Table 1 Parameter setting.

From: Uncertainty analysis of initial orbit determination in the minimum radar admissible region

Target information

Value

Satellite name

COSMOS 2434 (GLONASS)

GPS_2R-21

STARLINK-1012

Norad ID

32,393

35,752

44,718

Epoch (UTCG)

10 Feb 2025

11:03:25.000

11 Feb 2025

04:05:53.000

11 Feb 2025

21:45:37.000

a/km

25505.684737

26559.554101

6928.019481

e

0.000832

0.005544

0.000625

i/°

64.230

55.946

53.132

Ω/°

208.140

46.586

148.292

w/°

82.615

74.987

84.057

f/°

195.110

28.040

237.920

Duration of observation arc /s

60

Angular observation error /°

0.05

Range observation error /m

30