메타데이터
| 항목 |
값 |
| Designation |
C/2010 U3 (Boattini) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2019-02-26T02:57:05.869440Z |
| Orbit solution date (soln_date, UTC) |
2023-05-10T17:42:22Z |
| Obs used |
4354 |
| NEO |
- |
| M1 |
6.300 |
| K1 |
6.250 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2017-06-18.0000000 |
| e |
1.00085475 |
| q (au) |
8.445819 |
| a (au) |
-9881.022043 |
| i (deg) |
55.512084 |
| Ω (om, deg) |
43.072839 |
| ω (w, deg) |
88.065133 |
| M (ma, deg) |
-0.000620 |
밝기
산란 + 전체 선형
$$
M_a = (4.728 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
4.728 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.962 |
| k |
0.800 |
| δ90 |
9.998 |
| 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
잔차 (구간 선형)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| 시작일 (UTC) |
끝 (UTC) |
a |
b |
| 2005-11-05 |
2010-11-28 |
+3.2013 |
-4.882 |
| 2010-11-28 |
2014-12-20 |
-9.5815 |
+10.967 |
| 2014-12-20 |
2016-01-14 |
-1.5209 |
+2.101 |
| 2016-01-14 |
2017-01-27 |
-14.7858 |
+15.392 |
| 2017-01-27 |
2019-02-26 |
+8.0172 |
-7.205 |
| 2019-02-26 |
2021-03-05 |
+65.7270 |
-61.376 |
| 2021-03-05 |
2022-12-25 |
-18.5573 |
+20.893 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
14:32:32.59 |
-12:44:30.8 |
HIP 71113 |
15.72 |
| 2026-06-01 12:00 |
14:32:26.92 |
-12:44:29.5 |
HIP 71113 |
15.80 |
| 2026-06-02 00:00 |
14:32:21.29 |
-12:44:28.5 |
HIP 71113 |
16.00 |
| 2026-06-02 12:00 |
14:32:15.70 |
-12:44:27.6 |
HIP 71113 |
16.31 |
| 2026-06-03 00:00 |
14:32:10.14 |
-12:44:26.8 |
HIP 71113 |
16.71 |
| 2026-06-03 12:00 |
14:32:04.61 |
-12:44:26.3 |
HIP 71113 |
17.21 |
| 2026-06-04 00:00 |
14:31:59.13 |
-12:44:25.9 |
HIP 71113 |
17.79 |
| 2026-06-04 12:00 |
14:31:53.68 |
-12:44:25.7 |
HIP 71113 |
18.45 |
| 2026-06-05 00:00 |
14:31:48.26 |
-12:44:25.7 |
HIP 71113 |
19.16 |
| 2026-06-05 12:00 |
14:31:42.89 |
-12:44:25.8 |
HIP 71113 |
19.93 |
| 2026-06-06 00:00 |
14:31:37.55 |
-12:44:26.2 |
HIP 71113 |
20.74 |
| 2026-06-06 12:00 |
14:31:32.25 |
-12:44:26.7 |
HIP 71113 |
21.59 |
| 2026-06-07 00:00 |
14:31:26.99 |
-12:44:27.5 |
HIP 71113 |
22.48 |
| 2026-06-07 12:00 |
14:31:21.78 |
-12:44:28.4 |
HIP 71113 |
23.39 |
| 2026-06-08 00:00 |
14:31:16.60 |
-12:44:29.5 |
HIP 71113 |
24.33 |
| 2026-06-08 12:00 |
14:31:11.46 |
-12:44:30.8 |
HIP 71113 |
25.28 |
| 2026-06-09 00:00 |
14:31:06.36 |
-12:44:32.3 |
HIP 71113 |
26.25 |
| 2026-06-09 12:00 |
14:31:01.30 |
-12:44:34.0 |
HIP 70975 |
26.86 |
| 2026-06-10 00:00 |
14:30:56.28 |
-12:44:35.9 |
HIP 70975 |
26.92 |
| 2026-06-10 12:00 |
14:30:51.31 |
-12:44:38.0 |
HIP 70975 |
27.04 |
| 2026-06-11 00:00 |
14:30:46.38 |
-12:44:40.3 |
HIP 70975 |
27.21 |
| 2026-06-11 12:00 |
14:30:41.49 |
-12:44:42.8 |
HIP 70975 |
27.44 |
| 2026-06-12 00:00 |
14:30:36.65 |
-12:44:45.5 |
HIP 70975 |
27.72 |
| 2026-06-12 12:00 |
14:30:31.84 |
-12:44:48.4 |
HIP 70975 |
28.04 |
| 2026-06-13 00:00 |
14:30:27.09 |
-12:44:51.5 |
HIP 70975 |
28.41 |
| 2026-06-13 12:00 |
14:30:22.37 |
-12:44:54.8 |
HIP 70975 |
28.83 |
| 2026-06-14 00:00 |
14:30:17.70 |
-12:44:58.4 |
HIP 70975 |
29.28 |
| 2026-06-14 12:00 |
14:30:13.08 |
-12:45:02.1 |
HIP 70975 |
29.76 |
| 2026-06-15 00:00 |
14:30:08.50 |
-12:45:06.1 |
HIP 70975 |
30.28 |
| 2026-06-15 12:00 |
14:30:03.97 |
-12:45:10.3 |
HIP 70975 |
30.83 |
| 2026-06-16 00:00 |
14:29:59.49 |
-12:45:14.7 |
HIP 70975 |
31.41 |
| 2026-06-16 12:00 |
14:29:55.05 |
-12:45:19.4 |
HIP 70975 |
32.01 |
| 2026-06-17 00:00 |
14:29:50.66 |
-12:45:24.2 |
HIP 70975 |
32.64 |
| 2026-06-17 12:00 |
14:29:46.31 |
-12:45:29.3 |
HIP 70975 |
33.28 |
| 2026-06-18 00:00 |
14:29:42.01 |
-12:45:34.6 |
HIP 70975 |
33.94 |
| 2026-06-18 12:00 |
14:29:37.77 |
-12:45:40.1 |
HIP 70975 |
34.62 |
| 2026-06-19 00:00 |
14:29:33.57 |
-12:45:45.9 |
HIP 70975 |
35.31 |
| 2026-06-19 12:00 |
14:29:29.41 |
-12:45:51.9 |
HIP 70975 |
36.01 |
| 2026-06-20 00:00 |
14:29:25.31 |
-12:45:58.1 |
HIP 70975 |
36.72 |
| 2026-06-20 12:00 |
14:29:21.26 |
-12:46:04.5 |
HIP 70634 |
36.76 |
| 2026-06-21 00:00 |
14:29:17.25 |
-12:46:11.2 |
HIP 70634 |
35.78 |
| 2026-06-21 12:00 |
14:29:13.30 |
-12:46:18.1 |
HIP 70634 |
34.82 |
| 2026-06-22 00:00 |
14:29:09.39 |
-12:46:25.2 |
HIP 70634 |
33.86 |