메타데이터
| 항목 |
값 |
| Designation |
62P/Tsuchinshan 1 |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2017-11-16T02:53:15.889920Z |
| Orbit solution date (soln_date, UTC) |
2025-03-14T14:47:38Z |
| Obs used |
3392 |
| NEO |
- |
| M1 |
13.300 |
| K1 |
14.750 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2017-10-28.0000000 |
| e |
0.59747574 |
| q (au) |
1.383805 |
| a (au) |
3.437817 |
| i (deg) |
9.707775 |
| Ω (om, deg) |
90.244520 |
| ω (w, deg) |
30.348693 |
| M (ma, deg) |
357.043519 |
밝기
산란 + 전체 선형
$$
M_a = (12.301 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.301 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.666 |
| k |
0.993 |
| 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 |
| 2023-08-29 |
2024-06-04 |
+4.3690 |
-2.091 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-05-12 00:00 |
19:41:39.59 |
-24:26:14.7 |
HIP 96967 |
13.55 |
| 2026-05-12 12:00 |
19:41:34.35 |
-24:26:50.7 |
HIP 96967 |
14.86 |
| 2026-05-13 00:00 |
19:41:28.90 |
-24:27:27.2 |
HIP 96967 |
16.22 |
| 2026-05-13 12:00 |
19:41:23.23 |
-24:28:04.2 |
HIP 96967 |
17.64 |
| 2026-05-14 00:00 |
19:41:17.34 |
-24:28:41.7 |
HIP 96967 |
19.10 |
| 2026-05-14 12:00 |
19:41:11.24 |
-24:29:19.6 |
HIP 96967 |
20.62 |
| 2026-05-15 00:00 |
19:41:04.92 |
-24:29:58.0 |
HIP 96707 |
21.15 |
| 2026-05-15 12:00 |
19:40:58.38 |
-24:30:36.9 |
HIP 96707 |
19.55 |
| 2026-05-16 00:00 |
19:40:51.62 |
-24:31:16.2 |
HIP 96707 |
17.91 |
| 2026-05-16 12:00 |
19:40:44.65 |
-24:31:56.0 |
HIP 96707 |
16.22 |
| 2026-05-17 00:00 |
19:40:37.46 |
-24:32:36.3 |
HIP 96707 |
14.50 |
| 2026-05-17 12:00 |
19:40:30.06 |
-24:33:17.0 |
HIP 96707 |
12.73 |
| 2026-05-18 00:00 |
19:40:22.44 |
-24:33:58.1 |
HIP 96707 |
10.93 |
| 2026-05-18 12:00 |
19:40:14.61 |
-24:34:39.7 |
HIP 96707 |
9.10 |
| 2026-05-19 00:00 |
19:40:06.57 |
-24:35:21.7 |
HIP 96707 |
7.27 |
| 2026-05-19 12:00 |
19:39:58.31 |
-24:36:04.1 |
HIP 96707 |
5.49 |
| 2026-05-20 00:00 |
19:39:49.83 |
-24:36:46.9 |
HIP 96707 |
3.88 |
| 2026-05-20 12:00 |
19:39:41.15 |
-24:37:30.2 |
HIP 96707 |
2.89 |
| 2026-05-21 00:00 |
19:39:32.26 |
-24:38:13.9 |
HIP 96707 |
3.25 |
| 2026-05-21 12:00 |
19:39:23.15 |
-24:38:57.9 |
HIP 96707 |
4.72 |
| 2026-05-22 00:00 |
19:39:13.84 |
-24:39:42.4 |
HIP 96707 |
6.65 |
| 2026-05-22 12:00 |
19:39:04.31 |
-24:40:27.2 |
HIP 96707 |
8.77 |
| 2026-05-23 00:00 |
19:38:54.58 |
-24:41:12.5 |
HIP 96707 |
11.00 |
| 2026-05-23 12:00 |
19:38:44.64 |
-24:41:58.1 |
HIP 96707 |
13.31 |
| 2026-05-24 00:00 |
19:38:34.50 |
-24:42:44.0 |
HIP 96707 |
15.68 |
| 2026-05-24 12:00 |
19:38:24.15 |
-24:43:30.3 |
HIP 96707 |
18.12 |
| 2026-05-25 00:00 |
19:38:13.59 |
-24:44:17.0 |
HIP 96707 |
20.60 |
| 2026-05-25 12:00 |
19:38:02.83 |
-24:45:04.0 |
HIP 96465 |
19.91 |
| 2026-05-26 00:00 |
19:37:51.87 |
-24:45:51.4 |
HIP 96465 |
17.31 |
| 2026-05-26 12:00 |
19:37:40.71 |
-24:46:39.1 |
HIP 96465 |
14.68 |
| 2026-05-27 00:00 |
19:37:29.35 |
-24:47:27.1 |
HIP 96465 |
12.02 |
| 2026-05-27 12:00 |
19:37:17.78 |
-24:48:15.4 |
HIP 96465 |
9.33 |
| 2026-05-28 00:00 |
19:37:06.02 |
-24:49:04.0 |
HIP 96465 |
6.66 |
| 2026-05-28 12:00 |
19:36:54.06 |
-24:49:53.0 |
HIP 96465 |
4.10 |
| 2026-05-29 00:00 |
19:36:41.90 |
-24:50:42.2 |
HIP 96465 |
2.31 |
| 2026-05-29 12:00 |
19:36:29.55 |
-24:51:31.7 |
HIP 96465 |
3.27 |
| 2026-05-30 00:00 |
19:36:17.00 |
-24:52:21.5 |
HIP 96465 |
5.79 |
| 2026-05-30 12:00 |
19:36:04.26 |
-24:53:11.6 |
HIP 96465 |
8.65 |
| 2026-05-31 00:00 |
19:35:51.33 |
-24:54:01.9 |
HIP 96406 |
11.14 |
| 2026-05-31 12:00 |
19:35:38.20 |
-24:54:52.5 |
HIP 96406 |
12.88 |
| 2026-06-01 00:00 |
19:35:24.89 |
-24:55:43.3 |
HIP 96333 |
12.77 |
| 2026-06-01 12:00 |
19:35:11.38 |
-24:56:34.4 |
HIP 96333 |
11.45 |
| 2026-06-02 00:00 |
19:34:57.69 |
-24:57:25.7 |
HIP 96333 |
10.93 |