메타데이터
| 항목 |
값 |
| Designation |
C/2023 Q1 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2024-12-01T03:06:18.527040Z |
| Orbit solution date (soln_date, UTC) |
2025-09-30T13:39:24Z |
| Obs used |
1450 |
| NEO |
- |
| M1 |
11.200 |
| K1 |
9.250 |
| PC |
0.030 |
| Discovery observation (MPC, UTC) |
2023-08-20T13:18:30.182400Z |
| Discovery magnitude (MPC) |
22.04 w |
| Discovery observatory (MPC) |
F51 · Pan-STARRS 1, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2024-12-04.0000000 |
| e |
1.00529337 |
| q (au) |
2.575719 |
| a (au) |
-486.593364 |
| i (deg) |
36.643014 |
| Ω (om, deg) |
7.131719 |
| ω (w, deg) |
84.409436 |
| M (ma, deg) |
0.000264 |
밝기
산란 + 전체 선형
$$
M_a = (10.831 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
10.831 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.794 |
| 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
잔차 (구간 선형)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| 시작일 (UTC) |
끝 (UTC) |
a |
b |
| 2023-07-25 |
2023-11-14 |
+13.9933 |
-9.563 |
| 2023-11-14 |
2024-07-30 |
+1.1915 |
-1.285 |
| 2024-07-30 |
2024-12-01 |
-28.2334 |
+12.220 |
| 2024-12-01 |
2025-05-15 |
+2.7850 |
-1.351 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
11:54:06.01 |
-00:16:32.6 |
HIP 58105 |
21.69 |
| 2026-06-01 12:00 |
11:54:05.31 |
-00:17:44.8 |
HIP 58105 |
20.88 |
| 2026-06-02 00:00 |
11:54:04.76 |
-00:18:57.7 |
HIP 58105 |
20.09 |
| 2026-06-02 12:00 |
11:54:04.38 |
-00:20:11.3 |
HIP 58105 |
19.30 |
| 2026-06-03 00:00 |
11:54:04.15 |
-00:21:25.6 |
HIP 58105 |
18.52 |
| 2026-06-03 12:00 |
11:54:04.08 |
-00:22:40.6 |
HIP 58105 |
17.75 |
| 2026-06-04 00:00 |
11:54:04.16 |
-00:23:56.2 |
HIP 58105 |
17.00 |
| 2026-06-04 12:00 |
11:54:04.40 |
-00:25:12.6 |
HIP 58105 |
16.28 |
| 2026-06-05 00:00 |
11:54:04.80 |
-00:26:29.7 |
HIP 58105 |
15.59 |
| 2026-06-05 12:00 |
11:54:05.35 |
-00:27:47.4 |
HIP 58105 |
14.93 |
| 2026-06-06 00:00 |
11:54:06.05 |
-00:29:05.8 |
HIP 58105 |
14.33 |
| 2026-06-06 12:00 |
11:54:06.91 |
-00:30:24.9 |
HIP 58105 |
13.78 |
| 2026-06-07 00:00 |
11:54:07.92 |
-00:31:44.7 |
HIP 58105 |
13.31 |
| 2026-06-07 12:00 |
11:54:09.08 |
-00:33:05.1 |
HIP 58105 |
12.92 |
| 2026-06-08 00:00 |
11:54:10.39 |
-00:34:26.3 |
HIP 58105 |
12.63 |
| 2026-06-08 12:00 |
11:54:11.86 |
-00:35:48.1 |
HIP 58105 |
12.46 |
| 2026-06-09 00:00 |
11:54:13.48 |
-00:37:10.5 |
HIP 58105 |
12.42 |
| 2026-06-09 12:00 |
11:54:15.24 |
-00:38:33.7 |
HIP 58105 |
12.51 |
| 2026-06-10 00:00 |
11:54:17.15 |
-00:39:57.5 |
HIP 58105 |
12.74 |
| 2026-06-10 12:00 |
11:54:19.22 |
-00:41:22.0 |
HIP 58105 |
13.11 |
| 2026-06-11 00:00 |
11:54:21.43 |
-00:42:47.1 |
HIP 58105 |
13.61 |
| 2026-06-11 12:00 |
11:54:23.79 |
-00:44:12.9 |
HIP 58105 |
14.25 |
| 2026-06-12 00:00 |
11:54:26.29 |
-00:45:39.3 |
HIP 58105 |
15.01 |
| 2026-06-12 12:00 |
11:54:28.94 |
-00:47:06.5 |
HIP 58105 |
15.87 |
| 2026-06-13 00:00 |
11:54:31.74 |
-00:48:34.2 |
HIP 58021 |
15.65 |
| 2026-06-13 12:00 |
11:54:34.68 |
-00:50:02.6 |
HIP 58021 |
14.76 |
| 2026-06-14 00:00 |
11:54:37.76 |
-00:51:31.7 |
HIP 58021 |
14.02 |
| 2026-06-14 12:00 |
11:54:40.99 |
-00:53:01.4 |
HIP 58021 |
13.47 |
| 2026-06-15 00:00 |
11:54:44.36 |
-00:54:31.8 |
HIP 58021 |
13.14 |
| 2026-06-15 12:00 |
11:54:47.88 |
-00:56:02.8 |
HIP 58021 |
13.06 |
| 2026-06-16 00:00 |
11:54:51.53 |
-00:57:34.4 |
HIP 58021 |
13.23 |
| 2026-06-16 12:00 |
11:54:55.33 |
-00:59:06.7 |
HIP 58021 |
13.68 |
| 2026-06-17 00:00 |
11:54:59.26 |
-01:00:39.6 |
HIP 58021 |
14.37 |
| 2026-06-17 12:00 |
11:55:03.34 |
-01:02:13.2 |
HIP 58021 |
15.28 |
| 2026-06-18 00:00 |
11:55:07.55 |
-01:03:47.3 |
HIP 58021 |
16.40 |
| 2026-06-18 12:00 |
11:55:11.90 |
-01:05:22.1 |
HIP 58021 |
17.68 |
| 2026-06-19 00:00 |
11:55:16.38 |
-01:06:57.5 |
HIP 58021 |
19.10 |
| 2026-06-19 12:00 |
11:55:21.00 |
-01:08:33.5 |
HIP 58093 |
19.87 |
| 2026-06-20 00:00 |
11:55:25.75 |
-01:10:10.2 |
HIP 58191 |
18.61 |
| 2026-06-20 12:00 |
11:55:30.64 |
-01:11:47.4 |
HIP 58191 |
16.61 |
| 2026-06-21 00:00 |
11:55:35.66 |
-01:13:25.2 |
HIP 58191 |
14.58 |
| 2026-06-21 12:00 |
11:55:40.82 |
-01:15:03.7 |
HIP 58191 |
12.55 |
| 2026-06-22 00:00 |
11:55:46.10 |
-01:16:42.7 |
HIP 58191 |
10.52 |