메타데이터
| 항목 |
값 |
| Designation |
P/2023 B3 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2020-09-02T19:46:49.169280Z |
| Orbit solution date (soln_date, UTC) |
2023-03-20T19:43:10Z |
| Obs used |
82 |
| NEO |
- |
| M1 |
14.700 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2023-01-23T10:13:08.774400Z |
| Discovery magnitude (MPC) |
21.14 w |
| Discovery observatory (MPC) |
F52 · Pan-STARRS 2, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2022-12-21.0000000 |
| e |
0.12329891 |
| q (au) |
3.982887 |
| a (au) |
4.543039 |
| i (deg) |
9.163475 |
| Ω (om, deg) |
154.004785 |
| ω (w, deg) |
239.769487 |
| M (ma, deg) |
85.415628 |
밝기
산란 + 전체 선형
$$
M_a = (14.589 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
14.589 |
| n |
2.000 |
| gf |
0.861 |
| gb |
-0.934 |
| k |
1.000 |
| 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) |
| 2026-05-12 00:00 |
16:03:05.53 |
-09:09:11.1 |
HIP 78633 |
22.46 |
| 2026-05-12 12:00 |
16:02:49.72 |
-09:08:06.5 |
HIP 78633 |
21.92 |
| 2026-05-13 00:00 |
16:02:33.86 |
-09:07:02.4 |
HIP 78633 |
22.14 |
| 2026-05-13 12:00 |
16:02:17.94 |
-09:05:58.8 |
HIP 78633 |
23.09 |
| 2026-05-14 00:00 |
16:02:01.97 |
-09:04:55.8 |
HIP 78633 |
24.70 |
| 2026-05-14 12:00 |
16:01:45.95 |
-09:03:53.2 |
HIP 78633 |
26.86 |
| 2026-05-15 00:00 |
16:01:29.88 |
-09:02:51.2 |
HIP 78633 |
29.45 |
| 2026-05-15 12:00 |
16:01:13.76 |
-09:01:49.7 |
HIP 78633 |
32.36 |
| 2026-05-16 00:00 |
16:00:57.60 |
-09:00:48.8 |
HIP 78298 |
29.60 |
| 2026-05-16 12:00 |
16:00:41.41 |
-08:59:48.4 |
HIP 78298 |
25.71 |
| 2026-05-17 00:00 |
16:00:25.18 |
-08:58:48.7 |
HIP 78298 |
21.90 |
| 2026-05-17 12:00 |
16:00:08.91 |
-08:57:49.5 |
HIP 78298 |
18.22 |
| 2026-05-18 00:00 |
15:59:52.62 |
-08:56:50.9 |
HIP 78298 |
14.80 |
| 2026-05-18 12:00 |
15:59:36.30 |
-08:55:52.9 |
HIP 78298 |
11.85 |
| 2026-05-19 00:00 |
15:59:19.96 |
-08:54:55.6 |
HIP 78298 |
9.82 |
| 2026-05-19 12:00 |
15:59:03.59 |
-08:53:58.8 |
HIP 78298 |
9.33 |
| 2026-05-20 00:00 |
15:58:47.21 |
-08:53:02.8 |
HIP 78244 |
7.93 |
| 2026-05-20 12:00 |
15:58:30.82 |
-08:52:07.3 |
HIP 78244 |
8.11 |
| 2026-05-21 00:00 |
15:58:14.41 |
-08:51:12.5 |
HIP 78244 |
10.15 |
| 2026-05-21 12:00 |
15:57:58.00 |
-08:50:18.4 |
HIP 78244 |
13.21 |
| 2026-05-22 00:00 |
15:57:41.58 |
-08:49:25.0 |
HIP 78081 |
16.60 |
| 2026-05-22 12:00 |
15:57:25.16 |
-08:48:32.2 |
HIP 78081 |
13.07 |
| 2026-05-23 00:00 |
15:57:08.73 |
-08:47:40.2 |
HIP 78081 |
10.03 |
| 2026-05-23 12:00 |
15:56:52.32 |
-08:46:48.8 |
HIP 78081 |
8.03 |
| 2026-05-24 00:00 |
15:56:35.90 |
-08:45:58.1 |
HIP 78081 |
7.91 |
| 2026-05-24 12:00 |
15:56:19.50 |
-08:45:08.2 |
HIP 78081 |
9.73 |
| 2026-05-25 00:00 |
15:56:03.11 |
-08:44:19.0 |
HIP 78003 |
7.51 |
| 2026-05-25 12:00 |
15:55:46.74 |
-08:43:30.5 |
HIP 78003 |
4.79 |
| 2026-05-26 00:00 |
15:55:30.38 |
-08:42:42.8 |
HIP 78003 |
4.85 |
| 2026-05-26 12:00 |
15:55:14.04 |
-08:41:55.8 |
HIP 78003 |
7.63 |
| 2026-05-27 00:00 |
15:54:57.73 |
-08:41:09.5 |
HIP 78003 |
11.25 |
| 2026-05-27 12:00 |
15:54:41.44 |
-08:40:24.0 |
HIP 77883 |
7.72 |
| 2026-05-28 00:00 |
15:54:25.18 |
-08:39:39.3 |
HIP 77883 |
5.01 |
| 2026-05-28 12:00 |
15:54:08.95 |
-08:38:55.4 |
HIP 77883 |
4.91 |
| 2026-05-29 00:00 |
15:53:52.76 |
-08:38:12.2 |
HIP 77883 |
7.50 |
| 2026-05-29 12:00 |
15:53:36.60 |
-08:37:29.8 |
HIP 77883 |
11.02 |
| 2026-05-30 00:00 |
15:53:20.48 |
-08:36:48.2 |
HIP 77883 |
14.81 |
| 2026-05-30 12:00 |
15:53:04.41 |
-08:36:07.5 |
HIP 77883 |
18.70 |
| 2026-05-31 00:00 |
15:52:48.37 |
-08:35:27.5 |
HIP 77883 |
22.62 |
| 2026-05-31 12:00 |
15:52:32.39 |
-08:34:48.3 |
HIP 77883 |
26.56 |
| 2026-06-01 00:00 |
15:52:16.45 |
-08:34:10.0 |
HIP 77883 |
30.51 |
| 2026-06-01 12:00 |
15:52:00.57 |
-08:33:32.5 |
HIP 77699 |
31.05 |
| 2026-06-02 00:00 |
15:51:44.74 |
-08:32:55.8 |
HIP 77699 |
30.35 |