44 citations · 48 across the 8 of their papers we have counts for
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Kepler's Constant and WDS Orbit
S. Siregar, R. N. Pratama
The aim of this work are to find a Kepler's constant by using polynomial regression of the angular separation ρ= ρ(t) and the position angle θ= θ(t). The Kepler's constant obtained…
Migration of Near Earth Asteroid to Jovian-Crosser Asteroid:Case Study 3552 Don Quixote
Suryadi Siregar
It is generally recognized that main-belt asteroids (MBAs) and nuclei of extinct comets are the two main sources for the Near-Earth-Asteroids (NEAs). Theoretical studies of NEAs dy…
Prospects of Application of Semi-Definite Programming to Determine Orbital Parameters of the Binary Systems Observed at Bosscha Observatory
Budi Dermawan, Moch. Irfan, Suryadi Siregar +3
Most methods of orbit determination are often difficult for numerical implementations since they are developed before the computer era. The recently developed mathematical techniqu…
On the Orbit of Visual Binary ADS 8119 AB (α = 11h18m10s.9 and δ=+31o31'44".9)
S. Siregar, D. Hadi Nugroho
Xi UrsaMajoris (ξ Uma) historically is one of the most important double star inconstellation Ursa Major, found by Sir William Herschel on May, 2, 1780 and the first binary successf…