Comet P/2017 D4 (Panstarrs)
Abstract
The available astrometry (spanning Jan. 20-Feb. 28), the following elliptical orbital elements by G. V. Williams, and an ephemeris appear on MPEC 2017-E07. Epoch = 2016 Sept. 9.0 TT T = 2016 Sept. 6.51985 TT Peri. = 209.74184 e = 0.6289590 Node = 266.11097 2000.0 q = 2.7536698 AU Incl. = 10.33994 a = 7.4214697 AU n = 0.04874939 P = 20.22 years
- Publication:
-
Central Bureau Electronic Telegrams
- Pub Date:
- March 2017
- Bibcode:
- 2017CBET.4368....3W