2009 XH9
Group Floras Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC M 30.08587 (2000.0) P Q n 0.29746123 Peri. 55.32236 +0.71326747 -0.70071108 T = 2455099.35786 JDT a 2.2225377 Node 349.13096 +0.61227175 +0.63397808 q = 1.9355691 e 0.1291175 Incl. 4.84358 +0.34113460 +0.32722436 Earth MOID = 0.94890 AU P 3.31 H 18.0 G 0.15 U 2 From 39 observations at 4 oppositions, 2002-2010, mean residual 0".50. Residuals 20020912 644 0.1+ 0.8+ 20070320 G96 0.1+ 0.0 20091217 H10 0.2- 0.2+ 20020912 644 0.2+ 0.8+ 20070320 G96 0.1- 0.1- 20091217 H10 0.7- 0.1+ 20020912 644 0.0 0.7+ 20091212 H10 0.1- 0.6+ 20091217 H10 0.8- 0.6- 20020914 644 0.4+ 0.4- 20091212 H10 0.1- 0.1+ 20091217 H10 0.4- 0.7- 20020914 644 0.1- 0.1- 20091212 H10 0.0 0.4- 20091217 H10 0.4- 0.8- 20020914 644 0.1+ 0.7- 20091212 H10 0.6+ 0.9+ 20100105 H10 0.3+ 0.1+ 20020914 608 0.6- 0.2+ 20091212 H10 0.5- 0.1- 20100105 H10 0.8+ 0.5+ 20020914 608 0.8- 0.2- 20091212 H10 0.4+ 0.2+ 20100105 H10 0.1+ 0.2- 20040315 691 0.3- 0.1+ 20091212 H10 0.3- 0.0 20100105 H10 0.9+ 0.9+ 20040315 691 0.3+ 0.2+ 20091212 H10 0.1+ 0.2+ 20100108 G96 0.8+ 0.1- 20040315 691 0.2+ 0.1+ 20091213 H10 0.7- 0.3+ 20100108 G96 0.9+ 0.3+ 20070320 G96 1.1- 0.3- 20091213 H10 1.5- 0.6- 20100108 G96 0.7+ 0.1- 20070320 G96 0.3+ 0.3- 20091217 H10 0.2- 0.5- 20100108 G96 0.9+ 0.1+ Last observed on 2010 Jan. 8. Perturbed ephemeris below based on elements from MPEC 2010-A39. Further observations? None needed at this opposition. Next opposition: 29 Apr. 2011. K09X09H Date UT R.A. (J2000) Decl. Delta r El. Ph. V Sky Motion Uncertainty info h m s "/min P.A. 3-sig/" P.A. 2010 01 09 000000 04 05 40.5 +29 16 11 1.162 1.990 136.0 20.1 20.8 0.16 185.9 0 272.0 2010 01 10 000000 04 05 39.9 +29 12 21 1.171 1.991 135.0 20.5 20.9 0.16 177.6 0 270.8 2010 01 11 000000 04 05 41.9 +29 08 36 1.179 1.992 134.0 20.8 20.9 0.16 169.1 0 090.0 2010 01 12 000000 04 05 46.4 +29 04 56 1.188 1.993 133.0 21.2 20.9 0.16 160.8 0 090.0 2010 01 13 000000 04 05 53.5 +29 01 21 1.197 1.994 132.0 21.5 20.9 0.17 152.8 0 089.1 2010 01 14 000000 04 06 03.0 +28 57 52 1.206 1.995 131.0 21.8 21.0 0.17 145.6 0 088.5 2010 01 15 000000 04 06 15.0 +28 54 28 1.216 1.996 130.1 22.2 21.0 0.18 139.1 0 088.0 2010 01 16 000000 04 06 29.5 +28 51 10 1.225 1.997 129.1 22.5 21.0 0.20 133.5 0 087.6 2010 01 17 000000 04 06 46.3 +28 47 58 1.234 1.998 128.2 22.8 21.0 0.21 128.5 0 087.2 2010 01 18 000000 04 07 05.6 +28 44 51 1.244 1.999 127.2 23.1 21.1 0.23 124.3 0 086.8 2010 01 19 000000 04 07 27.3 +28 41 51 1.254 2.000 126.3 23.4 21.1 0.24 120.6 0 086.5 2010 01 20 000000 04 07 51.3 +28 38 56 1.264 2.001 125.4 23.6 21.1 0.26 117.4 0 086.1 2010 01 21 000000 04 08 17.6 +28 36 07 1.274 2.002 124.5 23.9 21.2 0.28 114.7 0 085.9 2010 01 22 000000 04 08 46.2 +28 33 24 1.284 2.003 123.6 24.2 21.2 0.29 112.3 0 085.6 2010 01 23 000000 04 09 17.0 +28 30 46 1.294 2.004 122.7 24.4 21.2 0.31 110.2 0 085.3 2010 01 24 000000 04 09 50.0 +28 28 15 1.304 2.006 121.8 24.7 21.2 0.33 108.3 0 085.1 2010 01 25 000000 04 10 25.2 +28 25 49 1.315 2.007 120.9 24.9 21.3 0.35 106.6 0 084.8 2010 01 26 000000 04 11 02.6 +28 23 29 1.325 2.008 120.0 25.1 21.3 0.36 105.2 0 084.6 2010 01 27 000000 04 11 42.0 +28 21 14 1.336 2.009 119.2 25.3 21.3 0.38 103.9 0 084.4 2010 01 28 000000 04 12 23.5 +28 19 05 1.346 2.010 118.3 25.6 21.3 0.40 102.7 0 084.2 2010 01 29 000000 04 13 07.0 +28 17 01 1.357 2.011 117.4 25.8 21.4 0.42 101.6 0 084.1
