[Iaude] MPEC A44: 2016 JN17 [a=1.39,e=0.15,i=26.5,H=20.4]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Fri Jan 4 13:45:17 EST 2019


M.P.E.C. 2019-A44                                Issued 2019 Jan. 4, 18:42 UT
 
     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
    on behalf of Division F of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
                          Cambridge, MA 02138, U.S.A.

             Prepared using the Tamkin Foundation Computer Network

                              MPC at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2016 JN17
 
                           Revision to MPEC 2016-J88
 
Additional Observations:
     K16J17N KC2018 12 18.41254710 09 49.61 +36 58 50.4          22.1 VuEA044H21
     K16J17N KC2018 12 18.42311710 09 50.27 +36 59 12.2          22.0 VuEA044H21
     K16J17N KC2018 12 18.43429310 09 50.93 +36 59 34.9          21.8 VuEA044H21
     K16J17N KC2019 01 04.34342910 21 07.49 +47 25 40.6          22.0 VuEA044H21
     K16J17N KC2019 01 04.35174210 21 07.52 +47 25 59.6          22.4 VuEA044H21
     K16J17N KC2019 01 04.35883910 21 07.51 +47 26 16.7          21.5 VuEA044H21
 
Observer details:
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  1.3-m f/4.0
    astrograph + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
181218 H21  9.2+  1.5-    190104 H21 10.6+  4.3-    MPO394307   -0.0039 day
 
Orbital elements:
2016 JN17                                                Earth MOID = 0.2492 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 209.24745              (2000.0)            P               Q
n   0.60414551     Peri.  244.78044     +0.76094251     +0.47367612
a   1.3858249      Node    84.01331     -0.30585155     +0.86456770
e   0.1460540      Incl.   26.47611     -0.57220742     +0.16779041
P   1.63           H   20.4           G   0.15           U   2
Residuals in seconds of arc
160505 F51  0.1+  0.1+    160514 691  0.7+  0.6-    160606 H21  0.5-  0.5+
160505 F51  0.1+  0.2+    160516 691  0.1-  0.0     160606 H21  0.0   0.6+
160505 F51  0.1-  0.2+    160516 691  0.1-  0.4-    160606 H21  0.3+  0.1+
160505 F51  0.0   0.0     160516 691  1.2+  0.1-    160607 H21  1.2+  0.1+
160506 705  0.1+  0.6+    160522 705  0.1-  0.1+    160607 H21  0.9+  0.1-
160506 705  0.2-  0.1-    160522 705  0.2-  0.1-    160607 H21  1.0+  0.3-
160506 705  0.2-  0.3+    160522 705  0.1-  0.1-    160608 H21  0.1+  0.1+
160506 568  0.0   0.3+    160527 926  0.1+  0.3+    160608 H21  0.1+  0.0
160506 568  0.0   0.2+    160527 926  0.0   0.2+    160608 H21  0.2+  0.1+
160506 568  0.0   0.1+    160527 926  0.5+  0.4+    160608 H21  0.0   0.0
160507 104  0.9-  0.2-    160528 926  0.2+  0.2+    160608 H21  0.1-  0.1+
160507 104  0.1-  0.2-    160528 926  0.3+  0.5+    160612 H21  0.4-  0.2-
160507 104  0.6-  0.3-    160528 926  0.4+  0.0     160612 H21  0.7-  0.4+
160508 H01  0.1-  0.2+    160530 H21  1.2-  0.4-    160612 H21  1.2-  0.6+
160508 H01  0.2-  0.1+    160530 H21  0.5-  0.3-    160622 807  0.5-  0.2-
160508 H01  0.3-  0.2+    160530 H21  0.1-  0.3+    160622 807  0.6-  0.3+
160508 H01  0.3-  0.1+    160530 691  0.5+  0.0     160622 807  0.3-  0.7+
160508 291  0.5-  0.2+    160530 691  1.0-  0.7-    160705 691  0.1-  0.1-
160508 291  0.1-  0.1+    160530 691  0.2-  0.1+    160705 691  0.2+  0.5-
160508 291  0.2-  0.3+    160531 H21  0.3-  0.0     160705 691  0.7+  0.4-
160508 568  0.1-  0.0     160531 H21  0.5-  0.1-    160802 807  0.6-  0.1+
160508 568  0.1-  0.0     160531 H21  0.1-  0.1-    160802 807  0.2-  0.1+
160509 291  0.4+  0.1+    160531 691  1.0+  0.0     160802 807  0.9-  0.3+
160509 291  0.2+  0.4+    160531 691  0.3-  0.0     161030 807  0.2-  0.0
160509 291  0.2-  0.3+    160601 691  0.1+  0.1+    161030 807  0.4-  0.1+
160510 691  0.5+  0.3+    160601 691  0.1+  0.8+    161030 807  0.3-  0.1+
160510 691  1.2+  0.2+    160602 691  0.0   0.3+    161204 807  0.1+  0.2-
160510 691  0.6+  0.2-    160602 691  0.0   0.4+    161204 807  0.2-  0.3-
160511 691  0.9+  0.4-    160602 691  0.2+  1.0-    161204 807  0.1-  0.2-
160511 691  0.6+  0.1-    160603 H21  0.1+  0.5+    181218 H21  0.1-  0.6+
160511 691  0.7+  0.9-    160603 H21  0.1+  0.1+    181218 H21  0.1+  0.9+
160513 691  0.0   0.5+    160603 H21  0.3+  0.4+    181218 H21  0.1-  0.8+
160513 691  0.7-  0.3-    160603 F51  0.2-  0.1+    190104 H21  0.1-  0.7-
160513 691  0.5-  0.0     160603 F51  0.1-  0.0     190104 H21  0.0   1.2-
160514 691  0.8-  0.4-    160603 F51  0.2-  0.1+    190104 H21  0.3-  0.7-
160514 691  0.1+  1.1-    160603 F51  0.2-  0.1+

Ephemeris:
2016 JN17                a,e,i = 1.39, 0.15, 26                  q = 1.1834
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 05    09 51 58.4 +30 10 58   0.8401  1.5141   111.8    37.2    22.4
...
2018 12 20    10 11 30.6 +37 53 11   0.7576  1.5352   123.1    32.5    22.1
...
2018 12 28    10 18 12.9 +42 43 19   0.7264  1.5451   128.7    29.8    21.9
...
2019 01 03    10 20 51.7 +46 33 25   0.7101  1.5519   132.2    28.0    21.9
2019 01 04    10 21 04.0 +47 12 15   0.7080  1.5530   132.7    27.7    21.8
2019 01 05    10 21 11.9 +47 51 08   0.7061  1.5541   133.1    27.5    21.8
...
2019 01 11    10 20 18.6 +51 42 45   0.6989  1.5601   135.4    26.3    21.8
...
2019 01 19    10 14 05.5 +56 34 02   0.7002  1.5673   136.4    25.6    21.8
...
2019 02 03    09 45 25.3 +63 32 41   0.7339  1.5780   132.7    27.3    21.9

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-A44



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