🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.57 AU - 0.73 AU

Year: 344 Days

Day: 34 Hours

Environment

Temp: -132 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.8

Radius: 9.6

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.29 AU - 1.35 AU

Year: 995 Days

Day: 7.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 15,504,742 km

• M1: 119,529 km (0.044 R)
• M2: 430,243 km (0.098 R)
• M3: 734,974 km (0.064 R)
• M4: 1,099,096 km (0.052 R)
• M5: 1,492,837 km (0.095 R)
• M6: 1,844,243 km (0.096 R)
• M7: 2,154,359 km (0.116 R)
• M8: 2,558,872 km (0.116 R)
• M9: 3,121,659 km (0.119 R)
• M10: 3,749,671 km (0.07 R)
• M11: 4,135,334 km (0.054 R)
• M12: 4,601,032 km (0.089 R)
• M13: 5,197,778 km (0.107 R)
• M14: 5,535,420 km (0.052 R)
• M15: 6,298,968 km (0.112 R)
• M16: 7,083,010 km (0.087 R)
• M17: 7,674,670 km (0.099 R)
• M18: 8,623,569 km (0.094 R)
• M19: 9,443,216 km (0.077 R)
• M20: 10,007,798 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.1

Radius: 12

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.67 AU - 1.99 AU

Year: 1624 Days

Day: 12.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 15,504,742 km

• M1: 153,188 km (0.115 R)
• M2: 581,337 km (0.08 R)
• M3: 986,448 km (0.06 R)
• M4: 1,512,584 km (0.098 R)
• M5: 2,335,223 km (0.04 R)
• M6: 2,841,163 km (0.05 R)
• M7: 4,325,024 km (0.051 R)
• M8: 4,813,461 km (0.03 R)
• M9: 5,805,145 km (0.102 R)
• M10: 6,766,910 km (0.088 R)
• M11: 7,484,232 km (0.077 R)
• M12: 8,039,988 km (0.096 R)
• M13: 9,168,704 km (0.099 R)
• M14: 10,944,580 km (0.093 R)
• M15: 12,490,225 km (0.063 R)
• M16: 12,939,617 km (0.116 R)
• M17: 13,784,546 km (0.087 R)
• M18: 14,620,948 km (0.1 R)
• M19: 15,584,358 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.9

Radius: 10.6

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.02 AU - 2.36 AU

Year: 2126 Days

Day: 10.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 15,504,742 km

• M1: 132,693 km (0.108 R)
• M2: 495,169 km (0.075 R)
• M3: 849,118 km (0.076 R)
• M4: 1,191,397 km (0.093 R)
• M5: 1,618,350 km (0.12 R)
• M6: 2,280,919 km (0.113 R)
• M7: 2,759,931 km (0.084 R)
• M8: 3,115,824 km (0.065 R)
• M9: 3,485,630 km (0.089 R)
• M10: 3,884,907 km (0.072 R)
• M11: 4,373,195 km (0.1 R)
• M12: 4,986,845 km (0.12 R)
• M13: 5,917,643 km (0.061 R)
• M14: 6,617,312 km (0.053 R)
• M15: 7,122,803 km (0.063 R)
• M16: 8,763,892 km (0.071 R)
• M17: 9,706,658 km (0.041 R)
• M18: 11,116,019 km (0.12 R)
• M19: 11,488,817 km (0.116 R)
• M20: 12,259,396 km (0.098 R)
• M21: 13,022,943 km (0.115 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 16,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit