[Iaude] MPEC D146: 2015 DQ248 [a=67.67,e=0.48,i=32.3,H=8.43]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Thu Feb 29 13:01:14 EST 2024


M.P.E.C. 2024-D146                            Issued 2024 February 29, 17:59 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

                                   2015 DQ248                                   


Additional Observations:
     K15DO8Q 4C2016 12 25.47498 09 42 14.42 -01 28 08.4          24.2 r1ED146T09
     K15DO8Q 4C2016 12 25.47707 09 42 14.40 -01 28 08.1          24.1 r1ED146T09
     K15DO8Q 4C2016 12 25.48752 09 42 14.37 -01 28 08.3          23.9 r1ED146T09
     K15DO8Q 4C2017 01 21.37468 09 40 29.43 -01 21 46.4          23.9 z1ED146T09
     K15DO8Q 4C2017 01 21.40688 09 40 29.28 -01 21 45.7          23.4 z1ED146T09
     K15DO8Q 4C2017 01 21.56385 09 40 28.52 -01 21 42.0          23.4 z1ED146T09
     K15DO8Q 4C2017 01 21.62179 09 40 28.24 -01 21 40.7          23.5 z1ED146T09
     K15DO8Q 4C2017 01 21.62985 09 40 28.20 -01 21 40.5          23.7 z1ED146T09
     K15DO8Q 4C2017 01 21.63790 09 40 28.15 -01 21 40.0          23.9 z1ED146T09
     K15DO8Q 4C2017 01 28.38299 09 39 55.38 -01 18 44.1          24.3 g1ED146T09
     K15DO8Q 4C2017 01 28.39348 09 39 55.33 -01 18 44.3          24.6 g1ED146T09
     K15DO8Q 4C2017 01 28.41043 09 39 55.25 -01 18 43.3          24.6 g1ED146T09
     K15DO8Q 4C2017 01 28.41954 09 39 55.19 -01 18 43.4          24.5 g1ED146T09
     K15DO8Q 4C2017 01 28.45084 09 39 55.04 -01 18 42.4          24.4 g1ED146T09

Observer details:
T09 Subaru Telescope, Maunakea.  Observers H. Aihara, Y. AlSayyad, M. Ando, R.
    Armstrong, J. Bosch, E. Egami, H. Furusawa, J. Furusawa, S. Harasawa, Y.
    Harikane, B.-C. Hsieh, H. Ikeda, K. Ito, I. Iwata, T. Kodama, M. Koike, M.
    Kokubo, Y. Komiyama, X. Li, Y. Liang, Y.-T. Lin, R. H. Lupton, N. B. Lust,
    L. A. MacArthur, K. Mawatari, S. Mineo, H. Miyatake, S. Miyazaki, S. More,
    T. Morishima, H. Murayama, K. Nakajima, F. Nakata, A. J. Nishizawa, M.
    Oguri, N. Okabe, Y. Okura, Y. Ono, K. Osato, M. Ouchi, Y.-C. Pan, A. A.
    Plazas Malagon, P. A. Price, S. L. Reed, E. S. Rykoff, T. Shibuya, M.
    Simunovic, M. A. Strauss, K. Sugimori, Y. Suto, N. Suzuki, M. Takada, Y.
    Takagi, T. Takata, S. Takita, M. Tanaka, S. Tang, D. S. Taranu, T. Terai,
    Y. Toba, E. L. Turner, H. Uchiyama, B. Vijarnwannaluk, C. Z. Waters, Y.
    Yamada, N. Yamamoto, T. Yamashita.  Measurer A. Yamauchi.  8.2-m f/2.0
    reflector + CCD(HSC).

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
161225 T09 0.41+ 0.08+    170128 T09 0.41+ 0.08+    MPO705278  -11740 days

Orbital elements:
2015 DQ248                                                                      
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M   0.15515              (2000.0)            P               Q                  
n   0.00177068     Peri.  347.43078     -0.93235901     -0.35063403             
a  67.6668266      Node   170.51144     +0.36033185     -0.92109841             
e   0.4809148      Incl.   32.30674     +0.02945551     +0.16921437             
P 557              H    8.43          G   0.15           U   7                  
Residuals in seconds of arc
150217 W84  0.2-  0.1-    150222 W84  0.1+  0.1-    170121 T09  0.1+  0.1+
150217 W84  0.1+  0.0     150224 W84  0.5+  0.1-    170121 T09  0.0   0.0
150217 W84  0.1+  0.2-    150224 W84  0.1+  0.1+    170121 T09  0.0   0.0
150218 W84  0.1-  0.1-    150227 W84  0.1+  0.1-    170121 T09  0.1-  0.3+
150218 W84  0.2+  0.0     150227 W84  0.2+  0.2-    170128 T09  0.0   0.2+
150218 W84  0.3-  0.1+    150227 W84  0.4-  0.3+    170128 T09  0.0   0.3-
150218 W84  0.4+  0.0     161225 T09  0.1+  0.2-    170128 T09  0.1+  0.2+
150218 W84  0.1+  0.0     161225 T09  0.1-  0.1+    170128 T09  0.1-  0.2-
150219 W84  0.2-  0.2+    161225 T09  0.1-  0.2-    170128 T09  0.0   0.0
150222 W84  0.4-  0.0     170121 T09  0.0   0.2+
150222 W84  0.3-  0.3+    170121 T09  0.1+  0.1+

Ephemeris:
2015 DQ248               a,e,i = 67.67, 0.48, 32                 q = 35.1248
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 01 30    10 38 57.5 +01 14 54  34.2877 35.1249   147.8     0.9    24.0
...
2024 02 14    10 37 48.0 +01 23 35  34.1814 35.1250   162.6     0.5    23.9
...
2024 02 22    10 37 08.0 +01 28 51  34.1514 35.1250   169.7     0.3    23.9
...
2024 02 28    10 36 37.5 +01 33 01  34.1416 35.1250   173.1     0.2    23.9
2024 02 29    10 36 32.4 +01 33 44  34.1411 35.1250   173.3     0.2    23.9
2024 03 01    10 36 27.3 +01 34 26  34.1408 35.1250   173.3     0.2    23.9
...
2024 03 07    10 35 57.0 +01 38 46  34.1456 35.1251   170.6     0.3    23.9
...
2024 03 15    10 35 17.6 +01 44 38  34.1690 35.1251   163.8     0.5    23.9
...
2024 03 30    10 34 10.6 +01 55 33  34.2624 35.1253   149.4     0.8    24.0

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-D146





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