| Parameter |
Value |
| Designation |
C/2014 OG392 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2021-12-01T11:14:16.670400Z |
| Orbit solution date (soln_date, UTC) |
2025-12-18T15:12:21Z |
| Obs used |
369 |
| NEO |
- |
| M1 |
11.500 |
| K1 |
4.500 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2019-08-18.0000000 |
| e |
0.18203659 |
| q (au) |
9.968960 |
| a (au) |
12.187538 |
| i (deg) |
9.036164 |
| Ω (om, deg) |
145.825140 |
| ω (w, deg) |
254.110404 |
| M (ma, deg) |
340.623312 |
Magnitude
Scatter + Global Linear
$$
M_a = (H_0 + n\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
- |
| n |
- |
| gf |
- |
| gb |
- |
| k |
- |
| δ90 |
- |
| 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) |
| 2026-03-26 00:00 |
05:45:24.82 |
+16:08:19.1 |
HIP 27106 |
8.21 |
| 2026-03-26 12:00 |
05:45:30.11 |
+16:08:46.2 |
HIP 27106 |
9.56 |
| 2026-03-27 00:00 |
05:45:35.49 |
+16:09:13.2 |
HIP 27106 |
10.93 |
| 2026-03-27 12:00 |
05:45:40.95 |
+16:09:40.2 |
HIP 27106 |
12.31 |
| 2026-03-28 00:00 |
05:45:46.51 |
+16:10:07.2 |
HIP 27106 |
13.72 |
| 2026-03-28 12:00 |
05:45:52.16 |
+16:10:34.0 |
HIP 27106 |
15.14 |
| 2026-03-29 00:00 |
05:45:57.89 |
+16:11:00.9 |
HIP 27106 |
16.59 |
| 2026-03-29 12:00 |
05:46:03.71 |
+16:11:27.7 |
HIP 27106 |
18.05 |
| 2026-03-30 00:00 |
05:46:09.62 |
+16:11:54.4 |
HIP 27106 |
19.54 |
| 2026-03-30 12:00 |
05:46:15.61 |
+16:12:21.0 |
HIP 27106 |
21.04 |
| 2026-03-31 00:00 |
05:46:21.69 |
+16:12:47.7 |
HIP 27106 |
22.57 |
| 2026-03-31 12:00 |
05:46:27.86 |
+16:13:14.2 |
HIP 27106 |
24.11 |
| 2026-04-01 00:00 |
05:46:34.12 |
+16:13:40.7 |
HIP 27265 |
24.48 |
| 2026-04-01 12:00 |
05:46:40.46 |
+16:14:07.1 |
HIP 27265 |
24.80 |
| 2026-04-02 00:00 |
05:46:46.88 |
+16:14:33.5 |
HIP 27265 |
25.21 |
| 2026-04-02 12:00 |
05:46:53.39 |
+16:14:59.7 |
HIP 27265 |
25.72 |
| 2026-04-03 00:00 |
05:46:59.98 |
+16:15:26.0 |
HIP 27265 |
26.31 |
| 2026-04-03 12:00 |
05:47:06.66 |
+16:15:52.1 |
HIP 27265 |
27.00 |
| 2026-04-04 00:00 |
05:47:13.42 |
+16:16:18.2 |
HIP 27265 |
27.78 |
| 2026-04-04 12:00 |
05:47:20.27 |
+16:16:44.2 |
HIP 27265 |
28.63 |
| 2026-04-05 00:00 |
05:47:27.20 |
+16:17:10.1 |
HIP 27265 |
29.57 |
| 2026-04-05 12:00 |
05:47:34.21 |
+16:17:36.0 |
HIP 27265 |
30.58 |
| 2026-04-06 00:00 |
05:47:41.30 |
+16:18:01.7 |
HIP 27265 |
31.66 |
| 2026-04-06 12:00 |
05:47:48.47 |
+16:18:27.4 |
HIP 27265 |
32.80 |
| 2026-04-07 00:00 |
05:47:55.73 |
+16:18:53.0 |
HIP 27265 |
34.01 |
| 2026-04-07 12:00 |
05:48:03.06 |
+16:19:18.6 |
HIP 27265 |
35.28 |
| 2026-04-08 00:00 |
05:48:10.48 |
+16:19:44.0 |
HIP 27567 |
33.83 |
| 2026-04-08 12:00 |
05:48:17.98 |
+16:20:09.4 |
HIP 27567 |
32.03 |
| 2026-04-09 00:00 |
05:48:25.55 |
+16:20:34.6 |
HIP 27567 |
30.21 |
| 2026-04-09 12:00 |
05:48:33.21 |
+16:20:59.8 |
HIP 27567 |
28.39 |
| 2026-04-10 00:00 |
05:48:40.94 |
+16:21:24.9 |
HIP 27567 |
26.56 |
| 2026-04-10 12:00 |
05:48:48.75 |
+16:21:49.9 |
HIP 27567 |
24.73 |
| 2026-04-11 00:00 |
05:48:56.65 |
+16:22:14.8 |
HIP 27567 |
22.90 |
| 2026-04-11 12:00 |
05:49:04.62 |
+16:22:39.6 |
HIP 27567 |
21.07 |
| 2026-04-12 00:00 |
05:49:12.66 |
+16:23:04.3 |
HIP 27567 |
19.25 |
| 2026-04-12 12:00 |
05:49:20.79 |
+16:23:28.9 |
HIP 27567 |
17.44 |
| 2026-04-13 00:00 |
05:49:28.99 |
+16:23:53.4 |
HIP 27567 |
15.68 |
| 2026-04-13 12:00 |
05:49:37.26 |
+16:24:17.8 |
HIP 27567 |
13.96 |
| 2026-04-14 00:00 |
05:49:45.61 |
+16:24:42.1 |
HIP 27567 |
12.34 |
| 2026-04-14 12:00 |
05:49:54.04 |
+16:25:06.3 |
HIP 27567 |
10.84 |
| 2026-04-15 00:00 |
05:50:02.54 |
+16:25:30.4 |
HIP 27567 |
9.55 |
| 2026-04-15 12:00 |
05:50:11.12 |
+16:25:54.4 |
HIP 27567 |
8.58 |
| 2026-04-16 00:00 |
05:50:19.77 |
+16:26:18.2 |
HIP 27567 |
8.05 |