메타데이터
| 항목 |
값 |
| Designation |
160P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2012-09-18T12:33:16.488000Z |
| Orbit solution date (soln_date, UTC) |
2022-05-19T21:13:49Z |
| Obs used |
973 |
| NEO |
- |
| M1 |
6.700 |
| K1 |
31.250 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2012-09-19.0000000 |
| e |
0.47909715 |
| q (au) |
2.066541 |
| a (au) |
3.967229 |
| i (deg) |
17.276215 |
| Ω (om, deg) |
337.002091 |
| ω (w, deg) |
18.198295 |
| M (ma, deg) |
0.059483 |
밝기
산란 + 전체 선형
$$
M_a = (10.016 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
10.016 |
| n |
6.000 |
| gf |
0.800 |
| gb |
-0.994 |
| k |
1.000 |
| δ90 |
1.000 |
| 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 |
| 2019-07-15 |
2019-08-02 |
+40.9969 |
-10.922 |
| 2019-08-02 |
2020-10-25 |
-18.3580 |
+8.627 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-03-26 00:00 |
16:11:39.59 |
-39:44:27.5 |
HIP 79429 |
11.49 |
| 2026-03-26 12:00 |
16:11:42.06 |
-39:47:27.0 |
HIP 79429 |
11.39 |
| 2026-03-27 00:00 |
16:11:44.16 |
-39:50:26.0 |
HIP 79429 |
12.13 |
| 2026-03-27 12:00 |
16:11:45.91 |
-39:53:24.4 |
HIP 79429 |
13.57 |
| 2026-03-28 00:00 |
16:11:47.28 |
-39:56:22.3 |
HIP 79311 |
13.41 |
| 2026-03-28 12:00 |
16:11:48.29 |
-39:59:19.6 |
HIP 79311 |
11.16 |
| 2026-03-29 00:00 |
16:11:48.93 |
-40:02:16.3 |
HIP 79311 |
9.26 |
| 2026-03-29 12:00 |
16:11:49.20 |
-40:05:12.4 |
HIP 79311 |
7.97 |
| 2026-03-30 00:00 |
16:11:49.10 |
-40:08:07.9 |
HIP 79311 |
7.57 |
| 2026-03-30 12:00 |
16:11:48.62 |
-40:11:02.7 |
HIP 79311 |
8.19 |
| 2026-03-31 00:00 |
16:11:47.77 |
-40:13:56.8 |
HIP 79311 |
9.62 |
| 2026-03-31 12:00 |
16:11:46.53 |
-40:16:50.2 |
HIP 79311 |
11.57 |
| 2026-04-01 00:00 |
16:11:44.92 |
-40:19:42.9 |
HIP 79290 |
11.40 |
| 2026-04-01 12:00 |
16:11:42.93 |
-40:22:34.9 |
HIP 79290 |
9.70 |
| 2026-04-02 00:00 |
16:11:40.55 |
-40:25:26.2 |
HIP 79290 |
8.57 |
| 2026-04-02 12:00 |
16:11:37.79 |
-40:28:16.6 |
HIP 79290 |
8.28 |
| 2026-04-03 00:00 |
16:11:34.64 |
-40:31:06.3 |
HIP 79290 |
8.88 |
| 2026-04-03 12:00 |
16:11:31.10 |
-40:33:55.2 |
HIP 79290 |
10.24 |
| 2026-04-04 00:00 |
16:11:27.17 |
-40:36:43.2 |
HIP 79290 |
12.10 |
| 2026-04-04 12:00 |
16:11:22.85 |
-40:39:30.3 |
HIP 79290 |
14.27 |
| 2026-04-05 00:00 |
16:11:18.14 |
-40:42:16.6 |
HIP 79290 |
16.63 |
| 2026-04-05 12:00 |
16:11:13.03 |
-40:45:01.9 |
HIP 79290 |
19.11 |
| 2026-04-06 00:00 |
16:11:07.52 |
-40:47:46.3 |
HIP 79320 |
19.49 |
| 2026-04-06 12:00 |
16:11:01.62 |
-40:50:29.8 |
HIP 79320 |
16.95 |
| 2026-04-07 00:00 |
16:10:55.31 |
-40:53:12.3 |
HIP 79320 |
14.59 |
| 2026-04-07 12:00 |
16:10:48.61 |
-40:55:53.7 |
HIP 79320 |
12.54 |
| 2026-04-08 00:00 |
16:10:41.50 |
-40:58:34.1 |
HIP 79320 |
10.99 |
| 2026-04-08 12:00 |
16:10:33.99 |
-41:01:13.5 |
HIP 79320 |
10.17 |
| 2026-04-09 00:00 |
16:10:26.07 |
-41:03:51.7 |
HIP 79197 |
8.63 |
| 2026-04-09 12:00 |
16:10:17.75 |
-41:06:28.8 |
HIP 79197 |
5.82 |
| 2026-04-10 00:00 |
16:10:09.02 |
-41:09:04.8 |
HIP 79197 |
3.38 |
| 2026-04-10 12:00 |
16:09:59.89 |
-41:11:39.6 |
HIP 79197 |
2.74 |
| 2026-04-11 00:00 |
16:09:50.34 |
-41:14:13.2 |
HIP 79197 |
4.76 |
| 2026-04-11 12:00 |
16:09:40.39 |
-41:16:45.5 |
HIP 79197 |
7.57 |
| 2026-04-12 00:00 |
16:09:30.03 |
-41:19:16.6 |
HIP 79197 |
10.59 |
| 2026-04-12 12:00 |
16:09:19.25 |
-41:21:46.4 |
HIP 79197 |
13.70 |
| 2026-04-13 00:00 |
16:09:08.07 |
-41:24:14.8 |
HIP 79197 |
16.86 |
| 2026-04-13 12:00 |
16:08:56.48 |
-41:26:41.9 |
HIP 79197 |
20.07 |
| 2026-04-14 00:00 |
16:08:44.47 |
-41:29:07.6 |
HIP 79197 |
23.31 |
| 2026-04-14 12:00 |
16:08:32.06 |
-41:31:31.8 |
HIP 79197 |
26.60 |
| 2026-04-15 00:00 |
16:08:19.23 |
-41:33:54.6 |
HIP 79197 |
29.92 |
| 2026-04-15 12:00 |
16:08:06.00 |
-41:36:16.0 |
HIP 78966 |
29.57 |
| 2026-04-16 00:00 |
16:07:52.35 |
-41:38:35.7 |
HIP 78966 |
26.58 |