🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.4

Radius: 11.7

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.65 AU - 0.75 AU

Year: 404 Days

Day: 7.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,644,008 km

• M1: 145,858 km (0.078 R)
• M2: 680,521 km (0.115 R)
• M3: 1,104,331 km (0.114 R)
• M4: 1,665,623 km (0.11 R)
• M5: 2,394,164 km (0.083 R)
• M6: 2,772,348 km (0.093 R)
• M7: 3,190,773 km (0.043 R)
• M8: 3,663,502 km (0.093 R)
• M9: 4,236,163 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.2

Radius: 11.8

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.88 AU - 0.98 AU

Year: 619 Days

Day: 8.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,644,008 km

• M1: 146,756 km (0.114 R)
• M2: 609,611 km (0.064 R)
• M3: 1,013,974 km (0.076 R)
• M4: 1,426,565 km (0.044 R)
• M5: 1,811,481 km (0.091 R)
• M6: 2,249,952 km (0.112 R)
• M7: 2,938,850 km (0.109 R)
• M8: 3,311,498 km (0.108 R)
• M9: 4,062,929 km (0.084 R)
• M10: 4,666,855 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.7

Radius: 14

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.87 AU - 1.37 AU

Year: 818 Days

Day: 9 Hours

Environment

Temp: -188 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,644,008 km

• M1: 179,817 km (0.081 R)
• M2: 838,496 km (0.086 R)
• M3: 1,768,247 km (0.091 R)
• M4: 2,304,854 km (0.113 R)
• M5: 2,786,560 km (0.11 R)
• M6: 3,388,242 km (0.115 R)
• M7: 3,899,268 km (0.074 R)
• M8: 5,236,524 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.6

Radius: 13.8

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.09 AU - 1.65 AU

Year: 1107 Days

Day: 12.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,644,008 km

• M1: 171,589 km (0.113 R)
• M2: 750,682 km (0.098 R)
• M3: 1,277,117 km (0.079 R)
• M4: 1,922,632 km (0.093 R)
• M5: 2,494,395 km (0.077 R)
• M6: 3,025,019 km (0.114 R)
• M7: 4,001,593 km (0.072 R)
• M8: 4,631,550 km (0.097 R)
• M9: 5,197,329 km (0.07 R)
• M10: 6,640,799 km (0.042 R)
• M11: 8,060,782 km (0.107 R)
• M12: 8,989,037 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.7

Radius: 8

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.5 AU - 2.12 AU

Year: 1681 Days

Day: 11.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,644,008 km

• M1: 99,483 km (0.082 R)
• M2: 550,969 km (0.085 R)
• M3: 843,283 km (0.119 R)
• M4: 1,218,026 km (0.054 R)
• M5: 1,547,740 km (0.087 R)
• M6: 2,353,922 km (0.043 R)
• M7: 2,622,301 km (0.099 R)
• M8: 2,979,690 km (0.115 R)
• M9: 3,711,673 km (0.089 R)
• M10: 4,059,937 km (0.09 R)
• M11: 4,502,746 km (0.092 R)
• M12: 5,339,746 km (0.084 R)
• M13: 6,253,640 km (0.099 R)
• M14: 6,556,725 km (0.111 R)
• M15: 8,193,924 km (0.108 R)
• M16: 8,757,160 km (0.084 R)
• M17: 9,866,877 km (0.088 R)
• M18: 10,536,926 km (0.07 R)
• M19: 11,169,127 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135

Radius: 13.6

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.22 AU - 3.68 AU

Year: 3497 Days

Day: 12.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,644,008 km

• M1: 171,738 km (0.118 R)
• M2: 625,768 km (0.091 R)
• M3: 1,318,406 km (0.094 R)
• M4: 1,983,518 km (0.118 R)
• M5: 4,083,573 km (0.113 R)
• M6: 4,900,826 km (0.101 R)
• M7: 5,666,767 km (0.113 R)
• M8: 6,585,149 km (0.102 R)
• M9: 7,015,691 km (0.09 R)
• M10: 7,573,392 km (0.071 R)
• M11: 8,160,564 km (0.089 R)
• M12: 10,612,623 km (0.076 R)
• M13: 11,064,558 km (0.079 R)
• M14: 12,383,861 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.1

Radius: 6.2

Gravity: 19.72 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.76 AU - 7.86 AU

Year: 10941 Days

Day: 15.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 52,644,008 km

• M1: 80,035 km (0.11 R)
• M2: 358,885 km (0.074 R)
• M3: 644,468 km (0.045 R)
• M4: 1,111,811 km (0.088 R)
• M5: 1,583,344 km (0.093 R)
• M6: 2,125,038 km (0.114 R)
• M7: 3,673,675 km (0.073 R)
• M8: 4,835,452 km (0.109 R)
• M9: 6,847,095 km (0.111 R)
• M10: 8,870,705 km (0.094 R)
• M11: 9,812,124 km (0.117 R)
• M12: 11,094,328 km (0.11 R)
• M13: 11,833,640 km (0.067 R)
• M14: 12,605,266 km (0.106 R)
• M15: 14,916,703 km (0.108 R)
• M16: 15,189,869 km (0.111 R)
• M17: 15,675,912 km (0.115 R)
• M18: 19,291,693 km (0.063 R)
• M19: 19,943,939 km (0.097 R)
• M20: 27,397,055 km (0.064 R)
• M21: 32,245,971 km (0.103 R)
• M22: 38,526,239 km (0.069 R)
• M23: 40,611,184 km (0.099 R)
• M24: 44,298,024 km (0.103 R)
• M25: 45,289,110 km (0.108 R)
• M26: 47,168,657 km (0.054 R)
• M27: 47,757,325 km (0.05 R)
• M28: 50,160,914 km (0.12 R)
• M29: 51,547,836 km (0.065 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 12,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit