메타데이터
| 항목 |
값 |
| Designation |
222P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2009-09-01T04:04:48.025920Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:27:57Z |
| Obs used |
239 |
| NEO |
Yes |
| M1 |
19.300 |
| K1 |
11.000 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2008-06-03.0000000 |
| e |
0.72682414 |
| q (au) |
0.780587 |
| a (au) |
2.857451 |
| i (deg) |
5.146524 |
| Ω (om, deg) |
7.132797 |
| ω (w, deg) |
345.426748 |
| M (ma, deg) |
267.122715 |
밝기
산란 + 전체 선형
$$
M_a = (16.134 + 2.231\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
16.134 |
| n |
2.231 |
| gf |
0.995 |
| gb |
-0.513 |
| k |
1.000 |
| δ90 |
9.998 |
| 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 |
10:25:45.36 |
+11:47:13.9 |
HIP 51179 |
35.34 |
| 2026-06-01 12:00 |
10:25:53.14 |
+11:46:09.6 |
HIP 51179 |
33.35 |
| 2026-06-02 00:00 |
10:26:01.09 |
+11:45:04.5 |
HIP 51179 |
31.35 |
| 2026-06-02 12:00 |
10:26:09.20 |
+11:43:58.6 |
HIP 51179 |
29.35 |
| 2026-06-03 00:00 |
10:26:17.46 |
+11:42:51.8 |
HIP 51179 |
27.36 |
| 2026-06-03 12:00 |
10:26:25.88 |
+11:41:44.1 |
HIP 51179 |
25.39 |
| 2026-06-04 00:00 |
10:26:34.46 |
+11:40:35.6 |
HIP 51179 |
23.47 |
| 2026-06-04 12:00 |
10:26:43.19 |
+11:39:26.3 |
HIP 51179 |
21.62 |
| 2026-06-05 00:00 |
10:26:52.08 |
+11:38:16.2 |
HIP 51179 |
19.87 |
| 2026-06-05 12:00 |
10:27:01.12 |
+11:37:05.2 |
HIP 51179 |
18.27 |
| 2026-06-06 00:00 |
10:27:10.31 |
+11:35:53.4 |
HIP 51179 |
16.87 |
| 2026-06-06 12:00 |
10:27:19.65 |
+11:34:40.8 |
HIP 51249 |
14.73 |
| 2026-06-07 00:00 |
10:27:29.15 |
+11:33:27.3 |
HIP 51249 |
12.19 |
| 2026-06-07 12:00 |
10:27:38.79 |
+11:32:13.1 |
HIP 51249 |
9.66 |
| 2026-06-08 00:00 |
10:27:48.58 |
+11:30:58.0 |
HIP 51249 |
7.20 |
| 2026-06-08 12:00 |
10:27:58.52 |
+11:29:42.2 |
HIP 51249 |
4.96 |
| 2026-06-09 00:00 |
10:28:08.61 |
+11:28:25.6 |
HIP 51249 |
3.54 |
| 2026-06-09 12:00 |
10:28:18.84 |
+11:27:08.1 |
HIP 51249 |
4.01 |
| 2026-06-10 00:00 |
10:28:29.21 |
+11:25:49.9 |
HIP 51249 |
5.99 |
| 2026-06-10 12:00 |
10:28:39.73 |
+11:24:30.9 |
HIP 51249 |
8.53 |
| 2026-06-11 00:00 |
10:28:50.40 |
+11:23:11.1 |
HIP 51249 |
11.27 |
| 2026-06-11 12:00 |
10:29:01.20 |
+11:21:50.6 |
HIP 51249 |
14.13 |
| 2026-06-12 00:00 |
10:29:12.15 |
+11:20:29.3 |
HIP 51249 |
17.07 |
| 2026-06-12 12:00 |
10:29:23.23 |
+11:19:07.2 |
HIP 51249 |
20.06 |
| 2026-06-13 00:00 |
10:29:34.45 |
+11:17:44.3 |
HIP 51249 |
23.10 |
| 2026-06-13 12:00 |
10:29:45.81 |
+11:16:20.7 |
HIP 51249 |
26.18 |
| 2026-06-14 00:00 |
10:29:57.31 |
+11:14:56.4 |
HIP 51532 |
23.84 |
| 2026-06-14 12:00 |
10:30:08.95 |
+11:13:31.3 |
HIP 51532 |
20.78 |
| 2026-06-15 00:00 |
10:30:20.72 |
+11:12:05.5 |
HIP 51532 |
17.72 |
| 2026-06-15 12:00 |
10:30:32.62 |
+11:10:38.9 |
HIP 51532 |
14.70 |
| 2026-06-16 00:00 |
10:30:44.65 |
+11:09:11.6 |
HIP 51532 |
11.77 |
| 2026-06-16 12:00 |
10:30:56.82 |
+11:07:43.5 |
HIP 51532 |
9.07 |
| 2026-06-17 00:00 |
10:31:09.12 |
+11:06:14.8 |
HIP 51532 |
6.91 |
| 2026-06-17 12:00 |
10:31:21.54 |
+11:04:45.3 |
HIP 51532 |
5.97 |
| 2026-06-18 00:00 |
10:31:34.10 |
+11:03:15.1 |
HIP 51532 |
6.85 |
| 2026-06-18 12:00 |
10:31:46.78 |
+11:01:44.3 |
HIP 51532 |
9.06 |
| 2026-06-19 00:00 |
10:31:59.59 |
+11:00:12.7 |
HIP 51532 |
11.91 |
| 2026-06-19 12:00 |
10:32:12.52 |
+10:58:40.4 |
HIP 51532 |
15.06 |
| 2026-06-20 00:00 |
10:32:25.58 |
+10:57:07.5 |
HIP 51532 |
18.38 |
| 2026-06-20 12:00 |
10:32:38.76 |
+10:55:33.8 |
HIP 51532 |
21.80 |
| 2026-06-21 00:00 |
10:32:52.06 |
+10:53:59.5 |
HIP 51532 |
25.30 |
| 2026-06-21 12:00 |
10:33:05.48 |
+10:52:24.6 |
HIP 51532 |
28.86 |
| 2026-06-22 00:00 |
10:33:19.02 |
+10:50:48.9 |
HIP 51720 |
28.64 |