메타데이터
| 항목 |
값 |
| Designation |
C/1933 D1 (Peltier) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1933-02-06T16:43:23.779200Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:05Z |
| Obs used |
14 |
| NEO |
- |
| M1 |
11.300 |
| K1 |
12.000 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1933-03-01.0000000 |
| e |
0.99999873 |
| q (au) |
1.000679 |
| a (au) |
787220.711133 |
| i (deg) |
86.680374 |
| Ω (om, deg) |
312.466777 |
| ω (w, deg) |
135.984212 |
| M (ma, deg) |
0.000000 |
밝기
산란 + 전체 선형
$$
M_a = (10.760 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
10.760 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-1.000 |
| 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) |
| 2026-09-20 00:00 |
22:58:02.94 |
-68:50:55.0 |
HIP 113290 |
9.54 |
| 2026-09-20 12:00 |
22:58:00.35 |
-68:50:54.0 |
HIP 113290 |
9.32 |
| 2026-09-21 00:00 |
22:57:57.78 |
-68:50:53.0 |
HIP 113290 |
9.10 |
| 2026-09-21 12:00 |
22:57:55.21 |
-68:50:51.7 |
HIP 113290 |
8.88 |
| 2026-09-22 00:00 |
22:57:52.64 |
-68:50:50.4 |
HIP 113290 |
8.66 |
| 2026-09-22 12:00 |
22:57:50.08 |
-68:50:48.9 |
HIP 113290 |
8.44 |
| 2026-09-23 00:00 |
22:57:47.53 |
-68:50:47.4 |
HIP 113290 |
8.23 |
| 2026-09-23 12:00 |
22:57:44.98 |
-68:50:45.7 |
HIP 113290 |
8.01 |
| 2026-09-24 00:00 |
22:57:42.45 |
-68:50:43.8 |
HIP 113290 |
7.79 |
| 2026-09-24 12:00 |
22:57:39.91 |
-68:50:41.9 |
HIP 113290 |
7.58 |
| 2026-09-25 00:00 |
22:57:37.39 |
-68:50:39.8 |
HIP 113290 |
7.36 |
| 2026-09-25 12:00 |
22:57:34.87 |
-68:50:37.6 |
HIP 113290 |
7.15 |
| 2026-09-26 00:00 |
22:57:32.37 |
-68:50:35.3 |
HIP 113290 |
6.93 |
| 2026-09-26 12:00 |
22:57:29.87 |
-68:50:32.9 |
HIP 113290 |
6.72 |
| 2026-09-27 00:00 |
22:57:27.37 |
-68:50:30.3 |
HIP 113290 |
6.50 |
| 2026-09-27 12:00 |
22:57:24.89 |
-68:50:27.7 |
HIP 113290 |
6.29 |
| 2026-09-28 00:00 |
22:57:22.41 |
-68:50:24.9 |
HIP 113290 |
6.08 |
| 2026-09-28 12:00 |
22:57:19.95 |
-68:50:22.0 |
HIP 113290 |
5.87 |
| 2026-09-29 00:00 |
22:57:17.49 |
-68:50:19.0 |
HIP 113290 |
5.66 |
| 2026-09-29 12:00 |
22:57:15.04 |
-68:50:15.8 |
HIP 113290 |
5.45 |
| 2026-09-30 00:00 |
22:57:12.60 |
-68:50:12.5 |
HIP 113290 |
5.24 |
| 2026-09-30 12:00 |
22:57:10.17 |
-68:50:09.2 |
HIP 113290 |
5.03 |
| 2026-10-01 00:00 |
22:57:07.75 |
-68:50:05.6 |
HIP 113290 |
4.82 |
| 2026-10-01 12:00 |
22:57:05.34 |
-68:50:02.0 |
HIP 113290 |
4.62 |
| 2026-10-02 00:00 |
22:57:02.94 |
-68:49:58.3 |
HIP 113290 |
4.41 |
| 2026-10-02 12:00 |
22:57:00.55 |
-68:49:54.4 |
HIP 113290 |
4.21 |
| 2026-10-03 00:00 |
22:56:58.17 |
-68:49:50.4 |
HIP 113290 |
4.01 |
| 2026-10-03 12:00 |
22:56:55.80 |
-68:49:46.3 |
HIP 113290 |
3.81 |
| 2026-10-04 00:00 |
22:56:53.44 |
-68:49:42.1 |
HIP 113290 |
3.61 |
| 2026-10-04 12:00 |
22:56:51.09 |
-68:49:37.8 |
HIP 113290 |
3.42 |
| 2026-10-05 00:00 |
22:56:48.75 |
-68:49:33.3 |
HIP 113290 |
3.23 |
| 2026-10-05 12:00 |
22:56:46.43 |
-68:49:28.8 |
HIP 113290 |
3.04 |
| 2026-10-06 00:00 |
22:56:44.11 |
-68:49:24.1 |
HIP 113290 |
2.86 |
| 2026-10-06 12:00 |
22:56:41.81 |
-68:49:19.3 |
HIP 113290 |
2.68 |
| 2026-10-07 00:00 |
22:56:39.52 |
-68:49:14.4 |
HIP 113290 |
2.50 |
| 2026-10-07 12:00 |
22:56:37.24 |
-68:49:09.3 |
HIP 113290 |
2.34 |
| 2026-10-08 00:00 |
22:56:34.98 |
-68:49:04.2 |
HIP 113290 |
2.18 |
| 2026-10-08 12:00 |
22:56:32.72 |
-68:48:58.9 |
HIP 113290 |
2.03 |
| 2026-10-09 00:00 |
22:56:30.48 |
-68:48:53.5 |
HIP 113290 |
1.90 |
| 2026-10-09 12:00 |
22:56:28.25 |
-68:48:48.0 |
HIP 113290 |
1.78 |
| 2026-10-10 00:00 |
22:56:26.04 |
-68:48:42.4 |
HIP 113290 |
1.68 |
| 2026-10-10 12:00 |
22:56:23.84 |
-68:48:36.7 |
HIP 113290 |
1.60 |
| 2026-10-11 00:00 |
22:56:21.65 |
-68:48:30.8 |
HIP 113290 |
1.55 |