메타데이터
| 항목 |
값 |
| Designation |
C/2013 V5 (Oukaimeden) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2014-09-28T05:21:10.025280Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:32:42Z |
| Obs used |
1519 |
| NEO |
- |
| M1 |
10.800 |
| K1 |
7.250 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2014-05-07.0000000 |
| e |
0.99872022 |
| q (au) |
0.625586 |
| a (au) |
488.821430 |
| i (deg) |
154.885490 |
| Ω (om, deg) |
278.616285 |
| ω (w, deg) |
314.568126 |
| M (ma, deg) |
359.986847 |
밝기
산란 + 전체 선형
$$
M_a = (11.416 + 3.189\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.416 |
| n |
3.189 |
| gf |
1.000 |
| gb |
-0.569 |
| 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
잔차 (구간 선형)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| 시작일 (UTC) |
끝 (UTC) |
a |
b |
| 2013-11-12 |
2014-08-23 |
+2.6983 |
-1.565 |
| 2014-08-23 |
2014-09-28 |
-5.6126 |
-1.006 |
| 2014-09-28 |
2014-10-14 |
+11.8900 |
+2.906 |
| 2014-10-14 |
2015-02-17 |
+5.1684 |
+0.565 |
| 2015-02-17 |
2015-04-19 |
+0.6936 |
+3.285 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-07-29 00:00 |
11:10:56.50 |
+28:32:39.7 |
HIP 54525 |
25.59 |
| 2026-07-29 12:00 |
11:10:59.54 |
+28:32:08.6 |
HIP 54525 |
25.82 |
| 2026-07-30 00:00 |
11:11:02.59 |
+28:31:37.5 |
HIP 54525 |
26.08 |
| 2026-07-30 12:00 |
11:11:05.67 |
+28:31:06.4 |
HIP 54525 |
26.37 |
| 2026-07-31 00:00 |
11:11:08.77 |
+28:30:35.4 |
HIP 54525 |
26.69 |
| 2026-07-31 12:00 |
11:11:11.88 |
+28:30:04.4 |
HIP 54525 |
27.04 |
| 2026-08-01 00:00 |
11:11:15.02 |
+28:29:33.5 |
HIP 54525 |
27.41 |
| 2026-08-01 12:00 |
11:11:18.18 |
+28:29:02.7 |
HIP 54525 |
27.81 |
| 2026-08-02 00:00 |
11:11:21.36 |
+28:28:31.9 |
HIP 54525 |
28.23 |
| 2026-08-02 12:00 |
11:11:24.56 |
+28:28:01.1 |
HIP 54525 |
28.68 |
| 2026-08-03 00:00 |
11:11:27.77 |
+28:27:30.4 |
HIP 54525 |
29.15 |
| 2026-08-03 12:00 |
11:11:31.01 |
+28:26:59.8 |
HIP 54525 |
29.64 |
| 2026-08-04 00:00 |
11:11:34.27 |
+28:26:29.2 |
HIP 54525 |
30.16 |
| 2026-08-04 12:00 |
11:11:37.54 |
+28:25:58.7 |
HIP 54525 |
30.70 |
| 2026-08-05 00:00 |
11:11:40.84 |
+28:25:28.3 |
HIP 54525 |
31.26 |
| 2026-08-05 12:00 |
11:11:44.15 |
+28:24:57.9 |
HIP 54525 |
31.83 |
| 2026-08-06 00:00 |
11:11:47.48 |
+28:24:27.6 |
HIP 54525 |
32.43 |
| 2026-08-06 12:00 |
11:11:50.83 |
+28:23:57.3 |
HIP 54525 |
33.04 |
| 2026-08-07 00:00 |
11:11:54.19 |
+28:23:27.2 |
HIP 54525 |
33.67 |
| 2026-08-07 12:00 |
11:11:57.58 |
+28:22:57.1 |
HIP 54525 |
34.31 |
| 2026-08-08 00:00 |
11:12:00.98 |
+28:22:27.1 |
HIP 54525 |
34.97 |
| 2026-08-08 12:00 |
11:12:04.40 |
+28:21:57.1 |
HIP 54525 |
35.65 |
| 2026-08-09 00:00 |
11:12:07.83 |
+28:21:27.3 |
HIP 54525 |
36.34 |
| 2026-08-09 12:00 |
11:12:11.28 |
+28:20:57.5 |
HIP 54525 |
37.04 |
| 2026-08-10 00:00 |
11:12:14.75 |
+28:20:27.8 |
HIP 54525 |
37.75 |
| 2026-08-10 12:00 |
11:12:18.24 |
+28:19:58.2 |
HIP 54525 |
38.48 |
| 2026-08-11 00:00 |
11:12:21.74 |
+28:19:28.7 |
HIP 54525 |
39.22 |
| 2026-08-11 12:00 |
11:12:25.26 |
+28:18:59.2 |
HIP 54525 |
39.96 |
| 2026-08-12 00:00 |
11:12:28.79 |
+28:18:29.9 |
HIP 54525 |
40.72 |
| 2026-08-12 12:00 |
11:12:32.33 |
+28:18:00.7 |
HIP 54525 |
41.49 |
| 2026-08-13 00:00 |
11:12:35.90 |
+28:17:31.5 |
HIP 54525 |
42.27 |
| 2026-08-13 12:00 |
11:12:39.47 |
+28:17:02.5 |
HIP 55012 |
42.77 |
| 2026-08-14 00:00 |
11:12:43.06 |
+28:16:33.5 |
HIP 55012 |
42.11 |
| 2026-08-14 12:00 |
11:12:46.67 |
+28:16:04.7 |
HIP 55012 |
41.46 |
| 2026-08-15 00:00 |
11:12:50.29 |
+28:15:36.0 |
HIP 55012 |
40.81 |
| 2026-08-15 12:00 |
11:12:53.92 |
+28:15:07.3 |
HIP 55012 |
40.18 |
| 2026-08-16 00:00 |
11:12:57.56 |
+28:14:38.8 |
HIP 55012 |
39.55 |
| 2026-08-16 12:00 |
11:13:01.22 |
+28:14:10.4 |
HIP 55012 |
38.93 |
| 2026-08-17 00:00 |
11:13:04.89 |
+28:13:42.1 |
HIP 55012 |
38.32 |
| 2026-08-17 12:00 |
11:13:08.58 |
+28:13:13.9 |
HIP 55012 |
37.72 |
| 2026-08-18 00:00 |
11:13:12.27 |
+28:12:45.8 |
HIP 55012 |
37.13 |
| 2026-08-18 12:00 |
11:13:15.98 |
+28:12:17.9 |
HIP 55012 |
36.55 |
| 2026-08-19 00:00 |
11:13:19.70 |
+28:11:50.1 |
HIP 55012 |
35.99 |