| 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
$$
M_a = (10.035 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
10.035 |
| n |
6.000 |
| gf |
0.994 |
| gb |
-0.938 |
| k |
0.800 |
| δ90 |
8.525 |
| 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 |
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 |
| 2026-06-02 12:00 |
07:26:34.44 |
-38:23:40.1 |
HIP 35992 |
18.71 |
| 2026-06-03 00:00 |
07:26:37.88 |
-38:23:05.6 |
HIP 35992 |
19.30 |
| 2026-06-03 12:00 |
07:26:41.34 |
-38:22:31.6 |
HIP 35992 |
19.93 |
| 2026-06-04 00:00 |
07:26:44.82 |
-38:21:57.8 |
HIP 35992 |
20.57 |
| 2026-06-04 12:00 |
07:26:48.33 |
-38:21:24.5 |
HIP 35992 |
21.24 |
| 2026-06-05 00:00 |
07:26:51.86 |
-38:20:51.6 |
HIP 35992 |
21.93 |
| 2026-06-05 12:00 |
07:26:55.41 |
-38:20:19.0 |
HIP 35992 |
22.64 |
| 2026-06-06 00:00 |
07:26:58.98 |
-38:19:46.8 |
HIP 36269 |
22.91 |
| 2026-06-06 12:00 |
07:27:02.58 |
-38:19:15.0 |
HIP 36269 |
22.08 |
| 2026-06-07 00:00 |
07:27:06.20 |
-38:18:43.5 |
HIP 36269 |
21.26 |
| 2026-06-07 12:00 |
07:27:09.84 |
-38:18:12.5 |
HIP 36269 |
20.44 |
| 2026-06-08 00:00 |
07:27:13.51 |
-38:17:41.8 |
HIP 36269 |
19.64 |
| 2026-06-08 12:00 |
07:27:17.19 |
-38:17:11.6 |
HIP 36269 |
18.85 |
| 2026-06-09 00:00 |
07:27:20.90 |
-38:16:41.7 |
HIP 36269 |
18.07 |
| 2026-06-09 12:00 |
07:27:24.62 |
-38:16:12.2 |
HIP 36269 |
17.30 |
| 2026-06-10 00:00 |
07:27:28.37 |
-38:15:43.1 |
HIP 36269 |
16.55 |
| 2026-06-10 12:00 |
07:27:32.14 |
-38:15:14.4 |
HIP 36269 |
15.81 |
| 2026-06-11 00:00 |
07:27:35.92 |
-38:14:46.1 |
HIP 36269 |
15.10 |
| 2026-06-11 12:00 |
07:27:39.73 |
-38:14:18.2 |
HIP 36269 |
14.41 |
| 2026-06-12 00:00 |
07:27:43.55 |
-38:13:50.7 |
HIP 36269 |
13.74 |
| 2026-06-12 12:00 |
07:27:47.40 |
-38:13:23.5 |
HIP 36269 |
13.11 |
| 2026-06-13 00:00 |
07:27:51.26 |
-38:12:56.8 |
HIP 36269 |
12.52 |
| 2026-06-13 12:00 |
07:27:55.14 |
-38:12:30.5 |
HIP 36269 |
11.96 |
| 2026-06-14 00:00 |
07:27:59.04 |
-38:12:04.6 |
HIP 36269 |
11.46 |
| 2026-06-14 12:00 |
07:28:02.96 |
-38:11:39.1 |
HIP 36269 |
11.00 |
| 2026-06-15 00:00 |
07:28:06.89 |
-38:11:14.0 |
HIP 36269 |
10.61 |
| 2026-06-15 12:00 |
07:28:10.84 |
-38:10:49.3 |
HIP 36269 |
10.29 |
| 2026-06-16 00:00 |
07:28:14.81 |
-38:10:25.0 |
HIP 36269 |
10.04 |
| 2026-06-16 12:00 |
07:28:18.79 |
-38:10:01.1 |
HIP 36269 |
9.87 |
| 2026-06-17 00:00 |
07:28:22.79 |
-38:09:37.7 |
HIP 36269 |
9.78 |
| 2026-06-17 12:00 |
07:28:26.81 |
-38:09:14.6 |
HIP 36269 |
9.78 |
| 2026-06-18 00:00 |
07:28:30.84 |
-38:08:52.0 |
HIP 36269 |
9.87 |
| 2026-06-18 12:00 |
07:28:34.89 |
-38:08:29.8 |
HIP 36269 |
10.04 |
| 2026-06-19 00:00 |
07:28:38.95 |
-38:08:07.9 |
HIP 36269 |
10.28 |
| 2026-06-19 12:00 |
07:28:43.02 |
-38:07:46.5 |
HIP 36414 |
9.53 |
| 2026-06-20 00:00 |
07:28:47.11 |
-38:07:25.6 |
HIP 36414 |
8.72 |
| 2026-06-20 12:00 |
07:28:51.22 |
-38:07:05.0 |
HIP 36414 |
7.92 |
| 2026-06-21 00:00 |
07:28:55.33 |
-38:06:44.8 |
HIP 36414 |
7.13 |
| 2026-06-21 12:00 |
07:28:59.46 |
-38:06:25.1 |
HIP 36414 |
6.36 |
| 2026-06-22 00:00 |
07:29:03.60 |
-38:06:05.7 |
HIP 36414 |
5.62 |