| Parameter |
Value |
| Designation |
462P/LONEOS-PANSTARRS |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2022-08-02T09:36:57.879360Z |
| Orbit solution date (soln_date, UTC) |
2024-01-26T23:44:19Z |
| Obs used |
182 |
| NEO |
- |
| M1 |
16.600 |
| K1 |
7.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2000-07-29T08:45:07.488000Z |
| Discovery magnitude (MPC) |
18.40 R |
| Discovery observatory (MPC) |
699 · Lowell Observatory-LONEOS |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2020-10-21.0000000 |
| e |
0.57792407 |
| q (au) |
2.063101 |
| a (au) |
4.887986 |
| i (deg) |
7.027368 |
| Ω (om, deg) |
322.920313 |
| ω (w, deg) |
4.420991 |
| M (ma, deg) |
300.681499 |
Magnitude
Scatter + Global Linear
$$
M_a = (19.639 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
19.639 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.700 |
| k |
0.800 |
| 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 |
08:22:45.79 |
+20:56:10.1 |
HIP 41083 |
22.14 |
| 2026-06-01 12:00 |
08:22:59.01 |
+20:55:14.2 |
HIP 41083 |
21.08 |
| 2026-06-02 00:00 |
08:23:12.30 |
+20:54:18.1 |
HIP 41083 |
20.47 |
| 2026-06-02 12:00 |
08:23:25.67 |
+20:53:21.8 |
HIP 41083 |
20.37 |
| 2026-06-03 00:00 |
08:23:39.12 |
+20:52:25.1 |
HIP 41083 |
20.79 |
| 2026-06-03 12:00 |
08:23:52.64 |
+20:51:28.2 |
HIP 41083 |
21.71 |
| 2026-06-04 00:00 |
08:24:06.24 |
+20:50:31.0 |
HIP 41083 |
23.09 |
| 2026-06-04 12:00 |
08:24:19.90 |
+20:49:33.5 |
HIP 41083 |
24.84 |
| 2026-06-05 00:00 |
08:24:33.65 |
+20:48:35.8 |
HIP 41083 |
26.91 |
| 2026-06-05 12:00 |
08:24:47.46 |
+20:47:37.8 |
HIP 41311 |
27.24 |
| 2026-06-06 00:00 |
08:25:01.34 |
+20:46:39.5 |
HIP 41311 |
26.72 |
| 2026-06-06 12:00 |
08:25:15.30 |
+20:45:40.9 |
HIP 41311 |
26.62 |
| 2026-06-07 00:00 |
08:25:29.33 |
+20:44:42.1 |
HIP 41311 |
26.96 |
| 2026-06-07 12:00 |
08:25:43.42 |
+20:43:43.0 |
HIP 41311 |
27.72 |
| 2026-06-08 00:00 |
08:25:57.59 |
+20:42:43.7 |
HIP 41311 |
28.88 |
| 2026-06-08 12:00 |
08:26:11.82 |
+20:41:44.1 |
HIP 41334 |
30.27 |
| 2026-06-09 00:00 |
08:26:26.12 |
+20:40:44.2 |
HIP 41334 |
29.80 |
| 2026-06-09 12:00 |
08:26:40.49 |
+20:39:44.1 |
HIP 41334 |
29.74 |
| 2026-06-10 00:00 |
08:26:54.92 |
+20:38:43.7 |
HIP 41334 |
30.09 |
| 2026-06-10 12:00 |
08:27:09.42 |
+20:37:43.0 |
HIP 41334 |
30.85 |
| 2026-06-11 00:00 |
08:27:23.98 |
+20:36:42.1 |
HIP 41638 |
30.87 |
| 2026-06-11 12:00 |
08:27:38.61 |
+20:35:40.9 |
HIP 41638 |
27.31 |
| 2026-06-12 00:00 |
08:27:53.30 |
+20:34:39.5 |
HIP 41638 |
23.73 |
| 2026-06-12 12:00 |
08:28:08.05 |
+20:33:37.8 |
HIP 41638 |
20.15 |
| 2026-06-13 00:00 |
08:28:22.87 |
+20:32:35.9 |
HIP 41638 |
16.56 |
| 2026-06-13 12:00 |
08:28:37.75 |
+20:31:33.7 |
HIP 41638 |
12.96 |
| 2026-06-14 00:00 |
08:28:52.68 |
+20:30:31.2 |
HIP 41638 |
9.39 |
| 2026-06-14 12:00 |
08:29:07.68 |
+20:29:28.5 |
HIP 41638 |
5.90 |
| 2026-06-15 00:00 |
08:29:22.74 |
+20:28:25.6 |
HIP 41638 |
2.85 |
| 2026-06-15 12:00 |
08:29:37.85 |
+20:27:22.4 |
HIP 41638 |
2.94 |
| 2026-06-16 00:00 |
08:29:53.02 |
+20:26:19.0 |
HIP 41638 |
6.05 |
| 2026-06-16 12:00 |
08:30:08.25 |
+20:25:15.3 |
HIP 41638 |
9.61 |
| 2026-06-17 00:00 |
08:30:23.53 |
+20:24:11.4 |
HIP 41638 |
13.27 |
| 2026-06-17 12:00 |
08:30:38.87 |
+20:23:07.2 |
HIP 41638 |
16.98 |
| 2026-06-18 00:00 |
08:30:54.27 |
+20:22:02.9 |
HIP 41638 |
20.72 |
| 2026-06-18 12:00 |
08:31:09.71 |
+20:20:58.2 |
HIP 41909 |
22.43 |
| 2026-06-19 00:00 |
08:31:25.21 |
+20:19:53.4 |
HIP 41909 |
19.28 |
| 2026-06-19 12:00 |
08:31:40.76 |
+20:18:48.3 |
HIP 41909 |
16.38 |
| 2026-06-20 00:00 |
08:31:56.36 |
+20:17:43.0 |
HIP 41903 |
13.46 |
| 2026-06-20 12:00 |
08:32:12.02 |
+20:16:37.4 |
HIP 41903 |
10.11 |
| 2026-06-21 00:00 |
08:32:27.72 |
+20:15:31.7 |
HIP 41903 |
7.24 |
| 2026-06-21 12:00 |
08:32:43.47 |
+20:14:25.7 |
HIP 41903 |
5.68 |
| 2026-06-22 00:00 |
08:32:59.27 |
+20:13:19.5 |
HIP 41903 |
6.47 |