🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.41 AU - 0.61 AU

Year: 135 Days

Day: 38.2 Hours

Environment

Temp: 227 °C

Axial Tilt: 14.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.49 AU - 0.65 AU

Year: 160 Days

Day: 20 Hours

Environment

Temp: 161 °C

Axial Tilt: 145.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.47 AU - 0.79 AU

Year: 185 Days

Day: 13 Hours

Environment

Temp: 137 °C

Axial Tilt: 20.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.32 AU - 1.7 AU

Year: 688 Days

Day: 34 Hours

Environment

Temp: -53 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 23,859,888 km

• M1: 153,787 km (0.04 R)
• M2: 1,158,785 km (0.074 R)

Asteroid Belt

Center: 3.22 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.8

Radius: 9.1

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.39 AU - 5.47 AU

Year: 4060 Days

Day: 13.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,859,888 km

• M1: 113,246 km (0.116 R)
• M2: 521,498 km (0.052 R)
• M3: 871,557 km (0.09 R)
• M4: 1,198,578 km (0.098 R)
• M5: 1,741,918 km (0.112 R)
• M6: 2,189,664 km (0.111 R)
• M7: 3,537,690 km (0.083 R)
• M8: 4,132,791 km (0.093 R)
• M9: 4,773,369 km (0.104 R)
• M10: 5,810,980 km (0.104 R)
• M11: 7,199,398 km (0.113 R)
• M12: 7,985,086 km (0.108 R)
• M13: 8,917,230 km (0.116 R)
• M14: 9,662,526 km (0.102 R)
• M15: 9,952,597 km (0.116 R)
• M16: 11,136,215 km (0.063 R)
• M17: 12,185,794 km (0.099 R)
• M18: 12,753,966 km (0.112 R)
• M19: 13,103,427 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.7

Radius: 11.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.34 AU - 6.32 AU

Year: 4563 Days

Day: 9.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,859,888 km

• M1: 143,315 km (0.118 R)
• M2: 783,444 km (0.114 R)
• M3: 1,195,137 km (0.092 R)
• M4: 1,683,724 km (0.049 R)
• M5: 2,218,985 km (0.095 R)
• M6: 2,967,573 km (0.099 R)
• M7: 3,420,406 km (0.103 R)
• M8: 3,961,202 km (0.044 R)
• M9: 4,420,617 km (0.07 R)
• M10: 5,343,038 km (0.099 R)
• M11: 7,276,141 km (0.118 R)
• M12: 7,766,074 km (0.031 R)
• M13: 10,595,269 km (0.057 R)
• M14: 12,059,832 km (0.053 R)
• M15: 15,706,879 km (0.116 R)
• M16: 16,471,324 km (0.111 R)
• M17: 16,919,070 km (0.101 R)
• M18: 17,897,740 km (0.109 R)
• M19: 20,157,864 km (0.097 R)
• M20: 20,735,162 km (0.1 R)
• M21: 21,323,531 km (0.077 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 14,298 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit