"Pseudo-MPEC" for 2018 AH

Created 2018 Jan 28 16:55:22 UT using Find_Orb

Astrometry:
     K18A00H  C2018 01 03.59159 11 06 14.255+50 59 44.91         14.6 iU~2V0CF51
     K18A00H  C2018 01 03.60449 11 05 33.405+51 00 05.86         14.6 iU~2V0CF51
     K18A00H  C2018 01 04.55711 10 40 09.65 +51 02 10.4          15.6 oU~2V0CT08
     K18A00H  C2018 01 04.57140 10 39 51.53 +51 02 10.2          15.5 oU~2V0CT08
     K18A00H  C2018 01 04.57860 10 39 42.50 +51 02 09.3          15.6 oU~2V0CT08
     K18A00H  C2018 01 04.58185 10 39 38.43 +51 02 08.6          15.6 oU~2V0CT08
     K18A00H  C2018 01 04.59247 10 39 25.20 +51 02 05.1          15.6 oU~2V0CT08
     K18A00H 4C2018 01 05.13547 10 32 29.19 +50 56 53.2          16.4 Vq~2V0CI89
     K18A00H 4C2018 01 05.13734 10 32 27.68 +50 56 52.7          16.3 Vq~2V0CI89
     K18A00H 4C2018 01 05.13935 10 32 25.96 +50 56 52.4          16.4 Vq~2V0CI89
     K18A00H  C2018 01 05.23391 10 31 57.06 +50 53 44.0          15.9 Ro~2V0C926
     K18A00H  C2018 01 05.23799 10 31 54.40 +50 53 49.0          15.9 Ro~2V0C926
     K18A00H  C2018 01 05.24203 10 31 51.77 +50 53 53.9          15.8 Ro~2V0C926
     K18A00H  C2018 01 05.26554 10 31 33.15 +50 53 37.0          16.4  r~2V0C718
     K18A00H  C2018 01 05.26715 10 31 32.07 +50 53 38.7          16.0  r~2V0C718
     K18A00H  C2018 01 05.26875 10 31 31.04 +50 53 40.3          16.2  r~2V0C718
     K18A00H  C2018 01 05.27037 10 31 29.98 +50 53 42.3          16.0  r~2V0C718
     K18A00H  C2018 01 05.27197 10 31 29.01 +50 53 44.0          16.3  r~2V0C718
     K18A00H  C2018 01 05.42867 10 29 39.21 +50 55 52.3         x16.6 Vq~2V0CG48
     K18A00H  C2018 01 05.42993 10 29 38.05 +50 55 52.8         x15.0 Vq~2V0CG48
     K18A00H  C2018 01 05.43126 10 29 37.39 +50 55 51.1         x16.1 Vq~2V0CG48
     K18A00H  C2018 01 05.43377 10 29 35.55 +50 55 50.5         x16.2 Vq~2V0CG48
     K18A00H AC2018 01 05.43686 10 29 31.28 +50 55 45.7         x16.6  q~2V0CH06
     K18A00H AC2018 01 05.43778 10 29 30.68 +50 55 44.7          16.6  q~2V0CH06
     K18A00H AC2018 01 05.43843 10 29 30.23 +50 55 44.7          16.8  q~2V0CH06
     K18A00H  C2018 01 05.44390 10 29 29.15 +50 55 44.7          15.9 GU~2V0CI52
     K18A00H AC2018 01 05.44508 10 29 25.34 +50 55 41.9         x16.7  q~2V0CH06
     K18A00H  C2018 01 05.44602 10 29 27.61 +50 55 44.1          16.0 GU~2V0CI52
     K18A00H  C2018 01 05.44615 10 29 27.52 +50 55 44.1          15.9 GU~2V0CI52
     K18A00H  C2018 01 05.44828 10 29 26.00 +50 55 43.5          16.0 GU~2V0CI52
     K18A00H  C2018 01 05.53830 10 28 23.84 +50 54 48.5          16.0 Ro~2V0C926
     K18A00H  C2018 01 05.54233 10 28 21.20 +50 54 44.2          16.1 Ro~2V0C926
     K18A00H  C2018 01 05.54638 10 28 18.58 +50 54 39.9          16.1 Ro~2V0C926
     K18A00H  C2018 01 05.84066 10 26 40.65 +50 48 54.5          16.1 Rq~2V0CC23
     K18A00H  C2018 01 05.84227 10 26 40.02 +50 48 55.5          16.1 Rq~2V0CC23
     K18A00H  C2018 01 05.84468 10 26 39.10 +50 48 56.9          16.3 Rq~2V0CC23
     K18A00H  C2018 01 05.84708 10 26 38.08 +50 48 58.5          16.1 Rq~2V0CC23
     K18A00H  C2018 01 05.84949 10 26 37.21 +50 49 00.3          16.1 Rq~2V0CC23
     K18A00H  C2018 01 05.85190 10 26 36.20 +50 49 02.1          16.1 Rq~2V0CC23
     K18A00H  C2018 01 05.86961 10 26 32.65 +50 49 22.6          16.5 RU~2V0CC27
     K18A00H KC2018 01 05.88990 10 26 24.37 +50 49 42.1          16.4 Rt~2V0CB49
     K18A00H KC2018 01 05.89154 10 26 23.67 +50 49 43.8          16.3 Rt~2V0CB49
     K18A00H KC2018 01 05.89396 10 26 22.67 +50 49 45.7          16.6 Rt~2V0CB49
     K18A00H  C2018 01 05.89558 10 26 22.00 +50 49 44.7          16.4 RU~2V0CC27
     K18A00H KC2018 01 05.89750 10 26 21.19 +50 49 46.2          16.5 RU~2V0CC27
     K18A00H (C2018 01 06.00024 10 25 41.81 +50 51 02.0          16.4 RU~2V0CG40
     K18A00H (C2018 01 06.00378 10 25 40.14 +50 51 04.8          16.5 RU~2V0CG40
     K18A00H (C2018 01 06.00706 10 25 38.61 +50 51 07.7          16.5 RU~2V0CG40
     K18A00H KC2018 01 06.16494 10 24 38.61 +50 49 34.9          16.8 VU~2V0CW34
     K18A00H KC2018 01 06.17555 10 24 34.39 +50 49 42.8         x17.0 VU~2V0CW34
     K18A00H KC2018 01 06.19762 10 24 24.95 +50 50 00.8          16.8 VU~2V0CW34
     K18A00H  C2018 01 06.29501610 23 48.96 +50 50 04.5          17.1 GU~2V0CH01
     K18A00H  C2018 01 06.30158610 23 46.10 +50 50 08.3          16.8 GU~2V0CH01
     K18A00H  C2018 01 06.30915110 23 42.77 +50 50 12.4          16.8 GU~2V0CH01
     K18A00H  C2018 01 06.31585010 23 39.79 +50 50 15.7          16.7 GU~2V0CH01
     K18A00H  C2018 01 06.35221 10 23 24.85 +50 50 30.0          16.8 GU~2V0CI52
     K18A00H  C2018 01 06.35493 10 23 23.61 +50 50 30.9          16.6 GU~2V0CI52
     K18A00H  C2018 01 06.35762 10 23 22.38 +50 50 31.7          16.9 GU~2V0CI52
     K18A00H  C2018 01 06.36031 10 23 21.15 +50 50 32.6          16.7 GU~2V0CI52
     K18A00H  C2018 01 06.42306 10 22 52.16 +50 50 42.8          16.6 Ro~2V0C926
     K18A00H  C2018 01 06.43120 10 22 48.37 +50 50 41.5          16.5 Ro~2V0C926
     K18A00H  C2018 01 06.43819 10 22 45.11 +50 50 40.1          16.5 Ro~2V0C926
     K18A00H KC2018 01 07.02745710 20 08.82 +50 46 18.5          17.3 GU~2V0CZ80
     K18A00H KC2018 01 07.03363010 20 06.87 +50 46 19.4          17.6 GU~2V0CZ80
     K18A00H KC2018 01 07.04016610 20 04.69 +50 46 20.9          17.4 GU~2V0CZ80
     K18A00H  C2018 01 09.42963 10 13 01.16 +50 39 24.3          17.4 GU~2V0C703
     K18A00H  C2018 01 09.43559 10 12 59.89 +50 39 23.0          17.6 GU~2V0C703
     K18A00H  C2018 01 09.44150 10 12 58.68 +50 39 21.9          16.5 GU~2V0C703
     K18A00H  C2018 01 10.56324 10 10 51.63 +50 36 16.6          17.8 oU~2V0CT05
     K18A00H  C2018 01 10.57062 10 10 50.27 +50 36 14.9          18.0 oU~2V0CT05
     K18A00H  C2018 01 10.58292 10 10 48.03 +50 36 11.7          17.8 oU~2V0CT05
     K18A00H KC2018 01 13.16356 10 07 01.46 +50 27 10.0                UEB090204
     K18A00H KC2018 01 13.17054 10 07 00.64 +50 27 07.4                UEB090204
     K18A00H KC2018 01 13.17751 10 06 59.82 +50 27 04.9          19.1 GUEB090204
     K18A00H  C2018 01 14.37864 10 05 37.87 +50 23 28.7          19.2 GU~2VXI703
     K18A00H  C2018 01 14.38408 10 05 37.09 +50 23 27.9          19.4 GU~2VXI703
     K18A00H  C2018 01 14.39500 10 05 35.87 +50 23 24.8         x18.9 GU~2VXI703
     K18A00H  C2018 01 17.34876 10 02 23.57 +50 11 47.1          18.8 GU~2VXI703
     K18A00H  C2018 01 17.35418 10 02 22.94 +50 11 45.8          19.5 GU~2VXI703
     K18A00H  C2018 01 17.35960 10 02 22.39 +50 11 46.0          19.1 GU~2VXI703
     K18A00H  C2018 01 17.36502 10 02 21.79 +50 11 44.6          19.1 GU~2VXI703
     K18A00H  C2018 01 25.27997 09 54 50.78 +49 27 15.0          20.1 GUEB115I52
     K18A00H  C2018 01 25.28306 09 54 50.60 +49 27 14.4          19.7 GUEB115I52
     K18A00H  C2018 01 25.28616 09 54 50.34 +49 27 13.4          20.0 GUEB115I52
     K18A00H  C2018 01 25.28973 09 54 50.04 +49 27 11.7          20.0 GUEB115I52
     K18A00H KC2018 01 28.17888 09 52 21.91 +49 05 34.3          20.7 RoEB144291
     K18A00H KC2018 01 28.19538 09 52 20.90 +49 05 28.9          20.8 RoEB144291
     K18A00H KC2018 01 28.21190 09 52 19.88 +49 05 23.4          20.8 RoEB144291

Station data:
(204) Schiaparelli Observatory  (N45.867930 E8.770800)  Italy.  Observer L.
   Buzzi. 0.60-m f/4.64 Newtonian + CCD.
(291) LPL/Spacewatch II  (N31.961626 W111.599100)  US/Arizona.  Observers J.
   V. Scotti, R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
(703) Catalina Sky Survey  (N32.417003 W110.732640)  US/Arizona.  Observers
   E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
   R. A. Kowalski, S. M. Larson, F. C. Shelly. 0.68 m Schmidt + CCD.
(718) Tooele  (N40.641406 W112.295800)  US/Utah.  Observer P. Wiggins. 0.35-m
   f/5.5 Schmidt-Cassegrain + CCD.
(926) Tenagra II  (N31.462040 W110.879100)  US/Arizona.
   Observers M. Schwartz, P. R. Holvorcem. Measurer M. Schwartz. 0.41-m
   f/3.75 astrograph + CCD.
(B49) Paus Observatory, Sabadell  (N41.551132 E2.112690)  Spain.
(C23) Olmen  (N51.140446 E5.154390)  Belgium.  Observer A. Diepvens. 0.20-m
   f/9 refractor + CCD.
(C27) Pallerols  (N41.618088 E1.353020)  Spain.
(F51) Pan-STARRS 1, Haleakala  (N20.707234 W156.255910)  US/Hawaii.
   Observers N. Primak, A. Schultz, S. Watters, J. Thiel, T. Goggia. Measurer
   PS1 Science Consortium. 1.8-m Ritchey-Chrétien + CCD.
(G40) Slooh.com Canary Islands Observatory  (N28.299718 W16.508260)  Canary
   Islands (Spain).  Observers G. Gašparović, Y. Chen. 0.43-m f/6.8 Corrected
   Dall-Kirkham + CCD.
(G48) Harlingten Research Observatory, Rancho Hildalgo  (N31.946918
   W108.898520)  US/New Mexico.
(H01) Magdalena Ridge Observatory, Socorro  (N33.985148 W107.189200)  US/New
   Mexico.  Observers W. H. Ryan, E. V. Ryan. Measurer W. H. Ryan. 2.4-m
   f/8.9 reflector + CCD.
(H06) RAS Observatory, Mayhill  (N32.903323 W105.528700)  US/New
   Mexico.  Observers E. Guido, G. Sostero, V. Gonano, L. Donato.
(I52) Steward Observatory, Mt. Lemmon Station  (N32.442544 W110.788920)
   US/Arizona.
(I89) iTelescope Observatory, Nerpio  (N38.165284 W2.326100)  Spain.
(T05) ATLAS-HKO, Haleakala  (N20.707571 W156.257010)  US/Hawaii.  Observers
   L. Denneau, A. Heinze, H. Weiland, B. Stalder, J. Tonry, A. Sherstyuk.
   Measurers L. Denneau, A. Heinze, J. Tonry. 0.5-m f/2.0 Schmidt + CCD.
(T08) ATLAS-MLO, Mauna Loa  (N19.535770 W155.576400)  US/Hawaii.
(W34) Squirrel Valley Observatory, Columbus  (N35.225390 W82.154700)
   US/North Carolina.  Observer R. L. Flynn. 0.20-m f/10 Schmidt-Cassegrain +
   f/7.0 focal reducer.
(Z80) Northolt Branch Observatory  (N51.554659 W0.371920)  UK.

Orbital elements:  2018 AH
   Perihelion 2017 Dec 6.316439 +/- 0.00147 TT =  7:35:40 (JD 2458093.816439)
Epoch 2018 Jan 28.0 TT = JDT 2458146.5   Earth MOID: 0.0016   Gray
M  13.02743 +/- 0.008               (J2000 ecliptic)
n   0.24727712 +/- 0.000158         Peri.  322.91686 +/- 0.00015
a   2.51389279 +/- 0.00107          Node   101.29691 +/- 0.000040
e   0.6406473 +/- 0.000158          Incl.   12.42098 +/- 0.0020
P   3.99                   H 22.7   G  0.15   U  6.9  
q 0.90337416 +/- 1.28e-5    Q 4.12441142 +/- 0.00215
80 of 88 observations 2018 Jan. 3-28; mean residual 0".266
Residuals in arcseconds: 
180103 F51 .122+ .103-    180105 926 .030+ .352+    180106 926 .111+ .383+    
180103 F51 .088+ .095-    180105 926 .062- .286+    180106 926 .010+ .385+    
180104 T08 .187+ .209-    180105 926 .001+ .355+    180107 Z80 .168- .023-    
180104 T08 .163- .350-    180105 C23 .225- .177+    180107 Z80 .336+ .357-    
180104 T08 .006+ .120-    180105 C23 .160- .099+    180107 Z80 .130- .012-    
180104 T08 .007- .069-    180105 C23 .181+ .119-    180109 703 .081+ .009+    
180104 T08 .077- .085-    180105 C23 .430- .135-    180109 703 .021+ .123-    
180105 I89 .565- .150-    180105 C23 .449+ .038+    180109 703 .408+ .074+    
180105 I89 .085- .351-    180105 C23 .034+ .207+    180110 T05 .120+ .239-    
180105 I89 .501- .294-    180105 C27 .130- .033-    180110 T05 .143+ .167-    
180105 926 .364+ .320+    180105 B49 .112- .232-    180110 T05 .323+ .042+    
180105 926 .092+ .350+    180105 B49 .231- .082+    180113 204 .050+ .090-    
180105 926 .003- .377+    180105 B49 .060- .059-    180113 204 .009- .141-    
180105 718 .208- .134+    180105 C27 .148+ .059+    180113 204 .154- .006-    
180105 718 .418- .258+    180105 C27 .140+ .055-    180114 703 .437+ .214+    
180105 718 .201- .301+    180106 G40 .326+ .166+    180114 703 .772- .178+    
180105 718 .127- .735+    180106 G40 .049- .134-    180114 703(.142+ 1.18-)   
180105 718 .690+ .899+    180106 G40 .151- .065-    180117 703 .790+ .441-    
180105 G48(.928+ .892+)   180106 W34 .059+ .700-    180117 703 .023- .839-    
180105 G48(1.42- 1.60+)   180106 W34(1.31+ 1.24-)   180117 703 .047- .316+    
180105 G48(1.44+ .136+)   180106 W34 .019+ .308+    180117 703 .535- .075-    
180105 G48(1.19+ .025+)   180106 H01 .191+ .122-    180125 I52 .236- .100-    
180105 H06(.985- .694+)   180106 H01 .237+ .073-    180125 I52 .260+ .256+    
180105 H06 .403- .011-    180106 H01 .201+ .027-    180125 I52 .008- .226+    
180105 H06 .241- .202+    180106 H01 .091+ .072-    180125 I52 .312- .346-    
180105 I52 .243+ .124-    180106 I52 .204+ .104-    180128 291 .007- .271+    
180105 H06(1.38- .200-)   180106 I52 .199+ .109-    180128 291 .212- .147+    
180105 I52 .062+ .173-    180106 I52 .181+ .159-    180128 291 .169- .074+    
180105 I52 .092+ .138-    180106 I52 .183+ .066-    
180105 I52 .151+ .142-    180106 926 .101+ .475+    

Ephemerides for (LSS) Large Synoptic Survey Telescope:
Date (UTC) HH   RA              Dec         delta   r     elong SM  mag alt  az " sig PA
---- -- -- --  ------------   ------------  ------ ------ ----- --  --- --- --- ---- ---
................
2018 01 03 09  11 17 29.758   +50 59 17.06  .00962 .98853 122.8 NM 14.6 +09 002  .19
2018 01 03 08  11 20 31.620   +50 56 35.20  .00930 .98830 122.3  M 14.6 +07 011  .25
2018 01 03 07  11 23 44.029   +50 52 39.76  .00898 .98806 121.7  M 14.5 +04 021  .33
................
2018 01 02 09  14 44 06.096   +33 33 17.46  372981 .98293  81.4 NM 13.2 +08 044 11.1
................
2018 01 01 03  20 46 49.855   -46 45 51.20  .00860 .97621  34.0  M 20?? +03 215  3.9
2018 01 01 02  20 49 22.149   -47 00 04.30  .00891 .97599  34.5  M 20?? +11 222  3.8
2018 01 01 01  20 51 50.560   -47 13 19.64  .00923 .97577  35.0 AM 20?? +21 227  3.7
2018 01 01 00  20 54 15.656   -47 25 32.32  .00954 .97555  35.5 CM 20?? +31 230  3.6
................
2017 12 31 04  21 22 45.254   -48 55 56.71  .01606 .97126  40.9  M 20?? +02 211  2.8
2017 12 31 03  21 23 29.655   -48 59 45.61  .01638 .97105  41.1  M 20?? +09 218  2.7
2017 12 31 02  21 24 15.365   -49 03 33.74  .01671 .97084  41.2  M 20?? +18 223  2.7
2017 12 31 01  21 25 02.535   -49 07 15.17  .01703 .97062  41.4 AM 20?? +27 227  2.7
2017 12 31 00  21 25 51.089   -49 10 44.15  .01735 .97041  41.6 CM 20?? +37 229  2.7
................