[Iaude] MPEC X19: 2018 WN2 [a=1.71,e=0.27,i=7.7,H=21.4]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sun Dec 2 16:07:16 EST 2018


M.P.E.C. 2018-X19                                Issued 2018 Dec. 2, 21:02 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


                                   2018 WN2
 
Observations:
     K18W02N* C2018 11 29.30590 04 44 16.66 +30 36 59.0          19.8 GVEX019G96
     K18W02N  C2018 11 29.31108 04 44 16.43 +30 36 53.2          20.2 GVEX019G96
     K18W02N  C2018 11 29.31626 04 44 16.20 +30 36 47.2          20.0 GVEX019G96
     K18W02N  C2018 11 29.32142 04 44 15.99 +30 36 41.4          20.1 GVEX019G96
     K18W02N  C2018 11 29.41342 04 44 12.12 +30 34 53.6                VEX019I52
     K18W02N  C2018 11 29.41531 04 44 12.02 +30 34 51.7          20.4 GVEX019I52
     K18W02N  C2018 11 29.41961 04 44 11.80 +30 34 47.2          20.4 GVEX019I52
     K18W02N  C2018 11 29.42204 04 44 11.70 +30 34 44.2                VEX019I52
     K18W02N HC2018 11 29.51672 04 44 08.09 +30 32 49.2          20.2 RoEX019691
     K18W02N HC2018 11 29.51874 04 44 08.05 +30 32 46.6          20.4 RoEX019691
     K18W02N HC2018 11 29.52075 04 44 08.00 +30 32 44.4          20.2 RoEX019691
     K18W02N pC2018 11 30.03875304 43 52.01 +30 22 42.6          20.1 GVEX019L01
     K18W02N pC2018 11 30.04302204 43 51.87 +30 22 37.6          20.2 GVEX019L01
     K18W02N KC2018 11 30.04857904 43 51.65 +30 22 31.5          20.0 GVEX019L01
     K18W02N KC2018 11 30.86717 04 43 25.54 +30 06 17.2          19.6 RoEX019K88
     K18W02N KC2018 11 30.87365 04 43 25.23 +30 06 09.5          19.9 RoEX019K88
     K18W02N KC2018 11 30.88014 04 43 25.01 +30 06 01.9          19.6 RoEX019K88
     K18W02N KC2018 12 01.94397 04 42 47.98 +29 44 23.2          19.4  qEX019157
     K18W02N KC2018 12 01.95448 04 42 47.50 +29 44 10.7          19.5  qEX019157
     K18W02N KC2018 12 01.96500 04 42 47.02 +29 43 57.5          19.0  qEX019157
     K18W02N KC2018 12 01.97836 04 42 46.49 +29 43 39.5          18.8 RVEX019K63
     K18W02N KC2018 12 01.98604 04 42 46.17 +29 43 30.0          18.7 RVEX019K63
     K18W02N KC2018 12 02.00241 04 42 45.43 +29 43 09.1          19.0 RVEX019K63
 
Observer details:
157 Frasso Sabino.  Observers R. Haver, R. Gorelli.  Measurer R. Haver.
    0.37-m f/6.70 Cassegrain + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch.  Observer M. J. Brucker.
    0.9-m f/3 reflector + CCD.
G96 Mt. Lemmon Survey.  Observer B. M. Africano.  Measurers B. M. Africano,
    E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
    H. Groeller, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard,
    R. L. Seaman, F. C. Shelly.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer G. J. Leonard.
    Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls,
    A. R. Gibbs, A. D. Grauer, H. Groeller, J. A. Johnson, R. A. Kowalski,
    S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly.  1.0-m reflector
    + CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.
    0.41-m f/3.2 Newtonian reflector + CCD.
K88 GINOP-KHK, Piszkesteto.  Observers M. Krezinger, R. Koenyves-Toth.
    Measurer K. Sarneczky.  0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
 
Orbital elements:
2018 WN2                                                 Earth MOID = 0.2766 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  42.00427              (2000.0)            P               Q
n   0.44130587     Peri.  204.81895     -0.32422459     -0.93656469
a   1.7086099      Node   264.32726     +0.88872776     -0.25335220
e   0.2661114      Incl.    7.68869     +0.32410088     -0.24219672
P   2.23           H   21.4           G   0.15           U   8
Residuals in seconds of arc
181129 G96  0.1+  0.1-    181129 691  0.3-  0.2-    181130 K88  0.2+  0.1+
181129 G96  0.0   0.0     181129 691  0.2+  0.3-    181201 157  0.2+  0.0
181129 G96  0.1-  0.1-    181129 691  0.4+  0.1-    181201 157  0.0   0.5+
181129 G96  0.0   0.0     181130 L01  0.2-  0.4-    181201 157  0.1-  0.3+
181129 I52  0.3+  0.2-    181130 L01  0.3+  0.3-    181201 K63  0.1-  0.2-
181129 I52  0.0   0.2+    181130 L01  0.4+  0.3+    181201 K63  0.1+  0.1-
181129 I52  0.6-  0.8+    181130 K88  0.1+  0.1+    181202 K63  0.1-  0.5-
181129 I52  0.6-  0.7+    181130 K88  0.5-  0.1+

Ephemeris:
2018 WN2                 a,e,i = 1.71, 0.27, 8                   q = 1.2539
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 02    04 44 54.2 +35 22 44   0.4712  1.3972   142.9    25.4    21.7
...
2018 11 17    04 48 33.4 +33 42 20   0.3871  1.3530   156.7    16.8    20.9
...
2018 11 25    04 46 21.1 +31 53 11   0.3538  1.3319   164.9    11.1    20.5
...
2018 12 01    04 43 20.4 +30 03 47   0.3344  1.3174   170.9     6.8    20.1
2018 12 02    04 42 45.8 +29 43 20   0.3317  1.3151   171.7     6.2    20.1
2018 12 03    04 42 10.5 +29 22 18   0.3291  1.3128   172.5     5.6    20.0
...
2018 12 09    04 38 33.8 +27 04 56   0.3167  1.3000   173.2     5.1    19.9
...
2018 12 17    04 34 31.0 +23 41 23   0.3084  1.2852   165.7    10.9    20.1
...
2019 01 01    04 33 43.5 +17 23 35   0.3157  1.2647   149.1    23.5    20.5

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-X19



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