🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.4

Radius: 8.6

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.46 AU - 0.68 AU

Year: 287 Days

Day: 6.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,206,102 km

• M1: 106,962 km (0.066 R)
• M2: 394,041 km (0.086 R)
• M3: 793,467 km (0.101 R)
• M4: 1,092,214 km (0.03 R)
• M5: 1,386,623 km (0.119 R)
• M6: 1,767,648 km (0.087 R)
• M7: 2,132,518 km (0.054 R)
• M8: 2,617,215 km (0.062 R)
• M9: 2,909,679 km (0.037 R)
• M10: 3,295,940 km (0.105 R)
• M11: 3,649,141 km (0.118 R)
• M12: 3,945,045 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.7

Radius: 14.7

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.5 AU - 0.8 AU

Year: 349 Days

Day: 14 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,206,102 km

• M1: 182,809 km (0.093 R)
• M2: 651,050 km (0.105 R)
• M3: 1,136,944 km (0.074 R)
• M4: 1,612,815 km (0.071 R)
• M5: 2,182,633 km (0.108 R)
• M6: 2,845,651 km (0.041 R)
• M7: 3,556,390 km (0.104 R)
• M8: 4,098,682 km (0.099 R)
• M9: 4,652,793 km (0.083 R)
• M10: 5,194,038 km (0.078 R)
• M11: 5,777,320 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.1

Radius: 10.9

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.12 AU - 1.44 AU

Year: 966 Days

Day: 6.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,206,102 km

• M1: 135,685 km (0.088 R)
• M2: 543,040 km (0.068 R)
• M3: 1,075,459 km (0.087 R)
• M4: 1,475,484 km (0.083 R)
• M5: 2,154,060 km (0.071 R)
• M6: 3,459,152 km (0.065 R)
• M7: 6,001,567 km (0.087 R)
• M8: 6,364,941 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65

Radius: 12.1

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.21 AU - 1.77 AU

Year: 1213 Days

Day: 6.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,206,102 km

• M1: 152,141 km (0.116 R)
• M2: 755,469 km (0.091 R)
• M3: 1,230,742 km (0.117 R)
• M4: 1,853,368 km (0.09 R)
• M5: 2,286,005 km (0.11 R)
• M6: 2,786,260 km (0.058 R)
• M7: 3,686,391 km (0.076 R)
• M8: 4,073,849 km (0.092 R)
• M9: 4,474,921 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.1

Radius: 13.2

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.28 AU - 1.8 AU

Year: 1274 Days

Day: 7.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,206,102 km

• M1: 164,109 km (0.094 R)
• M2: 714,180 km (0.096 R)
• M3: 1,425,518 km (0.088 R)
• M4: 1,871,769 km (0.104 R)
• M5: 2,321,161 km (0.116 R)
• M6: 2,895,616 km (0.069 R)
• M7: 3,563,870 km (0.114 R)
• M8: 4,026,127 km (0.062 R)
• M9: 5,014,371 km (0.093 R)
• M10: 6,136,205 km (0.082 R)
• M11: 7,752,610 km (0.064 R)
• M12: 8,534,259 km (0.119 R)
• M13: 9,457,129 km (0.095 R)
• M14: 9,973,840 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.5

Radius: 10.9

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.62 AU - 3.76 AU

Year: 4727 Days

Day: 9.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,206,102 km

• M1: 140,323 km (0.085 R)
• M2: 1,700,030 km (0.089 R)
• M3: 2,755,443 km (0.087 R)
• M4: 3,136,619 km (0.04 R)
• M5: 3,713,468 km (0.071 R)
• M6: 4,497,959 km (0.078 R)
• M7: 5,181,771 km (0.089 R)
• M8: 8,774,514 km (0.081 R)
• M9: 10,994,247 km (0.083 R)
• M10: 12,006,127 km (0.094 R)
• M11: 15,042,664 km (0.118 R)
• M12: 19,735,400 km (0.081 R)
• M13: 21,227,489 km (0.079 R)
• M14: 21,831,416 km (0.078 R)
• M15: 22,515,826 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.2

Radius: 8.9

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.57 AU - 5.43 AU

Year: 7456 Days

Day: 11.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,206,102 km

• M1: 113,844 km (0.077 R)
• M2: 507,586 km (0.076 R)
• M3: 2,382,346 km (0.098 R)
• M4: 2,699,643 km (0.049 R)
• M5: 5,160,678 km (0.114 R)
• M6: 6,566,748 km (0.054 R)
• M7: 8,141,565 km (0.106 R)
• M8: 12,530,766 km (0.081 R)
• M9: 16,693,178 km (0.102 R)
• M10: 18,959,585 km (0.108 R)
• M11: 19,461,636 km (0.053 R)
• M12: 24,166,788 km (0.118 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: 201 - 12,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit