
HIP 97063 |
14.16 |
| 2026-04-10 00:00 |
19:44:53.76 |
-15:15:56.5 |
HIP 97190 |
10.42 |
| 2026-04-10 12:00 |
19:45:27.77 |
-15:12:28.3 |
HIP 97190 |
6.87 |
| 2026-04-11 00:00 |
19:46:01.59 |
-15:08:59.4 |
HIP 97273 |
11.16 |
| 2026-04-11 12:00 |
19:46:35.19 |
-15:05:30.0 |
HIP 97273 |
15.80 |
| 2026-04-12 00:00 |
19:47:08.60 |
-15:02:00.0 |
HIP 97273 |
23.01 |
| 2026-04-12 12:00 |
19:47:41.79 |
-14:58:29.4 |
HIP 97422 |
24.92 |
| 2026-04-13 00:00 |
19:48:14.78 |
-14:54:58.2 |
HIP 97422 |
21.16 |
| 2026-04-13 12:00 |
19:48:47.56 |
-14:51:26.5 |
HIP 97521 |
17.11 |
| 2026-04-14 00:00 |
19:49:20.13 |
-14:47:54.2 |
HIP 97521 |
12.32 |
| 2026-04-14 12:00 |
19:49:52.48 |
-14:44:21.4 |
HIP 97521 |
12.60 |
| 2026-04-15 00:00 |
19:50:24.61 |
-14:40:48.1 |
HIP 97614 |
15.41 |
| 2026-04-15 12:00 |
19:50:56.53 |
-14:37:14.2 |
HIP 97736 |
14.42 |
| 2026-04-16 00:00 |
19:51:28.23 |
-14:33:39.9 |
HIP 97736 |
13.36 |