462P/LONEOS-PANSTARRS
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) |
| 2026-02-03 00:00 |
08:27:41.71 |
+21:38:02.2 |
HIP 41431 |
21.56 |
| 2026-02-03 12:00 |
08:27:26.31 |
+21:38:43.6 |
HIP 41431 |
19.59 |
| 2026-02-04 00:00 |
08:27:10.94 |
+21:39:24.6 |
HIP 41431 |
18.15 |
| 2026-02-04 12:00 |
08:26:55.62 |
+21:40:05.3 |
HIP 41431 |
17.36 |
| 2026-02-05 00:00 |
08:26:40.34 |
+21:40:45.7 |
HIP 41431 |
17.32 |
| 2026-02-05 12:00 |
08:26:25.11 |
+21:41:25.7 |
HIP 41431 |
18.01 |
| 2026-02-06 00:00 |
08:26:09.93 |
+21:42:05.3 |
HIP 41431 |
19.35 |
| 2026-02-06 12:00 |
08:25:54.80 |
+21:42:44.6 |
HIP 41431 |
21.22 |
| 2026-02-07 00:00 |
08:25:39.72 |
+21:43:23.5 |
HIP 41431 |
23.48 |
| 2026-02-07 12:00 |
08:25:24.69 |
+21:44:02.1 |
HIP 41431 |
26.02 |
| 2026-02-08 00:00 |
08:25:09.72 |
+21:44:40.2 |
HIP 41130 |
23.83 |
| 2026-02-08 12:00 |
08:24:54.81 |
+21:45:18.0 |
HIP 41130 |
20.33 |
| 2026-02-09 00:00 |
08:24:39.96 |
+21:45:55.4 |
HIP 41130 |
16.85 |
| 2026-02-09 12:00 |
08:24:25.18 |
+21:46:32.4 |
HIP 41130 |
13.40 |
| 2026-02-10 00:00 |
08:24:10.46 |
+21:47:09.0 |
HIP 41130 |
9.99 |
| 2026-02-10 12:00 |
08:23:55.80 |
+21:47:45.2 |
HIP 41130 |
6.66 |
| 2026-02-11 00:00 |
08:23:41.22 |
+21:48:21.0 |
HIP 41130 |
3.60 |
| 2026-02-11 12:00 |
08:23:26.70 |
+21:48:56.3 |
HIP 41130 |
2.26 |
| 2026-02-12 00:00 |
08:23:12.26 |
+21:49:31.3 |
HIP 41130 |
4.53 |
| 2026-02-12 12:00 |
08:22:57.90 |
+21:50:05.8 |
HIP 41130 |
7.67 |
| 2026-02-13 00:00 |
08:22:43.61 |
+21:50:40.0 |
HIP 41130 |
10.94 |
| 2026-02-13 12:00 |
08:22:29.40 |
+21:51:13.6 |
HIP 41130 |
14.23 |
| 2026-02-14 00:00 |
08:22:15.27 |
+21:51:46.9 |
HIP 40950 |
11.28 |
| 2026-02-14 12:00 |
08:22:01.22 |
+21:52:19.7 |
HIP 40950 |
7.99 |
| 2026-02-15 00:00 |
08:21:47.26 |
+21:52:52.1 |
HIP 40950 |
4.75 |
| 2026-02-15 12:00 |
08:21:33.38 |
+21:53:24.0 |
HIP 40950 |
1.68 |
| 2026-02-16 00:00 |
08:21:19.60 |
+21:53:55.5 |
HIP 40950 |
2.08 |
| 2026-02-16 12:00 |
08:21:05.90 |
+21:54:26.5 |
HIP 40950 |
5.16 |
| 2026-02-17 00:00 |
08:20:52.30 |
+21:54:57.1 |
HIP 40920 |
7.54 |
| 2026-02-17 12:00 |
08:20:38.79 |
+21:55:27.2 |
HIP 40920 |
8.85 |
| 2026-02-18 00:00 |
08:20:25.37 |
+21:55:56.8 |
HIP 40920 |
10.93 |
| 2026-02-18 12:00 |
08:20:12.06 |
+21:56:26.0 |
HIP 40920 |
13.42 |
| 2026-02-19 00:00 |
08:19:58.84 |
+21:56:54.7 |
HIP 40920 |
16.11 |
| 2026-02-19 12:00 |
08:19:45.72 |
+21:57:23.0 |
HIP 40920 |
18.91 |
| 2026-02-20 00:00 |
08:19:32.71 |
+21:57:50.7 |
HIP 40920 |
21.76 |
| 2026-02-20 12:00 |
08:19:19.80 |
+21:58:18.0 |
HIP 40696 |
19.42 |
| 2026-02-21 00:00 |
08:19:07.00 |
+21:58:44.8 |
HIP 40696 |
17.29 |
| 2026-02-21 12:00 |
08:18:54.31 |
+21:59:11.1 |
HIP 40696 |
15.48 |
| 2026-02-22 00:00 |
08:18:41.72 |
+21:59:37.0 |
HIP 40696 |
14.08 |
| 2026-02-22 12:00 |
08:18:29.25 |
+22:00:02.3 |
HIP 40696 |
13.21 |
| 2026-02-23 00:00 |
08:18:16.88 |
+22:00:27.2 |
HIP 40696 |
12.96 |
| 2026-02-23 12:00 |
08:18:04.63 |
+22:00:51.6 |
HIP 40696 |
13.34 |
| 2026-02-24 00:00 |
08:17:52.50 |
+22:01:15.5 |
HIP 40696 |
14.29 |