| Parameter |
Value |
| Designation |
248P/Gibbs |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2011-02-06T03:09:51.494400Z |
| Orbit solution date (soln_date, UTC) |
2026-03-31T09:42:38Z |
| Obs used |
329 |
| NEO |
- |
| M1 |
16.000 |
| K1 |
4.500 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2016-02-26.0000000 |
| e |
0.63854955 |
| q (au) |
2.164153 |
| a (au) |
5.987411 |
| i (deg) |
6.355447 |
| Ω (om, deg) |
207.787302 |
| ω (w, deg) |
210.164618 |
| M (ma, deg) |
124.178411 |
Magnitude
Scatter + Global Linear
$$
M_a = (15.542 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
15.542 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.752 |
| k |
0.995 |
| 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) |
| 2026-03-26 00:00 |
06:44:35.71 |
+15:57:32.7 |
HIP 32150 |
27.30 |
| 2026-03-26 12:00 |
06:45:07.15 |
+15:58:08.1 |
HIP 32413 |
22.74 |
| 2026-03-27 00:00 |
06:45:38.76 |
+15:58:42.6 |
HIP 32413 |
18.99 |
| 2026-03-27 12:00 |
06:46:10.56 |
+15:59:16.1 |
HIP 32413 |
17.92 |
| 2026-03-28 00:00 |
06:46:42.53 |
+15:59:48.7 |
HIP 32413 |
20.00 |
| 2026-03-28 12:00 |
06:47:14.68 |
+16:00:20.4 |
HIP 32413 |
24.49 |
| 2026-03-29 00:00 |
06:47:47.00 |
+16:00:51.1 |
HIP 32692 |
26.67 |
| 2026-03-29 12:00 |
06:48:19.49 |
+16:01:20.9 |
HIP 32692 |
21.40 |
| 2026-03-30 00:00 |
06:48:52.15 |
+16:01:49.7 |
HIP 32753 |
17.29 |
| 2026-03-30 12:00 |
06:49:24.98 |
+16:02:17.5 |
HIP 32753 |
11.55 |
| 2026-03-31 00:00 |
06:49:57.97 |
+16:02:44.4 |
HIP 32753 |
9.63 |
| 2026-03-31 12:00 |
06:50:31.12 |
+16:03:10.3 |
HIP 32753 |
13.39 |
| 2026-04-01 00:00 |
06:51:04.44 |
+16:03:35.3 |
HIP 32753 |
19.87 |
| 2026-04-01 12:00 |
06:51:37.91 |
+16:03:59.3 |
HIP 32753 |
27.21 |
| 2026-04-02 00:00 |
06:52:11.54 |
+16:04:22.3 |
HIP 33039 |
29.26 |
| 2026-04-02 12:00 |
06:52:45.33 |
+16:04:44.3 |
HIP 33039 |
27.46 |
| 2026-04-03 00:00 |
06:53:19.26 |
+16:05:05.4 |
HIP 33205 |
24.37 |
| 2026-04-03 12:00 |
06:53:53.35 |
+16:05:25.4 |
HIP 33205 |
18.81 |
| 2026-04-04 00:00 |
06:54:27.59 |
+16:05:44.5 |
HIP 33205 |
15.74 |
| 2026-04-04 12:00 |
06:55:01.97 |
+16:06:02.6 |
HIP 33205 |
16.64 |
| 2026-04-05 00:00 |
06:55:36.50 |
+16:06:19.7 |
HIP 33205 |
21.06 |
| 2026-04-05 12:00 |
06:56:11.17 |
+16:06:35.8 |
HIP 33469 |
18.78 |
| 2026-04-06 00:00 |
06:56:45.98 |
+16:06:50.9 |
HIP 33469 |
11.03 |
| 2026-04-06 12:00 |
06:57:20.94 |
+16:07:05.0 |
HIP 33469 |
5.50 |
| 2026-04-07 00:00 |
06:57:56.03 |
+16:07:18.1 |
HIP 33469 |
8.96 |
| 2026-04-07 12:00 |
06:58:31.26 |
+16:07:30.2 |
HIP 33618 |
9.63 |
| 2026-04-08 00:00 |
06:59:06.62 |
+16:07:41.2 |
HIP 33618 |
5.25 |
| 2026-04-08 12:00 |
06:59:42.12 |
+16:07:51.3 |
HIP 33715 |
8.67 |
| 2026-04-09 00:00 |
07:00:17.75 |
+16:08:00.3 |
HIP 33715 |
3.30 |
| 2026-04-09 12:00 |
07:00:53.51 |
+16:08:08.4 |
HIP 33715 |
9.67 |
| 2026-04-10 00:00 |
07:01:29.40 |
+16:08:15.4 |
HIP 33818 |
13.91 |
| 2026-04-10 12:00 |
07:02:05.42 |
+16:08:21.4 |
HIP 33941 |
12.55 |
| 2026-04-11 00:00 |
07:02:41.56 |
+16:08:26.3 |
HIP 33941 |
10.05 |
| 2026-04-11 12:00 |
07:03:17.83 |
+16:08:30.2 |
HIP 34057 |
8.74 |
| 2026-04-12 00:00 |
07:03:54.22 |
+16:08:33.1 |
HIP 34057 |
2.41 |
| 2026-04-12 12:00 |
07:04:30.73 |
+16:08:35.0 |
HIP 34057 |
9.41 |
| 2026-04-13 00:00 |
07:05:07.36 |
+16:08:35.8 |
HIP 34057 |
18.06 |
| 2026-04-13 12:00 |
07:05:44.11 |
+16:08:35.6 |
HIP 34057 |
26.83 |
| 2026-04-14 00:00 |
07:06:20.98 |
+16:08:34.3 |
HIP 34437 |
29.03 |
| 2026-04-14 12:00 |
07:06:57.96 |
+16:08:32.0 |
HIP 34437 |
20.15 |
| 2026-04-15 00:00 |
07:07:35.05 |
+16:08:28.7 |
HIP 34437 |
11.24 |
| 2026-04-15 12:00 |
07:08:12.26 |
+16:08:24.3 |
HIP 34437 |
2.32 |
| 2026-04-16 00:00 |
07:08:49.57 |
+16:08:18.8 |
HIP 34437 |
6.66 |