🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.1

Radius: 14.9

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.71 AU - 0.91 AU

Year: 486 Days

Day: 10.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,924,506 km

• M1: 185,352 km (0.083 R)
• M2: 763,996 km (0.093 R)
• M3: 1,775,577 km (0.113 R)
• M4: 2,255,337 km (0.111 R)
• M5: 2,727,618 km (0.087 R)
• M6: 3,435,366 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.7

Radius: 10.7

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.91 AU - 1.45 AU

Year: 855 Days

Day: 6 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,924,506 km

• M1: 133,142 km (0.065 R)
• M2: 562,189 km (0.081 R)
• M3: 1,099,544 km (0.063 R)
• M4: 1,436,289 km (0.109 R)
• M5: 1,781,711 km (0.105 R)
• M6: 2,174,555 km (0.108 R)
• M7: 2,727,020 km (0.087 R)
• M8: 3,311,648 km (0.1 R)
• M9: 3,845,862 km (0.09 R)
• M10: 4,656,982 km (0.041 R)
• M11: 5,103,382 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.8

Radius: 12.4

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.12 AU - 1.66 AU

Year: 1093 Days

Day: 8.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,924,506 km

• M1: 154,235 km (0.085 R)
• M2: 585,227 km (0.038 R)
• M3: 972,985 km (0.08 R)
• M4: 1,654,104 km (0.06 R)
• M5: 2,754,845 km (0.106 R)
• M6: 3,888,497 km (0.079 R)
• M7: 4,323,977 km (0.096 R)
• M8: 4,711,735 km (0.088 R)
• M9: 5,139,734 km (0.09 R)
• M10: 5,540,058 km (0.106 R)
• M11: 5,961,176 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.9

Radius: 8.8

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.27 AU - 5.73 AU

Year: 7456 Days

Day: 11.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,924,506 km

• M1: 109,506 km (0.085 R)
• M2: 507,586 km (0.09 R)
• M3: 900,430 km (0.105 R)
• M4: 1,462,768 km (0.057 R)
• M5: 2,334,924 km (0.076 R)
• M6: 4,839,491 km (0.107 R)
• M7: 6,226,712 km (0.06 R)
• M8: 6,983,827 km (0.11 R)
• M9: 7,326,556 km (0.077 R)
• M10: 8,358,931 km (0.104 R)
• M11: 10,449,710 km (0.091 R)
• M12: 11,675,515 km (0.079 R)
• M13: 12,077,485 km (0.105 R)
• M14: 12,405,852 km (0.086 R)
• M15: 13,426,409 km (0.111 R)
• M16: 13,734,431 km (0.098 R)
• M17: 15,489,513 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.7

Radius: 6.9

Gravity: 20.91 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.52 AU - 7.1 AU

Year: 11851 Days

Day: 24.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 45,924,506 km

• M1: 86,617 km (0.104 R)
• M2: 307,573 km (0.065 R)
• M3: 616,642 km (0.11 R)
• M4: 873,801 km (0.096 R)
• M5: 1,104,481 km (0.109 R)
• M6: 1,628,822 km (0.113 R)
• M7: 2,348,238 km (0.1 R)
• M8: 2,600,909 km (0.073 R)
• M9: 3,014,247 km (0.11 R)
• M10: 4,149,396 km (0.117 R)
• M11: 4,520,548 km (0.042 R)
• M12: 7,450,423 km (0.117 R)
• M13: 10,410,217 km (0.031 R)
• M14: 11,569,151 km (0.118 R)
• M15: 12,117,876 km (0.113 R)
• M16: 15,124,494 km (0.118 R)
• M17: 15,486,671 km (0.068 R)
• M18: 17,070,763 km (0.086 R)
• M19: 17,622,031 km (0.078 R)
• M20: 19,432,015 km (0.085 R)
• M21: 20,381,812 km (0.06 R)
• M22: 21,362,277 km (0.066 R)
• M23: 22,655,251 km (0.108 R)
• M24: 23,609,985 km (0.102 R)
• M25: 23,901,701 km (0.042 R)
• M26: 25,294,457 km (0.08 R)
• M27: 32,235,648 km (0.04 R)
• M28: 35,563,154 km (0.095 R)
• M29: 36,074,928 km (0.057 R)
• M30: 37,904,510 km (0.098 R)
• M31: 39,248,647 km (0.094 R)
• M32: 48,142,988 km (0.112 R)
• M33: 49,559,381 km (0.119 R)
• M34: 50,841,584 km (0.115 R)
• M35: 51,981,520 km (0.108 R)
• M36: 52,806,104 km (0.102 R)
• M37: 55,503,503 km (0.078 R)
• M38: 59,899,735 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.7

Radius: 4.7

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 8.04 AU - 11.22 AU

Year: 19928 Days

Day: 15.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,924,506 km

• M1: 88,712 km (0.06 R)
• M2: 239,357 km (0.038 R)
• M3: 533,616 km (0.111 R)
• M4: 1,272,180 km (0.066 R)
• M5: 1,505,703 km (0.034 R)
• M6: 2,270,447 km (0.09 R)
• M7: 2,419,596 km (0.085 R)
• M8: 3,432,374 km (0.102 R)
• M9: 3,938,912 km (0.108 R)
• M10: 4,493,770 km (0.113 R)
• M11: 4,699,916 km (0.094 R)
• M12: 5,895,502 km (0.051 R)
• M13: 6,178,542 km (0.096 R)
• M14: 6,433,456 km (0.096 R)
• M15: 10,114,910 km (0.06 R)
• M16: 14,671,961 km (0.082 R)
• M17: 16,198,457 km (0.063 R)
• M18: 19,408,229 km (0.111 R)
• M19: 27,438,045 km (0.113 R)
• M20: 36,951,123 km (0.101 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: 473 - 16,177 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit