🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.2

Radius: 11.4

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.65 AU - 0.71 AU

Year: 394 Days

Day: 14.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 24,104,599 km

• M1: 144,063 km (0.091 R)
• M2: 859,739 km (0.077 R)
• M3: 1,286,841 km (0.118 R)
• M4: 2,658,504 km (0.052 R)
• M5: 3,623,709 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.5

Radius: 13.8

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.2 AU - 1.24 AU

Year: 947 Days

Day: 10.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 24,104,599 km

• M1: 171,589 km (0.077 R)
• M2: 622,178 km (0.026 R)
• M3: 1,457,981 km (0.108 R)
• M4: 2,060,561 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.4

Radius: 14

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.38 AU - 1.9 AU

Year: 1476 Days

Day: 6.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,104,599 km

• M1: 174,132 km (0.096 R)
• M2: 630,854 km (0.054 R)
• M3: 1,155,195 km (0.042 R)
• M4: 1,779,766 km (0.108 R)
• M5: 3,558,485 km (0.11 R)
• M6: 4,390,847 km (0.038 R)
• M7: 5,775,076 km (0.11 R)
• M8: 6,543,411 km (0.083 R)
• M9: 7,243,678 km (0.053 R)
• M10: 8,612,349 km (0.114 R)
• M11: 10,113,115 km (0.099 R)
• M12: 11,086,698 km (0.081 R)
• M13: 11,596,528 km (0.099 R)
• M14: 12,545,726 km (0.078 R)
• M15: 13,423,417 km (0.085 R)
• M16: 14,341,649 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.8

Radius: 10.6

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.63 AU - 2.21 AU

Year: 1870 Days

Day: 11 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,104,599 km

• M1: 131,796 km (0.116 R)
• M2: 540,348 km (0.085 R)
• M3: 1,118,094 km (0.064 R)
• M4: 3,051,049 km (0.066 R)
• M5: 3,824,320 km (0.094 R)
• M6: 4,178,717 km (0.073 R)
• M7: 4,954,083 km (0.088 R)
• M8: 5,355,753 km (0.09 R)
• M9: 6,432,708 km (0.106 R)
• M10: 6,936,105 km (0.115 R)
• M11: 8,577,792 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.6

Radius: 12.6

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.43 AU - 3.89 AU

Year: 3949 Days

Day: 10.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 24,104,599 km

• M1: 156,779 km (0.045 R)
• M2: 812,466 km (0.074 R)
• M3: 1,338,303 km (0.078 R)
• M4: 2,125,935 km (0.034 R)
• M5: 2,794,339 km (0.06 R)
• M6: 3,286,665 km (0.091 R)
• M7: 4,144,459 km (0.09 R)
• M8: 4,965,004 km (0.101 R)
• M9: 5,570,127 km (0.105 R)
• M10: 5,966,711 km (0.083 R)
• M11: 7,013,447 km (0.089 R)
• M12: 7,476,752 km (0.068 R)
• M13: 8,627,459 km (0.06 R)
• M14: 10,551,287 km (0.1 R)
• M15: 11,122,153 km (0.113 R)
• M16: 11,834,538 km (0.114 R)
• M17: 12,326,266 km (0.108 R)
• M18: 13,973,788 km (0.037 R)
• M19: 16,662,809 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.4

Radius: 13.8

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.88 AU - 3.48 AU

Year: 3986 Days

Day: 13.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,104,599 km

• M1: 171,589 km (0.105 R)
• M2: 669,899 km (0.067 R)
• M3: 1,158,336 km (0.093 R)
• M4: 1,632,861 km (0.097 R)
• M5: 2,663,141 km (0.115 R)
• M6: 3,274,548 km (0.036 R)
• M7: 3,934,424 km (0.077 R)
• M8: 4,534,760 km (0.103 R)
• M9: 6,399,348 km (0.104 R)
• M10: 9,313,963 km (0.099 R)
• M11: 9,880,939 km (0.107 R)
• M12: 11,583,064 km (0.038 R)
• M13: 12,920,469 km (0.038 R)
• M14: 15,061,514 km (0.1 R)
• M15: 18,229,997 km (0.096 R)
• M16: 22,030,979 km (0.084 R)
• M17: 24,003,726 km (0.097 R)
• M18: 25,071,855 km (0.045 R)
• M19: 26,091,813 km (0.093 R)
• M20: 27,797,528 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.3

Radius: 10.1

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.96 AU - 4.52 AU

Year: 6137 Days

Day: 12.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 24,104,599 km

• M1: 126,111 km (0.063 R)
• M2: 527,931 km (0.106 R)
• M3: 918,681 km (0.081 R)
• M4: 1,301,202 km (0.059 R)
• M5: 1,730,399 km (0.087 R)
• M6: 2,267,305 km (0.115 R)
• M7: 2,861,209 km (0.072 R)
• M8: 4,336,693 km (0.04 R)
• M9: 4,731,930 km (0.113 R)
• M10: 5,868,126 km (0.097 R)
• M11: 7,337,626 km (0.115 R)
• M12: 8,106,110 km (0.031 R)
• M13: 9,225,701 km (0.099 R)
• M14: 10,080,802 km (0.08 R)
• M15: 10,651,817 km (0.052 R)
• M16: 11,030,150 km (0.078 R)
• M17: 13,058,697 km (0.093 R)
• M18: 13,639,137 km (0.093 R)
• M19: 15,008,107 km (0.076 R)
• M20: 15,591,389 km (0.114 R)
• M21: 16,859,680 km (0.079 R)
• M22: 18,494,934 km (0.056 R)
• M23: 20,425,944 km (0.097 R)
• M24: 21,407,007 km (0.12 R)
• M25: 22,146,170 km (0.115 R)
• M26: 23,041,662 km (0.059 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: 476 - 15,298 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit