| Parameter |
Value |
| Designation |
C/2002 CE10 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2003-06-22T02:22:09.416640Z |
| Orbit solution date (soln_date, UTC) |
2025-09-09T12:42:31Z |
| Obs used |
821 |
| NEO |
- |
| M1 |
13.500 |
| K1 |
4.500 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2003-06-22.0000000 |
| e |
0.79148441 |
| q (au) |
2.046759 |
| a (au) |
9.815858 |
| i (deg) |
145.458691 |
| Ω (om, deg) |
147.443946 |
| ω (w, deg) |
126.188143 |
| M (ma, deg) |
359.996836 |
Magnitude
Scatter + Global Linear
$$
M_a = (11.514 + 4.943\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
11.514 |
| n |
4.943 |
| gf |
1.000 |
| gb |
-0.532 |
| 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
Ephemeris
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
11:01:48.10 |
-14:16:02.0 |
HIP 53778 |
25.84 |
| 2026-06-01 12:00 |
11:01:46.77 |
-14:15:01.0 |
HIP 53778 |
25.13 |
| 2026-06-02 00:00 |
11:01:45.50 |
-14:14:00.5 |
HIP 53778 |
24.46 |
| 2026-06-02 12:00 |
11:01:44.31 |
-14:13:00.3 |
HIP 53778 |
23.83 |
| 2026-06-03 00:00 |
11:01:43.18 |
-14:12:00.6 |
HIP 53778 |
23.26 |
| 2026-06-03 12:00 |
11:01:42.11 |
-14:11:01.3 |
HIP 53778 |
22.73 |
| 2026-06-04 00:00 |
11:01:41.12 |
-14:10:02.4 |
HIP 53778 |
22.26 |
| 2026-06-04 12:00 |
11:01:40.19 |
-14:09:03.9 |
HIP 53778 |
21.84 |
| 2026-06-05 00:00 |
11:01:39.33 |
-14:08:05.9 |
HIP 53778 |
21.47 |
| 2026-06-05 12:00 |
11:01:38.54 |
-14:07:08.3 |
HIP 53778 |
21.16 |
| 2026-06-06 00:00 |
11:01:37.81 |
-14:06:11.1 |
HIP 53778 |
20.91 |
| 2026-06-06 12:00 |
11:01:37.15 |
-14:05:14.4 |
HIP 53778 |
20.72 |
| 2026-06-07 00:00 |
11:01:36.56 |
-14:04:18.1 |
HIP 53778 |
20.59 |
| 2026-06-07 12:00 |
11:01:36.04 |
-14:03:22.2 |
HIP 53778 |
20.52 |
| 2026-06-08 00:00 |
11:01:35.58 |
-14:02:26.8 |
HIP 53778 |
20.50 |
| 2026-06-08 12:00 |
11:01:35.19 |
-14:01:31.8 |
HIP 53778 |
20.54 |
| 2026-06-09 00:00 |
11:01:34.86 |
-14:00:37.3 |
HIP 53778 |
20.64 |
| 2026-06-09 12:00 |
11:01:34.60 |
-13:59:43.2 |
HIP 53778 |
20.79 |
| 2026-06-10 00:00 |
11:01:34.41 |
-13:58:49.6 |
HIP 53778 |
20.99 |
| 2026-06-10 12:00 |
11:01:34.29 |
-13:57:56.4 |
HIP 53778 |
21.24 |
| 2026-06-11 00:00 |
11:01:34.23 |
-13:57:03.7 |
HIP 53778 |
21.53 |
| 2026-06-11 12:00 |
11:01:34.23 |
-13:56:11.5 |
HIP 53778 |
21.87 |
| 2026-06-12 00:00 |
11:01:34.31 |
-13:55:19.7 |
HIP 53778 |
22.25 |
| 2026-06-12 12:00 |
11:01:34.44 |
-13:54:28.4 |
HIP 53778 |
22.66 |
| 2026-06-13 00:00 |
11:01:34.65 |
-13:53:37.5 |
HIP 53778 |
23.11 |
| 2026-06-13 12:00 |
11:01:34.92 |
-13:52:47.2 |
HIP 53778 |
23.59 |
| 2026-06-14 00:00 |
11:01:35.25 |
-13:51:57.2 |
HIP 53778 |
24.10 |
| 2026-06-14 12:00 |
11:01:35.65 |
-13:51:07.8 |
HIP 53778 |
24.64 |
| 2026-06-15 00:00 |
11:01:36.11 |
-13:50:18.9 |
HIP 53778 |
25.20 |
| 2026-06-15 12:00 |
11:01:36.64 |
-13:49:30.4 |
HIP 53778 |
25.78 |
| 2026-06-16 00:00 |
11:01:37.24 |
-13:48:42.4 |
HIP 53778 |
26.38 |
| 2026-06-16 12:00 |
11:01:37.89 |
-13:47:54.9 |
HIP 53778 |
27.00 |
| 2026-06-17 00:00 |
11:01:38.61 |
-13:47:07.8 |
HIP 53778 |
27.64 |
| 2026-06-17 12:00 |
11:01:39.40 |
-13:46:21.3 |
HIP 53778 |
28.29 |
| 2026-06-18 00:00 |
11:01:40.25 |
-13:45:35.2 |
HIP 53778 |
28.96 |
| 2026-06-18 12:00 |
11:01:41.16 |
-13:44:49.6 |
HIP 53778 |
29.63 |
| 2026-06-19 00:00 |
11:01:42.14 |
-13:44:04.6 |
HIP 53778 |
30.32 |
| 2026-06-19 12:00 |
11:01:43.17 |
-13:43:20.0 |
HIP 53778 |
31.02 |
| 2026-06-20 00:00 |
11:01:44.27 |
-13:42:35.8 |
HIP 53778 |
31.73 |
| 2026-06-20 12:00 |
11:01:45.44 |
-13:41:52.2 |
HIP 54048 |
31.27 |
| 2026-06-21 00:00 |
11:01:46.66 |
-13:41:09.1 |
HIP 54048 |
30.66 |
| 2026-06-21 12:00 |
11:01:47.95 |
-13:40:26.5 |
HIP 54048 |
30.04 |
| 2026-06-22 00:00 |
11:01:49.29 |
-13:39:44.3 |
HIP 54048 |
29.42 |