메타데이터
| 항목 |
값 |
| Designation |
C/2000 H1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2000-01-29T06:37:45.935040Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:04Z |
| Obs used |
112 |
| NEO |
- |
| M1 |
13.500 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2000-06-10.0000000 |
| e |
1.00207029 |
| q (au) |
3.638124 |
| a (au) |
-1757.299516 |
| i (deg) |
118.236996 |
| Ω (om, deg) |
356.443281 |
| ω (w, deg) |
78.874677 |
| M (ma, deg) |
0.001776 |
밝기
산란 + 전체 선형
$$
M_a = (6.510 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
6.510 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.500 |
| 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) |
| 2026-05-12 00:00 |
09:05:55.02 |
-25:11:50.3 |
HIP 44660 |
5.50 |
| 2026-05-12 12:00 |
09:05:55.18 |
-25:11:27.2 |
HIP 44660 |
5.12 |
| 2026-05-13 00:00 |
09:05:55.37 |
-25:11:04.1 |
HIP 44660 |
4.73 |
| 2026-05-13 12:00 |
09:05:55.59 |
-25:10:41.2 |
HIP 44660 |
4.35 |
| 2026-05-14 00:00 |
09:05:55.82 |
-25:10:18.3 |
HIP 44660 |
3.97 |
| 2026-05-14 12:00 |
09:05:56.08 |
-25:09:55.6 |
HIP 44660 |
3.59 |
| 2026-05-15 00:00 |
09:05:56.36 |
-25:09:33.0 |
HIP 44660 |
3.21 |
| 2026-05-15 12:00 |
09:05:56.66 |
-25:09:10.5 |
HIP 44660 |
2.84 |
| 2026-05-16 00:00 |
09:05:56.98 |
-25:08:48.1 |
HIP 44660 |
2.46 |
| 2026-05-16 12:00 |
09:05:57.33 |
-25:08:25.8 |
HIP 44660 |
2.08 |
| 2026-05-17 00:00 |
09:05:57.70 |
-25:08:03.6 |
HIP 44660 |
1.71 |
| 2026-05-17 12:00 |
09:05:58.09 |
-25:07:41.6 |
HIP 44660 |
1.34 |
| 2026-05-18 00:00 |
09:05:58.50 |
-25:07:19.7 |
HIP 44660 |
0.98 |
| 2026-05-18 12:00 |
09:05:58.94 |
-25:06:57.9 |
HIP 44660 |
0.62 |
| 2026-05-19 00:00 |
09:05:59.40 |
-25:06:36.2 |
HIP 44660 |
0.32 |
| 2026-05-19 12:00 |
09:05:59.88 |
-25:06:14.7 |
HIP 44660 |
0.31 |
| 2026-05-20 00:00 |
09:06:00.38 |
-25:05:53.3 |
HIP 44660 |
0.61 |
| 2026-05-20 12:00 |
09:06:00.90 |
-25:05:32.0 |
HIP 44660 |
0.96 |
| 2026-05-21 00:00 |
09:06:01.45 |
-25:05:10.9 |
HIP 44660 |
1.32 |
| 2026-05-21 12:00 |
09:06:02.01 |
-25:04:49.9 |
HIP 44660 |
1.69 |
| 2026-05-22 00:00 |
09:06:02.60 |
-25:04:29.0 |
HIP 44660 |
2.05 |
| 2026-05-22 12:00 |
09:06:03.21 |
-25:04:08.2 |
HIP 44660 |
2.42 |
| 2026-05-23 00:00 |
09:06:03.84 |
-25:03:47.6 |
HIP 44660 |
2.79 |
| 2026-05-23 12:00 |
09:06:04.49 |
-25:03:27.2 |
HIP 44660 |
3.16 |
| 2026-05-24 00:00 |
09:06:05.17 |
-25:03:06.8 |
HIP 44660 |
3.53 |
| 2026-05-24 12:00 |
09:06:05.86 |
-25:02:46.6 |
HIP 44660 |
3.89 |
| 2026-05-25 00:00 |
09:06:06.58 |
-25:02:26.6 |
HIP 44660 |
4.26 |
| 2026-05-25 12:00 |
09:06:07.31 |
-25:02:06.7 |
HIP 44660 |
4.63 |
| 2026-05-26 00:00 |
09:06:08.07 |
-25:01:46.9 |
HIP 44660 |
5.00 |
| 2026-05-26 12:00 |
09:06:08.85 |
-25:01:27.3 |
HIP 44660 |
5.36 |
| 2026-05-27 00:00 |
09:06:09.65 |
-25:01:07.9 |
HIP 44660 |
5.73 |
| 2026-05-27 12:00 |
09:06:10.47 |
-25:00:48.6 |
HIP 44660 |
6.10 |
| 2026-05-28 00:00 |
09:06:11.31 |
-25:00:29.4 |
HIP 44660 |
6.46 |
| 2026-05-28 12:00 |
09:06:12.17 |
-25:00:10.4 |
HIP 44660 |
6.83 |
| 2026-05-29 00:00 |
09:06:13.05 |
-24:59:51.5 |
HIP 44660 |
7.20 |
| 2026-05-29 12:00 |
09:06:13.95 |
-24:59:32.8 |
HIP 44660 |
7.56 |
| 2026-05-30 00:00 |
09:06:14.87 |
-24:59:14.3 |
HIP 44660 |
7.93 |
| 2026-05-30 12:00 |
09:06:15.81 |
-24:58:55.9 |
HIP 44660 |
8.30 |
| 2026-05-31 00:00 |
09:06:16.77 |
-24:58:37.6 |
HIP 44660 |
8.66 |
| 2026-05-31 12:00 |
09:06:17.75 |
-24:58:19.5 |
HIP 44660 |
9.03 |
| 2026-06-01 00:00 |
09:06:18.75 |
-24:58:01.6 |
HIP 44660 |
9.40 |
| 2026-06-01 12:00 |
09:06:19.77 |
-24:57:43.8 |
HIP 44660 |
9.77 |
| 2026-06-02 00:00 |
09:06:20.81 |
-24:57:26.2 |
HIP 44660 |
10.13 |