| Parameter |
Value |
| Designation |
C/2002 B3 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2002-01-16T16:07:23.381760Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:14Z |
| Obs used |
50 |
| NEO |
- |
| M1 |
7.800 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2002-02-11.0000000 |
| e |
1.00544039 |
| q (au) |
6.056174 |
| a (au) |
-1113.188016 |
| i (deg) |
73.690348 |
| Ω (om, deg) |
289.364950 |
| ω (w, deg) |
123.136749 |
| M (ma, deg) |
0.000672 |
Magnitude
Scatter + Global Linear
$$
M_a = (10.937 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
10.937 |
| n |
2.000 |
| gf |
0.910 |
| gb |
-0.500 |
| k |
1.000 |
| δ90 |
7.444 |
| 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 |
08:12:25.86 |
-54:28:04.0 |
HIP 40188 |
19.30 |
| 2026-06-01 12:00 |
08:12:28.88 |
-54:27:38.0 |
HIP 40188 |
18.85 |
| 2026-06-02 00:00 |
08:12:31.94 |
-54:27:12.2 |
HIP 40188 |
18.41 |
| 2026-06-02 12:00 |
08:12:35.02 |
-54:26:46.6 |
HIP 40188 |
17.99 |
| 2026-06-03 00:00 |
08:12:38.13 |
-54:26:21.3 |
HIP 40188 |
17.58 |
| 2026-06-03 12:00 |
08:12:41.27 |
-54:25:56.2 |
HIP 40188 |
17.19 |
| 2026-06-04 00:00 |
08:12:44.43 |
-54:25:31.4 |
HIP 40188 |
16.82 |
| 2026-06-04 12:00 |
08:12:47.62 |
-54:25:06.8 |
HIP 40188 |
16.47 |
| 2026-06-05 00:00 |
08:12:50.84 |
-54:24:42.5 |
HIP 40188 |
16.13 |
| 2026-06-05 12:00 |
08:12:54.09 |
-54:24:18.3 |
HIP 40188 |
15.82 |
| 2026-06-06 00:00 |
08:12:57.36 |
-54:23:54.5 |
HIP 40188 |
15.54 |
| 2026-06-06 12:00 |
08:13:00.66 |
-54:23:30.9 |
HIP 40188 |
15.28 |
| 2026-06-07 00:00 |
08:13:03.99 |
-54:23:07.5 |
HIP 40188 |
15.04 |
| 2026-06-07 12:00 |
08:13:07.34 |
-54:22:44.4 |
HIP 40188 |
14.83 |
| 2026-06-08 00:00 |
08:13:10.72 |
-54:22:21.5 |
HIP 40188 |
14.66 |
| 2026-06-08 12:00 |
08:13:14.12 |
-54:21:58.9 |
HIP 40188 |
14.51 |
| 2026-06-09 00:00 |
08:13:17.55 |
-54:21:36.5 |
HIP 40188 |
14.39 |
| 2026-06-09 12:00 |
08:13:21.01 |
-54:21:14.4 |
HIP 40188 |
14.31 |
| 2026-06-10 00:00 |
08:13:24.49 |
-54:20:52.6 |
HIP 40188 |
14.25 |
| 2026-06-10 12:00 |
08:13:27.99 |
-54:20:31.0 |
HIP 40188 |
14.24 |
| 2026-06-11 00:00 |
08:13:31.52 |
-54:20:09.7 |
HIP 40188 |
14.25 |
| 2026-06-11 12:00 |
08:13:35.08 |
-54:19:48.7 |
HIP 40188 |
14.30 |
| 2026-06-12 00:00 |
08:13:38.65 |
-54:19:27.9 |
HIP 40188 |
14.38 |
| 2026-06-12 12:00 |
08:13:42.25 |
-54:19:07.4 |
HIP 40188 |
14.49 |
| 2026-06-13 00:00 |
08:13:45.88 |
-54:18:47.1 |
HIP 40188 |
14.63 |
| 2026-06-13 12:00 |
08:13:49.53 |
-54:18:27.2 |
HIP 40188 |
14.81 |
| 2026-06-14 00:00 |
08:13:53.20 |
-54:18:07.5 |
HIP 40188 |
15.01 |
| 2026-06-14 12:00 |
08:13:56.89 |
-54:17:48.0 |
HIP 40188 |
15.25 |
| 2026-06-15 00:00 |
08:14:00.61 |
-54:17:28.9 |
HIP 40188 |
15.51 |
| 2026-06-15 12:00 |
08:14:04.35 |
-54:17:10.0 |
HIP 40188 |
15.80 |
| 2026-06-16 00:00 |
08:14:08.11 |
-54:16:51.4 |
HIP 40188 |
16.11 |
| 2026-06-16 12:00 |
08:14:11.89 |
-54:16:33.1 |
HIP 40188 |
16.44 |
| 2026-06-17 00:00 |
08:14:15.70 |
-54:16:15.1 |
HIP 40188 |
16.80 |
| 2026-06-17 12:00 |
08:14:19.52 |
-54:15:57.3 |
HIP 40188 |
17.18 |
| 2026-06-18 00:00 |
08:14:23.37 |
-54:15:39.9 |
HIP 40188 |
17.58 |
| 2026-06-18 12:00 |
08:14:27.24 |
-54:15:22.7 |
HIP 40188 |
17.99 |
| 2026-06-19 00:00 |
08:14:31.12 |
-54:15:05.8 |
HIP 40188 |
18.43 |
| 2026-06-19 12:00 |
08:14:35.03 |
-54:14:49.2 |
HIP 40188 |
18.87 |
| 2026-06-20 00:00 |
08:14:38.96 |
-54:14:32.9 |
HIP 40188 |
19.34 |
| 2026-06-20 12:00 |
08:14:42.90 |
-54:14:16.9 |
HIP 40188 |
19.81 |
| 2026-06-21 00:00 |
08:14:46.87 |
-54:14:01.2 |
HIP 40188 |
20.30 |
| 2026-06-21 12:00 |
08:14:50.85 |
-54:13:45.7 |
HIP 40188 |
20.81 |
| 2026-06-22 00:00 |
08:14:54.85 |
-54:13:30.6 |
HIP 40188 |
21.32 |