메타데이터
| 항목 |
값 |
| Designation |
C/2026 L1 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2027-04-11T11:15:38.914560Z |
| Orbit solution date (soln_date, UTC) |
2026-07-28T14:12:18Z |
| Obs used |
130 |
| NEO |
- |
| M1 |
7.100 |
| K1 |
12.250 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2026-06-08T13:11:13.603200Z |
| Discovery magnitude (MPC) |
20.06 w |
| Discovery observatory (MPC) |
F51 · Pan-STARRS 1, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2026-06-19.0000000 |
| e |
0.99380132 |
| q (au) |
4.878960 |
| a (au) |
787.096363 |
| i (deg) |
67.264069 |
| Ω (om, deg) |
130.503466 |
| ω (w, deg) |
200.607909 |
| M (ma, deg) |
359.986768 |
밝기
산란 + 전체 선형
$$
M_a = (7.956 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
7.956 |
| n |
6.000 |
| gf |
0.951 |
| gb |
-0.732 |
| k |
0.800 |
| δ90 |
7.464 |
| 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) |
| 2026-07-29 00:00 |
20:22:58.37 |
-06:39:58.4 |
HIP 100427 |
17.01 |
| 2026-07-29 12:00 |
20:22:41.56 |
-06:44:49.4 |
HIP 100427 |
15.97 |
| 2026-07-30 00:00 |
20:22:24.74 |
-06:49:41.3 |
HIP 100427 |
17.42 |
| 2026-07-30 12:00 |
20:22:07.91 |
-06:54:34.1 |
HIP 100427 |
20.84 |
| 2026-07-31 00:00 |
20:21:51.08 |
-06:59:27.8 |
HIP 100427 |
25.47 |
| 2026-07-31 12:00 |
20:21:34.25 |
-07:04:22.2 |
HIP 100427 |
30.77 |
| 2026-08-01 00:00 |
20:21:17.42 |
-07:09:17.5 |
HIP 100326 |
36.13 |
| 2026-08-01 12:00 |
20:21:00.60 |
-07:14:13.6 |
HIP 100326 |
30.59 |
| 2026-08-02 00:00 |
20:20:43.79 |
-07:19:10.4 |
HIP 100326 |
25.48 |
| 2026-08-02 12:00 |
20:20:26.98 |
-07:24:08.0 |
HIP 100326 |
21.11 |
| 2026-08-03 00:00 |
20:20:10.19 |
-07:29:06.3 |
HIP 100326 |
18.05 |
| 2026-08-03 12:00 |
20:19:53.41 |
-07:34:05.3 |
HIP 100326 |
17.01 |
| 2026-08-04 00:00 |
20:19:36.66 |
-07:39:05.0 |
HIP 100326 |
18.35 |
| 2026-08-04 12:00 |
20:19:19.92 |
-07:44:05.3 |
HIP 100326 |
21.64 |
| 2026-08-05 00:00 |
20:19:03.21 |
-07:49:06.3 |
HIP 100054 |
22.18 |
| 2026-08-05 12:00 |
20:18:46.52 |
-07:54:07.9 |
HIP 100054 |
15.78 |
| 2026-08-06 00:00 |
20:18:29.86 |
-07:59:10.0 |
HIP 100054 |
9.51 |
| 2026-08-06 12:00 |
20:18:13.23 |
-08:04:12.7 |
HIP 100054 |
4.11 |
| 2026-08-07 00:00 |
20:17:56.64 |
-08:09:16.0 |
HIP 100054 |
5.30 |
| 2026-08-07 12:00 |
20:17:40.09 |
-08:14:19.7 |
HIP 100054 |
11.15 |
| 2026-08-08 00:00 |
20:17:23.57 |
-08:19:24.0 |
HIP 100054 |
17.48 |
| 2026-08-08 12:00 |
20:17:07.10 |
-08:24:28.7 |
HIP 100054 |
23.90 |
| 2026-08-09 00:00 |
20:16:50.67 |
-08:29:33.8 |
HIP 100031 |
25.55 |
| 2026-08-09 12:00 |
20:16:34.29 |
-08:34:39.4 |
HIP 100031 |
23.96 |
| 2026-08-10 00:00 |
20:16:17.96 |
-08:39:45.4 |
HIP 99829 |
21.47 |
| 2026-08-10 12:00 |
20:16:01.69 |
-08:44:51.7 |
HIP 99829 |
15.01 |
| 2026-08-11 00:00 |
20:15:45.47 |
-08:49:58.4 |
HIP 99829 |
8.60 |
| 2026-08-11 12:00 |
20:15:29.32 |
-08:55:05.4 |
HIP 99829 |
2.69 |
| 2026-08-12 00:00 |
20:15:13.22 |
-09:00:12.7 |
HIP 99829 |
4.96 |
| 2026-08-12 12:00 |
20:14:57.19 |
-09:05:20.2 |
HIP 99829 |
11.22 |
| 2026-08-13 00:00 |
20:14:41.23 |
-09:10:28.0 |
HIP 99829 |
17.64 |
| 2026-08-13 12:00 |
20:14:25.34 |
-09:15:36.0 |
HIP 99714 |
22.34 |
| 2026-08-14 00:00 |
20:14:09.53 |
-09:20:44.2 |
HIP 99714 |
16.49 |
| 2026-08-14 12:00 |
20:13:53.79 |
-09:25:52.6 |
HIP 99714 |
11.32 |
| 2026-08-15 00:00 |
20:13:38.13 |
-09:31:01.1 |
HIP 99714 |
8.18 |
| 2026-08-15 12:00 |
20:13:22.55 |
-09:36:09.8 |
HIP 99714 |
9.38 |
| 2026-08-16 00:00 |
20:13:07.06 |
-09:41:18.5 |
HIP 99582 |
8.21 |
| 2026-08-16 12:00 |
20:12:51.65 |
-09:46:27.3 |
HIP 99582 |
6.08 |
| 2026-08-17 00:00 |
20:12:36.34 |
-09:51:36.1 |
HIP 99582 |
9.40 |
| 2026-08-17 12:00 |
20:12:21.11 |
-09:56:45.0 |
HIP 99582 |
14.87 |
| 2026-08-18 00:00 |
20:12:05.98 |
-10:01:53.8 |
HIP 99582 |
20.85 |
| 2026-08-18 12:00 |
20:11:50.95 |
-10:07:02.6 |
HIP 99582 |
26.99 |
| 2026-08-19 00:00 |
20:11:36.02 |
-10:12:11.4 |
HIP 99543 |
31.61 |