🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.5

Radius: 14.6

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.88 AU - 0.92 AU

Year: 543 Days

Day: 14.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,753,014 km

• M1: 181,612 km (0.106 R)
• M2: 726,597 km (0.102 R)
• M3: 1,230,293 km (0.078 R)
• M4: 1,739,374 km (0.059 R)
• M5: 2,225,268 km (0.101 R)
• M6: 2,824,258 km (0.07 R)
• M7: 3,310,002 km (0.075 R)
• M8: 4,236,761 km (0.075 R)
• M9: 4,738,812 km (0.029 R)
• M10: 5,670,657 km (0.101 R)
• M11: 6,171,511 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53

Radius: 12.9

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.36 AU - 2.12 AU

Year: 1459 Days

Day: 7.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,753,014 km

• M1: 161,117 km (0.09 R)
• M2: 645,216 km (0.081 R)
• M3: 1,233,734 km (0.113 R)
• M4: 2,362,599 km (0.111 R)
• M5: 3,193,615 km (0.066 R)
• M6: 3,659,463 km (0.105 R)
• M7: 5,449,701 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.5

Radius: 10.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.61 AU - 4.67 AU

Year: 5356 Days

Day: 7.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,753,014 km

• M1: 131,796 km (0.062 R)
• M2: 497,712 km (0.098 R)
• M3: 1,019,809 km (0.1 R)
• M4: 1,758,373 km (0.054 R)
• M5: 2,190,711 km (0.077 R)
• M6: 2,677,652 km (0.101 R)
• M7: 3,254,053 km (0.114 R)
• M8: 3,650,188 km (0.091 R)
• M9: 4,120,973 km (0.097 R)
• M10: 5,438,780 km (0.052 R)
• M11: 5,835,364 km (0.105 R)
• M12: 8,390,496 km (0.12 R)
• M13: 10,608,434 km (0.101 R)
• M14: 12,228,429 km (0.061 R)
• M15: 13,667,411 km (0.054 R)
• M16: 14,603,445 km (0.094 R)
• M17: 15,372,079 km (0.075 R)
• M18: 18,013,977 km (0.115 R)
• M19: 18,541,010 km (0.066 R)
• M20: 21,073,403 km (0.076 R)
• M21: 22,725,861 km (0.071 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409

Radius: 5

Gravity: 16.36 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.37 AU - 7.09 AU

Year: 11101 Days

Day: 24.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,753,014 km

• M1: 62,532 km (0.098 R)
• M2: 289,771 km (0.083 R)
• M3: 462,407 km (0.047 R)
• M4: 674,537 km (0.119 R)
• M5: 1,217,278 km (0.073 R)
• M6: 1,438,683 km (0.061 R)
• M7: 1,629,270 km (0.072 R)
• M8: 2,605,696 km (0.07 R)
• M9: 2,932,717 km (0.067 R)
• M10: 3,473,812 km (0.058 R)
• M11: 4,900,976 km (0.087 R)
• M12: 5,145,868 km (0.081 R)
• M13: 8,064,522 km (0.097 R)
• M14: 8,406,204 km (0.074 R)
• M15: 8,846,769 km (0.115 R)
• M16: 9,870,168 km (0.093 R)
• M17: 10,064,346 km (0.108 R)
• M18: 12,093,941 km (0.086 R)
• M19: 12,942,310 km (0.105 R)
• M20: 15,593,184 km (0.066 R)
• M21: 19,635,917 km (0.078 R)
• M22: 20,098,324 km (0.117 R)
• M23: 23,367,935 km (0.03 R)
• M24: 25,309,117 km (0.112 R)
• M25: 25,673,239 km (0.098 R)
• M26: 28,418,509 km (0.025 R)
• M27: 36,528,060 km (0.076 R)
• M28: 41,483,190 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.9

Radius: 6

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 9.83 AU - 11.51 AU

Year: 22161 Days

Day: 16.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,753,014 km

• M1: 74,649 km (0.072 R)
• M2: 2,261,920 km (0.081 R)
• M3: 2,799,575 km (0.112 R)
• M4: 3,626,851 km (0.094 R)
• M5: 5,123,877 km (0.035 R)
• M6: 6,008,898 km (0.074 R)
• M7: 6,950,467 km (0.106 R)
• M8: 8,732,477 km (0.087 R)
• M9: 13,232,530 km (0.064 R)
• M10: 14,207,609 km (0.09 R)
• M11: 28,704,540 km (0.101 R)
• M12: 29,457,018 km (0.112 R)
• M13: 30,002,451 km (0.087 R)
• M14: 31,565,600 km (0.057 R)
• M15: 43,069,975 km (0.11 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 12,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit