"Pseudo-MPEC" for (101955)
Created 2019 May 5 3:46:59 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry: A1955 R1999 09 21.375000 + 13595900 8560 253 JPLRS253 A1955 r1999 09 21.375000 5000 253 JPLRS253 A1955 R1999 09 21.430556 1541845400 8560 253 JPLRS253 A1955 r1999 09 21.430556 10000 253 JPLRS253 A1955 R1999 09 23.395833 1482063100 8560 253 JPLRS253 A1955 r1999 09 23.395833 5000 253 JPLRS253 A1955 R1999 09 23.400000 1480010619 2380 251 JPLRS251 A1955 r1999 09 23.400000 1000 251 JPLRS251 A1955 R1999 09 23.477778 1484613016 2380 251 JPLRS251 A1955 r1999 09 23.477778 1000 251 JPLRS251 A1955 R1999 09 24.434722 1583896163 2380 251 JPLRS251 A1955 r1999 09 24.434722 1000 251 JPLRS251 A1955 R1999 09 24.515972 1595507555 2380 251 JPLRS251 A1955 r1999 09 24.515972 1000 251 JPLRS251 A1955 R1999 09 25.464583 1763466828 2380 251 JPLRS251 A1955 r1999 09 25.464583 1000 251 JPLRS251 A1955 R1999 09 25.538194 1778596083 2380 251 JPLRS251 A1955 r1999 09 25.538194 1000 251 JPLRS251 A1955 R1999 10 01.569444 3544129700 8560 253 JPLRS253 A1955 r1999 10 01.569444 1000 253 JPLRS253 A1955 R2005 09 16.363889 + 4717074 2380 251 JPLRS251 A1955 r2005 09 16.363889 1000 251 JPLRS251 A1955 R2005 09 16.364583 3665879603 2380 251 JPLRS251 A1955 r2005 09 16.364583 500 251 JPLRS251 A1955 R2005 09 16.393750 3660969909 2380 251 JPLRS251 A1955 r2005 09 16.393750 500 251 JPLRS251 A1955 R2005 09 18.513889 3387346300 8560 253 JPLRS253 A1955 r2005 09 18.513889 1000 253 JPLRS253 A1955 R2005 09 19.534722 3321550586 8560 253 JPLRS253 A1955 r2005 09 19.534722 1000 253 JPLRS253 A1955 R2005 09 20.379167 + 263172 2380 251 JPLRS251 A1955 r2005 09 20.379167 1000 251 JPLRS251 A1955 R2005 09 20.381250 3302425130 2380 251 JPLRS251 A1955 r2005 09 20.381250 500 251 JPLRS251 A1955 R2005 09 20.475000 3302422268 2380 251 JPLRS251 A1955 r2005 09 20.475000 500 251 JPLRS251 A1955 R2005 09 28.497917 4555097640 2380 251 JPLRS251 A1955 r2005 09 28.497917 500 251 JPLRS251 A1955 R2005 09 28.500000 - 7313707 2380 251 JPLRS251 A1955 r2005 09 28.500000 1000 251 JPLRS251 A1955 R2005 09 28.565972 4573494340 2380 251 JPLRS251 A1955 r2005 09 28.565972 500 251 JPLRS251 A1955 R2005 10 02.538194 5759426820 2380 251 JPLRS251 A1955 r2005 10 02.538194 500 251 JPLRS251 A1955 R2005 10 02.590278 5776258267 2380 251 JPLRS251 A1955 r2005 10 02.590278 500 251 JPLRS251 A1955 R2011 09 27.485417 19729358879 - 6640021 2380 251 JPLRS251 A1955 r2011 09 27.485417 2000 1000 251 JPLRS251 A1955 R2011 09 28.463889 19971147727 - 6855479 2380 251 JPLRS251 A1955 r2011 09 28.463889 2000 1000 251 JPLRS251 A1955 R2011 09 29.496528 20237852004 - 7284102 2380 251 JPLRS251 A1955 r2011 09 29.496528 2000 1000 251 JPLRS251 Station data: (251) Arecibo (N18.343444 W66.753080) US/Puerto Rico. 305-m Arecibo Observatory. (253) Goldstone DSS 14, Fort Irwin (N35.425901 W116.889538) US/California. Orbital elements: (101955) Perihelion 2011 Nov 10.289037 +/- 8e-5 TT = 6:56:12 (JD 2455875.789037) A1: 2.73e-11 +/- 1.18e-10 A2: -4.55e-14 +/- 1.26e-15 AU/day^2 Epoch 2011 Sep 28.0 TT = JDT 2455832.5 Earth MOID: 0.0030 Find_Orb M 324.29969195 +/- 0.00010 (J2000 ecliptic) n 0.82469629 +/- 8.28e-7 Peri. 66.25926 +/- 0.000054 a 1.12617709 +/- 7.54e-7 Node 2.05508 +/- 0.000057 e 0.2038105 +/- 3.3e-7 Incl. 6.03565 +/- 0.000014 P 1.20/436.52d U 3.3 q 0.89665031 +/- 2.76e-7 Q 1.35570386 +/- 1.26e-6 From 26 observations 1999 Sept. 21-2011 Sept. 29; mean residual -nan
Residuals in arcseconds: 990921 253 ---- -0.4 991001 253 -0.0 ---- 050928 251 -0.0 ---- 990921 253 -0.3 ---- 050916 251 ---- -0.0 050928 251 ---- -0.0 990923 253 +0.2 ---- 050916 251 +0.1 ---- 050928 251 +0.3 ---- 990923 251 -0.1 ---- 050916 251 +0.2 ---- 051002 251 -0.1 ---- 990923 251 +0.2 ---- 050918 253 -0.4 ---- 051002 251 -0.0 ---- 990924 251 -0.1 ---- 050919 253 -0.4 ---- 110927 251 +0.1 -0.0 990924 251 +0.1 ---- 050920 251 ---- -0.0 110928 251 -0.2 -0.0 990925 251 -0.1 ---- 050920 251 -0.1 ---- 110929 251 +0.1 -0.5 990925 251 +0.1 ---- 050920 251 +0.3 ---- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong '/hr PA " sig PA ---- -- -- -- ------------- ----------- ------ ------ ----- ------ ------ ---- --- 2011 09 28 00 07 41 14.381 +28 23 49.00 .19897 .96046 72.2 4.17 84.4 1.55 136 2011 09 28 01 07 41 33.251 +28 24 13.50 .19907 .96035 72.2 4.17 84.4 1.54 137 2011 09 28 02 07 41 52.108 +28 24 37.81 .19918 .96024 72.2 4.17 84.4 1.53 138 2011 09 28 03 07 42 10.953 +28 25 01.91 .19928 .96012 72.2 4.16 84.5 1.53 138 2011 09 28 04 07 42 29.786 +28 25 25.81 .19939 .96001 72.1 4.16 84.5 1.52 139 2011 09 28 05 07 42 48.606 +28 25 49.51 .19949 .95990 72.1 4.16 84.6 1.51 140 2011 09 28 06 07 43 07.414 +28 26 13.01 .19959 .95979 72.1 4.15 84.6 1.51 141 2011 09 28 07 07 43 26.209 +28 26 36.31 .19970 .95968 72.1 4.15 84.7 1.50 142 2011 09 28 08 07 43 44.992 +28 26 59.42 .19980 .95957 72.0 4.15 84.7 1.50 143 2011 09 28 09 07 44 03.763 +28 27 22.32 .19991 .95946 72.0 4.14 84.7 1.49 143 2011 09 28 10 07 44 22.521 +28 27 45.02 .20001 .95935 72.0 4.14 84.8 1.49 144 2011 09 28 11 07 44 41.266 +28 28 07.53 .20012 .95923 72.0 4.14 84.8 1.49 145 2011 09 28 12 07 44 59.999 +28 28 29.83 .20022 .95912 71.9 4.13 84.9 1.48 146 2011 09 28 13 07 45 18.719 +28 28 51.94 .20033 .95901 71.9 4.13 84.9 1.48 147 2011 09 28 14 07 45 37.426 +28 29 13.85 .20044 .95890 71.9 4.13 84.9 1.48 148 2011 09 28 15 07 45 56.121 +28 29 35.56 .20054 .95879 71.9 4.12 85.0 1.47 149 2011 09 28 16 07 46 14.803 +28 29 57.08 .20065 .95868 71.8 4.12 85.0 1.47 149 2011 09 28 17 07 46 33.473 +28 30 18.40 .20075 .95857 71.8 4.12 85.1 1.47 150 2011 09 28 18 07 46 52.130 +28 30 39.52 .20086 .95846 71.8 4.11 85.1 1.47 151 2011 09 28 19 07 47 10.774 +28 31 00.45 .20097 .95835 71.8 4.11 85.2 1.47 152 2011 09 28 20 07 47 29.405 +28 31 21.17 .20108 .95824 71.7 4.11 85.2 1.47 153 2011 09 28 21 07 47 48.023 +28 31 41.71 .20118 .95813 71.7 4.10 85.2 1.47 154 2011 09 28 22 07 48 06.629 +28 32 02.05 .20129 .95802 71.7 4.10 85.3 1.47 155 2011 09 28 23 07 48 25.222 +28 32 22.19 .20140 .95791 71.7 4.10 85.3 1.47 155 2011 09 29 00 07 48 43.802 +28 32 42.14 .20151 .95780 71.6 4.09 85.4 1.47 156 2011 09 29 01 07 49 02.369 +28 33 01.89 .20161 .95769 71.6 4.09 85.4 1.47 157 2011 09 29 02 07 49 20.923 +28 33 21.45 .20172 .95758 71.6 4.09 85.4 1.47 158 2011 09 29 03 07 49 39.464 +28 33 40.81 .20183 .95747 71.6 4.08 85.5 1.47 159 2011 09 29 04 07 49 57.993 +28 33 59.98 .20194 .95736 71.5 4.08 85.5 1.47 160 2011 09 29 05 07 50 16.508 +28 34 18.96 .20205 .95725 71.5 4.08 85.6 1.47 161 2011 09 29 06 07 50 35.010 +28 34 37.75 .20216 .95714 71.5 4.07 85.6 1.47 161 2011 09 29 07 07 50 53.500 +28 34 56.34 .20227 .95703 71.5 4.07 85.7 1.48 162 2011 09 29 08 07 51 11.976 +28 35 14.74 .20237 .95692 71.4 4.07 85.7 1.48 163 2011 09 29 09 07 51 30.439 +28 35 32.94 .20248 .95681 71.4 4.06 85.7 1.48 164 2011 09 29 10 07 51 48.889 +28 35 50.96 .20259 .95670 71.4 4.06 85.8 1.48 165 2011 09 29 11 07 52 07.327 +28 36 08.78 .20270 .95659 71.4 4.06 85.8 1.49 165 2011 09 29 12 07 52 25.751 +28 36 26.41 .20281 .95648 71.3 4.05 85.9 1.49 166 2011 09 29 13 07 52 44.162 +28 36 43.86 .20292 .95637 71.3 4.05 85.9 1.49 167 2011 09 29 14 07 53 02.559 +28 37 01.11 .20304 .95627 71.3 4.05 85.9 1.50 168 2011 09 29 15 07 53 20.944 +28 37 18.17 .20315 .95616 71.3 4.04 86.0 1.50 169 2011 09 29 16 07 53 39.315 +28 37 35.04 .20326 .95605 71.3 4.04 86.0 1.51 169 2011 09 29 17 07 53 57.674 +28 37 51.72 .20337 .95594 71.2 4.04 86.1 1.51 170 2011 09 29 18 07 54 16.019 +28 38 08.21 .20348 .95583 71.2 4.03 86.1 1.52 171 2011 09 29 19 07 54 34.350 +28 38 24.51 .20359 .95572 71.2 4.03 86.2 1.52 172 2011 09 29 20 07 54 52.669 +28 38 40.62 .20370 .95561 71.2 4.03 86.2 1.53 172 2011 09 29 21 07 55 10.974 +28 38 56.55 .20381 .95550 71.1 4.02 86.2 1.54 173 2011 09 29 22 07 55 29.266 +28 39 12.28 .20393 .95540 71.1 4.02 86.3 1.54 174 2011 09 29 23 07 55 47.545 +28 39 27.83 .20404 .95529 71.1 4.02 86.3 1.55 175 2011 09 30 00 07 56 05.810 +28 39 43.19 .20415 .95518 71.1 4.01 86.4 1.55 175 2011 09 30 01 07 56 24.062 +28 39 58.37 .20426 .95507 71.0 4.01 86.4 1.56 176 2011 09 30 02 07 56 42.301 +28 40 13.35 .20438 .95496 71.0 4.01 86.4 1.57 177 2011 09 30 03 07 57 00.526 +28 40 28.15 .20449 .95486 71.0 4.00 86.5 1.57 177 2011 09 30 04 07 57 18.738 +28 40 42.77 .20460 .95475 71.0 4.00 86.5 1.58 178 2011 09 30 05 07 57 36.937 +28 40 57.20 .20471 .95464 71.0 4.00 86.6 1.59 179 2011 09 30 06 07 57 55.122 +28 41 11.44 .20483 .95453 70.9 3.99 86.6 1.60 179 2011 09 30 07 07 58 13.293 +28 41 25.50 .20494 .95442 70.9 3.99 86.7 1.60 0 2011 09 30 08 07 58 31.452 +28 41 39.37 .20506 .95432 70.9 3.99 86.7 1.61 1 2011 09 30 09 07 58 49.596 +28 41 53.05 .20517 .95421 70.9 3.98 86.7 1.62 1 2011 09 30 10 07 59 07.728 +28 42 06.56 .20528 .95410 70.8 3.98 86.8 1.63 2 2011 09 30 11 07 59 25.845 +28 42 19.88 .20540 .95399 70.8 3.98 86.8 1.64 3 2011 09 30 12 07 59 43.950 +28 42 33.01 .20551 .95389 70.8 3.97 86.9 1.65 3 2011 09 30 13 08 00 02.040 +28 42 45.96 .20563 .95378 70.8 3.97 86.9 1.65 4 2011 09 30 14 08 00 20.117 +28 42 58.73 .20574 .95367 70.7 3.97 86.9 1.66 4 2011 09 30 15 08 00 38.181 +28 43 11.31 .20586 .95356 70.7 3.96 87.0 1.67 5 2011 09 30 16 08 00 56.231 +28 43 23.72 .20597 .95346 70.7 3.96 87.0 1.68 6 2011 09 30 17 08 01 14.267 +28 43 35.94 .20609 .95335 70.7 3.96 87.1 1.69 6 2011 09 30 18 08 01 32.290 +28 43 47.98 .20620 .95324 70.7 3.95 87.1 1.70 7 2011 09 30 19 08 01 50.300 +28 43 59.83 .20632 .95314 70.6 3.95 87.2 1.71 7 2011 09 30 20 08 02 08.295 +28 44 11.51 .20644 .95303 70.6 3.95 87.2 1.72 8 2011 09 30 21 08 02 26.277 +28 44 23.00 .20655 .95292 70.6 3.95 87.2 1.73 8 2011 09 30 22 08 02 44.245 +28 44 34.32 .20667 .95282 70.6 3.94 87.3 1.74 9 2011 09 30 23 08 03 02.200 +28 44 45.45 .20678 .95271 70.5 3.94 87.3 1.75 9 2011 10 01 00 08 03 20.141 +28 44 56.41 .20690 .95260 70.5 3.94 87.4 1.76 10 2011 10 01 01 08 03 38.068 +28 45 07.18 .20702 .95250 70.5 3.93 87.4 1.77 10 2011 10 01 02 08 03 55.982 +28 45 17.78 .20714 .95239 70.5 3.93 87.4 1.78 11 2011 10 01 03 08 04 13.882 +28 45 28.19 .20725 .95228 70.5 3.93 87.5 1.79 11 2011 10 01 04 08 04 31.768 +28 45 38.43 .20737 .95218 70.4 3.92 87.5 1.80 12 2011 10 01 05 08 04 49.640 +28 45 48.49 .20749 .95207 70.4 3.92 87.6 1.81 12 2011 10 01 06 08 05 07.499 +28 45 58.37 .20761 .95197 70.4 3.92 87.6 1.82 13 2011 10 01 07 08 05 25.344 +28 46 08.07 .20772 .95186 70.4 3.91 87.7 1.83 13 2011 10 01 08 08 05 43.175 +28 46 17.60 .20784 .95175 70.3 3.91 87.7 1.84 14 2011 10 01 09 08 06 00.992 +28 46 26.95 .20796 .95165 70.3 3.91 87.7 1.86 14 2011 10 01 10 08 06 18.795 +28 46 36.12 .20808 .95154 70.3 3.90 87.8 1.87 15 2011 10 01 11 08 06 36.585 +28 46 45.12 .20820 .95144 70.3 3.90 87.8 1.88 15 2011 10 01 12 08 06 54.361 +28 46 53.93 .20832 .95133 70.3 3.90 87.9 1.89 16 2011 10 01 13 08 07 12.123 +28 47 02.58 .20843 .95122 70.2 3.89 87.9 1.90 16 2011 10 01 14 08 07 29.871 +28 47 11.05 .20855 .95112 70.2 3.89 87.9 1.91 17 2011 10 01 15 08 07 47.605 +28 47 19.34 .20867 .95101 70.2 3.89 88.0 1.92 17 2011 10 01 16 08 08 05.326 +28 47 27.46 .20879 .95091 70.2 3.88 88.0 1.93 17 2011 10 01 17 08 08 23.032 +28 47 35.40 .20891 .95080 70.2 3.88 88.1 1.95 18 2011 10 01 18 08 08 40.725 +28 47 43.17 .20903 .95070 70.1 3.88 88.1 1.96 18 2011 10 01 19 08 08 58.404 +28 47 50.77 .20915 .95059 70.1 3.87 88.1 1.97 19 2011 10 01 20 08 09 16.069 +28 47 58.19 .20927 .95049 70.1 3.87 88.2 1.98 19 2011 10 01 21 08 09 33.720 +28 48 05.44 .20939 .95038 70.1 3.87 88.2 1.99 19 2011 10 01 22 08 09 51.357 +28 48 12.52 .20951 .95028 70.0 3.86 88.3 2.00 20 2011 10 01 23 08 10 08.980 +28 48 19.42 .20963 .95017 70.0 3.86 88.3 2.02 20 2011 10 02 00 08 10 26.589 +28 48 26.15 .20975 .95007 70.0 3.86 88.4 2.03 21 2011 10 02 01 08 10 44.184 +28 48 32.71 .20988 .94996 70.0 3.85 88.4 2.04 21 2011 10 02 02 08 11 01.766 +28 48 39.10 .21000 .94986 70.0 3.85 88.4 2.05 21 2011 10 02 03 08 11 19.333 +28 48 45.32 .21012 .94976 69.9 3.85 88.5 2.06 22