[Iaude] MPEC E14: 2022 DN4 [a=1.42,e=0.23,i=5.3,H=24.8]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Mar 1 06:27:26 EST 2022


M.P.E.C. 2022-E14                                 Issued 2022 March 1, 11:26 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

                                    2022 DN4                                    


Observations:
     K22D04N* C2022 02 27.43729312 55 48.176+13 05 33.09         21.63wUEE014F52
     K22D04N  C2022 02 27.44811112 55 49.108+13 04 59.60         21.46wUEE014F52
     K22D04N  C2022 02 27.45895512 55 50.040+13 04 26.05         21.69wUEE014F52
     K22D04N  C2022 02 27.57785312 55 59.782+12 58 12.07         21.25GVEE014F52
     K22D04N  C2022 02 27.57848212 55 59.822+12 58 10.35         21.80GVEE014F52
     K22D04N 1C2022 02 28.12814 12 57 01.07 +12 28 22.9          21.3 VVEE014033
     K22D04N 1C2022 02 28.13172 12 57 01.42 +12 28 11.0          21.0 VVEE014033
     K22D04N 1C2022 02 28.13530 12 57 01.72 +12 27 59.1          21.5 VVEE014033
     K22D04N 1C2022 02 28.14018 12 57 02.20 +12 27 43.1          21.5 VVEE014033
     K22D04N |C2022 02 28.22549 12 57 15.03 +12 24 49.6          21.3 GVEE014807
     K22D04N |C2022 02 28.23288 12 57 15.71 +12 24 26.5          21.5 GVEE014807
     K22D04N |C2022 02 28.23658 12 57 15.99 +12 24 14.7          21.5 GVEE014807
     K22D04N KC2022 02 28.26541712 57 19.42 +12 21 12.8          21.4 VuEE014H21
     K22D04N KC2022 02 28.27380512 57 20.14 +12 20 46.3          21.6 VuEE014H21
     K22D04N KC2022 02 28.28247512 57 20.90 +12 20 18.8          21.4 VuEE014H21
     K22D04N  C2022 02 28.43198712 57 38.737+12 12 38.20         21.64GVEE014F52
     K22D04N  C2022 02 28.43261712 57 38.782+12 12 36.03         21.45GVEE014F52
     K22D04N  C2022 02 28.48279012 57 42.903+12 09 55.25         22.28GVEE014F52
     K22D04N  C2022 02 28.48341912 57 42.941+12 09 53.47         21.47GVEE014F52
     K22D04N 1C2022 03 01.06035 12 58 44.06 +11 37 51.6          21.6 VVEE014033
     K22D04N 1C2022 03 01.06365 12 58 44.33 +11 37 40.6          21.4 VVEE014033
     K22D04N 1C2022 03 01.06694 12 58 44.61 +11 37 29.5          21.0 VVEE014033
     K22D04N 1C2022 03 01.07041 12 58 44.87 +11 37 18.6          21.2 VVEE014033

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
    Hoegner, U. Laux, F. Ludwig, B. Stecklum.  Measurer B. Stecklum.  1.34-m
    f/3 Schmidt + CCD.
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
    Horn.  1.00-m f/10.0 astrograph + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, I.
    Smith, K. Chambers, T. Dukes.  Measurers K. Chambers, S. Chastel, T. de
    Boer, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, E. Magnier, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + CCD.

Orbital elements:
2022 DN4                                                 Earth MOID = 0.0901 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Bell                    
M 332.05305              (2000.0)            P               Q                  
n   0.58462583     Peri.  170.17990     -0.98832379     -0.15235860             
a   1.4165026      Node     1.06102     +0.13274729     -0.86653238             
e   0.2348618      Incl.    5.32182     +0.07479471     -0.47529832             
P   1.69           H   24.88          G   0.15           U   8                  
Residuals in seconds of arc
220227 F52  0.0   0.0     220228 033  0.5+  0.4-    220228 F52  0.0   0.2+
220227 F52  0.1-  0.0     220228 807  0.6-  0.3-    220228 F52  0.3+  0.3-
220227 F52  0.0   0.0     220228 807  0.3+  0.1+    220228 F52  0.1+  0.1-
220227 F52  0.1-  0.3-    220228 807  0.1-  0.1+    220301 033  0.2+  0.0
220227 F52  0.3-  0.0     220228 H21  0.0   0.3-    220301 033  0.0   0.1-
220228 033  0.0   0.5+    220228 H21  0.1-  0.1-    220301 033  0.1-  0.4-
220228 033  0.3+  0.1+    220228 H21  0.0   0.1+    220301 033  0.7-  0.2+
220228 033  0.0   0.2-    220228 F52  0.1+  0.4+

Ephemeris:
2022 DN4                 a,e,i = 1.42, 0.23, 5                   q = 1.0838
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2022 01 30    11 48 06.3 +28 17 52   0.1819  1.1263   137.7    36.1    22.9
...
2022 02 14    12 26 39.7 +22 31 59   0.1399  1.1003   141.5    34.0    22.2
...
2022 02 22    12 44 50.9 +17 28 04   0.1229  1.0911   144.2    32.0    21.9
...
2022 02 28    12 56 48.0 +12 36 05   0.1129  1.0866   146.7    30.0    21.6
2022 03 01    12 58 37.3 +11 42 03   0.1114  1.0861   147.2    29.6    21.6
2022 03 02    13 00 23.5 +10 46 31   0.1101  1.0856   147.7    29.2    21.5
...
2022 03 08    13 09 53.4 +04 44 32   0.1034  1.0839   150.8    26.6    21.3
...
2022 03 16    13 19 30.6 -04 13 06   0.09892 1.0849   154.8    22.9    21.1
...
2022 03 31    13 28 03.0 -20 24 09   0.1041  1.0968   159.3    18.8    21.1

M. P. C. Staff               (C) Copyright 2022 MPC           M.P.E.C. 2022-E14




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