2623 Zech

2623 Zech
Discovery [1]
Discovered byK. Reinmuth
Discovery siteHeidelberg Obs.
Discovery date22 September 1919
Designations
(2623) Zech
Named after
Gert Zech
(ARI astronomer)[2]
A919 SA · 1963 RE
main-belt · (inner) [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc97.70 yr (35,684 days)
Aphelion2.7846 AU
Perihelion1.7243 AU
2.2545 AU
Eccentricity0.2352
3.39 yr (1,236 days)
324.18°
0° 17m 28.32s / day
Inclination4.0548°
349.11°
22.883°
Known satellites1[3][4][5]
Physical characteristics
Dimensions6.50 km (calculated)[3]
7.61 km (estimate)[5]
2.7401±0.0002 h[4]
0.20 (assumed)[3]
S [3][6]
13.13±0.59[6] · 13.3[1][3]

2623 Zech, provisional designation A919 SA, is a stony binary[4] asteroid from the inner regions of the asteroid belt, approximately 6.5 kilometers in diameter. It was discovered on 22 September 1919, by German astronomer Karl Reinmuth at Heidelberg Observatory in southwest Germany.[7] It was named after German ARI astronomer Gert Zech.[2]

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  6. ^ a b Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference MPC-Zech was invoked but never defined (see the help page).