메타데이터
| 항목 |
값 |
| Designation |
434P/Tenagra |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2021-10-23T17:11:42.446400Z |
| Orbit solution date (soln_date, UTC) |
2024-02-17T03:13:57Z |
| Obs used |
188 |
| NEO |
- |
| M1 |
9.200 |
| K1 |
18.000 |
| PC |
0.030 |
| Discovery observation (MPC, UTC) |
2021-09-30T03:48:48.960000Z |
| Discovery magnitude (MPC) |
20.00 T |
| Discovery observatory (MPC) |
Z84 · Calar Alto-Schmidt |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2018-10-04.0000000 |
| e |
0.27168414 |
| q (au) |
3.021756 |
| a (au) |
4.148963 |
| i (deg) |
6.319545 |
| Ω (om, deg) |
288.996686 |
| ω (w, deg) |
126.932278 |
| M (ma, deg) |
229.878650 |
밝기
산란 + 전체 선형
$$
M_a = (12.973 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.973 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.688 |
| k |
0.800 |
| 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) |
| 2026-06-01 00:00 |
16:15:39.89 |
-26:34:22.1 |
HIP 79815 |
26.56 |
| 2026-06-01 12:00 |
16:15:21.25 |
-26:33:22.5 |
HIP 79546 |
25.18 |
| 2026-06-02 00:00 |
16:15:02.63 |
-26:32:22.5 |
HIP 79546 |
21.40 |
| 2026-06-02 12:00 |
16:14:44.04 |
-26:31:22.1 |
HIP 79546 |
17.86 |
| 2026-06-03 00:00 |
16:14:25.49 |
-26:30:21.3 |
HIP 79546 |
14.71 |
| 2026-06-03 12:00 |
16:14:06.98 |
-26:29:20.1 |
HIP 79546 |
12.26 |
| 2026-06-04 00:00 |
16:13:48.51 |
-26:28:18.6 |
HIP 79546 |
10.97 |
| 2026-06-04 12:00 |
16:13:30.08 |
-26:27:16.7 |
HIP 79546 |
11.26 |
| 2026-06-05 00:00 |
16:13:11.70 |
-26:26:14.4 |
HIP 79442 |
7.26 |
| 2026-06-05 12:00 |
16:12:53.37 |
-26:25:11.7 |
HIP 79442 |
3.70 |
| 2026-06-06 00:00 |
16:12:35.10 |
-26:24:08.8 |
HIP 79442 |
3.24 |
| 2026-06-06 12:00 |
16:12:16.87 |
-26:23:05.5 |
HIP 79397 |
5.70 |
| 2026-06-07 00:00 |
16:11:58.71 |
-26:22:01.9 |
HIP 79397 |
7.61 |
| 2026-06-07 12:00 |
16:11:40.61 |
-26:20:57.9 |
HIP 79397 |
10.89 |
| 2026-06-08 00:00 |
16:11:22.57 |
-26:19:53.7 |
HIP 79397 |
14.63 |
| 2026-06-08 12:00 |
16:11:04.61 |
-26:18:49.2 |
HIP 79397 |
18.55 |
| 2026-06-09 00:00 |
16:10:46.71 |
-26:17:44.5 |
HIP 79192 |
16.16 |
| 2026-06-09 12:00 |
16:10:28.88 |
-26:16:39.4 |
HIP 79192 |
13.71 |
| 2026-06-10 00:00 |
16:10:11.13 |
-26:15:34.1 |
HIP 79192 |
12.23 |
| 2026-06-10 12:00 |
16:09:53.47 |
-26:14:28.6 |
HIP 79140 |
10.13 |
| 2026-06-11 00:00 |
16:09:35.88 |
-26:13:22.8 |
HIP 79140 |
7.55 |
| 2026-06-11 12:00 |
16:09:18.38 |
-26:12:16.8 |
HIP 79140 |
6.70 |
| 2026-06-12 00:00 |
16:09:00.96 |
-26:11:10.7 |
HIP 79140 |
8.12 |
| 2026-06-12 12:00 |
16:08:43.64 |
-26:10:04.3 |
HIP 79140 |
10.94 |
| 2026-06-13 00:00 |
16:08:26.41 |
-26:08:57.7 |
HIP 79050 |
11.45 |
| 2026-06-13 12:00 |
16:08:09.28 |
-26:07:51.0 |
HIP 79050 |
11.76 |
| 2026-06-14 00:00 |
16:07:52.25 |
-26:06:44.1 |
HIP 79050 |
13.31 |
| 2026-06-14 12:00 |
16:07:35.32 |
-26:05:37.0 |
HIP 79050 |
15.74 |
| 2026-06-15 00:00 |
16:07:18.49 |
-26:04:29.8 |
HIP 79050 |
18.68 |
| 2026-06-15 12:00 |
16:07:01.77 |
-26:03:22.5 |
HIP 79050 |
21.93 |
| 2026-06-16 00:00 |
16:06:45.17 |
-26:02:15.1 |
HIP 78919 |
22.82 |
| 2026-06-16 12:00 |
16:06:28.68 |
-26:01:07.6 |
HIP 78919 |
24.01 |
| 2026-06-17 00:00 |
16:06:12.30 |
-26:00:00.0 |
HIP 78919 |
25.73 |
| 2026-06-17 12:00 |
16:05:56.04 |
-25:58:52.3 |
HIP 78919 |
27.87 |
| 2026-06-18 00:00 |
16:05:39.91 |
-25:57:44.6 |
HIP 78919 |
30.33 |
| 2026-06-18 12:00 |
16:05:23.90 |
-25:56:36.8 |
HIP 78650 |
28.11 |
| 2026-06-19 00:00 |
16:05:08.01 |
-25:55:29.0 |
HIP 78650 |
24.41 |
| 2026-06-19 12:00 |
16:04:52.26 |
-25:54:21.1 |
HIP 78650 |
20.74 |
| 2026-06-20 00:00 |
16:04:36.63 |
-25:53:13.2 |
HIP 78650 |
17.14 |
| 2026-06-20 12:00 |
16:04:21.14 |
-25:52:05.3 |
HIP 78650 |
13.61 |
| 2026-06-21 00:00 |
16:04:05.79 |
-25:50:57.5 |
HIP 78650 |
10.19 |
| 2026-06-21 12:00 |
16:03:50.57 |
-25:49:49.6 |
HIP 78650 |
7.04 |
| 2026-06-22 00:00 |
16:03:35.49 |
-25:48:41.8 |
HIP 78650 |
4.63 |