Ephemeris of C/2021 A1 (Leonard) at 0 hrs UTC (J2000) last astrometry was on 2021 Jan 9 (as at 2021 Jan 18) T 2022 Jan 3.3083 TT q 0.615001 Peri. 225.0905 z -0.000081 Node 255.8744 e 1.000050 Incl. 132.6860 Ref: MPEC 2021-A99 y m d h m s o ' " delta RSun Elong Phase Mag "/min PA 2021 Nov 1 11 51 10.4 34 53 4 1.565 1.392 61.2 38.7 10.9 0.71 106.2 2021 Nov 2 11 52 30.8 34 48 22 1.533 1.376 61.7 39.4 10.8 0.72 105.7 2021 Nov 3 11 53 53.1 34 43 40 1.500 1.361 62.3 40.2 10.7 0.74 105.3 2021 Nov 4 11 55 17.6 34 38 59 1.468 1.345 62.9 41.0 10.6 0.76 104.9 2021 Nov 5 11 56 44.5 34 34 18 1.435 1.330 63.4 41.8 10.5 0.78 104.5 2021 Nov 6 11 58 14.0 34 29 36 1.402 1.314 64.0 42.7 10.4 0.80 104.1 2021 Nov 7 11 59 46.4 34 24 53 1.368 1.299 64.5 43.5 10.3 0.83 103.8 2021 Nov 8 12 1 21.8 34 20 8 1.335 1.284 65.0 44.4 10.2 0.86 103.4 2021 Nov 9 12 3 0.5 34 15 19 1.301 1.268 65.6 45.3 10.1 0.89 103.1 2021 Nov 10 12 4 43.0 34 10 26 1.267 1.252 66.1 46.3 10.0 0.92 102.9 2021 Nov 11 12 6 29.5 34 5 27 1.233 1.237 66.6 47.3 9.9 0.96 102.6 2021 Nov 12 12 8 20.5 34 0 21 1.199 1.221 67.1 48.3 9.8 1.00 102.4 2021 Nov 13 12 10 16.5 33 55 5 1.164 1.206 67.5 49.3 9.6 1.05 102.3 2021 Nov 14 12 12 18.0 33 49 38 1.129 1.190 68.0 50.4 9.5 1.10 102.1 2021 Nov 15 12 14 25.6 33 43 58 1.095 1.175 68.4 51.5 9.4 1.16 102.0 2021 Nov 16 12 16 40.0 33 38 1 1.059 1.159 68.8 52.7 9.3 1.22 102.0 2021 Nov 17 12 19 2.0 33 31 43 1.024 1.144 69.2 53.9 9.1 1.30 102.0 2021 Nov 18 12 21 32.5 33 25 1 0.989 1.129 69.6 55.2 9.0 1.38 102.1 2021 Nov 19 12 24 12.7 33 17 50 0.953 1.113 69.9 56.5 8.9 1.47 102.2 2021 Nov 20 12 27 3.6 33 10 4 0.918 1.098 70.2 57.9 8.7 1.58 102.4 2021 Nov 21 12 30 6.8 33 1 35 0.882 1.082 70.5 59.4 8.6 1.70 102.6 2021 Nov 22 12 33 23.8 32 52 15 0.846 1.067 70.7 60.9 8.4 1.84 102.9 2021 Nov 23 12 36 56.7 32 41 54 0.810 1.052 70.8 62.5 8.3 2.00 103.2 2021 Nov 24 12 40 47.6 32 30 18 0.774 1.036 70.9 64.2 8.1 2.18 103.6 2021 Nov 25 12 44 59.4 32 17 10 0.738 1.021 70.9 66.0 7.9 2.39 104.1 2021 Nov 26 12 49 35.2 32 2 11 0.702 1.006 70.8 67.9 7.8 2.64 104.7 2021 Nov 27 12 54 38.9 31 44 54 0.666 0.991 70.7 70.0 7.6 2.93 105.3 2021 Nov 28 13 0 15.0 31 24 47 0.630 0.976 70.4 72.2 7.4 3.28 106.1 2021 Nov 29 13 6 29.1 31 1 7 0.594 0.961 69.9 74.6 7.2 3.69 106.9 2021 Nov 30 13 13 27.8 30 33 0 0.558 0.946 69.3 77.2 7.0 4.18 107.8 2021 Dec 1 13 21 19.3 29 59 12 0.523 0.931 68.5 80.1 6.8 4.78 108.9 2021 Dec 2 13 30 13.2 29 18 10 0.488 0.917 67.4 83.2 6.6 5.50 110.1 2021 Dec 3 13 40 21.4 28 27 47 0.454 0.902 66.0 86.7 6.3 6.39 111.4 2021 Dec 4 13 51 58.0 27 25 16 0.420 0.888 64.2 90.5 6.1 7.49 112.8 2021 Dec 5 14 5 19.5 26 6 55 0.387 0.874 62.0 94.9 5.9 8.84 114.4 2021 Dec 6 14 20 44.6 24 27 54 0.356 0.859 59.2 99.9 5.6 10.51 116.2 2021 Dec 7 14 38 33.7 22 22 2 0.327 0.846 55.7 105.7 5.3 12.54 118.1 2021 Dec 8 14 59 6.2 19 41 59 0.300 0.832 51.4 112.2 5.1 14.96 120.1 2021 Dec 9 15 22 36.9 16 20 1 0.276 0.818 46.2 119.8 4.8 17.72 122.0 2021 Dec 10 15 49 9.3 12 10 19 0.257 0.805 39.9 128.3 4.6 20.58 123.8 2021 Dec 11 16 18 27.7 7 12 48 0.243 0.792 32.9 137.6 4.4 23.12 125.1 2021 Dec 12 16 49 51.1 1 37 40 0.235 0.779 25.5 147.1 4.3 24.73 125.8 2021 Dec 13 17 22 13.6 - 4 13 14 0.234 0.767 18.9 155.4 4.2 24.91 125.8 2021 Dec 14 17 54 15.3 - 9 52 7 0.241 0.754 15.1 160.2 4.2 23.59 124.9 2021 Dec 15 18 24 40.8 -14 55 18 0.254 0.743 15.5 159.2 4.2 21.18 123.4 2021 Dec 16 18 52 34.1 -19 10 21 0.273 0.731 18.8 154.2 4.3 18.29 121.5 2021 Dec 17 19 17 25.7 -22 36 2 0.297 0.720 22.9 147.9 4.4 15.43 119.5 2021 Dec 18 19 39 9.3 -25 17 58 0.324 0.709 26.6 141.6 4.6 12.86 117.5 2021 Dec 19 19 57 54.4 -27 24 11 0.354 0.699 29.8 135.6 4.7 10.68 115.7 2021 Dec 20 20 13 58.3 -29 2 34 0.387 0.689 32.4 130.2 4.8 8.87 114.0 2021 Dec 21 20 27 41.4 -30 19 44 0.421 0.680 34.4 125.1 4.9 7.39 112.6 2021 Dec 22 20 39 23.6 -31 20 50 0.456 0.671 36.0 120.4 5.1 6.19 111.5 2021 Dec 23 20 49 22.9 -32 9 47 0.492 0.663 37.2 116.1 5.2 5.21 110.6 2021 Dec 24 20 57 54.8 -32 49 29 0.529 0.655 38.1 112.0 5.3 4.40 109.8 2021 Dec 25 21 5 12.5 -33 22 5 0.566 0.648 38.8 108.0 5.4 3.73 109.3 2021 Dec 26 21 11 27.1 -33 49 10 0.604 0.641 39.2 104.3 5.5 3.17 109.0 2021 Dec 27 21 16 47.7 -34 11 56 0.642 0.635 39.4 100.7 5.6 2.70 108.8 2021 Dec 28 21 21 22.0 -34 31 15 0.680 0.630 39.5 97.2 5.7 2.30 108.9 2021 Dec 29 21 25 16.3 -34 47 47 0.718 0.626 39.4 93.8 5.7 1.95 109.0 2021 Dec 30 21 28 35.9 -35 2 2 0.756 0.622 39.3 90.5 5.8 1.66 109.4 2021 Dec 31 21 31 25.4 -35 14 24 0.794 0.619 39.0 87.2 5.9 1.41 109.9 2022 Jan 1 21 33 48.6 -35 25 11 0.832 0.617 38.6 84.1 6.0 1.19 110.6