🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.65 AU - 0.89 AU

Year: 291 Days

Day: 44.8 Hours

Environment

Temp: -9 °C

Axial Tilt: 42.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.81 AU - 1.01 AU

Year: 374 Days

Day: 31.7 Hours

Environment

Temp: -45 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.23 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.7

Radius: 8

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.45 AU - 5.63 AU

Year: 5613 Days

Day: 11.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,865,938 km

• M1: 102,624 km (0.1 R)
• M2: 353,799 km (0.059 R)
• M3: 968,497 km (0.03 R)
• M4: 1,571,675 km (0.112 R)
• M5: 1,860,998 km (0.055 R)
• M6: 3,167,137 km (0.082 R)
• M7: 3,613,985 km (0.058 R)
• M8: 4,061,732 km (0.096 R)
• M9: 4,656,234 km (0.044 R)
• M10: 5,283,198 km (0.068 R)
• M11: 5,680,530 km (0.098 R)
• M12: 5,991,395 km (0.069 R)
• M13: 6,396,057 km (0.059 R)
• M14: 6,704,378 km (0.043 R)
• M15: 8,232,520 km (0.069 R)
• M16: 8,530,370 km (0.111 R)
• M17: 10,204,968 km (0.094 R)
• M18: 11,586,505 km (0.119 R)
• M19: 13,449,447 km (0.085 R)
• M20: 14,813,331 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.8

Radius: 14.5

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.09 AU - 7.31 AU

Year: 6645 Days

Day: 8.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,865,938 km

• M1: 183,108 km (0.063 R)
• M2: 637,137 km (0.12 R)
• M3: 1,440,627 km (0.085 R)
• M4: 2,101,401 km (0.086 R)
• M5: 3,504,330 km (0.05 R)
• M6: 5,639,840 km (0.093 R)
• M7: 6,256,183 km (0.115 R)
• M8: 6,985,921 km (0.099 R)
• M9: 7,443,392 km (0.106 R)
• M10: 9,309,625 km (0.064 R)
• M11: 10,808,745 km (0.101 R)
• M12: 17,142,121 km (0.083 R)
• M13: 18,175,094 km (0.106 R)
• M14: 19,455,053 km (0.081 R)
• M15: 23,033,285 km (0.053 R)
• M16: 26,347,027 km (0.058 R)
• M17: 28,516,945 km (0.056 R)
• M18: 29,145,256 km (0.114 R)
• M19: 30,243,902 km (0.065 R)
• M20: 31,180,385 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.8

Radius: 11.9

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.68 AU - 7.08 AU

Year: 6937 Days

Day: 8.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,865,938 km

• M1: 147,952 km (0.105 R)
• M2: 737,966 km (0.079 R)
• M3: 2,435,154 km (0.117 R)
• M4: 3,749,671 km (0.082 R)
• M5: 4,148,798 km (0.077 R)
• M6: 6,293,882 km (0.07 R)
• M7: 7,829,803 km (0.081 R)
• M8: 8,929,347 km (0.082 R)
• M9: 12,952,184 km (0.076 R)
• M10: 14,036,768 km (0.096 R)
• M11: 19,055,029 km (0.108 R)
• M12: 19,607,643 km (0.115 R)
• M13: 23,385,887 km (0.073 R)
• M14: 24,260,287 km (0.106 R)
• M15: 28,691,076 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.8

Radius: 14.8

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.27 AU - 10.81 AU

Year: 11700 Days

Day: 10.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,865,938 km

• M1: 184,005 km (0.073 R)
• M2: 712,684 km (0.118 R)
• M3: 1,176,438 km (0.068 R)
• M4: 1,780,065 km (0.101 R)
• M5: 8,229,379 km (0.051 R)
• M6: 9,776,520 km (0.117 R)
• M7: 10,556,075 km (0.092 R)
• M8: 14,772,939 km (0.07 R)
• M9: 17,638,187 km (0.069 R)
• M10: 18,856,812 km (0.108 R)
• M11: 19,614,674 km (0.115 R)
• M12: 20,524,229 km (0.11 R)
• M13: 22,218,425 km (0.036 R)
• M14: 24,744,685 km (0.03 R)
• M15: 25,883,872 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.4

Radius: 8.8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 7.76 AU - 11.44 AU

Year: 12804 Days

Day: 8.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,865,938 km

• M1: 126,261 km (0.118 R)
• M2: 446,998 km (0.108 R)
• M3: 761,004 km (0.11 R)
• M4: 1,193,641 km (0.093 R)
• M5: 1,727,855 km (0.084 R)
• M6: 2,123,243 km (0.12 R)
• M7: 3,054,938 km (0.093 R)
• M8: 3,496,102 km (0.089 R)
• M9: 3,879,073 km (0.096 R)
• M10: 4,729,686 km (0.118 R)
• M11: 5,019,607 km (0.039 R)
• M12: 6,404,434 km (0.091 R)
• M13: 6,942,837 km (0.082 R)
• M14: 7,667,489 km (0.111 R)
• M15: 11,230,312 km (0.066 R)
• M16: 11,591,292 km (0.08 R)
• M17: 11,959,901 km (0.099 R)
• M18: 13,863,085 km (0.092 R)
• M19: 16,024,625 km (0.074 R)
• M20: 16,614,788 km (0.109 R)
• M21: 17,016,309 km (0.09 R)
• M22: 18,048,235 km (0.096 R)
• M23: 21,869,862 km (0.116 R)
• M24: 26,470,146 km (0.091 R)
• M25: 30,966,460 km (0.061 R)
• M26: 35,393,510 km (0.115 R)
• M27: 37,071,549 km (0.114 R)
• M28: 38,568,425 km (0.089 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: 454 - 13,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit