메타데이터
| 항목 |
값 |
| Designation |
148P/Anderson-LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2015-06-13T16:15:58.455360Z |
| Orbit solution date (soln_date, UTC) |
2024-05-15T12:05:54Z |
| Obs used |
250 |
| NEO |
- |
| M1 |
13.000 |
| K1 |
14.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2012-11-05.0000000 |
| e |
0.53932159 |
| q (au) |
1.694251 |
| a (au) |
3.677730 |
| i (deg) |
3.682208 |
| Ω (om, deg) |
89.790123 |
| ω (w, deg) |
6.596200 |
| M (ma, deg) |
227.148123 |
밝기
산란 + 전체 선형
$$
M_a = (11.853 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.853 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.923 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
19:44:56.20 |
-22:33:34.3 |
HIP 97138 |
18.59 |
| 2026-06-01 12:00 |
19:44:45.33 |
-22:34:13.4 |
HIP 97138 |
17.37 |
| 2026-06-02 00:00 |
19:44:34.28 |
-22:34:53.0 |
HIP 97138 |
16.47 |
| 2026-06-02 12:00 |
19:44:23.05 |
-22:35:32.9 |
HIP 97138 |
15.95 |
| 2026-06-03 00:00 |
19:44:11.63 |
-22:36:13.2 |
HIP 97138 |
15.88 |
| 2026-06-03 12:00 |
19:44:00.04 |
-22:36:53.8 |
HIP 97138 |
16.29 |
| 2026-06-04 00:00 |
19:43:48.27 |
-22:37:34.8 |
HIP 97138 |
17.15 |
| 2026-06-04 12:00 |
19:43:36.33 |
-22:38:16.1 |
HIP 97138 |
18.43 |
| 2026-06-05 00:00 |
19:43:24.21 |
-22:38:57.8 |
HIP 97138 |
20.05 |
| 2026-06-05 12:00 |
19:43:11.91 |
-22:39:39.8 |
HIP 97138 |
21.97 |
| 2026-06-06 00:00 |
19:42:59.44 |
-22:40:22.2 |
HIP 96913 |
22.13 |
| 2026-06-06 12:00 |
19:42:46.79 |
-22:41:04.9 |
HIP 96913 |
21.08 |
| 2026-06-07 00:00 |
19:42:33.98 |
-22:41:47.9 |
HIP 96913 |
20.42 |
| 2026-06-07 12:00 |
19:42:20.99 |
-22:42:31.2 |
HIP 96913 |
20.20 |
| 2026-06-08 00:00 |
19:42:07.83 |
-22:43:14.8 |
HIP 96913 |
20.45 |
| 2026-06-08 12:00 |
19:41:54.51 |
-22:43:58.7 |
HIP 96785 |
20.93 |
| 2026-06-09 00:00 |
19:41:41.02 |
-22:44:42.9 |
HIP 96785 |
17.85 |
| 2026-06-09 12:00 |
19:41:27.36 |
-22:45:27.4 |
HIP 96785 |
14.78 |
| 2026-06-10 00:00 |
19:41:13.54 |
-22:46:12.1 |
HIP 96785 |
11.76 |
| 2026-06-10 12:00 |
19:40:59.55 |
-22:46:57.2 |
HIP 96785 |
8.88 |
| 2026-06-11 00:00 |
19:40:45.41 |
-22:47:42.5 |
HIP 96785 |
6.42 |
| 2026-06-11 12:00 |
19:40:31.10 |
-22:48:28.0 |
HIP 96785 |
5.08 |
| 2026-06-12 00:00 |
19:40:16.64 |
-22:49:13.8 |
HIP 96785 |
5.79 |
| 2026-06-12 12:00 |
19:40:02.02 |
-22:49:59.9 |
HIP 96785 |
8.06 |
| 2026-06-13 00:00 |
19:39:47.25 |
-22:50:46.2 |
HIP 96785 |
11.00 |
| 2026-06-13 12:00 |
19:39:32.32 |
-22:51:32.7 |
HIP 96785 |
14.22 |
| 2026-06-14 00:00 |
19:39:17.24 |
-22:52:19.4 |
HIP 96785 |
17.59 |
| 2026-06-14 12:00 |
19:39:02.01 |
-22:53:06.4 |
HIP 96785 |
21.06 |
| 2026-06-15 00:00 |
19:38:46.64 |
-22:53:53.5 |
HIP 96785 |
24.59 |
| 2026-06-15 12:00 |
19:38:31.11 |
-22:54:40.8 |
HIP 96785 |
28.19 |
| 2026-06-16 00:00 |
19:38:15.45 |
-22:55:28.4 |
HIP 96431 |
31.31 |
| 2026-06-16 12:00 |
19:37:59.64 |
-22:56:16.1 |
HIP 96431 |
27.79 |
| 2026-06-17 00:00 |
19:37:43.70 |
-22:57:03.9 |
HIP 96431 |
24.32 |
| 2026-06-17 12:00 |
19:37:27.62 |
-22:57:51.9 |
HIP 96431 |
20.91 |
| 2026-06-18 00:00 |
19:37:11.40 |
-22:58:40.1 |
HIP 96431 |
17.63 |
| 2026-06-18 12:00 |
19:36:55.05 |
-22:59:28.4 |
HIP 96431 |
14.60 |
| 2026-06-19 00:00 |
19:36:38.57 |
-23:00:16.9 |
HIP 96431 |
12.02 |
| 2026-06-19 12:00 |
19:36:21.96 |
-23:01:05.4 |
HIP 96431 |
10.30 |
| 2026-06-20 00:00 |
19:36:05.22 |
-23:01:54.1 |
HIP 96431 |
9.91 |
| 2026-06-20 12:00 |
19:35:48.37 |
-23:02:42.9 |
HIP 96431 |
11.02 |
| 2026-06-21 00:00 |
19:35:31.39 |
-23:03:31.8 |
HIP 96431 |
13.29 |
| 2026-06-21 12:00 |
19:35:14.29 |
-23:04:20.8 |
HIP 96240 |
15.20 |
| 2026-06-22 00:00 |
19:34:57.07 |
-23:05:09.8 |
HIP 96240 |
11.64 |