| Parameter |
Value |
| Designation |
C/2010 M1 (Gibbs) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2010-12-07T17:29:11.739840Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:44Z |
| Obs used |
24 |
| NEO |
- |
| M1 |
7.400 |
| K1 |
10.000 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2010-06-21.0000000 |
| e |
1.00392663 |
| q (au) |
7.977048 |
| a (au) |
-2031.524363 |
| i (deg) |
116.576314 |
| Ω (om, deg) |
66.486160 |
| ω (w, deg) |
167.188855 |
| M (ma, deg) |
-0.001827 |
Magnitude
Scatter + Global Linear
$$
M_a = (10.041 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
10.041 |
| n |
6.000 |
| gf |
0.944 |
| gb |
-0.938 |
| k |
0.801 |
| δ90 |
9.234 |
| 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) |
| 2026-05-12 00:00 |
07:24:33.10 |
-38:53:50.2 |
HIP 36057 |
16.95 |
| 2026-05-12 12:00 |
07:24:35.25 |
-38:53:01.4 |
HIP 36057 |
16.24 |
| 2026-05-13 00:00 |
07:24:37.44 |
-38:52:12.9 |
HIP 36057 |
15.55 |
| 2026-05-13 12:00 |
07:24:39.67 |
-38:51:24.7 |
HIP 36057 |
14.87 |
| 2026-05-14 00:00 |
07:24:41.92 |
-38:50:36.8 |
HIP 36057 |
14.22 |
| 2026-05-14 12:00 |
07:24:44.22 |
-38:49:49.1 |
HIP 36057 |
13.58 |
| 2026-05-15 00:00 |
07:24:46.54 |
-38:49:01.8 |
HIP 36057 |
12.98 |
| 2026-05-15 12:00 |
07:24:48.91 |
-38:48:14.8 |
HIP 36057 |
12.41 |
| 2026-05-16 00:00 |
07:24:51.30 |
-38:47:28.0 |
HIP 36057 |
11.87 |
| 2026-05-16 12:00 |
07:24:53.73 |
-38:46:41.6 |
HIP 36057 |
11.37 |
| 2026-05-17 00:00 |
07:24:56.20 |
-38:45:55.5 |
HIP 36057 |
10.92 |
| 2026-05-17 12:00 |
07:24:58.69 |
-38:45:09.7 |
HIP 36057 |
10.52 |
| 2026-05-18 00:00 |
07:25:01.22 |
-38:44:24.2 |
HIP 36057 |
10.18 |
| 2026-05-18 12:00 |
07:25:03.78 |
-38:43:39.0 |
HIP 36057 |
9.90 |
| 2026-05-19 00:00 |
07:25:06.38 |
-38:42:54.1 |
HIP 36057 |
9.69 |
| 2026-05-19 12:00 |
07:25:09.00 |
-38:42:09.6 |
HIP 36057 |
9.55 |
| 2026-05-20 00:00 |
07:25:11.66 |
-38:41:25.3 |
HIP 36057 |
9.49 |
| 2026-05-20 12:00 |
07:25:14.35 |
-38:40:41.4 |
HIP 36057 |
9.50 |
| 2026-05-21 00:00 |
07:25:17.07 |
-38:39:57.9 |
HIP 36057 |
9.59 |
| 2026-05-21 12:00 |
07:25:19.83 |
-38:39:14.6 |
HIP 36057 |
9.76 |
| 2026-05-22 00:00 |
07:25:22.61 |
-38:38:31.7 |
HIP 36057 |
9.99 |
| 2026-05-22 12:00 |
07:25:25.42 |
-38:37:49.1 |
HIP 36057 |
10.29 |
| 2026-05-23 00:00 |
07:25:28.27 |
-38:37:06.9 |
HIP 36057 |
10.65 |
| 2026-05-23 12:00 |
07:25:31.14 |
-38:36:25.0 |
HIP 36057 |
11.07 |
| 2026-05-24 00:00 |
07:25:34.04 |
-38:35:43.4 |
HIP 36057 |
11.53 |
| 2026-05-24 12:00 |
07:25:36.97 |
-38:35:02.2 |
HIP 36057 |
12.03 |
| 2026-05-25 00:00 |
07:25:39.94 |
-38:34:21.3 |
HIP 36057 |
12.57 |
| 2026-05-25 12:00 |
07:25:42.92 |
-38:33:40.7 |
HIP 36057 |
13.15 |
| 2026-05-26 00:00 |
07:25:45.94 |
-38:33:00.5 |
HIP 36057 |
13.75 |
| 2026-05-26 12:00 |
07:25:48.99 |
-38:32:20.7 |
HIP 36057 |
14.37 |
| 2026-05-27 00:00 |
07:25:52.06 |
-38:31:41.2 |
HIP 35992 |
14.80 |
| 2026-05-27 12:00 |
07:25:55.16 |
-38:31:02.0 |
HIP 35992 |
14.77 |
| 2026-05-28 00:00 |
07:25:58.29 |
-38:30:23.2 |
HIP 35992 |
14.80 |
| 2026-05-28 12:00 |
07:26:01.45 |
-38:29:44.8 |
HIP 35992 |
14.90 |
| 2026-05-29 00:00 |
07:26:04.63 |
-38:29:06.7 |
HIP 35992 |
15.06 |
| 2026-05-29 12:00 |
07:26:07.84 |
-38:28:28.9 |
HIP 35992 |
15.27 |
| 2026-05-30 00:00 |
07:26:11.08 |
-38:27:51.5 |
HIP 35992 |
15.54 |
| 2026-05-30 12:00 |
07:26:14.34 |
-38:27:14.5 |
HIP 35992 |
15.86 |
| 2026-05-31 00:00 |
07:26:17.63 |
-38:26:37.9 |
HIP 35992 |
16.23 |
| 2026-05-31 12:00 |
07:26:20.94 |
-38:26:01.6 |
HIP 35992 |
16.65 |
| 2026-06-01 00:00 |
07:26:24.28 |
-38:25:25.7 |
HIP 35992 |
17.11 |
| 2026-06-01 12:00 |
07:26:27.64 |
-38:24:50.1 |
HIP 35992 |
17.61 |
| 2026-06-02 00:00 |
07:26:31.03 |
-38:24:14.9 |
HIP 35992 |
18.14 |