2197 Shanghai

2197 Shanghai
Discovery [1]
Discovered byPurple Mountain Obs.
Discovery sitePurple Mountain Obs.
Discovery date30 December 1965
Designations
(2197) Shanghai
Named after
Shanghai (Chinese city)[2]
1965 YN · 1942 VN
1955 DA · 1964 UN
1967 JT · 1975 SD
main-belt · Themis [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc62.10 yr (22,682 days)
Aphelion3.5508 AU
Perihelion2.7595 AU
3.1551 AU
Eccentricity0.1254
5.60 yr (2,047 days)
60.923°
0° 10m 33.24s / day
Inclination2.4980°
56.369°
70.991°
Physical characteristics
Dimensions20.198±0.136 km[1][4]
20.20±0.14 km[3][4]
22.23 km (derived)[3]
23.88±0.70 km[5]
5.9384±0.0023 h[6]
5.99±0.05 h[7]
0.0898 (derived)[3]
0.106±0.007[5]
0.119±0.014[4]
C [3]
11.20[5] · 11.40[4] · 11.304±0.001 (R)[6] · 11.5[1][3] · 11.54±0.19[8]

2197 Shanghai, provisional designation 1965 YN, is a carbonaceous Themistian asteroid from the outer region of the asteroid belt, approximately 22 kilometers in diameter.

The asteroid was discovered on 30 December 1965, by astronomers at the Purple Mountain Observatory in Nanjing, China, and named after the city of Shanghai.[2][9]

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  4. ^ a b c d Cite error: The named reference Masiero-2012 was invoked but never defined (see the help page).
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  6. ^ a b Cite error: The named reference Waszczak-2015 was invoked but never defined (see the help page).
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  9. ^ Cite error: The named reference MPC-Shanghai was invoked but never defined (see the help page).