🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.3

Radius: 11.3

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.93 AU - 1.07 AU

Year: 646 Days

Day: 6.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,970,102 km

• M1: 153,338 km (0.118 R)
• M2: 850,464 km (0.069 R)
• M3: 1,241,662 km (0.077 R)
• M4: 1,923,230 km (0.117 R)
• M5: 2,840,415 km (0.113 R)
• M6: 3,664,549 km (0.114 R)
• M7: 4,097,785 km (0.057 R)
• M8: 5,469,149 km (0.031 R)
• M9: 6,663,538 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.8

Radius: 8.8

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.05 AU - 1.15 AU

Year: 745 Days

Day: 7.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,970,102 km

• M1: 109,805 km (0.113 R)
• M2: 525,388 km (0.118 R)
• M3: 860,487 km (0.092 R)
• M4: 1,174,194 km (0.083 R)
• M5: 1,711,250 km (0.076 R)
• M6: 2,698,446 km (0.079 R)
• M7: 3,621,914 km (0.119 R)
• M8: 4,442,907 km (0.08 R)
• M9: 5,191,645 km (0.073 R)
• M10: 5,853,017 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.2

Radius: 11.1

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.39 AU - 1.51 AU

Year: 1127 Days

Day: 9.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 32,970,102 km

• M1: 140,024 km (0.092 R)
• M2: 583,581 km (0.113 R)
• M3: 2,739,586 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.1

Radius: 8.5

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.86 AU - 2.66 AU

Year: 2194 Days

Day: 8.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 32,970,102 km

• M1: 147,504 km (0.102 R)
• M2: 529,427 km (0.11 R)
• M3: 1,661,135 km (0.096 R)
• M4: 3,520,487 km (0.069 R)
• M5: 6,088,185 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.4

Radius: 13

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.62 AU - 5.7 AU

Year: 6495 Days

Day: 13.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,970,102 km

• M1: 161,865 km (0.11 R)
• M2: 829,221 km (0.059 R)
• M3: 1,236,726 km (0.027 R)
• M4: 1,730,997 km (0.09 R)
• M5: 2,153,162 km (0.058 R)
• M6: 3,589,751 km (0.083 R)
• M7: 4,412,090 km (0.062 R)
• M8: 4,855,049 km (0.118 R)
• M9: 5,679,932 km (0.106 R)
• M10: 6,865,645 km (0.083 R)
• M11: 7,756,051 km (0.093 R)
• M12: 8,171,484 km (0.078 R)
• M13: 8,681,763 km (0.11 R)
• M14: 9,381,282 km (0.055 R)
• M15: 10,846,145 km (0.106 R)
• M16: 12,407,348 km (0.1 R)
• M17: 14,506,954 km (0.092 R)
• M18: 15,851,091 km (0.11 R)
• M19: 16,708,885 km (0.039 R)
• M20: 17,662,123 km (0.036 R)
• M21: 18,383,933 km (0.08 R)
• M22: 19,956,655 km (0.104 R)
• M23: 21,395,787 km (0.07 R)
• M24: 22,825,942 km (0.03 R)
• M25: 25,876,243 km (0.086 R)
• M26: 27,761,176 km (0.114 R)
• M27: 31,325,196 km (0.097 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 13,150 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit