메타데이터
| 항목 |
값 |
| Designation |
373P/Rinner |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2011-11-06T15:02:24.866880Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:28:38Z |
| Obs used |
900 |
| NEO |
- |
| M1 |
6.000 |
| K1 |
29.000 |
| PC |
0.030 |
| Discovery observation (MPC, UTC) |
2018-09-09T00:42:49.536000Z |
| Discovery magnitude (MPC) |
21.10 N |
| Discovery observatory (MPC) |
C10 · Maisoncelles |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2014-02-15.0000000 |
| e |
0.39368305 |
| q (au) |
2.305422 |
| a (au) |
3.802337 |
| i (deg) |
13.770595 |
| Ω (om, deg) |
232.018922 |
| ω (w, deg) |
221.217751 |
| M (ma, deg) |
110.515752 |
밝기
산란 + 전체 선형
$$
M_a = (10.589 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
10.589 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.934 |
| k |
1.000 |
| δ90 |
9.999 |
| 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 |
| 2018-09-09 |
2019-04-01 |
+24.9244 |
-9.799 |
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 |
04:10:12.92 |
+19:20:28.7 |
HIP 19388 |
21.89 |
| 2026-06-01 12:00 |
04:11:16.09 |
+19:21:41.6 |
HIP 19669 |
24.36 |
| 2026-06-02 00:00 |
04:12:19.30 |
+19:22:53.0 |
HIP 19669 |
11.76 |
| 2026-06-02 12:00 |
04:13:22.56 |
+19:24:03.0 |
HIP 19669 |
11.44 |
| 2026-06-03 00:00 |
04:14:25.86 |
+19:25:11.4 |
HIP 19772 |
9.67 |
| 2026-06-03 12:00 |
04:15:29.21 |
+19:26:18.3 |
HIP 19772 |
18.19 |
| 2026-06-04 00:00 |
04:16:32.60 |
+19:27:23.8 |
HIP 19975 |
14.79 |
| 2026-06-04 12:00 |
04:17:36.03 |
+19:28:27.7 |
HIP 20018 |
5.22 |
| 2026-06-05 00:00 |
04:18:39.50 |
+19:29:30.0 |
HIP 20018 |
15.03 |
| 2026-06-05 12:00 |
04:19:43.01 |
+19:30:30.8 |
HIP 20237 |
17.94 |
| 2026-06-06 00:00 |
04:20:46.56 |
+19:31:30.1 |
HIP 20369 |
13.62 |
| 2026-06-06 12:00 |
04:21:50.16 |
+19:32:27.8 |
HIP 20390 |
2.21 |
| 2026-06-07 00:00 |
04:22:53.79 |
+19:33:24.0 |
HIP 20482 |
9.17 |
| 2026-06-07 12:00 |
04:23:57.46 |
+19:34:18.5 |
HIP 20482 |
9.69 |
| 2026-06-08 00:00 |
04:25:01.17 |
+19:35:11.6 |
HIP 20482 |
23.57 |
| 2026-06-08 12:00 |
04:26:04.92 |
+19:36:03.0 |
HIP 20774 |
19.73 |
| 2026-06-09 00:00 |
04:27:08.70 |
+19:36:52.8 |
HIP 20774 |
13.82 |
| 2026-06-09 12:00 |
04:28:12.52 |
+19:37:41.0 |
HIP 20890 |
8.91 |
| 2026-06-10 00:00 |
04:29:16.38 |
+19:38:27.7 |
HIP 20890 |
11.00 |
| 2026-06-10 12:00 |
04:30:20.27 |
+19:39:12.7 |
HIP 21008 |
11.24 |
| 2026-06-11 00:00 |
04:31:24.19 |
+19:39:56.1 |
HIP 21008 |
18.80 |
| 2026-06-11 12:00 |
04:32:28.15 |
+19:40:37.9 |
HIP 21240 |
15.32 |
| 2026-06-12 00:00 |
04:33:32.14 |
+19:41:18.0 |
HIP 21240 |
7.82 |
| 2026-06-12 12:00 |
04:34:36.16 |
+19:41:56.5 |
HIP 21240 |
18.51 |
| 2026-06-13 00:00 |
04:35:40.21 |
+19:42:33.4 |
HIP 21408 |
10.37 |
| 2026-06-13 12:00 |
04:36:44.29 |
+19:43:08.6 |
HIP 21465 |
3.34 |
| 2026-06-14 00:00 |
04:37:48.40 |
+19:43:42.1 |
HIP 21465 |
17.44 |
| 2026-06-14 12:00 |
04:38:52.54 |
+19:44:14.0 |
HIP 21465 |
32.46 |
| 2026-06-15 00:00 |
04:39:56.70 |
+19:44:44.2 |
HIP 21831 |
25.03 |
| 2026-06-15 12:00 |
04:41:00.89 |
+19:45:12.7 |
HIP 21831 |
12.66 |
| 2026-06-16 00:00 |
04:42:05.10 |
+19:45:39.6 |
HIP 21875 |
2.94 |
| 2026-06-16 12:00 |
04:43:09.34 |
+19:46:04.7 |
HIP 21875 |
14.02 |
| 2026-06-17 00:00 |
04:44:13.60 |
+19:46:28.2 |
HIP 21875 |
29.02 |
| 2026-06-17 12:00 |
04:45:17.88 |
+19:46:49.9 |
HIP 22211 |
25.15 |
| 2026-06-18 00:00 |
04:46:22.18 |
+19:47:09.9 |
HIP 22211 |
17.81 |
| 2026-06-18 12:00 |
04:47:26.50 |
+19:47:28.3 |
HIP 22357 |
19.10 |
| 2026-06-19 00:00 |
04:48:30.85 |
+19:47:44.9 |
HIP 22357 |
5.57 |
| 2026-06-19 12:00 |
04:49:35.21 |
+19:47:59.7 |
HIP 22486 |
11.99 |
| 2026-06-20 00:00 |
04:50:39.58 |
+19:48:12.9 |
HIP 22486 |
9.18 |
| 2026-06-20 12:00 |
04:51:43.98 |
+19:48:24.3 |
HIP 22684 |
17.92 |
| 2026-06-21 00:00 |
04:52:48.38 |
+19:48:34.0 |
HIP 22684 |
11.57 |
| 2026-06-21 12:00 |
04:53:52.81 |
+19:48:41.9 |
HIP 22684 |
20.15 |
| 2026-06-22 00:00 |
04:54:57.25 |
+19:48:48.1 |
HIP 22906 |
15.42 |