C/2016 R3 (Borisov)
메타데이터
| 항목 |
값 |
| Designation |
C/2016 R3 (Borisov) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2016-10-10T23:59:06.622080Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:33:26Z |
| Obs used |
60 |
| NEO |
- |
| M1 |
16.700 |
| K1 |
4.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2016-09-15.0000000 |
| e |
0.99548615 |
| q (au) |
0.446783 |
| a (au) |
98.980564 |
| i (deg) |
53.067840 |
| Ω (om, deg) |
78.669399 |
| ω (w, deg) |
118.135919 |
| M (ma, deg) |
359.973978 |
밝기
산란 + 전체 선형
$$
M_a = (17.476 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
17.476 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-1.000 |
| 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) |
| 2026-02-03 00:00 |
02:03:07.70 |
-42:06:18.9 |
HIP 9673 |
14.60 |
| 2026-02-03 12:00 |
02:03:09.10 |
-42:05:14.4 |
HIP 9673 |
14.22 |
| 2026-02-04 00:00 |
02:03:10.55 |
-42:04:09.9 |
HIP 9673 |
13.90 |
| 2026-02-04 12:00 |
02:03:12.05 |
-42:03:05.5 |
HIP 9673 |
13.66 |
| 2026-02-05 00:00 |
02:03:13.61 |
-42:02:01.0 |
HIP 9673 |
13.49 |
| 2026-02-05 12:00 |
02:03:15.21 |
-42:00:56.6 |
HIP 9673 |
13.41 |
| 2026-02-06 00:00 |
02:03:16.87 |
-41:59:52.2 |
HIP 9673 |
13.41 |
| 2026-02-06 12:00 |
02:03:18.58 |
-41:58:47.8 |
HIP 9673 |
13.49 |
| 2026-02-07 00:00 |
02:03:20.34 |
-41:57:43.5 |
HIP 9673 |
13.66 |
| 2026-02-07 12:00 |
02:03:22.15 |
-41:56:39.2 |
HIP 9673 |
13.90 |
| 2026-02-08 00:00 |
02:03:24.01 |
-41:55:35.0 |
HIP 9673 |
14.22 |
| 2026-02-08 12:00 |
02:03:25.92 |
-41:54:30.8 |
HIP 9673 |
14.62 |
| 2026-02-09 00:00 |
02:03:27.88 |
-41:53:26.7 |
HIP 9673 |
15.08 |
| 2026-02-09 12:00 |
02:03:29.89 |
-41:52:22.6 |
HIP 9673 |
15.60 |
| 2026-02-10 00:00 |
02:03:31.95 |
-41:51:18.6 |
HIP 9555 |
15.73 |
| 2026-02-10 12:00 |
02:03:34.06 |
-41:50:14.6 |
HIP 9555 |
15.08 |
| 2026-02-11 00:00 |
02:03:36.22 |
-41:49:10.8 |
HIP 9555 |
14.49 |
| 2026-02-11 12:00 |
02:03:38.43 |
-41:48:07.0 |
HIP 9555 |
13.97 |
| 2026-02-12 00:00 |
02:03:40.69 |
-41:47:03.2 |
HIP 9555 |
13.55 |
| 2026-02-12 12:00 |
02:03:43.00 |
-41:45:59.6 |
HIP 9555 |
13.21 |
| 2026-02-13 00:00 |
02:03:45.35 |
-41:44:56.1 |
HIP 9555 |
12.98 |
| 2026-02-13 12:00 |
02:03:47.76 |
-41:43:52.6 |
HIP 9555 |
12.85 |
| 2026-02-14 00:00 |
02:03:50.21 |
-41:42:49.2 |
HIP 9555 |
12.84 |
| 2026-02-14 12:00 |
02:03:52.71 |
-41:41:46.0 |
HIP 9555 |
12.94 |
| 2026-02-15 00:00 |
02:03:55.26 |
-41:40:42.8 |
HIP 9555 |
13.15 |
| 2026-02-15 12:00 |
02:03:57.85 |
-41:39:39.8 |
HIP 9555 |
13.46 |
| 2026-02-16 00:00 |
02:04:00.49 |
-41:38:36.9 |
HIP 9555 |
13.87 |
| 2026-02-16 12:00 |
02:04:03.18 |
-41:37:34.1 |
HIP 9555 |
14.37 |
| 2026-02-17 00:00 |
02:04:05.92 |
-41:36:31.4 |
HIP 9555 |
14.96 |
| 2026-02-17 12:00 |
02:04:08.70 |
-41:35:28.9 |
HIP 9555 |
15.62 |
| 2026-02-18 00:00 |
02:04:11.52 |
-41:34:26.4 |
HIP 9555 |
16.34 |
| 2026-02-18 12:00 |
02:04:14.40 |
-41:33:24.2 |
HIP 9555 |
17.12 |
| 2026-02-19 00:00 |
02:04:17.32 |
-41:32:22.0 |
HIP 9555 |
17.95 |
| 2026-02-19 12:00 |
02:04:20.28 |
-41:31:20.0 |
HIP 9555 |
18.83 |
| 2026-02-20 00:00 |
02:04:23.29 |
-41:30:18.2 |
HIP 9555 |
19.74 |
| 2026-02-20 12:00 |
02:04:26.34 |
-41:29:16.5 |
HIP 9555 |
20.68 |
| 2026-02-21 00:00 |
02:04:29.44 |
-41:28:15.0 |
HIP 9555 |
21.66 |
| 2026-02-21 12:00 |
02:04:32.58 |
-41:27:13.6 |
HIP 9776 |
21.08 |
| 2026-02-22 00:00 |
02:04:35.77 |
-41:26:12.4 |
HIP 9776 |
19.91 |
| 2026-02-22 12:00 |
02:04:39.00 |
-41:25:11.4 |
HIP 9776 |
18.75 |
| 2026-02-23 00:00 |
02:04:42.27 |
-41:24:10.5 |
HIP 9776 |
17.58 |
| 2026-02-23 12:00 |
02:04:45.58 |
-41:23:09.8 |
HIP 9776 |
16.41 |
| 2026-02-24 00:00 |
02:04:48.94 |
-41:22:09.3 |
HIP 9776 |
15.23 |