| Parameter |
Value |
| Designation |
P/2022 L3 (ATLAS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2022-10-29T23:14:50.245440Z |
| Orbit solution date (soln_date, UTC) |
2024-02-25T22:12:58Z |
| Obs used |
1088 |
| NEO |
- |
| M1 |
10.700 |
| K1 |
11.750 |
| PC |
0.030 |
| Discovery observation (MPC, UTC) |
2022-06-12T13:45:41.500800Z |
| Discovery magnitude (MPC) |
17.64 o |
| Discovery observatory (MPC) |
T08 · ATLAS-MLO, Mauna Loa |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2022-10-31.0000000 |
| e |
0.62815598 |
| q (au) |
2.419843 |
| a (au) |
6.507682 |
| i (deg) |
21.542413 |
| Ω (om, deg) |
29.804698 |
| ω (w, deg) |
10.331548 |
| M (ma, deg) |
0.061232 |
Magnitude
Scatter + Global Linear
$$
M_a = (10.036 + 4.594\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
10.036 |
| n |
4.594 |
| gf |
1.000 |
| gb |
-0.819 |
| k |
0.999 |
| δ90 |
10.000 |
| Parameter |
Symbol |
Range |
Description |
| Absolute magnitude at 1 AU from Sun and Earth |
H0 |
-5 to 20 |
Intrinsic brightness of the comet |
| Photometric slope parameter |
n |
2 to 6 |
Rate of brightness change with heliocentric distance |
| Forward scattering asymmetry factor |
gf |
0.8 to 1 |
Degree of forward scattering |
| Backward scattering asymmetry factor |
gb |
-1 to -0.5 |
Degree of backward scattering |
| Partitioning coefficient |
k |
0.8 to 1 |
Ratio between forward/backward scattering contributions |
| Dust-to-gas brightness ratio |
δ90 |
1 to 10 |
Relative contribution of dust scattering to gas emission |
Reference: EPSC-DPS2025-160
Ephemeris
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
12:10:23.33 |
+09:24:00.8 |
HIP 59286 |
12.11 |
| 2026-06-01 12:00 |
12:10:20.98 |
+09:23:16.1 |
HIP 59286 |
11.23 |
| 2026-06-02 00:00 |
12:10:18.74 |
+09:22:30.7 |
HIP 59286 |
10.37 |
| 2026-06-02 12:00 |
12:10:16.61 |
+09:21:44.6 |
HIP 59286 |
9.55 |
| 2026-06-03 00:00 |
12:10:14.61 |
+09:20:57.7 |
HIP 59286 |
8.77 |
| 2026-06-03 12:00 |
12:10:12.72 |
+09:20:10.1 |
HIP 59286 |
8.05 |
| 2026-06-04 00:00 |
12:10:10.95 |
+09:19:21.8 |
HIP 59286 |
7.39 |
| 2026-06-04 12:00 |
12:10:09.29 |
+09:18:32.9 |
HIP 59286 |
6.82 |
| 2026-06-05 00:00 |
12:10:07.75 |
+09:17:43.2 |
HIP 59286 |
6.36 |
| 2026-06-05 12:00 |
12:10:06.33 |
+09:16:52.8 |
HIP 59286 |
6.04 |
| 2026-06-06 00:00 |
12:10:05.02 |
+09:16:01.7 |
HIP 59286 |
5.87 |
| 2026-06-06 12:00 |
12:10:03.83 |
+09:15:09.9 |
HIP 59286 |
5.87 |
| 2026-06-07 00:00 |
12:10:02.75 |
+09:14:17.5 |
HIP 59286 |
6.04 |
| 2026-06-07 12:00 |
12:10:01.79 |
+09:13:24.3 |
HIP 59286 |
6.36 |
| 2026-06-08 00:00 |
12:10:00.95 |
+09:12:30.5 |
HIP 59286 |
6.83 |
| 2026-06-08 12:00 |
12:10:00.22 |
+09:11:36.0 |
HIP 59286 |
7.41 |
| 2026-06-09 00:00 |
12:09:59.60 |
+09:10:40.8 |
HIP 59286 |
8.07 |
| 2026-06-09 12:00 |
12:09:59.11 |
+09:09:44.9 |
HIP 59286 |
8.81 |
| 2026-06-10 00:00 |
12:09:58.72 |
+09:08:48.4 |
HIP 59286 |
9.61 |
| 2026-06-10 12:00 |
12:09:58.45 |
+09:07:51.2 |
HIP 59286 |
10.45 |
| 2026-06-11 00:00 |
12:09:58.30 |
+09:06:53.3 |
HIP 59286 |
11.33 |
| 2026-06-11 12:00 |
12:09:58.26 |
+09:05:54.8 |
HIP 59286 |
12.24 |
| 2026-06-12 00:00 |
12:09:58.34 |
+09:04:55.7 |
HIP 59286 |
13.19 |
| 2026-06-12 12:00 |
12:09:58.53 |
+09:03:55.8 |
HIP 59286 |
14.15 |
| 2026-06-13 00:00 |
12:09:58.84 |
+09:02:55.4 |
HIP 59286 |
15.14 |
| 2026-06-13 12:00 |
12:09:59.26 |
+09:01:54.3 |
HIP 59286 |
16.15 |
| 2026-06-14 00:00 |
12:09:59.79 |
+09:00:52.5 |
HIP 59286 |
17.18 |
| 2026-06-14 12:00 |
12:10:00.44 |
+08:59:50.1 |
HIP 59286 |
18.22 |
| 2026-06-15 00:00 |
12:10:01.20 |
+08:58:47.1 |
HIP 59286 |
19.29 |
| 2026-06-15 12:00 |
12:10:02.07 |
+08:57:43.5 |
HIP 59286 |
20.37 |
| 2026-06-16 00:00 |
12:10:03.06 |
+08:56:39.2 |
HIP 59390 |
19.85 |
| 2026-06-16 12:00 |
12:10:04.15 |
+08:55:34.3 |
HIP 59390 |
18.93 |
| 2026-06-17 00:00 |
12:10:05.37 |
+08:54:28.9 |
HIP 59390 |
17.99 |
| 2026-06-17 12:00 |
12:10:06.69 |
+08:53:22.7 |
HIP 59390 |
17.05 |
| 2026-06-18 00:00 |
12:10:08.12 |
+08:52:16.0 |
HIP 59390 |
16.11 |
| 2026-06-18 12:00 |
12:10:09.67 |
+08:51:08.7 |
HIP 59390 |
15.17 |
| 2026-06-19 00:00 |
12:10:11.33 |
+08:50:00.8 |
HIP 59390 |
14.24 |
| 2026-06-19 12:00 |
12:10:13.09 |
+08:48:52.4 |
HIP 59390 |
13.32 |
| 2026-06-20 00:00 |
12:10:14.97 |
+08:47:43.3 |
HIP 59390 |
12.43 |
| 2026-06-20 12:00 |
12:10:16.96 |
+08:46:33.6 |
HIP 59390 |
11.57 |
| 2026-06-21 00:00 |
12:10:19.05 |
+08:45:23.4 |
HIP 59390 |
10.77 |
| 2026-06-21 12:00 |
12:10:21.26 |
+08:44:12.6 |
HIP 59390 |
10.03 |
| 2026-06-22 00:00 |
12:10:23.57 |
+08:43:01.3 |
HIP 59390 |
9.39 |