메타데이터
| 항목 |
값 |
| Designation |
462P/LONEOS-PANSTARRS |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2022-08-02T09:36:57.879360Z |
| Orbit solution date (soln_date, UTC) |
2024-01-26T23:44:19Z |
| Obs used |
182 |
| NEO |
- |
| M1 |
16.600 |
| K1 |
7.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2000-07-29T08:45:07.488000Z |
| Discovery magnitude (MPC) |
18.40 R |
| Discovery observatory (MPC) |
699 · Lowell Observatory-LONEOS |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2020-10-21.0000000 |
| e |
0.57792407 |
| q (au) |
2.063101 |
| a (au) |
4.887986 |
| i (deg) |
7.027368 |
| Ω (om, deg) |
322.920313 |
| ω (w, deg) |
4.420991 |
| M (ma, deg) |
300.681499 |
밝기
산란 + 전체 선형
$$
M_a = (19.639 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
19.639 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.700 |
| 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 |
08:15:08.84 |
+21:29:21.0 |
HIP 40325 |
18.73 |
| 2026-05-12 12:00 |
08:15:18.35 |
+21:28:37.3 |
HIP 40325 |
20.97 |
| 2026-05-13 00:00 |
08:15:27.96 |
+21:27:53.4 |
HIP 40544 |
22.86 |
| 2026-05-13 12:00 |
08:15:37.69 |
+21:27:09.1 |
HIP 40544 |
20.64 |
| 2026-05-14 00:00 |
08:15:47.52 |
+21:26:24.4 |
HIP 40544 |
18.43 |
| 2026-05-14 12:00 |
08:15:57.45 |
+21:25:39.5 |
HIP 40544 |
16.26 |
| 2026-05-15 00:00 |
08:16:07.49 |
+21:24:54.2 |
HIP 40544 |
14.15 |
| 2026-05-15 12:00 |
08:16:17.64 |
+21:24:08.6 |
HIP 40544 |
12.15 |
| 2026-05-16 00:00 |
08:16:27.89 |
+21:23:22.7 |
HIP 40544 |
10.36 |
| 2026-05-16 12:00 |
08:16:38.24 |
+21:22:36.4 |
HIP 40544 |
8.90 |
| 2026-05-17 00:00 |
08:16:48.70 |
+21:21:49.8 |
HIP 40544 |
8.00 |
| 2026-05-17 12:00 |
08:16:59.25 |
+21:21:02.9 |
HIP 40544 |
7.87 |
| 2026-05-18 00:00 |
08:17:09.91 |
+21:20:15.7 |
HIP 40544 |
8.56 |
| 2026-05-18 12:00 |
08:17:20.67 |
+21:19:28.1 |
HIP 40544 |
9.93 |
| 2026-05-19 00:00 |
08:17:31.52 |
+21:18:40.3 |
HIP 40650 |
9.37 |
| 2026-05-19 12:00 |
08:17:42.48 |
+21:17:52.1 |
HIP 40650 |
7.57 |
| 2026-05-20 00:00 |
08:17:53.53 |
+21:17:03.6 |
HIP 40650 |
6.41 |
| 2026-05-20 12:00 |
08:18:04.68 |
+21:16:14.8 |
HIP 40650 |
6.28 |
| 2026-05-21 00:00 |
08:18:15.92 |
+21:15:25.7 |
HIP 40650 |
7.27 |
| 2026-05-21 12:00 |
08:18:27.26 |
+21:14:36.3 |
HIP 40650 |
9.04 |
| 2026-05-22 00:00 |
08:18:38.69 |
+21:13:46.6 |
HIP 40781 |
10.68 |
| 2026-05-22 12:00 |
08:18:50.22 |
+21:12:56.5 |
HIP 40781 |
8.25 |
| 2026-05-23 00:00 |
08:19:01.84 |
+21:12:06.2 |
HIP 40781 |
6.14 |
| 2026-05-23 12:00 |
08:19:13.55 |
+21:11:15.6 |
HIP 40781 |
4.83 |
| 2026-05-24 00:00 |
08:19:25.35 |
+21:10:24.6 |
HIP 40781 |
5.04 |
| 2026-05-24 12:00 |
08:19:37.23 |
+21:09:33.4 |
HIP 40781 |
6.64 |
| 2026-05-25 00:00 |
08:19:49.21 |
+21:08:41.9 |
HIP 40781 |
8.95 |
| 2026-05-25 12:00 |
08:20:01.28 |
+21:07:50.1 |
HIP 40781 |
11.55 |
| 2026-05-26 00:00 |
08:20:13.43 |
+21:06:57.9 |
HIP 40807 |
13.76 |
| 2026-05-26 12:00 |
08:20:25.67 |
+21:06:05.5 |
HIP 40807 |
14.74 |
| 2026-05-27 00:00 |
08:20:37.99 |
+21:05:12.8 |
HIP 40807 |
16.23 |
| 2026-05-27 12:00 |
08:20:50.40 |
+21:04:19.8 |
HIP 40807 |
18.12 |
| 2026-05-28 00:00 |
08:21:02.90 |
+21:03:26.5 |
HIP 40807 |
20.30 |
| 2026-05-28 12:00 |
08:21:15.48 |
+21:02:33.0 |
HIP 40866 |
21.79 |
| 2026-05-29 00:00 |
08:21:28.14 |
+21:01:39.1 |
HIP 40866 |
22.98 |
| 2026-05-29 12:00 |
08:21:40.88 |
+21:00:45.0 |
HIP 40866 |
24.51 |
| 2026-05-30 00:00 |
08:21:53.70 |
+20:59:50.6 |
HIP 40866 |
26.34 |
| 2026-05-30 12:00 |
08:22:06.60 |
+20:58:55.9 |
HIP 41083 |
27.38 |
| 2026-05-31 00:00 |
08:22:19.59 |
+20:58:00.9 |
HIP 41083 |
25.36 |
| 2026-05-31 12:00 |
08:22:32.65 |
+20:57:05.6 |
HIP 41083 |
23.60 |
| 2026-06-01 00:00 |
08:22:45.79 |
+20:56:10.1 |
HIP 41083 |
22.14 |
| 2026-06-01 12:00 |
08:22:59.01 |
+20:55:14.2 |
HIP 41083 |
21.08 |
| 2026-06-02 00:00 |
08:23:12.30 |
+20:54:18.1 |
HIP 41083 |
20.47 |