🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.3

Radius: 13.3

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.44 AU - 0.62 AU

Year: 257 Days

Day: 14.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,496,679 km

• M1: 165,455 km (0.073 R)
• M2: 591,360 km (0.12 R)
• M3: 1,087,277 km (0.052 R)
• M4: 1,711,998 km (0.078 R)
• M5: 2,448,468 km (0.104 R)
• M6: 2,891,278 km (0.067 R)
• M7: 3,573,295 km (0.108 R)
• M8: 4,110,501 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.6

Radius: 10.1

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.65 AU - 0.65 AU

Year: 349 Days

Day: 6.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,496,679 km

• M1: 125,662 km (0.109 R)
• M2: 466,596 km (0.057 R)
• M3: 852,708 km (0.116 R)
• M4: 1,240,466 km (0.105 R)
• M5: 1,883,138 km (0.109 R)
• M6: 2,317,869 km (0.101 R)
• M7: 2,879,011 km (0.082 R)
• M8: 3,238,794 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.8

Radius: 9.7

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.01 AU - 1.15 AU

Year: 748 Days

Day: 14.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,496,679 km

• M1: 120,725 km (0.076 R)
• M2: 493,224 km (0.102 R)
• M3: 823,985 km (0.059 R)
• M4: 1,165,367 km (0.065 R)
• M5: 1,471,145 km (0.116 R)
• M6: 1,976,038 km (0.078 R)
• M7: 2,489,159 km (0.112 R)
• M8: 3,161,153 km (0.118 R)
• M9: 3,593,191 km (0.116 R)
• M10: 4,255,012 km (0.093 R)
• M11: 4,929,699 km (0.041 R)
• M12: 6,063,950 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904

Radius: 11.8

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.96 AU - 1.5 AU

Year: 910 Days

Day: 12.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,496,679 km

• M1: 146,756 km (0.102 R)
• M2: 516,861 km (0.069 R)
• M3: 1,108,819 km (0.073 R)
• M4: 1,835,117 km (0.111 R)
• M5: 2,480,781 km (0.086 R)
• M6: 2,908,931 km (0.074 R)
• M7: 3,488,323 km (0.085 R)
• M8: 4,176,623 km (0.088 R)
• M9: 5,028,583 km (0.114 R)
• M10: 5,638,194 km (0.101 R)
• M11: 6,165,227 km (0.076 R)
• M12: 7,100,663 km (0.096 R)
• M13: 7,565,314 km (0.064 R)
• M14: 9,659,535 km (0.097 R)
• M15: 10,353,818 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726

Radius: 11.9

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.47 AU - 2.25 AU

Year: 1692 Days

Day: 14.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,496,679 km

• M1: 147,952 km (0.117 R)
• M2: 694,433 km (0.053 R)
• M3: 2,157,800 km (0.091 R)
• M4: 2,803,165 km (0.111 R)
• M5: 4,119,327 km (0.057 R)
• M6: 5,603,338 km (0.109 R)
• M7: 6,568,244 km (0.114 R)
• M8: 9,398,337 km (0.106 R)
• M9: 9,994,933 km (0.085 R)
• M10: 11,190,818 km (0.12 R)
• M11: 12,167,992 km (0.11 R)
• M12: 13,739,218 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.4

Radius: 14.3

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.94 AU - 2.16 AU

Year: 1957 Days

Day: 12.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,496,679 km

• M1: 177,872 km (0.108 R)
• M2: 728,990 km (0.093 R)
• M3: 1,181,524 km (0.107 R)
• M4: 1,986,211 km (0.109 R)
• M5: 2,547,801 km (0.109 R)
• M6: 3,041,774 km (0.064 R)
• M7: 3,705,390 km (0.073 R)
• M8: 4,690,791 km (0.041 R)
• M9: 5,795,721 km (0.115 R)
• M10: 6,422,985 km (0.114 R)
• M11: 7,696,212 km (0.095 R)
• M12: 8,176,720 km (0.117 R)
• M13: 8,869,957 km (0.04 R)
• M14: 10,592,427 km (0.032 R)
• M15: 12,528,373 km (0.113 R)
• M16: 14,373,812 km (0.115 R)
• M17: 15,104,897 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144

Radius: 13.5

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.64 AU - 4.96 AU

Year: 7013 Days

Day: 12.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,496,679 km

• M1: 167,998 km (0.085 R)
• M2: 718,070 km (0.071 R)
• M3: 1,183,768 km (0.109 R)
• M4: 1,718,132 km (0.078 R)
• M5: 3,129,887 km (0.097 R)
• M6: 3,762,536 km (0.101 R)
• M7: 4,195,173 km (0.083 R)
• M8: 4,707,247 km (0.076 R)
• M9: 6,271,741 km (0.107 R)
• M10: 7,313,391 km (0.039 R)
• M11: 9,363,630 km (0.118 R)
• M12: 11,643,202 km (0.102 R)
• M13: 17,611,858 km (0.076 R)
• M14: 18,478,030 km (0.12 R)
• M15: 19,677,057 km (0.076 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 15,326 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit