🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.1

Radius: 12.4

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.57 AU - 0.65 AU

Year: 318 Days

Day: 9.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,630,977 km

• M1: 154,235 km (0.084 R)
• M2: 664,813 km (0.114 R)
• M3: 1,082,191 km (0.059 R)
• M4: 1,527,843 km (0.115 R)
• M5: 2,020,918 km (0.117 R)
• M6: 2,556,478 km (0.038 R)
• M7: 3,011,704 km (0.11 R)
• M8: 3,410,383 km (0.084 R)
• M9: 3,808,911 km (0.073 R)
• M10: 4,380,375 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.8

Radius: 11.1

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.75 AU - 0.79 AU

Year: 451 Days

Day: 8.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 86,630,977 km

• M1: 138,079 km (0.061 R)
• M2: 567,425 km (0.1 R)
• M3: 1,232,986 km (0.082 R)
• M4: 1,732,044 km (0.03 R)
• M5: 2,605,995 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.1

Radius: 10.2

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.78 AU - 0.8 AU

Year: 468 Days

Day: 12.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,630,977 km

• M1: 127,158 km (0.076 R)
• M2: 445,951 km (0.105 R)
• M3: 780,153 km (0.098 R)
• M4: 1,168,060 km (0.085 R)
• M5: 1,793,678 km (0.073 R)
• M6: 2,506,064 km (0.116 R)
• M7: 2,954,109 km (0.102 R)
• M8: 3,683,548 km (0.075 R)
• M9: 4,306,025 km (0.065 R)
• M10: 5,212,289 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.2

Radius: 8.8

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.92 AU - 1.36 AU

Year: 812 Days

Day: 13.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,630,977 km

• M1: 109,506 km (0.113 R)
• M2: 419,921 km (0.11 R)
• M3: 698,921 km (0.114 R)
• M4: 1,177,934 km (0.103 R)
• M5: 1,767,648 km (0.093 R)
• M6: 2,076,867 km (0.065 R)
• M7: 2,422,289 km (0.115 R)
• M8: 2,708,918 km (0.088 R)
• M9: 3,169,979 km (0.114 R)
• M10: 3,656,322 km (0.115 R)
• M11: 3,993,665 km (0.086 R)
• M12: 4,731,182 km (0.109 R)
• M13: 5,017,961 km (0.108 R)
• M14: 5,768,494 km (0.114 R)
• M15: 6,114,813 km (0.035 R)
• M16: 6,455,747 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.7

Radius: 10.5

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.29 AU - 1.85 AU

Year: 1312 Days

Day: 12.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,630,977 km

• M1: 130,599 km (0.087 R)
• M2: 459,415 km (0.113 R)
• M3: 810,222 km (0.118 R)
• M4: 2,571,288 km (0.069 R)
• M5: 3,780,338 km (0.085 R)
• M6: 4,154,931 km (0.094 R)
• M7: 5,334,361 km (0.081 R)
• M8: 5,827,435 km (0.112 R)
• M9: 6,568,843 km (0.062 R)
• M10: 6,950,915 km (0.119 R)
• M11: 8,238,804 km (0.101 R)
• M12: 9,227,945 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.8

Radius: 8.4

Gravity: 12.62 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.39 AU - 2.11 AU

Year: 1544 Days

Day: 5 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,630,977 km

• M1: 123,269 km (0.087 R)
• M2: 411,993 km (0.031 R)
• M3: 707,897 km (0.052 R)
• M4: 1,025,942 km (0.12 R)
• M5: 1,343,688 km (0.081 R)
• M6: 2,786,859 km (0.112 R)
• M7: 3,285,917 km (0.102 R)
• M8: 3,633,583 km (0.112 R)
• M9: 4,306,175 km (0.116 R)
• M10: 4,743,898 km (0.116 R)
• M11: 5,037,708 km (0.077 R)
• M12: 5,615,754 km (0.114 R)
• M13: 5,897,148 km (0.072 R)
• M14: 6,311,983 km (0.092 R)
• M15: 7,010,605 km (0.05 R)
• M16: 8,198,562 km (0.077 R)
• M17: 8,934,882 km (0.086 R)
• M18: 9,614,805 km (0.107 R)
• M19: 10,609,631 km (0.05 R)
• M20: 11,004,419 km (0.094 R)
• M21: 11,408,932 km (0.106 R)
• M22: 12,404,805 km (0.104 R)
• M23: 13,582,589 km (0.026 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862

Radius: 4.6

Gravity: 40.74 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 9.29 AU - 11.07 AU

Year: 21660 Days

Day: 18 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 86,630,977 km

• M1: 57,446 km (0.072 R)
• M2: 256,261 km (0.074 R)
• M3: 482,603 km (0.115 R)
• M4: 847,622 km (0.069 R)
• M5: 1,269,039 km (0.103 R)
• M6: 1,742,366 km (0.115 R)
• M7: 1,998,628 km (0.11 R)
• M8: 2,537,778 km (0.102 R)
• M9: 2,841,163 km (0.116 R)
• M10: 3,643,307 km (0.095 R)
• M11: 4,301,687 km (0.096 R)
• M12: 5,723,465 km (0.05 R)
• M13: 6,471,305 km (0.071 R)
• M14: 7,583,714 km (0.077 R)
• M15: 9,453,239 km (0.053 R)
• M16: 11,339,818 km (0.073 R)
• M17: 12,728,385 km (0.078 R)
• M18: 14,697,841 km (0.102 R)
• M19: 15,424,438 km (0.071 R)
• M20: 15,671,873 km (0.11 R)
• M21: 16,948,840 km (0.079 R)
• M22: 17,212,282 km (0.118 R)
• M23: 21,092,103 km (0.079 R)
• M24: 21,911,600 km (0.108 R)
• M25: 23,288,050 km (0.115 R)
• M26: 24,163,198 km (0.098 R)
• M27: 24,721,198 km (0.119 R)
• M28: 31,968,467 km (0.086 R)
• M29: 32,912,280 km (0.106 R)
• M30: 34,013,469 km (0.093 R)
• M31: 35,710,957 km (0.11 R)
• M32: 37,464,094 km (0.044 R)
• M33: 44,716,300 km (0.092 R)
• M34: 45,387,844 km (0.085 R)
• M35: 47,096,102 km (0.106 R)
• M36: 53,036,933 km (0.086 R)
• M37: 59,054,807 km (0.081 R)
• M38: 64,653,657 km (0.08 R)
• M39: 65,512,049 km (0.12 R)
• M40: 66,377,922 km (0.091 R)
• M41: 67,032,412 km (0.111 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 15,418 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit