public char getOrbitalLetter()
	{
		int oNum = getOrbitalNum();
		if(oNum == 2)
			return 's';
		else if(oNum == 6)
			return 'p';
		else if(oNum == 10)
			return 'd';
		else if(oNum == 14)
			return 'f';
		
		System.err.println("getOrbitalLetter - Orbital number is out of bounds");
		return '?';
	}