메타데이터
| 항목 |
값 |
| Designation |
98P/Takamizawa |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2013-08-05T11:26:09.798720Z |
| Orbit solution date (soln_date, UTC) |
2021-06-02T08:41:36Z |
| Obs used |
558 |
| NEO |
- |
| M1 |
14.600 |
| K1 |
8.750 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2011-12-20.0000000 |
| e |
0.56058596 |
| q (au) |
1.672338 |
| a (au) |
3.805837 |
| i (deg) |
10.545980 |
| Ω (om, deg) |
114.752675 |
| ω (w, deg) |
157.947415 |
| M (ma, deg) |
281.084281 |
밝기
산란 + 전체 선형
$$
M_a = (14.094 + 5.937\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
14.094 |
| n |
5.937 |
| gf |
1.000 |
| gb |
-0.737 |
| 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) |
| 2026-03-26 00:00 |
07:22:46.81 |
+23:11:22.9 |
HIP 35842 |
17.47 |
| 2026-03-26 12:00 |
07:22:47.09 |
+23:11:37.1 |
HIP 35842 |
17.63 |
| 2026-03-27 00:00 |
07:22:47.59 |
+23:11:50.7 |
HIP 35842 |
17.77 |
| 2026-03-27 12:00 |
07:22:48.31 |
+23:12:03.9 |
HIP 35842 |
17.87 |
| 2026-03-28 00:00 |
07:22:49.24 |
+23:12:16.7 |
HIP 35842 |
17.94 |
| 2026-03-28 12:00 |
07:22:50.39 |
+23:12:28.9 |
HIP 35842 |
17.99 |
| 2026-03-29 00:00 |
07:22:51.76 |
+23:12:40.7 |
HIP 35842 |
18.01 |
| 2026-03-29 12:00 |
07:22:53.34 |
+23:12:52.0 |
HIP 35842 |
18.02 |
| 2026-03-30 00:00 |
07:22:55.14 |
+23:13:02.8 |
HIP 35842 |
18.00 |
| 2026-03-30 12:00 |
07:22:57.15 |
+23:13:13.1 |
HIP 35842 |
17.97 |
| 2026-03-31 00:00 |
07:22:59.37 |
+23:13:23.0 |
HIP 35842 |
17.92 |
| 2026-03-31 12:00 |
07:23:01.81 |
+23:13:32.4 |
HIP 35842 |
17.87 |
| 2026-04-01 00:00 |
07:23:04.45 |
+23:13:41.3 |
HIP 35842 |
17.82 |
| 2026-04-01 12:00 |
07:23:07.31 |
+23:13:49.8 |
HIP 35842 |
17.76 |
| 2026-04-02 00:00 |
07:23:10.38 |
+23:13:57.8 |
HIP 35842 |
17.71 |
| 2026-04-02 12:00 |
07:23:13.66 |
+23:14:05.3 |
HIP 35842 |
17.68 |
| 2026-04-03 00:00 |
07:23:17.15 |
+23:14:12.4 |
HIP 35842 |
17.66 |
| 2026-04-03 12:00 |
07:23:20.84 |
+23:14:19.0 |
HIP 35842 |
17.67 |
| 2026-04-04 00:00 |
07:23:24.75 |
+23:14:25.1 |
HIP 35842 |
17.71 |
| 2026-04-04 12:00 |
07:23:28.86 |
+23:14:30.8 |
HIP 35842 |
17.79 |
| 2026-04-05 00:00 |
07:23:33.17 |
+23:14:36.0 |
HIP 35842 |
17.91 |
| 2026-04-05 12:00 |
07:23:37.69 |
+23:14:40.8 |
HIP 35842 |
18.09 |
| 2026-04-06 00:00 |
07:23:42.42 |
+23:14:45.1 |
HIP 35842 |
18.32 |
| 2026-04-06 12:00 |
07:23:47.35 |
+23:14:48.9 |
HIP 35842 |
18.62 |
| 2026-04-07 00:00 |
07:23:52.49 |
+23:14:52.3 |
HIP 35842 |
18.99 |
| 2026-04-07 12:00 |
07:23:57.82 |
+23:14:55.3 |
HIP 35842 |
19.43 |
| 2026-04-08 00:00 |
07:24:03.36 |
+23:14:57.8 |
HIP 35930 |
19.91 |
| 2026-04-08 12:00 |
07:24:09.10 |
+23:14:59.8 |
HIP 35930 |
19.66 |
| 2026-04-09 00:00 |
07:24:15.04 |
+23:15:01.4 |
HIP 35930 |
19.48 |
| 2026-04-09 12:00 |
07:24:21.18 |
+23:15:02.5 |
HIP 35930 |
19.39 |
| 2026-04-10 00:00 |
07:24:27.52 |
+23:15:03.2 |
HIP 35930 |
19.40 |
| 2026-04-10 12:00 |
07:24:34.06 |
+23:15:03.4 |
HIP 35930 |
19.51 |
| 2026-04-11 00:00 |
07:24:40.79 |
+23:15:03.2 |
HIP 35930 |
19.74 |
| 2026-04-11 12:00 |
07:24:47.73 |
+23:15:02.5 |
HIP 35930 |
20.09 |
| 2026-04-12 00:00 |
07:24:54.85 |
+23:15:01.4 |
HIP 35930 |
20.56 |
| 2026-04-12 12:00 |
07:25:02.18 |
+23:14:59.8 |
HIP 35930 |
21.17 |
| 2026-04-13 00:00 |
07:25:09.69 |
+23:14:57.8 |
HIP 35930 |
21.90 |
| 2026-04-13 12:00 |
07:25:17.41 |
+23:14:55.4 |
HIP 35930 |
22.76 |
| 2026-04-14 00:00 |
07:25:25.31 |
+23:14:52.4 |
HIP 35930 |
23.74 |
| 2026-04-14 12:00 |
07:25:33.41 |
+23:14:49.1 |
HIP 35930 |
24.83 |
| 2026-04-15 00:00 |
07:25:41.69 |
+23:14:45.3 |
HIP 35930 |
26.04 |
| 2026-04-15 12:00 |
07:25:50.17 |
+23:14:41.0 |
HIP 35930 |
27.35 |
| 2026-04-16 00:00 |
07:25:58.84 |
+23:14:36.3 |
HIP 35930 |
28.77 |