메타데이터
| 항목 |
값 |
| Designation |
P/2023 X3 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2024-04-21T16:49:11.565120Z |
| Orbit solution date (soln_date, UTC) |
2023-12-21T03:13:40Z |
| Obs used |
56 |
| NEO |
- |
| M1 |
14.600 |
| K1 |
10.000 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2023-12-07T08:24:53.740800Z |
| Discovery magnitude (MPC) |
21.15 w |
| Discovery observatory (MPC) |
F52 · Pan-STARRS 2, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2023-12-01.0000000 |
| e |
0.28714596 |
| q (au) |
3.030219 |
| a (au) |
4.250827 |
| i (deg) |
4.483381 |
| Ω (om, deg) |
62.013419 |
| ω (w, deg) |
40.768411 |
| M (ma, deg) |
343.952019 |
밝기
산란 + 전체 선형
$$
M_a = (14.202 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
14.202 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.651 |
| k |
0.800 |
| 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) |
| 2026-05-12 00:00 |
14:18:20.98 |
-11:29:23.2 |
HIP 69800 |
26.48 |
| 2026-05-12 12:00 |
14:18:03.77 |
-11:28:17.7 |
HIP 69800 |
24.69 |
| 2026-05-13 00:00 |
14:17:46.65 |
-11:27:12.7 |
HIP 69800 |
23.58 |
| 2026-05-13 12:00 |
14:17:29.64 |
-11:26:08.3 |
HIP 69800 |
23.23 |
| 2026-05-14 00:00 |
14:17:12.74 |
-11:25:04.5 |
HIP 69691 |
22.69 |
| 2026-05-14 12:00 |
14:16:55.94 |
-11:24:01.4 |
HIP 69691 |
18.75 |
| 2026-05-15 00:00 |
14:16:39.26 |
-11:22:58.8 |
HIP 69691 |
15.01 |
| 2026-05-15 12:00 |
14:16:22.69 |
-11:21:56.9 |
HIP 69691 |
11.62 |
| 2026-05-16 00:00 |
14:16:06.23 |
-11:20:55.6 |
HIP 69691 |
8.97 |
| 2026-05-16 12:00 |
14:15:49.90 |
-11:19:55.0 |
HIP 69691 |
7.77 |
| 2026-05-17 00:00 |
14:15:33.69 |
-11:18:55.1 |
HIP 69691 |
8.62 |
| 2026-05-17 12:00 |
14:15:17.61 |
-11:17:55.8 |
HIP 69691 |
11.01 |
| 2026-05-18 00:00 |
14:15:01.66 |
-11:16:57.3 |
HIP 69691 |
14.17 |
| 2026-05-18 12:00 |
14:14:45.83 |
-11:15:59.5 |
HIP 69691 |
17.65 |
| 2026-05-19 00:00 |
14:14:30.14 |
-11:15:02.5 |
HIP 69691 |
21.28 |
| 2026-05-19 12:00 |
14:14:14.59 |
-11:14:06.2 |
HIP 69691 |
24.99 |
| 2026-05-20 00:00 |
14:13:59.18 |
-11:13:10.6 |
HIP 69691 |
28.71 |
| 2026-05-20 12:00 |
14:13:43.91 |
-11:12:15.8 |
HIP 69691 |
32.45 |
| 2026-05-21 00:00 |
14:13:28.79 |
-11:11:21.8 |
HIP 69691 |
36.17 |
| 2026-05-21 12:00 |
14:13:13.81 |
-11:10:28.6 |
HIP 69691 |
39.87 |
| 2026-05-22 00:00 |
14:12:58.98 |
-11:09:36.2 |
HIP 69338 |
39.84 |
| 2026-05-22 12:00 |
14:12:44.30 |
-11:08:44.7 |
HIP 69338 |
37.23 |
| 2026-05-23 00:00 |
14:12:29.77 |
-11:07:53.9 |
HIP 69338 |
34.85 |
| 2026-05-23 12:00 |
14:12:15.40 |
-11:07:04.0 |
HIP 69338 |
32.73 |
| 2026-05-24 00:00 |
14:12:01.19 |
-11:06:14.9 |
HIP 69338 |
30.91 |
| 2026-05-24 12:00 |
14:11:47.14 |
-11:05:26.7 |
HIP 69338 |
29.44 |
| 2026-05-25 00:00 |
14:11:33.25 |
-11:04:39.4 |
HIP 69338 |
28.35 |
| 2026-05-25 12:00 |
14:11:19.52 |
-11:03:52.9 |
HIP 69338 |
27.68 |
| 2026-05-26 00:00 |
14:11:05.95 |
-11:03:07.3 |
HIP 69338 |
27.43 |
| 2026-05-26 12:00 |
14:10:52.56 |
-11:02:22.6 |
HIP 69338 |
27.61 |
| 2026-05-27 00:00 |
14:10:39.33 |
-11:01:38.8 |
HIP 69338 |
28.20 |
| 2026-05-27 12:00 |
14:10:26.27 |
-11:00:55.9 |
HIP 69338 |
29.14 |
| 2026-05-28 00:00 |
14:10:13.38 |
-11:00:14.0 |
HIP 69338 |
30.39 |
| 2026-05-28 12:00 |
14:10:00.67 |
-10:59:32.9 |
HIP 69338 |
31.91 |
| 2026-05-29 00:00 |
14:09:48.13 |
-10:58:52.8 |
HIP 69029 |
30.17 |
| 2026-05-29 12:00 |
14:09:35.76 |
-10:58:13.6 |
HIP 69029 |
27.59 |
| 2026-05-30 00:00 |
14:09:23.58 |
-10:57:35.3 |
HIP 69029 |
25.16 |
| 2026-05-30 12:00 |
14:09:11.57 |
-10:56:58.0 |
HIP 69029 |
22.90 |
| 2026-05-31 00:00 |
14:08:59.74 |
-10:56:21.7 |
HIP 69029 |
20.87 |
| 2026-05-31 12:00 |
14:08:48.10 |
-10:55:46.3 |
HIP 69029 |
19.10 |
| 2026-06-01 00:00 |
14:08:36.63 |
-10:55:11.9 |
HIP 69029 |
17.65 |
| 2026-06-01 12:00 |
14:08:25.36 |
-10:54:38.5 |
HIP 69029 |
16.58 |
| 2026-06-02 00:00 |
14:08:14.26 |
-10:54:06.0 |
HIP 69029 |
15.95 |