🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.52 AU - 0.68 AU

Year: 162 Days

Day: 12.4 Hours

Environment

Temp: 179 °C

Axial Tilt: 24.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.91 AU - 1.51 AU

Year: 464 Days

Day: 22 Hours

Environment

Temp: 36 °C

Axial Tilt: 38.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.03 AU - 3.37 AU

Year: 1545 Days

Day: 36.1 Hours

Environment

Temp: -86 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 16.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.6

Radius: 4.4

Gravity: 39.03 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 14.54 AU - 18.28 AU

Year: 23150 Days

Day: 18.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 79,431,634 km

• M1: 59,540 km (0.071 R)
• M2: 197,020 km (0.077 R)
• M3: 389,852 km (0.115 R)
• M4: 559,795 km (0.051 R)
• M5: 1,054,515 km (0.104 R)
• M6: 1,282,353 km (0.068 R)
• M7: 2,278,376 km (0.111 R)
• M8: 2,416,754 km (0.074 R)
• M9: 4,695,877 km (0.092 R)
• M10: 5,474,384 km (0.084 R)
• M11: 5,980,773 km (0.091 R)
• M12: 8,819,842 km (0.053 R)
• M13: 10,881,749 km (0.114 R)
• M14: 12,024,078 km (0.104 R)
• M15: 12,660,019 km (0.118 R)
• M16: 13,318,250 km (0.075 R)
• M17: 14,544,204 km (0.11 R)
• M18: 14,782,214 km (0.071 R)
• M19: 20,797,694 km (0.082 R)
• M20: 23,189,016 km (0.089 R)
• M21: 25,872,952 km (0.092 R)
• M22: 26,339,547 km (0.05 R)
• M23: 27,894,767 km (0.072 R)
• M24: 28,881,515 km (0.118 R)
• M25: 32,518,837 km (0.091 R)
• M26: 33,062,177 km (0.047 R)
• M27: 33,473,571 km (0.113 R)
• M28: 33,749,728 km (0.074 R)
• M29: 41,634,583 km (0.112 R)
• M30: 44,902,848 km (0.049 R)
• M31: 50,300,040 km (0.114 R)
• M32: 51,944,270 km (0.057 R)
• M33: 58,279,740 km (0.096 R)
• M34: 60,092,866 km (0.066 R)
• M35: 64,469,053 km (0.029 R)
• M36: 73,848,989 km (0.071 R)
• M37: 82,077,021 km (0.054 R)
• M38: 82,830,995 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 20.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.1

Radius: 6

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 19.23 AU - 21.69 AU

Year: 32229 Days

Day: 24.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 79,431,634 km

• M1: 75,098 km (0.03 R)
• M2: 337,194 km (0.059 R)
• M3: 719,117 km (0.038 R)
• M4: 1,602,193 km (0.117 R)
• M5: 2,874,972 km (0.088 R)
• M6: 3,305,066 km (0.11 R)
• M7: 3,746,379 km (0.099 R)
• M8: 4,394,737 km (0.111 R)
• M9: 5,828,931 km (0.075 R)
• M10: 8,156,973 km (0.074 R)
• M11: 8,850,808 km (0.085 R)
• M12: 9,072,064 km (0.088 R)
• M13: 9,758,120 km (0.059 R)
• M14: 10,294,877 km (0.085 R)
• M15: 12,779,847 km (0.12 R)
• M16: 13,422,220 km (0.105 R)
• M17: 15,319,121 km (0.115 R)
• M18: 19,171,266 km (0.079 R)
• M19: 19,729,266 km (0.065 R)
• M20: 22,993,342 km (0.109 R)
• M21: 24,049,354 km (0.088 R)
• M22: 27,645,537 km (0.111 R)
• M23: 30,819,106 km (0.075 R)
• M24: 34,636,096 km (0.097 R)
• M25: 35,881,947 km (0.063 R)
• M26: 37,014,104 km (0.079 R)
• M27: 39,052,375 km (0.064 R)
• M28: 42,092,203 km (0.087 R)
• M29: 43,034,071 km (0.118 R)
• M30: 45,614,186 km (0.115 R)
• M31: 46,441,163 km (0.032 R)
• M32: 55,081,188 km (0.107 R)
• M33: 58,506,381 km (0.089 R)
• M34: 59,482,357 km (0.086 R)
• M35: 70,944,845 km (0.108 R)
• M36: 74,536,391 km (0.106 R)
• M37: 78,247,166 km (0.082 R)
• M38: 78,483,082 km (0.106 R)
• M39: 79,193,822 km (0.099 R)

Kuiper Belt

Range: 31.5 - 61.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 13,904 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit