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JN000222(Nikko Fireball)

（update February 27 2000)

Orbital data of JN000222 (2000.2.22 19h07m41s+-5s (JST))

observed at Hario st. by C.Shimoda and at Shiroisi by H.Inoue
measured and reduced by C.Shimoda and Y.Shiba
computed by K.Ohtsuka

2000 February 22.42200 UT

App. Rad.: RA 145.3ﾟ, Dec +6.6ﾟ (J2000), angleQ: 16.8ﾟ

Beg Point: λ 140ﾟ 32.16 E, φ 36ﾟ 39.05 N, H 90.8km
End Point: λ 139ﾟ 28.26 E, φ 36ﾟ 50.21 N, H 41.8km
angle ZR: 63.10ﾟ, Path Length: 109.8 km

V=21.7580 - 0.00001 exp (2.5934t)
　　0.1712 　0.00000

Corr. Rad.: RA 149.1ﾟ, Dec +3.3ﾟ (J2000)

VG: 18.32 km/sec
VH: 35.84 km/sec

q 0.661 AU ω 82.31ﾟ F 277.69ﾟ
e 0.621　 Ω 153.088ﾟ (J2000)
a 1.742 AU i 5.07ﾟ