🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.03 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.96 AU - 2.14 AU

Year: 1083 Days

Day: 22.4 Hours

Environment

Temp: -74 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.93 AU - 2.57 AU

Year: 1245 Days

Day: 31.9 Hours

Environment

Temp: -73 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,121,459 km

• M1: 115,190 km (0.089 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.06 AU - 3.1 AU

Year: 1529 Days

Day: 13 Hours

Environment

Temp: -100 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.05 AU - 3.55 AU

Year: 2212 Days

Day: 20.4 Hours

Environment

Temp: -109 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.64 AU - 5.06 AU

Year: 3347 Days

Day: 46.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.7

Radius: 9.6

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 4.55 AU - 6.03 AU

Year: 4489 Days

Day: 8 Hours

Environment

Temp: -152 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,121,459 km

• M1: 119,379 km (0.047 R)
• M2: 440,267 km (0.088 R)
• M3: 900,430 km (0.111 R)
• M4: 1,527,544 km (0.075 R)
• M5: 1,938,938 km (0.075 R)
• M6: 3,155,617 km (0.115 R)
• M7: 3,894,481 km (0.105 R)
• M8: 5,054,014 km (0.104 R)
• M9: 5,432,048 km (0.082 R)
• M10: 6,154,157 km (0.071 R)
• M11: 7,613,784 km (0.111 R)
• M12: 9,093,905 km (0.114 R)
• M13: 9,532,676 km (0.076 R)
• M14: 11,753,905 km (0.113 R)
• M15: 14,140,440 km (0.064 R)
• M16: 15,447,327 km (0.087 R)
• M17: 17,252,225 km (0.09 R)
• M18: 17,556,058 km (0.07 R)
• M19: 18,999,678 km (0.081 R)
• M20: 19,916,264 km (0.042 R)
• M21: 20,793,506 km (0.055 R)
• M22: 23,283,263 km (0.12 R)
• M23: 24,332,542 km (0.088 R)
• M24: 26,364,530 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.4

Radius: 8.4

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.08 AU - 6.5 AU

Year: 5140 Days

Day: 11.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,121,459 km

• M1: 105,766 km (0.081 R)
• M2: 459,714 km (0.055 R)
• M3: 794,813 km (0.096 R)
• M4: 1,568,683 km (0.112 R)
• M5: 1,896,003 km (0.072 R)
• M6: 2,790,898 km (0.078 R)
• M7: 3,371,188 km (0.11 R)
• M8: 3,900,016 km (0.113 R)
• M9: 4,625,566 km (0.075 R)
• M10: 6,372,271 km (0.084 R)
• M11: 6,706,323 km (0.064 R)
• M12: 8,055,845 km (0.085 R)
• M13: 9,113,951 km (0.06 R)
• M14: 10,511,046 km (0.081 R)
• M15: 11,414,916 km (0.091 R)
• M16: 13,824,339 km (0.11 R)
• M17: 15,771,655 km (0.077 R)
• M18: 17,244,745 km (0.072 R)
• M19: 18,135,301 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724

Radius: 12.5

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 6.7 AU - 7.02 AU

Year: 6629 Days

Day: 8.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,121,459 km

• M1: 156,330 km (0.07 R)
• M2: 851,212 km (0.049 R)
• M3: 1,471,893 km (0.108 R)
• M4: 1,909,018 km (0.079 R)
• M5: 2,703,234 km (0.071 R)
• M6: 4,142,215 km (0.104 R)
• M7: 5,535,121 km (0.077 R)
• M8: 6,041,211 km (0.109 R)
• M9: 6,858,165 km (0.116 R)
• M10: 7,518,191 km (0.075 R)
• M11: 7,981,495 km (0.043 R)
• M12: 8,504,789 km (0.115 R)
• M13: 9,665,369 km (0.113 R)
• M14: 10,831,484 km (0.119 R)
• M15: 11,985,033 km (0.091 R)
• M16: 12,726,440 km (0.098 R)
• M17: 13,274,567 km (0.059 R)
• M18: 14,126,078 km (0.043 R)
• M19: 15,379,259 km (0.118 R)
• M20: 16,640,220 km (0.025 R)
• M21: 17,496,069 km (0.101 R)
• M22: 21,139,675 km (0.114 R)
• M23: 21,909,207 km (0.096 R)
• M24: 27,464,523 km (0.091 R)
• M25: 28,753,160 km (0.109 R)
• M26: 33,271,165 km (0.117 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: 440 - 17,031 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit