메타데이터
| 항목 |
값 |
| Designation |
480P/PANSTARRS |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2023-04-22T13:13:52.207680Z |
| Orbit solution date (soln_date, UTC) |
2025-03-06T13:42:38Z |
| Obs used |
95 |
| NEO |
- |
| M1 |
13.700 |
| K1 |
8.000 |
| PC |
0.030 |
| Discovery observation (MPC, UTC) |
2023-12-09T12:43:08.284800Z |
| Discovery magnitude (MPC) |
21.55 w |
| Discovery observatory (MPC) |
F51 · Pan-STARRS 1, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2018-08-10.0000000 |
| e |
0.24183035 |
| q (au) |
3.525821 |
| a (au) |
4.650438 |
| i (deg) |
13.697578 |
| Ω (om, deg) |
230.461069 |
| ω (w, deg) |
212.102521 |
| M (ma, deg) |
191.298088 |
밝기
산란 + 전체 선형
$$
M_a = (12.955 + 3.109\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.955 |
| n |
3.109 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
14:01:29.79 |
-15:22:42.4 |
HIP 68425 |
29.58 |
| 2026-06-01 12:00 |
14:01:20.44 |
-15:21:01.6 |
HIP 68425 |
27.02 |
| 2026-06-02 00:00 |
14:01:11.24 |
-15:19:21.6 |
HIP 68425 |
24.54 |
| 2026-06-02 12:00 |
14:01:02.21 |
-15:17:42.3 |
HIP 68425 |
22.15 |
| 2026-06-03 00:00 |
14:00:53.33 |
-15:16:03.9 |
HIP 68425 |
19.89 |
| 2026-06-03 12:00 |
14:00:44.62 |
-15:14:26.3 |
HIP 68425 |
17.76 |
| 2026-06-04 00:00 |
14:00:36.07 |
-15:12:49.5 |
HIP 68425 |
15.81 |
| 2026-06-04 12:00 |
14:00:27.68 |
-15:11:13.6 |
HIP 68425 |
14.10 |
| 2026-06-05 00:00 |
14:00:19.45 |
-15:09:38.5 |
HIP 68425 |
12.70 |
| 2026-06-05 12:00 |
14:00:11.39 |
-15:08:04.2 |
HIP 68425 |
11.68 |
| 2026-06-06 00:00 |
14:00:03.50 |
-15:06:30.8 |
HIP 68425 |
11.13 |
| 2026-06-06 12:00 |
13:59:55.77 |
-15:04:58.3 |
HIP 68425 |
11.09 |
| 2026-06-07 00:00 |
13:59:48.21 |
-15:03:26.7 |
HIP 68425 |
11.55 |
| 2026-06-07 12:00 |
13:59:40.82 |
-15:01:55.9 |
HIP 68425 |
12.42 |
| 2026-06-08 00:00 |
13:59:33.59 |
-15:00:26.1 |
HIP 68425 |
13.61 |
| 2026-06-08 12:00 |
13:59:26.54 |
-14:58:57.1 |
HIP 68425 |
15.01 |
| 2026-06-09 00:00 |
13:59:19.66 |
-14:57:29.0 |
HIP 68425 |
16.57 |
| 2026-06-09 12:00 |
13:59:12.95 |
-14:56:01.9 |
HIP 68425 |
18.22 |
| 2026-06-10 00:00 |
13:59:06.40 |
-14:54:35.7 |
HIP 68425 |
19.93 |
| 2026-06-10 12:00 |
13:59:00.04 |
-14:53:10.5 |
HIP 68425 |
21.67 |
| 2026-06-11 00:00 |
13:58:53.84 |
-14:51:46.2 |
HIP 68425 |
23.42 |
| 2026-06-11 12:00 |
13:58:47.82 |
-14:50:22.8 |
HIP 68425 |
25.18 |
| 2026-06-12 00:00 |
13:58:41.98 |
-14:49:00.4 |
HIP 68291 |
25.50 |
| 2026-06-12 12:00 |
13:58:36.31 |
-14:47:39.0 |
HIP 68291 |
24.24 |
| 2026-06-13 00:00 |
13:58:30.82 |
-14:46:18.5 |
HIP 68291 |
23.07 |
| 2026-06-13 12:00 |
13:58:25.50 |
-14:44:59.0 |
HIP 68291 |
22.02 |
| 2026-06-14 00:00 |
13:58:20.36 |
-14:43:40.5 |
HIP 68291 |
21.07 |
| 2026-06-14 12:00 |
13:58:15.40 |
-14:42:23.0 |
HIP 68291 |
20.24 |
| 2026-06-15 00:00 |
13:58:10.62 |
-14:41:06.5 |
HIP 68291 |
19.54 |
| 2026-06-15 12:00 |
13:58:06.01 |
-14:39:51.0 |
HIP 68291 |
18.95 |
| 2026-06-16 00:00 |
13:58:01.59 |
-14:38:36.6 |
HIP 68291 |
18.49 |
| 2026-06-16 12:00 |
13:57:57.35 |
-14:37:23.1 |
HIP 68291 |
18.15 |
| 2026-06-17 00:00 |
13:57:53.28 |
-14:36:10.7 |
HIP 68291 |
17.93 |
| 2026-06-17 12:00 |
13:57:49.40 |
-14:34:59.3 |
HIP 68291 |
17.82 |
| 2026-06-18 00:00 |
13:57:45.69 |
-14:33:48.9 |
HIP 68291 |
17.81 |
| 2026-06-18 12:00 |
13:57:42.17 |
-14:32:39.5 |
HIP 68291 |
17.90 |
| 2026-06-19 00:00 |
13:57:38.83 |
-14:31:31.2 |
HIP 68291 |
18.06 |
| 2026-06-19 12:00 |
13:57:35.67 |
-14:30:23.9 |
HIP 68291 |
18.30 |
| 2026-06-20 00:00 |
13:57:32.69 |
-14:29:17.7 |
HIP 68291 |
18.60 |
| 2026-06-20 12:00 |
13:57:29.89 |
-14:28:12.5 |
HIP 68291 |
18.95 |
| 2026-06-21 00:00 |
13:57:27.28 |
-14:27:08.4 |
HIP 68291 |
19.34 |
| 2026-06-21 12:00 |
13:57:24.84 |
-14:26:05.3 |
HIP 68291 |
19.76 |
| 2026-06-22 00:00 |
13:57:22.58 |
-14:25:03.3 |
HIP 68291 |
20.19 |