메타데이터
| 항목 |
값 |
| Designation |
C/2013 V3 (Nevski) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2013-10-29T21:44:27.254400Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:32:42Z |
| Obs used |
904 |
| NEO |
- |
| M1 |
15.400 |
| K1 |
5.750 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2013-12-03.0000000 |
| e |
0.89097069 |
| q (au) |
1.386694 |
| a (au) |
12.718543 |
| i (deg) |
32.134529 |
| Ω (om, deg) |
100.918155 |
| ω (w, deg) |
339.643363 |
| M (ma, deg) |
0.740845 |
밝기
산란 + 전체 선형
$$
M_a = (12.738 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.738 |
| 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
잔차 (구간 선형)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| 시작일 (UTC) |
끝 (UTC) |
a |
b |
| 2013-11-06 |
2014-03-08 |
+8.9180 |
-2.644 |
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 |
16:48:15.10 |
-05:47:46.2 |
HIP 82183 |
28.69 |
| 2026-07-29 12:00 |
16:48:12.02 |
-05:48:03.8 |
HIP 82183 |
28.09 |
| 2026-07-30 00:00 |
16:48:08.98 |
-05:48:21.5 |
HIP 82183 |
27.51 |
| 2026-07-30 12:00 |
16:48:05.98 |
-05:48:39.3 |
HIP 82183 |
26.94 |
| 2026-07-31 00:00 |
16:48:03.01 |
-05:48:57.4 |
HIP 82183 |
26.39 |
| 2026-07-31 12:00 |
16:48:00.10 |
-05:49:15.6 |
HIP 82183 |
25.84 |
| 2026-08-01 00:00 |
16:47:57.22 |
-05:49:34.0 |
HIP 82183 |
25.31 |
| 2026-08-01 12:00 |
16:47:54.38 |
-05:49:52.6 |
HIP 82183 |
24.80 |
| 2026-08-02 00:00 |
16:47:51.59 |
-05:50:11.4 |
HIP 82183 |
24.29 |
| 2026-08-02 12:00 |
16:47:48.83 |
-05:50:30.3 |
HIP 82183 |
23.81 |
| 2026-08-03 00:00 |
16:47:46.12 |
-05:50:49.4 |
HIP 82183 |
23.33 |
| 2026-08-03 12:00 |
16:47:43.45 |
-05:51:08.7 |
HIP 82183 |
22.87 |
| 2026-08-04 00:00 |
16:47:40.83 |
-05:51:28.1 |
HIP 82183 |
22.42 |
| 2026-08-04 12:00 |
16:47:38.25 |
-05:51:47.7 |
HIP 82183 |
21.99 |
| 2026-08-05 00:00 |
16:47:35.71 |
-05:52:07.5 |
HIP 82183 |
21.57 |
| 2026-08-05 12:00 |
16:47:33.21 |
-05:52:27.4 |
HIP 82183 |
21.17 |
| 2026-08-06 00:00 |
16:47:30.76 |
-05:52:47.5 |
HIP 82183 |
20.77 |
| 2026-08-06 12:00 |
16:47:28.35 |
-05:53:07.8 |
HIP 82183 |
20.40 |
| 2026-08-07 00:00 |
16:47:25.99 |
-05:53:28.2 |
HIP 82183 |
20.03 |
| 2026-08-07 12:00 |
16:47:23.66 |
-05:53:48.8 |
HIP 82183 |
19.69 |
| 2026-08-08 00:00 |
16:47:21.39 |
-05:54:09.6 |
HIP 82183 |
19.35 |
| 2026-08-08 12:00 |
16:47:19.16 |
-05:54:30.5 |
HIP 82183 |
19.03 |
| 2026-08-09 00:00 |
16:47:16.97 |
-05:54:51.5 |
HIP 82183 |
18.72 |
| 2026-08-09 12:00 |
16:47:14.83 |
-05:55:12.8 |
HIP 82183 |
18.43 |
| 2026-08-10 00:00 |
16:47:12.73 |
-05:55:34.1 |
HIP 82183 |
18.15 |
| 2026-08-10 12:00 |
16:47:10.68 |
-05:55:55.7 |
HIP 82183 |
17.88 |
| 2026-08-11 00:00 |
16:47:08.67 |
-05:56:17.3 |
HIP 82183 |
17.63 |
| 2026-08-11 12:00 |
16:47:06.71 |
-05:56:39.2 |
HIP 82183 |
17.39 |
| 2026-08-12 00:00 |
16:47:04.79 |
-05:57:01.1 |
HIP 82183 |
17.16 |
| 2026-08-12 12:00 |
16:47:02.92 |
-05:57:23.3 |
HIP 82183 |
16.95 |
| 2026-08-13 00:00 |
16:47:01.10 |
-05:57:45.5 |
HIP 82183 |
16.74 |
| 2026-08-13 12:00 |
16:46:59.32 |
-05:58:07.9 |
HIP 82183 |
16.55 |
| 2026-08-14 00:00 |
16:46:57.59 |
-05:58:30.5 |
HIP 82183 |
16.37 |
| 2026-08-14 12:00 |
16:46:55.90 |
-05:58:53.2 |
HIP 82183 |
16.20 |
| 2026-08-15 00:00 |
16:46:54.26 |
-05:59:16.0 |
HIP 82183 |
16.04 |
| 2026-08-15 12:00 |
16:46:52.67 |
-05:59:38.9 |
HIP 82183 |
15.90 |
| 2026-08-16 00:00 |
16:46:51.12 |
-06:00:02.0 |
HIP 82183 |
15.76 |
| 2026-08-16 12:00 |
16:46:49.62 |
-06:00:25.3 |
HIP 82183 |
15.63 |
| 2026-08-17 00:00 |
16:46:48.17 |
-06:00:48.6 |
HIP 82183 |
15.51 |
| 2026-08-17 12:00 |
16:46:46.77 |
-06:01:12.1 |
HIP 82183 |
15.40 |
| 2026-08-18 00:00 |
16:46:45.41 |
-06:01:35.7 |
HIP 82183 |
15.30 |
| 2026-08-18 12:00 |
16:46:44.10 |
-06:01:59.5 |
HIP 82183 |
15.20 |
| 2026-08-19 00:00 |
16:46:42.83 |
-06:02:23.3 |
HIP 82183 |
15.11 |