Wash the asparagus, cut off the woody ends and cut the stalks in half lengthwise. Cook in boiling salted water for 5-8 minutes. Pour asparagus into a sieve and cool immediately in cold water. For the vinaigrette, whisk vinegar, salt, pepper, mustard and honey.
Add oil drop by drop. Peel and finely dice the onion. Stir cream, orange juice and onion into the vinaigrette. Carefully remove the lobster meat from the skin, wash and pat dry.
Arrange asparagus on plates, drizzle with vinaigrette. Arrange lobster pieces on the asparagus.