Comet 249P/LINEAR makes its closest approach to the Earth (2.306 AU) in the constellation Hydra on the 15th March 2015.
Ephemeris
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2015 03 14 09 35 30.3 +01 59 48 2.3063 3.2086 150.4 8.8 22.4 2015 03 15 09 34 28.2 +02 06 55 2.3062 3.2014 149.3 9.1 22.4 2015 03 16 09 33 27.0 +02 14 02 2.3064 3.1942 148.1 9.5 22.4 2015 03 17 09 32 26.8 +02 21 09 2.3068 3.1870 146.9 9.8 22.3 2015 03 18 09 31 27.5 +02 28 15 2.3076 3.1798 145.7 10.1 22.3 2015 03 19 09 30 29.1 +02 35 20 2.3086 3.1725 144.6 10.5 22.3 2015 03 20 09 29 31.9 +02 42 25 2.3098 3.1652 143.4 10.8 22.3 2015 03 21 09 28 35.7 +02 49 28 2.3114 3.1579 142.2 11.1 22.3 2015 03 22 09 27 40.7 +02 56 29 2.3131 3.1506 141.0 11.5 22.3 2015 03 23 09 26 46.8 +03 03 28 2.3152 3.1433 139.9 11.8 22.3 2015 03 24 09 25 54.1 +03 10 25 2.3175 3.1359 138.7 12.1 22.3 2015 03 25 09 25 02.7 +03 17 19 2.3200 3.1285 137.5 12.4 22.3 2015 03 26 09 24 12.5 +03 24 10 2.3227 3.1211 136.3 12.7 22.3 2015 03 27 09 23 23.6 +03 30 58 2.3257 3.1137 135.2 13.1 22.3 2015 03 28 09 22 36.0 +03 37 43 2.3289 3.1062 134.0 13.4 22.3 2015 03 29 09 21 49.8 +03 44 24 2.3323 3.0988 132.8 13.7 22.3 2015 03 30 09 21 04.9 +03 51 01 2.3359 3.0913 131.7 14.0 22.2 2015 03 31 09 20 21.4 +03 57 34 2.3397 3.0838 130.5 14.2 22.2
Comet 249P/LINEAR is at Opposition (2.381 AU) in the constellation Sextans on the 21st February 2015.
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2015 02 20 10 00 14.7 -00 25 04 2.3879 3.3614 168.1 3.5 22.7 2015 02 21 09 59 06.3 -00 19 22 2.3807 3.3547 168.1 3.5 22.6 2015 02 22 09 57 57.7 -00 13 33 2.3739 3.3479 168.1 3.5 22.6 2015 02 23 09 56 48.8 -00 07 37 2.3674 3.3411 167.9 3.6 22.6 2015 02 24 09 55 39.8 -00 01 35 2.3613 3.3343 167.5 3.7 22.6 2015 02 25 09 54 30.7 +00 04 33 2.3554 3.3275 167.1 3.8 22.6 2015 02 26 09 53 21.5 +00 10 48 2.3500 3.3207 166.5 4.0 22.6 2015 02 27 09 52 12.3 +00 17 08 2.3448 3.3138 165.9 4.2 22.6 2015 02 28 09 51 03.1 +00 23 33 2.3400 3.3069 165.1 4.4 22.5
Comet 249P/LINEAR is at Opposition (3.914 AU) on the 31st January 2014
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2014 01 30 08 44 42.5 +07 45 30 3.9159 4.8888 169.9 2.0 25.4 2014 01 31 08 43 54.1 +07 48 32 3.9138 4.8871 170.0 2.0 25.4 2014 02 01 08 43 05.7 +07 51 36 3.9120 4.8854 170.0 2.0 25.4 2014 02 02 08 42 17.2 +07 54 43 3.9105 4.8836 169.8 2.0 25.3 2014 02 03 08 41 28.9 +07 57 52 3.9094 4.8819 169.5 2.1 25.3 2014 02 04 08 40 40.5 +08 01 03 3.9086 4.8801 169.1 2.2 25.3 2014 02 05 08 39 52.3 +08 04 16 3.9081 4.8784 168.5 2.3 25.3 2014 02 06 08 39 04.3 +08 07 31 3.9080 4.8766 167.9 2.4 25.3 2014 02 07 08 38 16.4 +08 10 48 3.9083 4.8748 167.2 2.6 25.3 2014 02 08 08 37 28.7 +08 14 07 3.9088 4.8730 166.4 2.7 25.3 2014 02 09 08 36 41.2 +08 17 27 3.9097 4.8712 165.5 2.9 25.3 2014 02 10 08 35 53.9 +08 20 48 3.9109 4.8694 164.6 3.1 25.3 2014 02 11 08 35 07.0 +08 24 11 3.9125 4.8675 163.7 3.3 25.3 2014 02 12 08 34 20.4 +08 27 35 3.9143 4.8657 162.7 3.5 25.3 2014 02 13 08 33 34.1 +08 30 59 3.9165 4.8638 161.7 3.7 25.3 2014 02 14 08 32 48.1 +08 34 25 3.9191 4.8620 160.7 3.8 25.3 2014 02 15 08 32 02.5 +08 37 52 3.9219 4.8601 159.7 4.0 25.3 2014 02 16 08 31 17.4 +08 41 19 3.9250 4.8582 158.6 4.3 25.3 2014 02 17 08 30 32.7 +08 44 47 3.9285 4.8563 157.5 4.5 25.3 2014 02 18 08 29 48.5 +08 48 15 3.9323 4.8544 156.5 4.7 25.3 2014 02 19 08 29 04.7 +08 51 43 3.9364 4.8525 155.4 4.9 25.3 2014 02 20 08 28 21.5 +08 55 12 3.9408 4.8506 154.3 5.1 25.3 2014 02 21 08 27 38.8 +08 58 41 3.9455 4.8487 153.2 5.3 25.3 2014 02 22 08 26 56.6 +09 02 09 3.9504 4.8467 152.1 5.5 25.3 2014 02 23 08 26 15.1 +09 05 38 3.9557 4.8448 151.0 5.7 25.3 2014 02 24 08 25 34.1 +09 09 06 3.9613 4.8428 149.9 5.9 25.3 2014 02 25 08 24 53.8 +09 12 34 3.9672 4.8408 148.8 6.1 25.3 2014 02 26 08 24 14.1 +09 16 01 3.9733 4.8389 147.7 6.3 25.3 2014 02 27 08 23 35.1 +09 19 28 3.9797 4.8369 146.5 6.5 25.3 2014 02 28 08 22 56.8 +09 22 54 3.9864 4.8349 145.4 6.7 25.3
Comet 249P/LINEAR is at Perihelion (0.511 AU) on the 16th April, 2011.
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag2011 04 14 23 45 15.6 +01 48 24 1.1520 0.5129 26.4 60.3 12.92011 04 15 23 51 13.2 +02 31 03 1.1718 0.5114 25.7 58.4 12.92011 04 16 23 57 08.5 +03 12 53 1.1916 0.5109 25.1 56.4 13.02011 04 17 00 03 01.6 +03 53 52 1.2116 0.5113 24.5 54.3 13.02011 04 18 00 08 52.3 +04 34 00 1.2315 0.5126 23.8 52.3 13.02011 04 19 00 14 40.7 +05 13 15 1.2515 0.5148 23.2 50.3 13.12011 04 20 00 20 26.6 +05 51 38 1.2714 0.5179 22.6 48.3 13.22011 04 21 00 26 09.9 +06 29 06 1.2913 0.5219 22.1 46.3 13.22011 04 22 00 31 50.6 +07 05 41 1.3111 0.5267 21.5 44.4 13.32011 04 23 00 37 28.5 +07 41 19 1.3308 0.5323 21.0 42.5 13.42011 04 24 00 43 03.5 +08 16 03 1.3504 0.5388 20.5 40.7 13.52011 04 25 00 48 35.4 +08 49 51 1.3698 0.5459 20.0 39.0 13.62011 04 26 00 54 04.2 +09 22 42 1.3891 0.5537 19.5 37.3 13.62011 04 27 00 59 29.8 +09 54 38 1.4083 0.5622 19.0 35.7 13.72011 04 28 01 04 51.9 +10 25 39 1.4273 0.5713 18.6 34.1 13.82011 04 29 01 10 10.6 +10 55 44 1.4461 0.5810 18.1 32.6 13.92011 04 30 01 15 25.8 +11 24 55 1.4647 0.5912 17.7 31.3 14.0
Orbital elements: P/2006 U1 (LINEAR)Epoch 2011 Apr. 29.0 TT = JDT 2455680.5T 2011 Apr. 16.08065 TT MPCq 0.5108789 (2000.0) P Qn 0.21296094 Peri. 64.22882 +0.56082719 +0.81805882a 2.7771718 Node 240.47144 -0.80238974 +0.49908958e 0.8160435 Incl. 8.42513 -0.20406758 +0.28581352P 4.63From 363 observations 2006 Oct. 19-2011 Jan. 15