메타데이터
| 항목 |
값 |
| Designation |
453P/WISE-Lemmon |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2023-03-02T23:53:38.328000Z |
| Orbit solution date (soln_date, UTC) |
2023-08-06T18:13:35Z |
| Obs used |
324 |
| NEO |
- |
| M1 |
11.400 |
| K1 |
16.750 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2022-11-01T07:57:29.203200Z |
| Discovery magnitude (MPC) |
19.39 G |
| Discovery observatory (MPC) |
G96 · University of Arizona Mt. Lemmon Survey |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2022-10-12.0000000 |
| e |
0.58243939 |
| q (au) |
2.278541 |
| a (au) |
5.456791 |
| i (deg) |
27.067709 |
| Ω (om, deg) |
42.897454 |
| ω (w, deg) |
70.816364 |
| M (ma, deg) |
349.020743 |
밝기
산란 + 전체 선형
$$
M_a = (11.183 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.183 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-1.000 |
| 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) |
| 2026-07-29 00:00 |
16:34:48.08 |
-40:58:01.9 |
HIP 81407 |
32.15 |
| 2026-07-29 12:00 |
16:34:40.79 |
-40:57:07.6 |
HIP 81407 |
33.40 |
| 2026-07-30 00:00 |
16:34:33.67 |
-40:56:13.3 |
HIP 81407 |
34.65 |
| 2026-07-30 12:00 |
16:34:26.73 |
-40:55:18.9 |
HIP 80928 |
33.68 |
| 2026-07-31 00:00 |
16:34:19.98 |
-40:54:24.4 |
HIP 80928 |
32.29 |
| 2026-07-31 12:00 |
16:34:13.41 |
-40:53:29.9 |
HIP 80928 |
30.95 |
| 2026-08-01 00:00 |
16:34:07.01 |
-40:52:35.4 |
HIP 80928 |
29.67 |
| 2026-08-01 12:00 |
16:34:00.80 |
-40:51:40.9 |
HIP 80928 |
28.44 |
| 2026-08-02 00:00 |
16:33:54.77 |
-40:50:46.4 |
HIP 80928 |
27.27 |
| 2026-08-02 12:00 |
16:33:48.92 |
-40:49:51.9 |
HIP 80928 |
26.17 |
| 2026-08-03 00:00 |
16:33:43.26 |
-40:48:57.3 |
HIP 80928 |
25.13 |
| 2026-08-03 12:00 |
16:33:37.78 |
-40:48:02.9 |
HIP 80928 |
24.16 |
| 2026-08-04 00:00 |
16:33:32.47 |
-40:47:08.4 |
HIP 80928 |
23.27 |
| 2026-08-04 12:00 |
16:33:27.35 |
-40:46:14.0 |
HIP 80928 |
22.45 |
| 2026-08-05 00:00 |
16:33:22.42 |
-40:45:19.6 |
HIP 80928 |
21.72 |
| 2026-08-05 12:00 |
16:33:17.67 |
-40:44:25.3 |
HIP 80928 |
21.08 |
| 2026-08-06 00:00 |
16:33:13.09 |
-40:43:31.0 |
HIP 80928 |
20.53 |
| 2026-08-06 12:00 |
16:33:08.71 |
-40:42:36.8 |
HIP 80928 |
20.08 |
| 2026-08-07 00:00 |
16:33:04.50 |
-40:41:42.7 |
HIP 80914 |
19.28 |
| 2026-08-07 12:00 |
16:33:00.48 |
-40:40:48.7 |
HIP 80914 |
18.42 |
| 2026-08-08 00:00 |
16:32:56.65 |
-40:39:54.8 |
HIP 80914 |
17.62 |
| 2026-08-08 12:00 |
16:32:52.99 |
-40:39:01.0 |
HIP 80914 |
16.90 |
| 2026-08-09 00:00 |
16:32:49.52 |
-40:38:07.3 |
HIP 80914 |
16.26 |
| 2026-08-09 12:00 |
16:32:46.24 |
-40:37:13.7 |
HIP 80914 |
15.70 |
| 2026-08-10 00:00 |
16:32:43.13 |
-40:36:20.2 |
HIP 80914 |
15.24 |
| 2026-08-10 12:00 |
16:32:40.22 |
-40:35:26.9 |
HIP 80914 |
14.88 |
| 2026-08-11 00:00 |
16:32:37.48 |
-40:34:33.7 |
HIP 80914 |
14.61 |
| 2026-08-11 12:00 |
16:32:34.93 |
-40:33:40.7 |
HIP 80914 |
14.44 |
| 2026-08-12 00:00 |
16:32:32.56 |
-40:32:47.8 |
HIP 80914 |
14.37 |
| 2026-08-12 12:00 |
16:32:30.38 |
-40:31:55.1 |
HIP 80914 |
14.40 |
| 2026-08-13 00:00 |
16:32:28.38 |
-40:31:02.6 |
HIP 80914 |
14.53 |
| 2026-08-13 12:00 |
16:32:26.57 |
-40:30:10.2 |
HIP 80914 |
14.74 |
| 2026-08-14 00:00 |
16:32:24.93 |
-40:29:18.1 |
HIP 80914 |
15.02 |
| 2026-08-14 12:00 |
16:32:23.48 |
-40:28:26.1 |
HIP 80914 |
15.39 |
| 2026-08-15 00:00 |
16:32:22.22 |
-40:27:34.3 |
HIP 80914 |
15.82 |
| 2026-08-15 12:00 |
16:32:21.13 |
-40:26:42.8 |
HIP 80914 |
16.30 |
| 2026-08-16 00:00 |
16:32:20.23 |
-40:25:51.4 |
HIP 80924 |
16.31 |
| 2026-08-16 12:00 |
16:32:19.51 |
-40:25:00.3 |
HIP 80924 |
15.54 |
| 2026-08-17 00:00 |
16:32:18.97 |
-40:24:09.4 |
HIP 80924 |
14.81 |
| 2026-08-17 12:00 |
16:32:18.61 |
-40:23:18.8 |
HIP 80924 |
14.12 |
| 2026-08-18 00:00 |
16:32:18.43 |
-40:22:28.4 |
HIP 80924 |
13.48 |
| 2026-08-18 12:00 |
16:32:18.43 |
-40:21:38.2 |
HIP 80924 |
12.88 |
| 2026-08-19 00:00 |
16:32:18.61 |
-40:20:48.3 |
HIP 80924 |
12.34 |