메타데이터
| 항목 |
값 |
| Designation |
237P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2023-05-14T13:55:38.369280Z |
| Orbit solution date (soln_date, UTC) |
2025-02-13T10:11:19Z |
| Obs used |
2268 |
| NEO |
- |
| M1 |
7.600 |
| K1 |
21.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2021-12-09.0000000 |
| e |
0.43436596 |
| q (au) |
1.986663 |
| a (au) |
3.512276 |
| i (deg) |
14.014625 |
| Ω (om, deg) |
245.378783 |
| ω (w, deg) |
25.235831 |
| M (ma, deg) |
281.901559 |
밝기
산란 + 전체 선형
$$
M_a = (8.535 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
8.535 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.998 |
| 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
잔차 (구간 선형)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| 시작일 (UTC) |
끝 (UTC) |
a |
b |
| 2022-02-04 |
2023-05-14 |
+9.5015 |
-3.783 |
| 2023-05-14 |
2023-10-17 |
+15.2071 |
-5.277 |
| 2023-10-17 |
2024-11-21 |
+3.9569 |
-1.564 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
05:26:09.47 |
+19:19:21.7 |
HIP 25534 |
20.68 |
| 2026-06-01 12:00 |
05:26:36.49 |
+19:19:25.0 |
HIP 25534 |
14.32 |
| 2026-06-02 00:00 |
05:27:03.53 |
+19:19:27.9 |
HIP 25534 |
7.99 |
| 2026-06-02 12:00 |
05:27:30.58 |
+19:19:30.4 |
HIP 25534 |
1.98 |
| 2026-06-03 00:00 |
05:27:57.65 |
+19:19:32.6 |
HIP 25534 |
5.05 |
| 2026-06-03 12:00 |
05:28:24.74 |
+19:19:34.3 |
HIP 25534 |
11.35 |
| 2026-06-04 00:00 |
05:28:51.85 |
+19:19:35.7 |
HIP 25534 |
17.72 |
| 2026-06-04 12:00 |
05:29:18.97 |
+19:19:36.7 |
HIP 25534 |
24.10 |
| 2026-06-05 00:00 |
05:29:46.10 |
+19:19:37.2 |
HIP 25867 |
28.75 |
| 2026-06-05 12:00 |
05:30:13.25 |
+19:19:37.4 |
HIP 25867 |
24.14 |
| 2026-06-06 00:00 |
05:30:40.42 |
+19:19:37.2 |
HIP 25867 |
20.50 |
| 2026-06-06 12:00 |
05:31:07.59 |
+19:19:36.6 |
HIP 25908 |
16.26 |
| 2026-06-07 00:00 |
05:31:34.78 |
+19:19:35.6 |
HIP 25908 |
13.75 |
| 2026-06-07 12:00 |
05:32:01.98 |
+19:19:34.2 |
HIP 25965 |
13.10 |
| 2026-06-08 00:00 |
05:32:29.20 |
+19:19:32.4 |
HIP 25965 |
12.30 |
| 2026-06-08 12:00 |
05:32:56.42 |
+19:19:30.1 |
HIP 25965 |
14.61 |
| 2026-06-09 00:00 |
05:33:23.65 |
+19:19:27.5 |
HIP 25965 |
18.92 |
| 2026-06-09 12:00 |
05:33:50.89 |
+19:19:24.5 |
HIP 25965 |
24.19 |
| 2026-06-10 00:00 |
05:34:18.15 |
+19:19:21.0 |
HIP 26298 |
28.14 |
| 2026-06-10 12:00 |
05:34:45.40 |
+19:19:17.2 |
HIP 26298 |
22.77 |
| 2026-06-11 00:00 |
05:35:12.67 |
+19:19:12.9 |
HIP 26298 |
18.10 |
| 2026-06-11 12:00 |
05:35:39.94 |
+19:19:08.2 |
HIP 26298 |
14.82 |
| 2026-06-12 00:00 |
05:36:07.22 |
+19:19:03.2 |
HIP 26298 |
13.96 |
| 2026-06-12 12:00 |
05:36:34.50 |
+19:18:57.6 |
HIP 26298 |
15.90 |
| 2026-06-13 00:00 |
05:37:01.79 |
+19:18:51.7 |
HIP 26411 |
18.55 |
| 2026-06-13 12:00 |
05:37:29.08 |
+19:18:45.4 |
HIP 26411 |
18.37 |
| 2026-06-14 00:00 |
05:37:56.37 |
+19:18:38.6 |
HIP 26411 |
20.34 |
| 2026-06-14 12:00 |
05:38:23.67 |
+19:18:31.4 |
HIP 26411 |
23.93 |
| 2026-06-15 00:00 |
05:38:50.96 |
+19:18:23.8 |
HIP 26411 |
28.54 |
| 2026-06-15 12:00 |
05:39:18.26 |
+19:18:15.8 |
HIP 26677 |
25.60 |
| 2026-06-16 00:00 |
05:39:45.56 |
+19:18:07.3 |
HIP 26677 |
23.39 |
| 2026-06-16 12:00 |
05:40:12.85 |
+19:17:58.4 |
HIP 26826 |
21.81 |
| 2026-06-17 00:00 |
05:40:40.14 |
+19:17:49.1 |
HIP 26826 |
15.52 |
| 2026-06-17 12:00 |
05:41:07.43 |
+19:17:39.4 |
HIP 26826 |
9.45 |
| 2026-06-18 00:00 |
05:41:34.72 |
+19:17:29.2 |
HIP 26826 |
4.52 |
| 2026-06-18 12:00 |
05:42:02.00 |
+19:17:18.6 |
HIP 26826 |
5.89 |
| 2026-06-19 00:00 |
05:42:29.27 |
+19:17:07.6 |
HIP 26826 |
11.48 |
| 2026-06-19 12:00 |
05:42:56.54 |
+19:16:56.1 |
HIP 26826 |
17.66 |
| 2026-06-20 00:00 |
05:43:23.80 |
+19:16:44.3 |
HIP 26925 |
19.28 |
| 2026-06-20 12:00 |
05:43:51.06 |
+19:16:31.9 |
HIP 26925 |
22.30 |
| 2026-06-21 00:00 |
05:44:18.30 |
+19:16:19.2 |
HIP 27171 |
18.74 |
| 2026-06-21 12:00 |
05:44:45.54 |
+19:16:06.0 |
HIP 27171 |
13.23 |
| 2026-06-22 00:00 |
05:45:12.77 |
+19:15:52.4 |
HIP 27171 |
9.03 |