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) |
| 2026-09-25 00:00 |
02:23:12.34 |
-43:01:44.1 |
HIP 11034 |
12.42 |
| 2026-09-25 12:00 |
02:23:07.33 |
-43:02:27.5 |
HIP 11034 |
11.75 |
| 2026-09-26 00:00 |
02:23:02.29 |
-43:03:10.4 |
HIP 11034 |
11.16 |
| 2026-09-26 12:00 |
02:22:57.21 |
-43:03:53.0 |
HIP 11034 |
10.65 |
| 2026-09-27 00:00 |
02:22:52.11 |
-43:04:35.1 |
HIP 11034 |
10.25 |
| 2026-09-27 12:00 |
02:22:46.97 |
-43:05:16.9 |
HIP 11043 |
9.30 |
| 2026-09-28 00:00 |
02:22:41.80 |
-43:05:58.3 |
HIP 11043 |
8.15 |
| 2026-09-28 12:00 |
02:22:36.60 |
-43:06:39.3 |
HIP 11043 |
7.01 |
| 2026-09-29 00:00 |
02:22:31.37 |
-43:07:19.9 |
HIP 11043 |
5.88 |
| 2026-09-29 12:00 |
02:22:26.11 |
-43:08:00.1 |
HIP 11043 |
4.78 |
| 2026-09-30 00:00 |
02:22:20.82 |
-43:08:39.9 |
HIP 11043 |
3.72 |
| 2026-09-30 12:00 |
02:22:15.51 |
-43:09:19.3 |
HIP 11043 |
2.76 |
| 2026-10-01 00:00 |
02:22:10.16 |
-43:09:58.3 |
HIP 11043 |
2.04 |
| 2026-10-01 12:00 |
02:22:04.78 |
-43:10:36.8 |
HIP 11043 |
1.87 |
| 2026-10-02 00:00 |
02:21:59.37 |
-43:11:14.9 |
HIP 11043 |
2.37 |
| 2026-10-02 12:00 |
02:21:53.94 |
-43:11:52.6 |
HIP 11043 |
3.24 |
| 2026-10-03 00:00 |
02:21:48.48 |
-43:12:29.9 |
HIP 11043 |
4.26 |
| 2026-10-03 12:00 |
02:21:42.99 |
-43:13:06.7 |
HIP 11043 |
5.35 |
| 2026-10-04 00:00 |
02:21:37.48 |
-43:13:43.1 |
HIP 11043 |
6.47 |
| 2026-10-04 12:00 |
02:21:31.94 |
-43:14:19.1 |
HIP 11043 |
7.61 |
| 2026-10-05 00:00 |
02:21:26.38 |
-43:14:54.6 |
HIP 11043 |
8.76 |
| 2026-10-05 12:00 |
02:21:20.79 |
-43:15:29.7 |
HIP 11043 |
9.91 |
| 2026-10-06 00:00 |
02:21:15.17 |
-43:16:04.3 |
HIP 11043 |
11.07 |
| 2026-10-06 12:00 |
02:21:09.53 |
-43:16:38.5 |
HIP 11043 |
12.24 |
| 2026-10-07 00:00 |
02:21:03.87 |
-43:17:12.2 |
HIP 11043 |
13.41 |
| 2026-10-07 12:00 |
02:20:58.18 |
-43:17:45.4 |
HIP 11043 |
14.58 |
| 2026-10-08 00:00 |
02:20:52.47 |
-43:18:18.2 |
HIP 11043 |
15.75 |
| 2026-10-08 12:00 |
02:20:46.74 |
-43:18:50.5 |
HIP 11043 |
16.92 |
| 2026-10-09 00:00 |
02:20:40.99 |
-43:19:22.3 |
HIP 11043 |
18.09 |
| 2026-10-09 12:00 |
02:20:35.22 |
-43:19:53.7 |
HIP 11043 |
19.26 |
| 2026-10-10 00:00 |
02:20:29.42 |
-43:20:24.6 |
HIP 11043 |
20.43 |
| 2026-10-10 12:00 |
02:20:23.61 |
-43:20:55.0 |
HIP 11043 |
21.60 |
| 2026-10-11 00:00 |
02:20:17.77 |
-43:21:24.9 |
HIP 11043 |
22.78 |
| 2026-10-11 12:00 |
02:20:11.92 |
-43:21:54.3 |
HIP 11043 |
23.95 |
| 2026-10-12 00:00 |
02:20:06.05 |
-43:22:23.2 |
HIP 11043 |
25.12 |
| 2026-10-12 12:00 |
02:20:00.16 |
-43:22:51.7 |
HIP 11043 |
26.29 |
| 2026-10-13 00:00 |
02:19:54.25 |
-43:23:19.6 |
HIP 11043 |
27.46 |
| 2026-10-13 12:00 |
02:19:48.33 |
-43:23:47.1 |
HIP 11043 |
28.63 |
| 2026-10-14 00:00 |
02:19:42.39 |
-43:24:14.0 |
HIP 11040 |
29.67 |
| 2026-10-14 12:00 |
02:19:36.43 |
-43:24:40.4 |
HIP 11040 |
30.47 |
| 2026-10-15 00:00 |
02:19:30.46 |
-43:25:06.4 |
HIP 11040 |
31.30 |
| 2026-10-15 12:00 |
02:19:24.48 |
-43:25:31.8 |
HIP 11040 |
32.16 |
| 2026-10-16 00:00 |
02:19:18.48 |
-43:25:56.7 |
HIP 10601 |
32.43 |