Table 5.

The D/H ratios of water in Oort Cloud (OCC) and Jupiter Family (JFC) comets. The estimated D/H ratios for the solar nebula, bulk Earth and water in Enceladus are also provided for comparison.

	D/H	Ref.
OCCs
1P/Halley	3.16±0.34×10−4	1
1P/Halley	2.12×10−4	2
C/1996 B2 Hyakutake	2.90±1.0×10−4	3
C/1995 O1 Hale-Bopp	3.30±0.8×10−4	4
C/2002 T7 LINEAR	2.50±0.4×10−4	5
8P/Tuttle	4.09±1.45×10−4	6
C/2009 P1 Garradd	2.06±0.22×10−4	7
C/2001 Q4 Neat	4.60±1.4×10−4	8
153P/Ikeya-Zhang	<2.50×10−4	9
C/2014 Q2 Lovejoy	1.40±0.4×10−4	10
C/2012 F6 Lemmon	6.50±1.6×10−4	10
JFCs
103P/Hartley 2	1.61±0.24×10−4	11
67P/Churyumov-Gerasimenko	5.30±0.7×10−4	12
45P/Honda-Mrkos-Pajdušáková	<2.00×10−4	13
Other
Solar	2.1±0.5×10−5	14
Earth	1.49±0.03×10−4	15
Angrites	1.53±0.04×10−4	16
Vesta	1.40±0.14×10−4	17
Enceladus	2.9+1.5/−0.7×10−4	18
Titan (CH4)	1.59±0.33×10−4	19

¹Eberhardt et al. (1995).

²Brown et al. (2012).

³Bockelée-Morvan et al. (1998).

⁴Meier et al. (1998b).

⁵Hutsemékers et al. (2008).

⁶Villanueva et al. (2009).

⁷Bockelée-Morvan et al. (2012).

⁸Altwegg et al. (2015).

⁹Biver et al. (2006).

¹⁰Biver et al. (2016).

¹¹Hartogh et al. (2011).

¹²Altwegg et al. (2015).

¹³Lis et al. (2013).

¹⁴Geiss and Gloeckler (1998).

¹⁵Lécuyer et al. (1998).

¹⁶Sarafian et al. (2016).

¹⁷Sarafian et al. (2014); Barrett et al. (2016).

¹⁸Waite Jr et al. (2009).

¹⁹Nixon et al. (2012).