| Parameter |
Value |
| Designation |
C/2022 N2 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2025-07-31T18:28:49.900800Z |
| Orbit solution date (soln_date, UTC) |
2026-07-06T12:12:23Z |
| Obs used |
3883 |
| NEO |
- |
| M1 |
9.100 |
| K1 |
5.750 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2022-07-04T10:42:53.971200Z |
| Discovery magnitude (MPC) |
20.66 w |
| Discovery observatory (MPC) |
F52 · Pan-STARRS 2, Haleakala |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2025-04-17.0000000 |
| e |
1.00323737 |
| q (au) |
3.825530 |
| a (au) |
-1181.677833 |
| i (deg) |
5.503042 |
| Ω (om, deg) |
319.741049 |
| ω (w, deg) |
75.389160 |
| M (ma, deg) |
-0.002566 |
Magnitude
Scatter + Global Linear
$$
M_a = (9.696 + 2.882\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
9.696 |
| n |
2.882 |
| gf |
1.000 |
| gb |
-0.632 |
| 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
Finding Chart
Ephemeris
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-07-29 00:00 |
06:32:57.86 |
+26:42:22.7 |
HIP 31213 |
3.36 |
| 2026-07-29 12:00 |
06:33:29.54 |
+26:41:56.0 |
HIP 31213 |
9.30 |
| 2026-07-30 00:00 |
06:34:01.14 |
+26:41:29.1 |
HIP 31213 |
16.18 |
| 2026-07-30 12:00 |
06:34:32.65 |
+26:41:01.9 |
HIP 31535 |
20.94 |
| 2026-07-31 00:00 |
06:35:04.08 |
+26:40:34.4 |
HIP 31535 |
14.03 |
| 2026-07-31 12:00 |
06:35:35.43 |
+26:40:06.7 |
HIP 31535 |
7.38 |
| 2026-08-01 00:00 |
06:36:06.69 |
+26:39:38.8 |
HIP 31545 |
2.75 |
| 2026-08-01 12:00 |
06:36:37.87 |
+26:39:10.7 |
HIP 31545 |
6.11 |
| 2026-08-02 00:00 |
06:37:08.96 |
+26:38:42.4 |
HIP 31545 |
12.81 |
| 2026-08-02 12:00 |
06:37:39.97 |
+26:38:13.8 |
HIP 31774 |
15.73 |
| 2026-08-03 00:00 |
06:38:10.89 |
+26:37:45.0 |
HIP 31774 |
10.11 |
| 2026-08-03 12:00 |
06:38:41.72 |
+26:37:16.0 |
HIP 31774 |
7.28 |
| 2026-08-04 00:00 |
06:39:12.46 |
+26:36:46.8 |
HIP 31774 |
9.95 |
| 2026-08-04 12:00 |
06:39:43.12 |
+26:36:17.3 |
HIP 31774 |
15.48 |
| 2026-08-05 00:00 |
06:40:13.69 |
+26:35:47.7 |
HIP 31774 |
21.76 |
| 2026-08-05 12:00 |
06:40:44.16 |
+26:35:17.9 |
HIP 32057 |
22.82 |
| 2026-08-06 00:00 |
06:41:14.55 |
+26:34:47.9 |
HIP 32057 |
18.46 |
| 2026-08-06 12:00 |
06:41:44.84 |
+26:34:17.7 |
HIP 32057 |
15.92 |
| 2026-08-07 00:00 |
06:42:15.05 |
+26:33:47.3 |
HIP 32057 |
16.08 |
| 2026-08-07 12:00 |
06:42:45.16 |
+26:33:16.7 |
HIP 32057 |
18.84 |
| 2026-08-08 00:00 |
06:43:15.17 |
+26:32:45.9 |
HIP 32232 |
20.20 |
| 2026-08-08 12:00 |
06:43:45.09 |
+26:32:15.0 |
HIP 32232 |
18.70 |
| 2026-08-09 00:00 |
06:44:14.92 |
+26:31:43.9 |
HIP 32232 |
19.53 |
| 2026-08-09 12:00 |
06:44:44.65 |
+26:31:12.6 |
HIP 32232 |
22.41 |
| 2026-08-10 00:00 |
06:45:14.29 |
+26:30:41.1 |
HIP 32306 |
23.93 |
| 2026-08-10 12:00 |
06:45:43.82 |
+26:30:09.5 |
HIP 32518 |
19.76 |
| 2026-08-11 00:00 |
06:46:13.26 |
+26:29:37.8 |
HIP 32518 |
13.48 |
| 2026-08-11 12:00 |
06:46:42.60 |
+26:29:05.9 |
HIP 32518 |
7.79 |
| 2026-08-12 00:00 |
06:47:11.84 |
+26:28:33.8 |
HIP 32518 |
5.12 |
| 2026-08-12 12:00 |
06:47:40.97 |
+26:28:01.6 |
HIP 32518 |
8.81 |
| 2026-08-13 00:00 |
06:48:10.01 |
+26:27:29.3 |
HIP 32663 |
12.96 |
| 2026-08-13 12:00 |
06:48:38.94 |
+26:26:56.8 |
HIP 32663 |
9.39 |
| 2026-08-14 00:00 |
06:49:07.77 |
+26:26:24.2 |
HIP 32663 |
9.63 |
| 2026-08-14 12:00 |
06:49:36.50 |
+26:25:51.4 |
HIP 32663 |
13.45 |
| 2026-08-15 00:00 |
06:50:05.12 |
+26:25:18.6 |
HIP 32663 |
18.75 |
| 2026-08-15 12:00 |
06:50:33.63 |
+26:24:45.6 |
HIP 32959 |
17.87 |
| 2026-08-16 00:00 |
06:51:02.04 |
+26:24:12.5 |
HIP 32959 |
11.50 |
| 2026-08-16 12:00 |
06:51:30.34 |
+26:23:39.4 |
HIP 32959 |
5.17 |
| 2026-08-17 00:00 |
06:51:58.53 |
+26:23:06.1 |
HIP 32959 |
1.48 |
| 2026-08-17 12:00 |
06:52:26.62 |
+26:22:32.7 |
HIP 32959 |
7.59 |
| 2026-08-18 00:00 |
06:52:54.60 |
+26:21:59.2 |
HIP 32959 |
13.86 |
| 2026-08-18 12:00 |
06:53:22.46 |
+26:21:25.6 |
HIP 33194 |
18.20 |
| 2026-08-19 00:00 |
06:53:50.22 |
+26:20:51.9 |
HIP 33194 |
14.02 |