"Pseudo-MPEC" for 2021-130B
Created 2022 Feb 4 22:58:09 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry: 2021-130B CK211231:215217 092.10921 +00.03671 16.4 GV 970 2021-130B CK211231:215811 092.10439 +00.03735 16.5 GV 970 2021-130B CK211231:221001 092.09469 +00.03859 16.6 GV 970 2021-130B CK220102:193838 093.18862 +00.32463 16.8 GV 970 2021-130B CK220102:194431 093.18669 +00.32522 18.8 GV 970 2021-130B CK220102:220636 093.10405 +00.34041 17.3 GV 970 2021-130B CK220102:221120 093.10049 +00.34090 17.4 GV 970 2021-130B CK220104:221528 093.88141 +00.65043 17.9 GV 970 2021-130B CK220104:222349 093.87564 +00.65134 17.2 GV 970 2021-130B CK220105:221648 094.22961 +00.81029 17.3 GV 970 2021-130B CK220105:225106 094.20675 +00.81417 17.2 GV 970 2021-130B CK220105:225705 094.20271 +00.81484 17.4 GV 970 2021-130B CK220105:230306 094.19862 +00.81550 17.4 GV 970 2021-130B CK220107:221035 094.88666 +01.13830 17.8 GV 970 2021-130B CK220107:221632 094.88321 +01.13898 17.9 GV 970 2021-130B CK220109:215427 095.51645 +01.47446 17.6 GV 970 2021-130B CK220109:220024 095.51323 +01.47519 17.6 GV 970 2021-130B CK220112:214557 096.42498 +01.99213 18.8 GV 970 2021-130B CK220112:220433 096.41669 +01.99439 19.4 GV 970 2021-130B CK220117:224220 097.87360 +02.88540 18.2 GV 970 2021-130B CK220117:230313 097.86573 +02.88798 17.7 GV 970 2021-130B CK220119:220201 098.46294 +03.24370 19.0 GV 970 2021-130B CK220119:221026 098.45994 +03.24474 18.9 GV 970 2021-130B CK220126:215834 100.41513 +04.59469 20.4 GV 970 2021-130B CK220126:221031 100.41183 +04.59635 19.1 GV 970 2021-130B CK220131:222034 101.88489 +05.66951 17.4 GV 970 2021-130B CK220131:223228 101.88238 +05.67174 19.7 GV 970 2021-130B CK220204:221845 103.26743 +06.56367 20.6 GV 970 2021-130B CK220204:222611 103.26645 +06.56504 19.5 GV 970 Station data: (970) Chelmsford (N51.744716 E0.495400) UK. Observer N. James. Orbital elements: 2021-130B Perihelion 2021 Nov 15.412090 +/- 0.0193 TT = 9:53:24 (JD 2459533.912090) Epoch 2022 Jan 2.0 TT; AMR -0.0068997 +/- 0.016 m2/kg Earth MOID: 0.0000 M 46.18571410 +/- 0.019 (J2000 ecliptic) Find_Orb n 0.97053461 +/- 1.79e-5 Peri. 144.19175 +/- 0.034 a 1.01032716 +/- 1.25e-5 Node 268.09733 +/- 0.014 e 0.0321396 +/- 4.51e-6 Incl. 0.56283 +/- 0.00022 P 1.02/370.92d H 27.5 G 0.15 U 5.4 q 0.97785564 +/- 1.22e-5 Q 1.04279867 +/- 1.43e-5 From 29 observations 2021 Dec. 31-2022 Feb. 4; mean residual 0".45
Residuals in arcseconds: 211231 970 .22- .06- 220105 970 .31+ .05- 220117 970 .68- .26+ 211231 970 .41- .04+ 220105 970 .35+ .04- 220119 970 .93- .29+ 211231 970 .15- .07+ 220105 970 .31+ .07- 220119 970 1.1- .09+ 220102 970 .01- .16+ 220107 970 .22+ .00 220126 970 .74- .60+ 220102 970 .25+ .02- 220107 970 .34+ .08- 220126 970 .77- .41+ 220102 970 .35+ .05- 220109 970 .13+ .04- 220131 970 .89+ .98- 220102 970 .41+ .08- 220109 970 .39- .04- 220131 970 .40+ .67+ 220104 970 .13+ .22- 220112 970 .47- .28+ 220204 970 .73+ 1.0- 220104 970 .17+ .26- 220112 970 .25- .02- 220204 970 .62+ .04- 220105 970 .31+ .14- 220117 970 .94- .17+ Ephemerides for Chelmsford: Date (UTC) RA Dec delta r elong mag " sig PA ---- -- -- ------------- ----------- ------ ------ ----- --- ---- --- 2022 02 01 06 47 28.058 +05 41 01.73 .01573 0.9985 146.3 19.9 .516 57 2022 02 02 06 48 46.473 +05 54 23.75 .01606 0.9988 145.8 19.9 .357 63 2022 02 03 06 50 08.109 +06 07 49.66 .01639 0.9992 145.3 20.0 .181 81 2022 02 04 06 51 33.131 +06 21 16.41 .01673 0.9995 144.9 20.0 .115 175 2022 02 05 06 53 01.604 +06 34 41.06 .01707 0.9999 144.4 20.1 .326 35 2022 02 06 06 54 33.505 +06 48 00.93 .01741 1.0002 143.9 20.1 .594 44 2022 02 07 06 56 08.745 +07 01 13.67 .01775 1.0006 143.5 20.2 .892 48 2022 02 08 06 57 47.193 +07 14 17.27 .01810 1.0009 143.0 20.3 1.22 51 2022 02 09 06 59 28.682 +07 27 10.05 .01846 1.0013 142.6 20.3 1.57 53 2022 02 10 07 01 13.030 +07 39 50.65 .01881 1.0016 142.1 20.4 1.94 55