🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.4

Radius: 13.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.51 AU - 0.69 AU

Year: 315 Days

Day: 14.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 28,117,236 km

• M1: 164,109 km (0.091 R)
• M2: 675,285 km (0.081 R)
• M3: 1,482,964 km (0.077 R)
• M4: 1,898,247 km (0.115 R)
• M5: 2,489,608 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.2

Radius: 11.2

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.54 AU - 0.74 AU

Year: 347 Days

Day: 6 Hours

Environment

Temp: -154 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,117,236 km

• M1: 139,276 km (0.097 R)
• M2: 637,287 km (0.104 R)
• M3: 1,067,231 km (0.102 R)
• M4: 1,445,564 km (0.088 R)
• M5: 1,808,788 km (0.043 R)
• M6: 2,420,194 km (0.077 R)
• M7: 2,846,249 km (0.072 R)
• M8: 3,544,123 km (0.089 R)
• M9: 4,004,885 km (0.091 R)
• M10: 4,393,989 km (0.068 R)
• M11: 4,808,225 km (0.045 R)
• M12: 5,217,226 km (0.077 R)
• M13: 5,567,734 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.9

Radius: 12.4

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.89 AU - 1.31 AU

Year: 782 Days

Day: 11.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,117,236 km

• M1: 189,092 km (0.037 R)
• M2: 634,893 km (0.046 R)
• M3: 1,456,485 km (0.066 R)
• M4: 2,161,988 km (0.084 R)
• M5: 2,902,647 km (0.116 R)
• M6: 3,438,208 km (0.102 R)
• M7: 3,960,454 km (0.08 R)
• M8: 4,813,311 km (0.041 R)
• M9: 5,835,813 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.5

Radius: 13.8

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.44 AU - 1.5 AU

Year: 1209 Days

Day: 7 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,117,236 km

• M1: 172,038 km (0.107 R)
• M2: 848,968 km (0.114 R)
• M3: 1,391,111 km (0.113 R)
• M4: 1,894,208 km (0.118 R)
• M5: 2,418,848 km (0.115 R)
• M6: 2,976,549 km (0.118 R)
• M7: 4,189,488 km (0.084 R)
• M8: 4,891,102 km (0.069 R)
• M9: 6,184,376 km (0.099 R)
• M10: 7,166,037 km (0.052 R)
• M11: 7,893,232 km (0.104 R)
• M12: 9,269,982 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.9

Radius: 8

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.63 AU - 1.71 AU

Year: 1464 Days

Day: 5.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,117,236 km

• M1: 99,483 km (0.059 R)
• M2: 553,063 km (0.101 R)
• M3: 1,077,553 km (0.109 R)
• M4: 1,497,475 km (0.118 R)
• M5: 2,086,142 km (0.116 R)
• M6: 2,573,682 km (0.092 R)
• M7: 3,552,949 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.2

Radius: 9.7

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.45 AU - 3.85 AU

Year: 4730 Days

Day: 5 Hours

Environment

Temp: -214 °C

Axial Tilt: 95.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,117,236 km

• M1: 122,371 km (0.115 R)
• M2: 541,095 km (0.068 R)
• M3: 1,252,583 km (0.079 R)
• M4: 3,469,324 km (0.115 R)
• M5: 5,394,798 km (0.034 R)
• M6: 7,712,668 km (0.084 R)
• M7: 10,188,662 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287

Radius: 8.4

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.63 AU - 5.05 AU

Year: 6132 Days

Day: 7.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,117,236 km

• M1: 106,065 km (0.111 R)
• M2: 1,705,715 km (0.09 R)
• M3: 2,454,003 km (0.11 R)
• M4: 4,879,583 km (0.111 R)
• M5: 7,619,020 km (0.09 R)
• M6: 8,910,648 km (0.113 R)
• M7: 10,982,279 km (0.073 R)
• M8: 12,060,281 km (0.106 R)
• M9: 13,060,193 km (0.065 R)
• M10: 14,373,214 km (0.03 R)
• M11: 15,661,551 km (0.099 R)
• M12: 19,153,165 km (0.087 R)
• M13: 20,313,745 km (0.078 R)
• M14: 21,045,728 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.7

Radius: 7.4

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 6.32 AU - 7.52 AU

Year: 12347 Days

Day: 24.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,117,236 km

• M1: 94,396 km (0.084 R)
• M2: 386,411 km (0.074 R)
• M3: 649,853 km (0.114 R)
• M4: 1,045,240 km (0.076 R)
• M5: 1,654,253 km (0.072 R)
• M6: 1,926,372 km (0.059 R)
• M7: 2,213,151 km (0.043 R)
• M8: 2,891,727 km (0.092 R)
• M9: 3,191,371 km (0.116 R)
• M10: 4,909,054 km (0.114 R)
• M11: 5,818,609 km (0.108 R)
• M12: 6,516,034 km (0.109 R)
• M13: 7,542,425 km (0.09 R)
• M14: 7,859,723 km (0.075 R)
• M15: 8,370,898 km (0.119 R)
• M16: 9,953,943 km (0.08 R)
• M17: 13,962,119 km (0.044 R)
• M18: 15,263,321 km (0.053 R)
• M19: 18,674,302 km (0.12 R)
• M20: 23,295,081 km (0.11 R)
• M21: 26,307,982 km (0.082 R)
• M22: 27,038,469 km (0.118 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 10,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit