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) |
| 2026-03-26 00:00 |
19:34:31.11 |
-24:07:44.9 |
HIP 96274 |
16.23 |
| 2026-03-26 12:00 |
19:34:44.37 |
-24:07:35.0 |
HIP 96274 |
16.23 |
| 2026-03-27 00:00 |
19:34:57.46 |
-24:07:25.5 |
HIP 96274 |
16.78 |
| 2026-03-27 12:00 |
19:35:10.38 |
-24:07:16.4 |
HIP 96274 |
17.81 |
| 2026-03-28 00:00 |
19:35:23.15 |
-24:07:07.7 |
HIP 96394 |
17.04 |
| 2026-03-28 12:00 |
19:35:35.74 |
-24:06:59.3 |
HIP 96394 |
16.15 |
| 2026-03-29 00:00 |
19:35:48.17 |
-24:06:51.4 |
HIP 96394 |
15.73 |
| 2026-03-29 12:00 |
19:36:00.44 |
-24:06:43.8 |
HIP 96394 |
15.82 |
| 2026-03-30 00:00 |
19:36:12.53 |
-24:06:36.6 |
HIP 96394 |
16.37 |
| 2026-03-30 12:00 |
19:36:24.46 |
-24:06:29.8 |
HIP 96394 |
17.33 |
| 2026-03-31 00:00 |
19:36:36.22 |
-24:06:23.5 |
HIP 96394 |
18.61 |
| 2026-03-31 12:00 |
19:36:47.80 |
-24:06:17.5 |
HIP 96394 |
20.14 |
| 2026-04-01 00:00 |
19:36:59.22 |
-24:06:11.9 |
HIP 96394 |
21.86 |
| 2026-04-01 12:00 |
19:37:10.46 |
-24:06:06.8 |
HIP 96394 |
23.70 |
| 2026-04-02 00:00 |
19:37:21.54 |
-24:06:02.1 |
HIP 96394 |
25.63 |
| 2026-04-02 12:00 |
19:37:32.43 |
-24:05:57.8 |
HIP 96674 |
23.88 |
| 2026-04-03 00:00 |
19:37:43.16 |
-24:05:53.9 |
HIP 96674 |
21.51 |
| 2026-04-03 12:00 |
19:37:53.71 |
-24:05:50.5 |
HIP 96674 |
19.18 |
| 2026-04-04 00:00 |
19:38:04.08 |
-24:05:47.5 |
HIP 96674 |
16.92 |
| 2026-04-04 12:00 |
19:38:14.28 |
-24:05:44.9 |
HIP 96674 |
14.72 |
| 2026-04-05 00:00 |
19:38:24.30 |
-24:05:42.7 |
HIP 96674 |
12.61 |
| 2026-04-05 12:00 |
19:38:34.14 |
-24:05:41.1 |
HIP 96674 |
10.59 |
| 2026-04-06 00:00 |
19:38:43.80 |
-24:05:39.8 |
HIP 96674 |
8.73 |
| 2026-04-06 12:00 |
19:38:53.28 |
-24:05:39.0 |
HIP 96674 |
7.08 |
| 2026-04-07 00:00 |
19:39:02.58 |
-24:05:38.7 |
HIP 96674 |
5.80 |
| 2026-04-07 12:00 |
19:39:11.70 |
-24:05:38.8 |
HIP 96674 |
5.11 |
| 2026-04-08 00:00 |
19:39:20.63 |
-24:05:39.4 |
HIP 96674 |
5.20 |
| 2026-04-08 12:00 |
19:39:29.39 |
-24:05:40.4 |
HIP 96674 |
5.99 |
| 2026-04-09 00:00 |
19:39:37.95 |
-24:05:41.9 |
HIP 96674 |
7.23 |
| 2026-04-09 12:00 |
19:39:46.33 |
-24:05:43.9 |
HIP 96674 |
8.69 |
| 2026-04-10 00:00 |
19:39:54.53 |
-24:05:46.4 |
HIP 96674 |
10.26 |
| 2026-04-10 12:00 |
19:40:02.53 |
-24:05:49.3 |
HIP 96674 |
11.88 |
| 2026-04-11 00:00 |
19:40:10.35 |
-24:05:52.7 |
HIP 96674 |
13.51 |
| 2026-04-11 12:00 |
19:40:17.98 |
-24:05:56.6 |
HIP 96674 |
15.12 |
| 2026-04-12 00:00 |
19:40:25.42 |
-24:06:01.0 |
HIP 96674 |
16.72 |
| 2026-04-12 12:00 |
19:40:32.67 |
-24:06:05.9 |
HIP 96674 |
18.29 |
| 2026-04-13 00:00 |
19:40:39.72 |
-24:06:11.3 |
HIP 96674 |
19.84 |
| 2026-04-13 12:00 |
19:40:46.59 |
-24:06:17.1 |
HIP 96674 |
21.34 |
| 2026-04-14 00:00 |
19:40:53.26 |
-24:06:23.5 |
HIP 96674 |
22.81 |
| 2026-04-14 12:00 |
19:40:59.73 |
-24:06:30.4 |
HIP 96674 |
24.25 |
| 2026-04-15 00:00 |
19:41:06.01 |
-24:06:37.7 |
HIP 96674 |
25.64 |
| 2026-04-15 12:00 |
19:41:12.09 |
-24:06:45.6 |
HIP 96967 |
25.14 |
| 2026-04-16 00:00 |
19:41:17.98 |
-24:06:54.0 |
HIP 96967 |
24.02 |