[Iaude] MPEC W131: 2017 NN6 [a=2.23,e=0.74,i=7.8,H=20.02]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Nov 26 11:00:44 EST 2023


M.P.E.C. 2023-W131                            Issued 2023 November 26, 15:59 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets, routine data on comets and natural satellites,
         and occasional editorial announcements.  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

                                    2017 NN6                                    


                           Revision to MPEC 2017-O10                            

Additional Observations:
     K17N06N  C2023 11 12.57698508 27 44.374+15 59 16.61         20.96GVEW131F52
     K17N06N  C2023 11 12.58813908 27 46.774+15 59 10.93         21.48GVEW131F52
     K17N06N  C2023 11 12.61127108 27 51.746+15 58 59.55         21.86GVEW131F52
     K17N06N  C2023 11 23.55598409 14 58.763+13 59 06.24         21.51wXEW131F52
     K17N06N  C2023 11 23.56820609 15 02.445+13 58 55.73         20.76wXEW131F52
     K17N06N  C2023 11 24.59450909 20 22.732+13 43 37.68         20.94GVEW131F51
     K17N06N  C2023 11 24.59532109 20 22.979+13 43 37.01         21.10GVEW131F51
     K17N06N KC2023 11 26.13552 09 28 46.36 +13 18 45.2                VEW131204
     K17N06N KC2023 11 26.16070 09 28 54.68 +13 18 20.4          20.7 GVEW131204

Observer details:
204 Schiaparelli Observatory.  Observers L. Buzzi, G. Galli.  0.84-m f/3.5
    reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, 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.
F52 Pan-STARRS 2, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, 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.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
231112 F52 1.37- 0.18-    231126 204 1.98- 0.42-    E2023-R03   -1.17 days

Orbital elements:
2017 NN6                                            PHA, Earth MOID = 0.0234 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 318.58640              (2000.0)            P               Q                  
n   0.29540367     Peri.   99.78392     -0.95686820     +0.25720215             
a   2.2328461      Node    95.21296     -0.28982978     -0.87719384             
e   0.7384843      Incl.    7.79648     +0.02004841     -0.40543559             
P   3.34           H   20.02          G   0.15           U   1                  
Residuals in seconds of arc
170714 Y00  0.2+  0.1+    170716 Y00  0.2+  0.0     170717 Q62  0.2+  0.1+
170714 Y00  0.2+  0.1+    170716 Y00  0.6+  0.5+    170717 Q62  0.0   0.1+
170714 Y00  0.1-  0.1-    170716 Y00  0.6+  0.1-    170719 W88  0.1+  0.1+
170715 Y00  0.1-  0.0     170716 Y00  0.7+  0.3-    170719 W88  0.0   0.2+
170715 Y00  0.0   0.0     170716 I47  0.0   0.1-    170719 W88  0.0   0.1+
170715 Y00  0.0   0.0     170716 I47  0.0   0.0     170719 807  0.1+  0.2-
170715 Y00  0.1-  0.3-    170716 I47  0.1+  0.1-    170719 807  0.1+  0.1-
170715 Y00  0.0   0.0     170716 I47  0.1-  0.1-    170719 807  0.1+  0.1-
170715 Y00  0.0   0.4-    170716 I47  0.0   0.2-    170719 807  0.0   0.1+
170715 R58  0.2-  0.7-    170716 I47  0.2+  0.3-    170719 807  0.0   0.0
170715 R58  0.0   0.5+    170717 Y00  0.0   0.5-    170723 Y00  0.0   0.1-
170715 R58  0.3-  0.1-    170717 Y00  0.3+  0.1+    170723 Y00  0.2-  0.1+
170715 R58  0.1+  0.4+    170717 Y00  0.2+  0.5-    170723 Y00  0.3-  0.2+
170715 Q62  0.5-  0.3+    170717 Y00  0.2+  0.2+    170819 807  0.7+  0.3-
170715 Q62  0.5-  0.0     170717 Y00  0.5+  0.2-    170820 807  0.3+  0.4-
170715 Q62  0.3-  0.1-    170717 E23  0.1+  0.2+    170820 807  0.3+  0.1-
170715 Q62  0.0   0.1+    170717 E23  0.0   0.2+    231112 F52  0.3-  0.4+
170715 Q62  0.2-  0.2-    170717 E23  0.0   0.1+    231112 F52  0.2-  0.1+
170715 Q62  0.2-  0.2-    170717 Q62  0.1+  0.1+    231112 F52  0.1-  0.1+
170715 I47  0.3+  0.2-    170717 Q62  0.1+  0.1+    231123 F52  0.1+  0.0
170715 I47  0.1+  0.6+    170717 Q62  0.0   0.1+    231123 F52  0.0   0.0
170715 I47  0.4-  0.7-    170717 Q62  0.2+  0.0     231124 F51  0.1+  0.1-
170715 I47  0.2-  0.2-    170717 Q62  0.1-  0.2+    231124 F51  0.0   0.1-
170715 I47  0.2-  0.3+    170717 Q62  0.0   0.3+    231126 204  0.4+  0.2-
170716 Y00  0.2-  0.0     170717 Q62  0.1+  0.0     231126 204  0.2-  0.3+
170716 Y00  0.3+  0.0     170717 Q62  0.1+  0.1+

Ephemeris:
2017 NN6                 a,e,i = 2.23, 0.74, 8                   q = 0.5839
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 10 27    07 37 14.4 +17 38 09   1.0986  1.6022    99.8    37.7    22.8
...
2023 11 11    08 22 05.8 +16 11 51   0.8238  1.4332   104.0    42.1    22.0
...
2023 11 19    08 53 24.0 +14 57 21   0.6899  1.3392   104.5    45.6    21.6
...
2023 11 25    09 22 32.0 +13 37 22   0.5979  1.2670   103.4    49.3    21.3
2023 11 26    09 28 00.4 +13 21 11   0.5835  1.2548   103.0    50.0    21.2
2023 11 27    09 33 41.0 +13 03 59   0.5694  1.2426   102.6    50.8    21.2
...
2023 12 03    10 12 35.4 +10 55 36   0.4915  1.1687    99.0    56.4    20.9
...
2023 12 11    11 19 54.4 +06 34 08   0.4130  1.0687    90.1    67.1    20.6
...
2023 12 26    14 02 27.5 -05 30 43   0.3902  0.8805    63.4    93.3    21.0

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-W131




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