00028         C2017 03 27.42446 18 19 25.26 -13 52 00.0          11.3 R      H06

00028-Bellona-20170326-041041-060-T3
(28) Bellona – March 27, 2017

00028         C2017 04 28.68005 18 31 05.55 -12 30 52.2          13.7        Q62

00028-Bellona-20170428-021843-060-T13
(28) Bellona – April 28, 2017

00028         C2017 05 05.38292 18 30 34.67 -12 17 03.6          11.2 R      H06

00028-Bellona-20170504-031051-060-T3
(28) Bellona – May 5, 2017

00028         C2018 08 13.62465 23 11 11.55 -08 38 23.7          12.6        Q62

00028-Bellona-20180813-005857-060-T13
(28) Bellona – August 13, 2018

From these four observations, orbit calculated:

Perihelion 2020 Jun 6.320653 +/- 1.12 TT =  7:41:44 (JD 2459006.820653)
Epoch 2018 Aug 13.0 TT = JDT 2458343.5                        Find_Orb
M 218.58978 +/- 0.08
n   0.21318529 +/- 0.000254         Peri.  344.17178 +/- 0.052
a   2.77522297 +/- 0.00221          Node   144.30073 +/- 0.0043
e   0.1519706 +/- 0.000672          Incl.    9.43066 +/- 0.0018
P   4.62                   H  7.5   G  0.15   U  7.2 
q 2.35347065 +/- 0.00374    Q 3.19697530 +/- 0.000678
From 4 observations 2017 Mar. 27-2018 Aug. 13; mean residual 0".35