Mars'a 30 Ocak 2008'de çarpma ihtimali olan 2007 WD5'in çarpışma ihtimalinin %1.3'den %3,9'a yükseldiği duyuruldu...
Yukarıdaki fotoğraf üzerindeki sarı noktalar, asteroidin olası geçiş yörüngelerini gösteriyor...
Aşağıda Asteroidin, NASA-Horizons Telnet verileri,
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JPL/HORIZONS (2007 WD5) 2007-Dec-29 10:01:35
Rec #:621485 (+COV) Soln.date: 2007-Dec-23_00:50:04 # obs: 28 (41 days)
FK5/J2000.0 helio. ecliptic osc. elements (AU, DAYS, DEG, period=Julian yrs):
EPOCH= 2454431.5 ! 2007-Nov-27.00 (CT) Residual RMS= .35896
EC= .6031009352726875 QR= 1.010155003295337 TP= 2454392.142274315
OM= 67.42404014372634 W= 312.8196275090241 IN= 2.377548939168334
A= 2.545118124653075 MA= 9.553712166774948 ADIST= 4.080081246010813
PER= 4.06041 N= .242740453 ANGMOM= .02189051
DAN= 1.14856 DDN= 2.74436 L= 20.2682688
B= -1.7436939 TP= 2007-Oct-18.6422743
Physical parameters (KM, SEC, rotational period in hours):
GM= n.a. RAD= n.a. ROTPER= n.a.
H= 24.283 G= .150 B-V= n.a.
ALBEDO= n.a. STYP= n.a.
ASTEROID comments:
1: soln ref.= JPL#6, OCC=7
2: source=ORB
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JPL/HORIZONS (2007 WD5) 2007-Dec-29 10:01:35
Rec #:621485 (+COV) Soln.date: 2007-Dec-23_00:50:04 # obs: 28 (41 days)
FK5/J2000.0 helio. ecliptic osc. elements (AU, DAYS, DEG, period=Julian yrs):
EPOCH= 2454431.5 ! 2007-Nov-27.00 (CT) Residual RMS= .35896
EC= .6031009352726875 QR= 1.010155003295337 TP= 2454392.142274315
OM= 67.42404014372634 W= 312.8196275090241 IN= 2.377548939168334
A= 2.545118124653075 MA= 9.553712166774948 ADIST= 4.080081246010813
PER= 4.06041 N= .242740453 ANGMOM= .02189051
DAN= 1.14856 DDN= 2.74436 L= 20.2682688
B= -1.7436939 TP= 2007-Oct-18.6422743
Physical parameters (KM, SEC, rotational period in hours):
GM= n.a. RAD= n.a. ROTPER= n.a.
H= 24.283 G= .150 B-V= n.a.
ALBEDO= n.a. STYP= n.a.
ASTEROID comments:
1: soln ref.= JPL#6, OCC=7
2: source=ORB
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Kaynak : NASA