P/2022 L3 (ATLAS)
| 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) |
| 2026-02-03 00:00 |
12:47:48.85 |
+07:13:29.6 |
HIP 62397 |
15.51 |
| 2026-02-03 12:00 |
12:47:43.61 |
+07:14:22.7 |
HIP 62397 |
15.63 |
| 2026-02-04 00:00 |
12:47:38.23 |
+07:15:16.3 |
HIP 62397 |
15.89 |
| 2026-02-04 12:00 |
12:47:32.73 |
+07:16:10.4 |
HIP 62397 |
16.31 |
| 2026-02-05 00:00 |
12:47:27.11 |
+07:17:05.1 |
HIP 62397 |
16.88 |
| 2026-02-05 12:00 |
12:47:21.36 |
+07:18:00.3 |
HIP 62397 |
17.60 |
| 2026-02-06 00:00 |
12:47:15.49 |
+07:18:56.0 |
HIP 62397 |
18.46 |
| 2026-02-06 12:00 |
12:47:09.49 |
+07:19:52.3 |
HIP 62397 |
19.44 |
| 2026-02-07 00:00 |
12:47:03.37 |
+07:20:49.0 |
HIP 62397 |
20.54 |
| 2026-02-07 12:00 |
12:46:57.13 |
+07:21:46.3 |
HIP 62397 |
21.74 |
| 2026-02-08 00:00 |
12:46:50.76 |
+07:22:44.0 |
HIP 62397 |
23.04 |
| 2026-02-08 12:00 |
12:46:44.27 |
+07:23:42.2 |
HIP 62267 |
23.57 |
| 2026-02-09 00:00 |
12:46:37.66 |
+07:24:40.9 |
HIP 62267 |
21.73 |
| 2026-02-09 12:00 |
12:46:30.93 |
+07:25:40.1 |
HIP 62267 |
19.87 |
| 2026-02-10 00:00 |
12:46:24.08 |
+07:26:39.7 |
HIP 62267 |
18.00 |
| 2026-02-10 12:00 |
12:46:17.11 |
+07:27:39.7 |
HIP 62267 |
16.14 |
| 2026-02-11 00:00 |
12:46:10.02 |
+07:28:40.2 |
HIP 62267 |
14.28 |
| 2026-02-11 12:00 |
12:46:02.81 |
+07:29:41.2 |
HIP 62267 |
12.46 |
| 2026-02-12 00:00 |
12:45:55.49 |
+07:30:42.5 |
HIP 62267 |
10.71 |
| 2026-02-12 12:00 |
12:45:48.05 |
+07:31:44.3 |
HIP 62267 |
9.07 |
| 2026-02-13 00:00 |
12:45:40.49 |
+07:32:46.5 |
HIP 62267 |
7.67 |
| 2026-02-13 12:00 |
12:45:32.82 |
+07:33:49.0 |
HIP 62267 |
6.67 |
| 2026-02-14 00:00 |
12:45:25.03 |
+07:34:52.0 |
HIP 62267 |
6.29 |
| 2026-02-14 12:00 |
12:45:17.13 |
+07:35:55.3 |
HIP 62267 |
6.68 |
| 2026-02-15 00:00 |
12:45:09.11 |
+07:36:59.0 |
HIP 62267 |
7.73 |
| 2026-02-15 12:00 |
12:45:00.99 |
+07:38:03.0 |
HIP 62267 |
9.26 |
| 2026-02-16 00:00 |
12:44:52.75 |
+07:39:07.4 |
HIP 62267 |
11.07 |
| 2026-02-16 12:00 |
12:44:44.41 |
+07:40:12.1 |
HIP 62267 |
13.06 |
| 2026-02-17 00:00 |
12:44:35.95 |
+07:41:17.1 |
HIP 62112 |
14.23 |
| 2026-02-17 12:00 |
12:44:27.38 |
+07:42:22.5 |
HIP 62112 |
13.21 |
| 2026-02-18 00:00 |
12:44:18.71 |
+07:43:28.1 |
HIP 62112 |
12.56 |
| 2026-02-18 12:00 |
12:44:09.93 |
+07:44:34.0 |
HIP 62112 |
12.34 |
| 2026-02-19 00:00 |
12:44:01.05 |
+07:45:40.2 |
HIP 62112 |
12.59 |
| 2026-02-19 12:00 |
12:43:52.06 |
+07:46:46.7 |
HIP 62112 |
13.31 |
| 2026-02-20 00:00 |
12:43:42.97 |
+07:47:53.4 |
HIP 62112 |
14.43 |
| 2026-02-20 12:00 |
12:43:33.78 |
+07:49:00.4 |
HIP 62112 |
15.88 |
| 2026-02-21 00:00 |
12:43:24.49 |
+07:50:07.6 |
HIP 62112 |
17.60 |
| 2026-02-21 12:00 |
12:43:15.10 |
+07:51:15.0 |
HIP 61990 |
18.48 |
| 2026-02-22 00:00 |
12:43:05.61 |
+07:52:22.7 |
HIP 61990 |
15.94 |
| 2026-02-22 12:00 |
12:42:56.02 |
+07:53:30.5 |
HIP 61990 |
13.41 |
| 2026-02-23 00:00 |
12:42:46.34 |
+07:54:38.5 |
HIP 61990 |
10.90 |
| 2026-02-23 12:00 |
12:42:36.56 |
+07:55:46.7 |
HIP 61990 |
8.46 |
| 2026-02-24 00:00 |
12:42:26.68 |
+07:56:55.1 |
HIP 61990 |
6.20 |