| 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) |
| 2026-03-26 00:00 |
12:30:34.03 |
+09:03:27.4 |
HIP 61094 |
18.05 |
| 2026-03-26 12:00 |
12:30:21.10 |
+09:04:25.2 |
HIP 61094 |
20.78 |
| 2026-03-27 00:00 |
12:30:08.17 |
+09:05:22.5 |
HIP 61094 |
23.66 |
| 2026-03-27 12:00 |
12:29:55.24 |
+09:06:19.3 |
HIP 61094 |
26.64 |
| 2026-03-28 00:00 |
12:29:42.32 |
+09:07:15.5 |
HIP 61094 |
29.69 |
| 2026-03-28 12:00 |
12:29:29.40 |
+09:08:11.2 |
HIP 60815 |
27.61 |
| 2026-03-29 00:00 |
12:29:16.48 |
+09:09:06.4 |
HIP 60815 |
25.47 |
| 2026-03-29 12:00 |
12:29:03.58 |
+09:10:01.0 |
HIP 60815 |
23.60 |
| 2026-03-30 00:00 |
12:28:50.68 |
+09:10:55.1 |
HIP 60815 |
22.07 |
| 2026-03-30 12:00 |
12:28:37.80 |
+09:11:48.6 |
HIP 60815 |
20.95 |
| 2026-03-31 00:00 |
12:28:24.92 |
+09:12:41.6 |
HIP 60815 |
20.30 |
| 2026-03-31 12:00 |
12:28:12.07 |
+09:13:34.0 |
HIP 60815 |
20.17 |
| 2026-04-01 00:00 |
12:27:59.22 |
+09:14:25.7 |
HIP 60815 |
20.56 |
| 2026-04-01 12:00 |
12:27:46.40 |
+09:15:16.9 |
HIP 60754 |
20.20 |
| 2026-04-02 00:00 |
12:27:33.59 |
+09:16:07.5 |
HIP 60754 |
19.50 |
| 2026-04-02 12:00 |
12:27:20.80 |
+09:16:57.5 |
HIP 60754 |
19.32 |
| 2026-04-03 00:00 |
12:27:08.04 |
+09:17:46.9 |
HIP 60754 |
19.68 |
| 2026-04-03 12:00 |
12:26:55.30 |
+09:18:35.7 |
HIP 60754 |
20.54 |
| 2026-04-04 00:00 |
12:26:42.58 |
+09:19:23.8 |
HIP 60754 |
21.84 |
| 2026-04-04 12:00 |
12:26:29.89 |
+09:20:11.3 |
HIP 60754 |
23.51 |
| 2026-04-05 00:00 |
12:26:17.23 |
+09:20:58.2 |
HIP 60754 |
25.47 |
| 2026-04-05 12:00 |
12:26:04.59 |
+09:21:44.4 |
HIP 60628 |
24.78 |
| 2026-04-06 00:00 |
12:25:51.99 |
+09:22:29.9 |
HIP 60628 |
23.18 |
| 2026-04-06 12:00 |
12:25:39.42 |
+09:23:14.8 |
HIP 60509 |
21.70 |
| 2026-04-07 00:00 |
12:25:26.88 |
+09:23:59.0 |
HIP 60509 |
18.54 |
| 2026-04-07 12:00 |
12:25:14.38 |
+09:24:42.6 |
HIP 60509 |
15.40 |
| 2026-04-08 00:00 |
12:25:01.92 |
+09:25:25.5 |
HIP 60509 |
12.30 |
| 2026-04-08 12:00 |
12:24:49.49 |
+09:26:07.6 |
HIP 60509 |
9.23 |
| 2026-04-09 00:00 |
12:24:37.11 |
+09:26:49.1 |
HIP 60509 |
6.27 |
| 2026-04-09 12:00 |
12:24:24.76 |
+09:27:29.9 |
HIP 60509 |
3.62 |
| 2026-04-10 00:00 |
12:24:12.46 |
+09:28:10.0 |
HIP 60509 |
2.52 |
| 2026-04-10 12:00 |
12:24:00.20 |
+09:28:49.4 |
HIP 60509 |
4.34 |
| 2026-04-11 00:00 |
12:23:47.99 |
+09:29:28.0 |
HIP 60509 |
7.10 |
| 2026-04-11 12:00 |
12:23:35.82 |
+09:30:05.9 |
HIP 60509 |
10.03 |
| 2026-04-12 00:00 |
12:23:23.70 |
+09:30:43.1 |
HIP 60509 |
13.01 |
| 2026-04-12 12:00 |
12:23:11.64 |
+09:31:19.6 |
HIP 60509 |
16.01 |
| 2026-04-13 00:00 |
12:22:59.62 |
+09:31:55.3 |
HIP 60509 |
19.00 |
| 2026-04-13 12:00 |
12:22:47.66 |
+09:32:30.2 |
HIP 60509 |
21.99 |
| 2026-04-14 00:00 |
12:22:35.75 |
+09:33:04.4 |
HIP 60345 |
23.73 |
| 2026-04-14 12:00 |
12:22:23.90 |
+09:33:37.9 |
HIP 60345 |
22.94 |
| 2026-04-15 00:00 |
12:22:12.11 |
+09:34:10.6 |
HIP 60345 |
22.53 |
| 2026-04-15 12:00 |
12:22:00.37 |
+09:34:42.5 |
HIP 60345 |
22.51 |
| 2026-04-16 00:00 |
12:21:48.69 |
+09:35:13.6 |
HIP 60345 |
22.88 |