| 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) |
| 2026-07-29 00:00 |
12:17:43.54 |
+06:53:49.8 |
HIP 59916 |
18.23 |
| 2026-07-29 12:00 |
12:17:52.65 |
+06:52:08.0 |
HIP 59916 |
17.28 |
| 2026-07-30 00:00 |
12:18:01.83 |
+06:50:25.9 |
HIP 59916 |
16.77 |
| 2026-07-30 12:00 |
12:18:11.09 |
+06:48:43.6 |
HIP 59916 |
16.74 |
| 2026-07-31 00:00 |
12:18:20.41 |
+06:47:01.1 |
HIP 59916 |
17.20 |
| 2026-07-31 12:00 |
12:18:29.80 |
+06:45:18.3 |
HIP 59916 |
18.13 |
| 2026-08-01 00:00 |
12:18:39.26 |
+06:43:35.3 |
HIP 59916 |
19.46 |
| 2026-08-01 12:00 |
12:18:48.79 |
+06:41:52.0 |
HIP 60095 |
19.85 |
| 2026-08-02 00:00 |
12:18:58.39 |
+06:40:08.6 |
HIP 60095 |
20.50 |
| 2026-08-02 12:00 |
12:19:08.05 |
+06:38:24.8 |
HIP 60095 |
21.54 |
| 2026-08-03 00:00 |
12:19:17.79 |
+06:36:40.9 |
HIP 60095 |
22.91 |
| 2026-08-03 12:00 |
12:19:27.58 |
+06:34:56.7 |
HIP 60220 |
21.85 |
| 2026-08-04 00:00 |
12:19:37.45 |
+06:33:12.4 |
HIP 60220 |
19.42 |
| 2026-08-04 12:00 |
12:19:47.37 |
+06:31:27.8 |
HIP 60220 |
17.16 |
| 2026-08-05 00:00 |
12:19:57.37 |
+06:29:43.0 |
HIP 60220 |
15.16 |
| 2026-08-05 12:00 |
12:20:07.43 |
+06:27:58.0 |
HIP 60220 |
13.53 |
| 2026-08-06 00:00 |
12:20:17.55 |
+06:26:12.7 |
HIP 60220 |
12.43 |
| 2026-08-06 12:00 |
12:20:27.73 |
+06:24:27.3 |
HIP 60220 |
12.03 |
| 2026-08-07 00:00 |
12:20:37.98 |
+06:22:41.7 |
HIP 60220 |
12.41 |
| 2026-08-07 12:00 |
12:20:48.29 |
+06:20:55.9 |
HIP 60220 |
13.50 |
| 2026-08-08 00:00 |
12:20:58.67 |
+06:19:09.9 |
HIP 60220 |
15.17 |
| 2026-08-08 12:00 |
12:21:09.10 |
+06:17:23.7 |
HIP 60220 |
17.25 |
| 2026-08-09 00:00 |
12:21:19.59 |
+06:15:37.3 |
HIP 60220 |
19.63 |
| 2026-08-09 12:00 |
12:21:30.15 |
+06:13:50.8 |
HIP 60220 |
22.20 |
| 2026-08-10 00:00 |
12:21:40.77 |
+06:12:04.1 |
HIP 60366 |
22.79 |
| 2026-08-10 12:00 |
12:21:51.44 |
+06:10:17.2 |
HIP 60366 |
19.72 |
| 2026-08-11 00:00 |
12:22:02.17 |
+06:08:30.1 |
HIP 60366 |
16.69 |
| 2026-08-11 12:00 |
12:22:12.97 |
+06:06:42.9 |
HIP 60366 |
13.72 |
| 2026-08-12 00:00 |
12:22:23.82 |
+06:04:55.5 |
HIP 60366 |
10.90 |
| 2026-08-12 12:00 |
12:22:34.72 |
+06:03:07.9 |
HIP 60366 |
8.38 |
| 2026-08-13 00:00 |
12:22:45.69 |
+06:01:20.3 |
HIP 60366 |
6.54 |
| 2026-08-13 12:00 |
12:22:56.71 |
+05:59:32.4 |
HIP 60366 |
6.06 |
| 2026-08-14 00:00 |
12:23:07.78 |
+05:57:44.4 |
HIP 60366 |
7.23 |
| 2026-08-14 12:00 |
12:23:18.91 |
+05:55:56.3 |
HIP 60366 |
9.48 |
| 2026-08-15 00:00 |
12:23:30.09 |
+05:54:08.1 |
HIP 60500 |
11.10 |
| 2026-08-15 12:00 |
12:23:41.33 |
+05:52:19.7 |
HIP 60500 |
9.59 |
| 2026-08-16 00:00 |
12:23:52.62 |
+05:50:31.2 |
HIP 60500 |
9.08 |
| 2026-08-16 12:00 |
12:24:03.96 |
+05:48:42.5 |
HIP 60500 |
9.77 |
| 2026-08-17 00:00 |
12:24:15.35 |
+05:46:53.8 |
HIP 60500 |
11.44 |
| 2026-08-17 12:00 |
12:24:26.80 |
+05:45:04.9 |
HIP 60500 |
13.75 |
| 2026-08-18 00:00 |
12:24:38.29 |
+05:43:15.9 |
HIP 60500 |
16.44 |
| 2026-08-18 12:00 |
12:24:49.84 |
+05:41:26.9 |
HIP 60500 |
19.36 |
| 2026-08-19 00:00 |
12:25:01.43 |
+05:39:37.7 |
HIP 60500 |
22.42 |