🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.5

Radius: 8.4

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.73 AU - 0.75 AU

Year: 432 Days

Day: 9.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,860,529 km

• M1: 111,899 km (0.028 R)
• M2: 391,797 km (0.109 R)
• M3: 810,671 km (0.092 R)
• M4: 1,263,504 km (0.102 R)
• M5: 1,811,780 km (0.049 R)
• M6: 2,307,846 km (0.07 R)
• M7: 2,901,600 km (0.11 R)
• M8: 4,377,832 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.7

Radius: 10.9

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.26 AU - 1.44 AU

Year: 1064 Days

Day: 12.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,860,529 km

• M1: 135,536 km (0.118 R)
• M2: 663,766 km (0.067 R)
• M3: 1,063,790 km (0.05 R)
• M4: 1,465,311 km (0.092 R)
• M5: 1,878,949 km (0.12 R)
• M6: 2,428,721 km (0.086 R)
• M7: 3,385,849 km (0.077 R)
• M8: 5,169,803 km (0.102 R)
• M9: 5,877,102 km (0.099 R)
• M10: 6,299,716 km (0.097 R)
• M11: 6,983,977 km (0.115 R)
• M12: 7,433,219 km (0.072 R)
• M13: 7,848,652 km (0.12 R)
• M14: 8,613,097 km (0.118 R)
• M15: 9,851,768 km (0.081 R)
• M16: 11,649,037 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.1

Radius: 12.7

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.05 AU - 2.27 AU

Year: 2153 Days

Day: 10.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,860,529 km

• M1: 157,975 km (0.04 R)
• M2: 742,305 km (0.111 R)
• M3: 1,218,175 km (0.104 R)
• M4: 2,401,794 km (0.081 R)
• M5: 3,427,287 km (0.076 R)
• M6: 5,054,164 km (0.116 R)
• M7: 7,005,818 km (0.079 R)
• M8: 8,532,763 km (0.068 R)
• M9: 9,275,218 km (0.091 R)
• M10: 10,240,872 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.2

Radius: 12.3

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.23 AU - 5.89 AU

Year: 8892 Days

Day: 13.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,860,529 km

• M1: 155,582 km (0.102 R)
• M2: 714,180 km (0.105 R)
• M3: 1,898,098 km (0.104 R)
• M4: 3,093,235 km (0.096 R)
• M5: 4,120,524 km (0.103 R)
• M6: 4,737,465 km (0.117 R)
• M7: 5,208,100 km (0.107 R)
• M8: 6,272,489 km (0.078 R)
• M9: 12,471,825 km (0.077 R)
• M10: 18,602,046 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.6

Radius: 4.5

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.16 AU - 9.04 AU

Year: 17106 Days

Day: 17.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,860,529 km

• M1: 55,950 km (0.115 R)
• M2: 427,850 km (0.069 R)
• M3: 782,247 km (0.112 R)
• M4: 1,063,790 km (0.113 R)
• M5: 2,821,416 km (0.104 R)
• M6: 2,966,975 km (0.069 R)
• M7: 4,291,664 km (0.086 R)
• M8: 8,499,553 km (0.114 R)
• M9: 9,574,413 km (0.06 R)
• M10: 12,539,892 km (0.064 R)
• M11: 15,802,921 km (0.041 R)
• M12: 16,065,016 km (0.089 R)
• M13: 17,211,385 km (0.101 R)
• M14: 21,054,704 km (0.057 R)
• M15: 23,598,167 km (0.072 R)
• M16: 33,293,754 km (0.103 R)
• M17: 36,615,126 km (0.105 R)
• M18: 38,473,730 km (0.098 R)
• M19: 39,426,220 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.7

Radius: 4

Gravity: 35.23 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 8.81 AU - 9.09 AU

Year: 18160 Days

Day: 18.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,860,529 km

• M1: 50,115 km (0.117 R)
• M2: 206,894 km (0.119 R)
• M3: 344,374 km (0.08 R)
• M4: 568,322 km (0.088 R)
• M5: 905,815 km (0.12 R)
• M6: 1,197,082 km (0.064 R)
• M7: 1,548,039 km (0.054 R)
• M8: 3,433,870 km (0.116 R)
• M9: 3,629,693 km (0.103 R)
• M10: 4,688,248 km (0.117 R)
• M11: 4,929,250 km (0.102 R)
• M12: 5,740,968 km (0.088 R)
• M13: 7,438,455 km (0.118 R)
• M14: 7,766,523 km (0.118 R)
• M15: 8,351,152 km (0.093 R)
• M16: 8,603,074 km (0.093 R)
• M17: 9,228,693 km (0.102 R)
• M18: 11,657,564 km (0.047 R)
• M19: 12,036,046 km (0.079 R)
• M20: 13,152,944 km (0.078 R)
• M21: 13,356,846 km (0.109 R)
• M22: 13,911,256 km (0.084 R)
• M23: 16,360,921 km (0.083 R)
• M24: 22,285,146 km (0.026 R)
• M25: 22,672,455 km (0.055 R)
• M26: 29,032,160 km (0.075 R)
• M27: 35,819,415 km (0.107 R)
• M28: 37,022,032 km (0.071 R)
• M29: 41,515,952 km (0.073 R)
• M30: 41,661,960 km (0.054 R)
• M31: 53,616,326 km (0.119 R)
• M32: 54,136,926 km (0.11 R)
• M33: 54,485,938 km (0.118 R)
• M34: 55,364,826 km (0.085 R)
• M35: 57,331,589 km (0.117 R)
• M36: 58,058,186 km (0.112 R)
• M37: 58,423,803 km (0.052 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 14,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit