| Parameter |
Value |
| Designation |
C/2002 VQ94 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2006-02-06T20:04:08.872320Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:24Z |
| Obs used |
1292 |
| NEO |
- |
| M1 |
9.300 |
| K1 |
4.500 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2006-09-02.0000000 |
| e |
0.96628664 |
| q (au) |
6.796765 |
| a (au) |
201.604500 |
| i (deg) |
70.516275 |
| Ω (om, deg) |
35.015090 |
| ω (w, deg) |
100.053210 |
| M (ma, deg) |
0.071329 |
Magnitude
Scatter + Global Linear
$$
M_a = (4.352 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
4.352 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.853 |
| 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) |
| 2026-07-29 00:00 |
13:56:11.92 |
-63:06:38.4 |
HIP 68222 |
14.95 |
| 2026-07-29 12:00 |
13:56:12.50 |
-63:06:06.1 |
HIP 68222 |
14.59 |
| 2026-07-30 00:00 |
13:56:13.15 |
-63:05:33.9 |
HIP 68222 |
14.23 |
| 2026-07-30 12:00 |
13:56:13.85 |
-63:05:01.8 |
HIP 68222 |
13.89 |
| 2026-07-31 00:00 |
13:56:14.61 |
-63:04:29.9 |
HIP 68222 |
13.54 |
| 2026-07-31 12:00 |
13:56:15.43 |
-63:03:58.1 |
HIP 68222 |
13.21 |
| 2026-08-01 00:00 |
13:56:16.30 |
-63:03:26.5 |
HIP 68222 |
12.89 |
| 2026-08-01 12:00 |
13:56:17.23 |
-63:02:55.0 |
HIP 68222 |
12.58 |
| 2026-08-02 00:00 |
13:56:18.22 |
-63:02:23.6 |
HIP 68222 |
12.27 |
| 2026-08-02 12:00 |
13:56:19.26 |
-63:01:52.4 |
HIP 68222 |
11.98 |
| 2026-08-03 00:00 |
13:56:20.36 |
-63:01:21.4 |
HIP 68222 |
11.70 |
| 2026-08-03 12:00 |
13:56:21.51 |
-63:00:50.5 |
HIP 68222 |
11.43 |
| 2026-08-04 00:00 |
13:56:22.72 |
-63:00:19.7 |
HIP 68222 |
11.18 |
| 2026-08-04 12:00 |
13:56:23.99 |
-62:59:49.1 |
HIP 68222 |
10.93 |
| 2026-08-05 00:00 |
13:56:25.31 |
-62:59:18.7 |
HIP 68222 |
10.71 |
| 2026-08-05 12:00 |
13:56:26.68 |
-62:58:48.4 |
HIP 68222 |
10.50 |
| 2026-08-06 00:00 |
13:56:28.11 |
-62:58:18.3 |
HIP 68222 |
10.30 |
| 2026-08-06 12:00 |
13:56:29.60 |
-62:57:48.4 |
HIP 68222 |
10.13 |
| 2026-08-07 00:00 |
13:56:31.14 |
-62:57:18.6 |
HIP 68222 |
9.97 |
| 2026-08-07 12:00 |
13:56:32.73 |
-62:56:49.0 |
HIP 68222 |
9.83 |
| 2026-08-08 00:00 |
13:56:34.38 |
-62:56:19.6 |
HIP 68222 |
9.71 |
| 2026-08-08 12:00 |
13:56:36.09 |
-62:55:50.3 |
HIP 68222 |
9.61 |
| 2026-08-09 00:00 |
13:56:37.85 |
-62:55:21.3 |
HIP 68222 |
9.53 |
| 2026-08-09 12:00 |
13:56:39.66 |
-62:54:52.4 |
HIP 68222 |
9.47 |
| 2026-08-10 00:00 |
13:56:41.53 |
-62:54:23.7 |
HIP 68222 |
9.44 |
| 2026-08-10 12:00 |
13:56:43.45 |
-62:53:55.2 |
HIP 68222 |
9.42 |
| 2026-08-11 00:00 |
13:56:45.43 |
-62:53:26.8 |
HIP 68222 |
9.43 |
| 2026-08-11 12:00 |
13:56:47.45 |
-62:52:58.7 |
HIP 68222 |
9.46 |
| 2026-08-12 00:00 |
13:56:49.54 |
-62:52:30.8 |
HIP 68222 |
9.52 |
| 2026-08-12 12:00 |
13:56:51.67 |
-62:52:03.0 |
HIP 68222 |
9.59 |
| 2026-08-13 00:00 |
13:56:53.86 |
-62:51:35.5 |
HIP 68222 |
9.68 |
| 2026-08-13 12:00 |
13:56:56.10 |
-62:51:08.2 |
HIP 68222 |
9.80 |
| 2026-08-14 00:00 |
13:56:58.39 |
-62:50:41.0 |
HIP 68222 |
9.93 |
| 2026-08-14 12:00 |
13:57:00.74 |
-62:50:14.1 |
HIP 68222 |
10.09 |
| 2026-08-15 00:00 |
13:57:03.14 |
-62:49:47.4 |
HIP 68222 |
10.26 |
| 2026-08-15 12:00 |
13:57:05.59 |
-62:49:20.9 |
HIP 68222 |
10.44 |
| 2026-08-16 00:00 |
13:57:08.09 |
-62:48:54.6 |
HIP 68222 |
10.65 |
| 2026-08-16 12:00 |
13:57:10.64 |
-62:48:28.5 |
HIP 68222 |
10.87 |
| 2026-08-17 00:00 |
13:57:13.24 |
-62:48:02.6 |
HIP 68222 |
11.10 |
| 2026-08-17 12:00 |
13:57:15.90 |
-62:47:37.0 |
HIP 68222 |
11.35 |
| 2026-08-18 00:00 |
13:57:18.60 |
-62:47:11.5 |
HIP 68222 |
11.61 |
| 2026-08-18 12:00 |
13:57:21.36 |
-62:46:46.3 |
HIP 68222 |
11.88 |
| 2026-08-19 00:00 |
13:57:24.16 |
-62:46:21.3 |
HIP 68222 |
12.16 |