1669 Dagmar

1669 Dagmar
Discovery[1]
Discovered byK. Reinmuth
Discovery siteHeidelberg Obs.
Discovery date7 September 1934
Designations
(1669) Dagmar
Named after
Generic name
(common German name)[2]
1934 RS · 1943 GE
1950 PX · 1953 AD
1957 WA · 1959 CV
1962 RH
main-belt · Themis[3]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc82.66 yr (30,190 days)
Aphelion3.4870 AU
Perihelion2.7920 AU
3.1395 AU
Eccentricity0.1107
5.56 yr (2,032 days)
126.58°
0° 10m 37.92s / day
Inclination0.9409°
18.979°
178.21°
Physical characteristics
Dimensions35.78±2.4 km (IRAS:17)[4]
42.377±0.188 km[5]
42.99±2.86 km[6]
43.00±0.77 km[7]
45.194±0.620 km[8]
Mass(3.98±0.80)×1016 kg[6]
Mean density
0.95±0.27 g/cm3[6]
12 h[9]
0.0354±0.0061[8]
0.039±0.007[5][7]
0.0565±0.008 (IRAS:17)[4]
Tholen = G:[1] · G:[3]
B–V = 0.730[1]
U–B = 0.460[1]
10.91±0.18[10] · 10.97 (IRAS:17)[1][3][4] · 10.97[7][8]

1669 Dagmar, provisional designation 1934 RS, is a rare-type Themistian asteroid from the outer region of the asteroid belt, approximately 42 kilometers in diameter. It was discovered on 7 September 1934, by German astronomer Karl Reinmuth at Heidelberg Observatory in southern Germany, and named after a common German feminine name.[2][11]

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  10. ^ Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  11. ^ Cite error: The named reference MPC-Dagmar was invoked but never defined (see the help page).