🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.39 AU - 0.63 AU

Year: 163 Days

Day: 45.6 Hours

Environment

Temp: 41 °C

Axial Tilt: 39.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.74 AU - 0.86 AU

Year: 319 Days

Day: 35.4 Hours

Environment

Temp: -37 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.85 AU - 2.81 AU

Year: 1587 Days

Day: 26.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 141.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 34,140,883 km

• M1: 51,312 km (0.082 R)
• M2: 337,044 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.1

Radius: 8.4

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.36 AU - 6.64 AU

Year: 5756 Days

Day: 6.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,140,883 km

• M1: 104,719 km (0.12 R)
• M2: 503,247 km (0.114 R)
• M3: 782,846 km (0.089 R)
• M4: 1,263,204 km (0.102 R)
• M5: 1,955,394 km (0.066 R)
• M6: 2,424,533 km (0.116 R)
• M7: 2,694,407 km (0.117 R)
• M8: 3,961,202 km (0.112 R)
• M9: 5,424,419 km (0.106 R)
• M10: 5,777,769 km (0.111 R)
• M11: 7,814,544 km (0.098 R)
• M12: 8,624,916 km (0.045 R)
• M13: 10,746,363 km (0.066 R)
• M14: 12,155,725 km (0.12 R)
• M15: 14,085,687 km (0.117 R)
• M16: 17,820,996 km (0.105 R)
• M17: 18,542,357 km (0.041 R)
• M18: 23,356,416 km (0.085 R)
• M19: 24,660,012 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48

Radius: 6.8

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 9 AU - 11.26 AU

Year: 14387 Days

Day: 17.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,140,883 km

• M1: 87,964 km (0.078 R)
• M2: 490,980 km (0.109 R)
• M3: 3,259,887 km (0.077 R)
• M4: 4,684,059 km (0.108 R)
• M5: 5,560,553 km (0.079 R)
• M6: 6,633,469 km (0.061 R)
• M7: 8,081,576 km (0.104 R)
• M8: 8,401,865 km (0.078 R)
• M9: 11,015,938 km (0.107 R)
• M10: 11,722,938 km (0.11 R)
• M11: 18,812,531 km (0.109 R)
• M12: 19,565,756 km (0.094 R)
• M13: 22,152,602 km (0.108 R)
• M14: 24,735,110 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.6

Radius: 7.7

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 8.89 AU - 13.85 AU

Year: 17108 Days

Day: 15.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,140,883 km

• M1: 265,835 km (0.06 R)
• M2: 523,892 km (0.047 R)
• M3: 983,307 km (0.099 R)
• M4: 1,308,832 km (0.088 R)
• M5: 3,197,954 km (0.078 R)
• M6: 4,004,735 km (0.061 R)
• M7: 4,321,583 km (0.114 R)
• M8: 7,153,920 km (0.082 R)
• M9: 7,449,076 km (0.082 R)
• M10: 7,796,443 km (0.042 R)
• M11: 8,664,858 km (0.097 R)
• M12: 14,591,776 km (0.08 R)
• M13: 15,274,391 km (0.105 R)
• M14: 18,375,406 km (0.112 R)
• M15: 18,770,494 km (0.113 R)
• M16: 20,492,066 km (0.077 R)
• M17: 23,776,936 km (0.114 R)
• M18: 24,913,431 km (0.08 R)
• M19: 27,396,756 km (0.099 R)
• M20: 28,857,130 km (0.118 R)
• M21: 36,944,241 km (0.103 R)
• M22: 37,827,467 km (0.118 R)
• M23: 38,983,859 km (0.103 R)
• M24: 39,244,009 km (0.118 R)
• M25: 40,295,982 km (0.114 R)
• M26: 41,097,377 km (0.039 R)
• M27: 52,344,145 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.3

Radius: 3.9

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 9.27 AU - 14.69 AU

Year: 18503 Days

Day: 17.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,140,883 km

• M1: 48,619 km (0.088 R)
• M2: 267,930 km (0.05 R)
• M3: 406,607 km (0.109 R)
• M4: 906,114 km (0.079 R)
• M5: 1,692,700 km (0.109 R)
• M6: 1,831,976 km (0.108 R)
• M7: 2,592,382 km (0.041 R)
• M8: 4,259,051 km (0.109 R)
• M9: 5,476,628 km (0.104 R)
• M10: 6,979,339 km (0.12 R)
• M11: 9,411,052 km (0.043 R)
• M12: 9,672,849 km (0.103 R)
• M13: 13,256,615 km (0.116 R)
• M14: 14,316,516 km (0.11 R)
• M15: 16,227,180 km (0.107 R)
• M16: 16,729,979 km (0.083 R)
• M17: 17,503,848 km (0.082 R)
• M18: 19,191,911 km (0.057 R)
• M19: 20,545,173 km (0.072 R)
• M20: 23,920,849 km (0.098 R)
• M21: 26,682,426 km (0.12 R)
• M22: 29,556,201 km (0.098 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 11,635 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit