| Parameter |
Value |
| Designation |
C/2013 V1 (Boattini) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2014-04-21T05:35:23.812800Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:32:42Z |
| Obs used |
2087 |
| NEO |
- |
| M1 |
10.900 |
| K1 |
8.750 |
| PC |
0.030 |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2014-02-11.0000000 |
| e |
1.00142704 |
| q (au) |
1.660846 |
| a (au) |
-1163.839039 |
| i (deg) |
65.310081 |
| Ω (om, deg) |
72.810325 |
| ω (w, deg) |
48.034651 |
| M (ma, deg) |
-0.001719 |
Magnitude
Scatter + Global Linear
$$
M_a = (11.904 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
11.904 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-1.000 |
| k |
0.999 |
| 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
Residuals (Piecewise)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| Start (UTC) |
End (UTC) |
a |
b |
| 2013-11-04 |
2014-01-17 |
+3.0384 |
-1.115 |
| 2014-01-17 |
2014-04-18 |
-6.1527 |
+1.577 |
| 2014-04-23 |
2014-07-24 |
+15.9349 |
-3.849 |
| 2014-07-24 |
2015-01-19 |
-2.8363 |
+2.424 |
log10 r = log10(heliocentric distance / AU), Δ = geocentric distance (AU)
Ephemeris
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-07-29 00:00 |
17:08:59.89 |
-41:29:27.1 |
HIP 83845 |
12.58 |
| 2026-07-29 12:00 |
17:08:56.31 |
-41:29:12.4 |
HIP 83845 |
12.20 |
| 2026-07-30 00:00 |
17:08:52.77 |
-41:28:57.7 |
HIP 83845 |
11.85 |
| 2026-07-30 12:00 |
17:08:49.26 |
-41:28:42.9 |
HIP 83845 |
11.54 |
| 2026-07-31 00:00 |
17:08:45.79 |
-41:28:28.0 |
HIP 83845 |
11.28 |
| 2026-07-31 12:00 |
17:08:42.36 |
-41:28:13.0 |
HIP 83845 |
11.06 |
| 2026-08-01 00:00 |
17:08:38.97 |
-41:27:58.0 |
HIP 83845 |
10.88 |
| 2026-08-01 12:00 |
17:08:35.61 |
-41:27:42.8 |
HIP 83845 |
10.75 |
| 2026-08-02 00:00 |
17:08:32.30 |
-41:27:27.7 |
HIP 83845 |
10.66 |
| 2026-08-02 12:00 |
17:08:29.02 |
-41:27:12.4 |
HIP 83845 |
10.62 |
| 2026-08-03 00:00 |
17:08:25.79 |
-41:26:57.1 |
HIP 83845 |
10.62 |
| 2026-08-03 12:00 |
17:08:22.59 |
-41:26:41.7 |
HIP 83845 |
10.67 |
| 2026-08-04 00:00 |
17:08:19.43 |
-41:26:26.3 |
HIP 83845 |
10.76 |
| 2026-08-04 12:00 |
17:08:16.31 |
-41:26:10.8 |
HIP 83845 |
10.88 |
| 2026-08-05 00:00 |
17:08:13.24 |
-41:25:55.2 |
HIP 83843 |
10.69 |
| 2026-08-05 12:00 |
17:08:10.20 |
-41:25:39.6 |
HIP 83843 |
10.36 |
| 2026-08-06 00:00 |
17:08:07.20 |
-41:25:23.9 |
HIP 83843 |
10.06 |
| 2026-08-06 12:00 |
17:08:04.25 |
-41:25:08.1 |
HIP 83843 |
9.80 |
| 2026-08-07 00:00 |
17:08:01.33 |
-41:24:52.4 |
HIP 83843 |
9.56 |
| 2026-08-07 12:00 |
17:07:58.46 |
-41:24:36.5 |
HIP 83843 |
9.35 |
| 2026-08-08 00:00 |
17:07:55.63 |
-41:24:20.6 |
HIP 83843 |
9.18 |
| 2026-08-08 12:00 |
17:07:52.84 |
-41:24:04.7 |
HIP 83843 |
9.04 |
| 2026-08-09 00:00 |
17:07:50.09 |
-41:23:48.7 |
HIP 83843 |
8.93 |
| 2026-08-09 12:00 |
17:07:47.38 |
-41:23:32.6 |
HIP 83843 |
8.86 |
| 2026-08-10 00:00 |
17:07:44.72 |
-41:23:16.6 |
HIP 83843 |
8.82 |
| 2026-08-10 12:00 |
17:07:42.10 |
-41:23:00.4 |
HIP 83843 |
8.81 |
| 2026-08-11 00:00 |
17:07:39.52 |
-41:22:44.3 |
HIP 83843 |
8.83 |
| 2026-08-11 12:00 |
17:07:36.98 |
-41:22:28.1 |
HIP 83843 |
8.88 |
| 2026-08-12 00:00 |
17:07:34.49 |
-41:22:11.8 |
HIP 83843 |
8.96 |
| 2026-08-12 12:00 |
17:07:32.04 |
-41:21:55.6 |
HIP 83843 |
9.06 |
| 2026-08-13 00:00 |
17:07:29.63 |
-41:21:39.3 |
HIP 83843 |
9.19 |
| 2026-08-13 12:00 |
17:07:27.27 |
-41:21:22.9 |
HIP 83843 |
9.34 |
| 2026-08-14 00:00 |
17:07:24.95 |
-41:21:06.6 |
HIP 83843 |
9.50 |
| 2026-08-14 12:00 |
17:07:22.68 |
-41:20:50.2 |
HIP 83843 |
9.69 |
| 2026-08-15 00:00 |
17:07:20.45 |
-41:20:33.8 |
HIP 83843 |
9.89 |
| 2026-08-15 12:00 |
17:07:18.27 |
-41:20:17.3 |
HIP 83843 |
10.10 |
| 2026-08-16 00:00 |
17:07:16.12 |
-41:20:00.8 |
HIP 83843 |
10.33 |
| 2026-08-16 12:00 |
17:07:14.03 |
-41:19:44.4 |
HIP 83843 |
10.57 |
| 2026-08-17 00:00 |
17:07:11.98 |
-41:19:27.9 |
HIP 83843 |
10.81 |
| 2026-08-17 12:00 |
17:07:09.97 |
-41:19:11.3 |
HIP 83843 |
11.06 |
| 2026-08-18 00:00 |
17:07:08.01 |
-41:18:54.8 |
HIP 83843 |
11.32 |
| 2026-08-18 12:00 |
17:07:06.09 |
-41:18:38.2 |
HIP 83843 |
11.58 |
| 2026-08-19 00:00 |
17:07:04.22 |
-41:18:21.7 |
HIP 83843 |
11.84 |