| Parameter |
Value |
| Designation |
C/2010 R1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2012-05-18T21:25:42.430080Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:45Z |
| Obs used |
1572 |
| NEO |
- |
| M1 |
6.500 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2012-06-07.0000000 |
| e |
1.00366507 |
| q (au) |
5.621418 |
| a (au) |
-1533.782641 |
| i (deg) |
156.933369 |
| Ω (om, deg) |
343.649659 |
| ω (w, deg) |
114.496039 |
| M (ma, deg) |
0.000314 |
Magnitude
Scatter + Global Linear
$$
M_a = (2.395 + 5.854\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
2.395 |
| n |
5.854 |
| gf |
0.836 |
| gb |
-0.500 |
| k |
1.000 |
| δ90 |
1.000 |
| 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 |
06:49:21.69 |
+03:20:29.4 |
HIP 32713 |
21.10 |
| 2026-06-01 12:00 |
06:49:24.65 |
+03:20:34.9 |
HIP 32713 |
20.96 |
| 2026-06-02 00:00 |
06:49:27.63 |
+03:20:40.3 |
HIP 32713 |
20.84 |
| 2026-06-02 12:00 |
06:49:30.62 |
+03:20:45.5 |
HIP 32713 |
20.75 |
| 2026-06-03 00:00 |
06:49:33.63 |
+03:20:50.5 |
HIP 32713 |
20.69 |
| 2026-06-03 12:00 |
06:49:36.66 |
+03:20:55.3 |
HIP 32713 |
20.66 |
| 2026-06-04 00:00 |
06:49:39.69 |
+03:21:00.0 |
HIP 32713 |
20.66 |
| 2026-06-04 12:00 |
06:49:42.75 |
+03:21:04.5 |
HIP 32713 |
20.70 |
| 2026-06-05 00:00 |
06:49:45.82 |
+03:21:08.8 |
HIP 32713 |
20.76 |
| 2026-06-05 12:00 |
06:49:48.90 |
+03:21:13.0 |
HIP 32713 |
20.86 |
| 2026-06-06 00:00 |
06:49:52.00 |
+03:21:16.9 |
HIP 32713 |
20.99 |
| 2026-06-06 12:00 |
06:49:55.11 |
+03:21:20.7 |
HIP 32713 |
21.15 |
| 2026-06-07 00:00 |
06:49:58.24 |
+03:21:24.4 |
HIP 32713 |
21.34 |
| 2026-06-07 12:00 |
06:50:01.38 |
+03:21:27.8 |
HIP 32713 |
21.57 |
| 2026-06-08 00:00 |
06:50:04.53 |
+03:21:31.1 |
HIP 32713 |
21.82 |
| 2026-06-08 12:00 |
06:50:07.69 |
+03:21:34.2 |
HIP 32713 |
22.10 |
| 2026-06-09 00:00 |
06:50:10.87 |
+03:21:37.2 |
HIP 32713 |
22.41 |
| 2026-06-09 12:00 |
06:50:14.06 |
+03:21:39.9 |
HIP 32713 |
22.75 |
| 2026-06-10 00:00 |
06:50:17.27 |
+03:21:42.5 |
HIP 32713 |
23.11 |
| 2026-06-10 12:00 |
06:50:20.48 |
+03:21:44.9 |
HIP 32713 |
23.50 |
| 2026-06-11 00:00 |
06:50:23.71 |
+03:21:47.1 |
HIP 32713 |
23.92 |
| 2026-06-11 12:00 |
06:50:26.95 |
+03:21:49.2 |
HIP 32713 |
24.36 |
| 2026-06-12 00:00 |
06:50:30.20 |
+03:21:51.1 |
HIP 32713 |
24.82 |
| 2026-06-12 12:00 |
06:50:33.46 |
+03:21:52.8 |
HIP 32713 |
25.30 |
| 2026-06-13 00:00 |
06:50:36.73 |
+03:21:54.3 |
HIP 32931 |
24.90 |
| 2026-06-13 12:00 |
06:50:40.01 |
+03:21:55.7 |
HIP 32931 |
24.41 |
| 2026-06-14 00:00 |
06:50:43.31 |
+03:21:56.9 |
HIP 32931 |
23.94 |
| 2026-06-14 12:00 |
06:50:46.61 |
+03:21:57.9 |
HIP 32931 |
23.48 |
| 2026-06-15 00:00 |
06:50:49.92 |
+03:21:58.7 |
HIP 32931 |
23.04 |
| 2026-06-15 12:00 |
06:50:53.25 |
+03:21:59.3 |
HIP 32931 |
22.62 |
| 2026-06-16 00:00 |
06:50:56.58 |
+03:21:59.8 |
HIP 32931 |
22.21 |
| 2026-06-16 12:00 |
06:50:59.92 |
+03:22:00.1 |
HIP 32931 |
21.83 |
| 2026-06-17 00:00 |
06:51:03.27 |
+03:22:00.2 |
HIP 32931 |
21.46 |
| 2026-06-17 12:00 |
06:51:06.62 |
+03:22:00.1 |
HIP 32931 |
21.12 |
| 2026-06-18 00:00 |
06:51:09.99 |
+03:21:59.9 |
HIP 32931 |
20.81 |
| 2026-06-18 12:00 |
06:51:13.36 |
+03:21:59.5 |
HIP 32931 |
20.52 |
| 2026-06-19 00:00 |
06:51:16.75 |
+03:21:58.9 |
HIP 32931 |
20.26 |
| 2026-06-19 12:00 |
06:51:20.13 |
+03:21:58.1 |
HIP 32931 |
20.03 |
| 2026-06-20 00:00 |
06:51:23.53 |
+03:21:57.2 |
HIP 32931 |
19.83 |
| 2026-06-20 12:00 |
06:51:26.93 |
+03:21:56.1 |
HIP 32931 |
19.66 |
| 2026-06-21 00:00 |
06:51:30.34 |
+03:21:54.8 |
HIP 32931 |
19.52 |
| 2026-06-21 12:00 |
06:51:33.75 |
+03:21:53.3 |
HIP 32931 |
19.42 |
| 2026-06-22 00:00 |
06:51:37.17 |
+03:21:51.7 |
HIP 32931 |
19.35 |