🌌 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: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.53 AU - 0.77 AU

Year: 344 Days

Day: 41.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 69,969,829 km

• M1: 450,589 km (0.071 R)
• M2: 564,433 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.2

Radius: 9.1

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.11 AU - 1.29 AU

Year: 862 Days

Day: 6.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 79.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,969,829 km

• M1: 113,395 km (0.108 R)
• M2: 414,536 km (0.11 R)
• M3: 808,726 km (0.036 R)
• M4: 1,120,638 km (0.096 R)
• M5: 2,037,972 km (0.094 R)
• M6: 2,321,011 km (0.08 R)
• M7: 2,890,231 km (0.059 R)
• M8: 3,447,782 km (0.091 R)
• M9: 3,745,033 km (0.082 R)
• M10: 4,189,788 km (0.111 R)
• M11: 6,620,603 km (0.113 R)
• M12: 6,941,341 km (0.077 R)
• M13: 7,368,892 km (0.109 R)
• M14: 7,713,565 km (0.091 R)
• M15: 9,061,293 km (0.091 R)
• M16: 9,835,162 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.6

Radius: 14.4

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.09 AU - 4.45 AU

Year: 4802 Days

Day: 12.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,969,829 km

• M1: 179,069 km (0.094 R)
• M2: 820,395 km (0.063 R)
• M3: 2,048,892 km (0.039 R)
• M4: 2,609,136 km (0.103 R)
• M5: 3,869,199 km (0.115 R)
• M6: 8,779,151 km (0.102 R)
• M7: 9,471,340 km (0.096 R)
• M8: 10,731,852 km (0.116 R)
• M9: 12,654,933 km (0.092 R)
• M10: 14,750,500 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.1

Radius: 7.2

Gravity: 15.43 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.87 AU - 6.19 AU

Year: 9714 Days

Day: 21.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,969,829 km

• M1: 90,058 km (0.084 R)
• M2: 580,739 km (0.088 R)
• M3: 918,681 km (0.086 R)
• M4: 1,605,036 km (0.104 R)
• M5: 2,101,401 km (0.094 R)
• M6: 3,252,557 km (0.092 R)
• M7: 4,129,649 km (0.096 R)
• M8: 5,555,167 km (0.084 R)
• M9: 6,341,753 km (0.098 R)
• M10: 6,606,990 km (0.095 R)
• M11: 8,538,448 km (0.104 R)
• M12: 9,436,185 km (0.116 R)
• M13: 11,088,194 km (0.05 R)
• M14: 11,698,105 km (0.106 R)
• M15: 13,228,341 km (0.046 R)
• M16: 14,041,406 km (0.086 R)
• M17: 15,767,017 km (0.104 R)
• M18: 16,609,253 km (0.088 R)
• M19: 18,536,223 km (0.086 R)
• M20: 19,394,766 km (0.102 R)
• M21: 22,740,372 km (0.067 R)
• M22: 23,005,909 km (0.109 R)
• M23: 26,257,418 km (0.113 R)
• M24: 30,655,745 km (0.114 R)
• M25: 32,076,327 km (0.057 R)
• M26: 32,859,172 km (0.073 R)
• M27: 36,359,014 km (0.112 R)
• M28: 38,951,695 km (0.094 R)
• M29: 39,331,973 km (0.091 R)
• M30: 45,335,485 km (0.089 R)
• M31: 46,321,185 km (0.058 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.3

Radius: 7.9

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.76 AU - 6.44 AU

Year: 9883 Days

Day: 15.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,969,829 km

• M1: 98,286 km (0.084 R)
• M2: 543,040 km (0.071 R)
• M3: 3,113,431 km (0.059 R)
• M4: 4,780,699 km (0.049 R)
• M5: 5,117,893 km (0.11 R)
• M6: 6,517,231 km (0.113 R)
• M7: 7,774,003 km (0.048 R)
• M8: 8,548,322 km (0.099 R)
• M9: 9,325,632 km (0.09 R)
• M10: 11,126,342 km (0.109 R)
• M11: 11,665,193 km (0.027 R)
• M12: 16,619,575 km (0.104 R)
• M13: 17,394,941 km (0.085 R)
• M14: 18,342,195 km (0.119 R)
• M15: 20,259,740 km (0.087 R)
• M16: 23,864,152 km (0.106 R)
• M17: 24,578,781 km (0.088 R)
• M18: 25,124,214 km (0.11 R)
• M19: 26,808,686 km (0.05 R)
• M20: 27,289,644 km (0.077 R)
• M21: 32,420,551 km (0.091 R)
• M22: 32,747,423 km (0.107 R)
• M23: 33,076,538 km (0.072 R)
• M24: 37,677,271 km (0.105 R)
• M25: 38,768,139 km (0.084 R)
• M26: 40,885,996 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.8

Radius: 6.1

Gravity: 25.79 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 7.2 AU - 8.84 AU

Year: 14899 Days

Day: 22.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,969,829 km

• M1: 75,846 km (0.107 R)
• M2: 280,197 km (0.037 R)
• M3: 532,868 km (0.089 R)
• M4: 809,923 km (0.095 R)
• M5: 1,234,781 km (0.107 R)
• M6: 1,593,816 km (0.116 R)
• M7: 2,633,521 km (0.05 R)
• M8: 2,921,048 km (0.08 R)
• M9: 3,229,369 km (0.11 R)
• M10: 5,254,176 km (0.032 R)
• M11: 5,555,766 km (0.099 R)
• M12: 8,399,920 km (0.088 R)
• M13: 9,347,324 km (0.084 R)
• M14: 10,959,839 km (0.068 R)
• M15: 13,363,428 km (0.099 R)
• M16: 15,022,469 km (0.105 R)
• M17: 17,139,877 km (0.076 R)
• M18: 17,552,617 km (0.089 R)
• M19: 21,380,976 km (0.077 R)
• M20: 21,955,881 km (0.118 R)
• M21: 22,149,910 km (0.06 R)
• M22: 29,327,167 km (0.115 R)
• M23: 31,000,568 km (0.118 R)
• M24: 34,930,355 km (0.055 R)
• M25: 35,194,844 km (0.087 R)
• M26: 35,861,602 km (0.119 R)
• M27: 38,613,155 km (0.05 R)
• M28: 39,322,399 km (0.081 R)
• M29: 43,151,207 km (0.111 R)
• M30: 44,532,294 km (0.063 R)
• M31: 50,352,250 km (0.068 R)
• M32: 50,689,593 km (0.106 R)
• M33: 63,866,173 km (0.113 R)
• M34: 65,057,272 km (0.053 R)
• M35: 65,658,356 km (0.026 R)
• M36: 66,668,291 km (0.118 R)
• M37: 68,512,234 km (0.106 R)
• M38: 69,342,652 km (0.03 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 11,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit