Orbit, emission spectrum, and photometric analysis of two flickering sporadic fireballs

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Table 5

Derived elemental abundances relative to Si of the two fireballs discussed here compared with the inferred for other solar system undifferentiated materials.

	Mg	Na	Ca	Ni × 10^-3	Mn × 10^-4	N (cm^-2)	T (K)

SPMN210712 “Fuencaliente”	0.90	0.025	0.045	42	78	10¹⁵	4800
SPMN291212 “Sevilla”	1.05	0.055	0.014	30	92	5 × 10¹⁴	4600
1P/Halley	0.54	0.054	0.034	22	30	−	−
IDPs	0.85	0.085	0.048	37	150	−	−
CI chondrites	1.06	0.060	0.071	51	90	−	−
CM chondrites	1.04	0.035	0.072	46	60	−	−

Reference. Jessberger et al. (1988); Rietmeijer & Nuth (2000); Rietmeijer (2002); Trigo-Rodríguez (2002); Trigo-Rodríguez et al. (2003).

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