🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.76 AU - 1.02 AU

Year: 294 Days

Day: 19.5 Hours

Environment

Temp: 103 °C

Axial Tilt: 37.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.83 AU - 1.01 AU

Year: 309 Days

Day: 12.8 Hours

Environment

Temp: 112 °C

Axial Tilt: 25.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.65 AU - 2.37 AU

Year: 997 Days

Day: 22 Hours

Environment

Temp: -43 °C

Axial Tilt: 46.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 67,092,945 km

• M1: 76,893 km (0.052 R)
• M2: 622,327 km (0.085 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.52 AU - 3.78 AU

Year: 1956 Days

Day: 19.5 Hours

Environment

Temp: -103 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,092,945 km

• M1: 107,262 km (0.063 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.05 AU - 4.37 AU

Year: 3022 Days

Day: 20.5 Hours

Environment

Temp: -110 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.05 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244

Radius: 10.4

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 11.64 AU - 12.14 AU

Year: 14343 Days

Day: 6.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,092,945 km

• M1: 129,402 km (0.078 R)
• M2: 539,899 km (0.11 R)
• M3: 1,258,118 km (0.092 R)
• M4: 1,976,637 km (0.114 R)
• M5: 2,724,626 km (0.111 R)
• M6: 3,483,686 km (0.045 R)
• M7: 4,134,586 km (0.063 R)
• M8: 5,044,739 km (0.073 R)
• M9: 5,547,388 km (0.115 R)
• M10: 7,941,702 km (0.032 R)
• M11: 8,623,120 km (0.096 R)
• M12: 9,389,361 km (0.114 R)
• M13: 10,648,227 km (0.045 R)
• M14: 11,476,999 km (0.09 R)
• M15: 15,746,373 km (0.108 R)
• M16: 16,548,217 km (0.101 R)
• M17: 16,890,348 km (0.109 R)
• M18: 18,893,912 km (0.086 R)
• M19: 22,106,526 km (0.098 R)
• M20: 23,026,703 km (0.109 R)
• M21: 25,393,640 km (0.098 R)
• M22: 26,496,027 km (0.083 R)
• M23: 30,298,954 km (0.029 R)
• M24: 30,914,699 km (0.074 R)
• M25: 31,434,103 km (0.105 R)
• M26: 33,570,211 km (0.11 R)
• M27: 34,340,191 km (0.049 R)
• M28: 35,460,530 km (0.105 R)
• M29: 37,186,590 km (0.083 R)
• M30: 38,010,874 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.7

Radius: 10.4

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 10.98 AU - 14.18 AU

Year: 15610 Days

Day: 9.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,092,945 km

• M1: 131,048 km (0.117 R)
• M2: 472,430 km (0.044 R)
• M3: 823,536 km (0.106 R)
• M4: 1,399,937 km (0.086 R)
• M5: 1,763,310 km (0.059 R)
• M6: 2,396,707 km (0.088 R)
• M7: 2,874,673 km (0.113 R)
• M8: 4,336,693 km (0.066 R)
• M9: 5,304,142 km (0.05 R)
• M10: 13,132,898 km (0.063 R)
• M11: 14,184,721 km (0.112 R)
• M12: 17,677,831 km (0.042 R)
• M13: 18,098,350 km (0.096 R)
• M14: 20,301,628 km (0.082 R)
• M15: 27,189,712 km (0.07 R)
• M16: 31,399,845 km (0.107 R)
• M17: 34,176,082 km (0.075 R)
• M18: 39,635,806 km (0.088 R)
• M19: 41,528,219 km (0.095 R)
• M20: 45,492,712 km (0.109 R)
• M21: 52,245,560 km (0.043 R)
• M22: 61,926,039 km (0.055 R)
• M23: 65,267,457 km (0.119 R)
• M24: 68,934,400 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.2

Radius: 7.2

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 16.82 AU - 18.52 AU

Year: 25986 Days

Day: 18.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,092,945 km

• M1: 99,034 km (0.071 R)
• M2: 390,600 km (0.081 R)
• M3: 692,489 km (0.095 R)
• M4: 2,389,676 km (0.107 R)
• M5: 2,699,942 km (0.101 R)
• M6: 4,281,940 km (0.084 R)
• M7: 4,948,099 km (0.114 R)
• M8: 10,465,269 km (0.087 R)
• M9: 11,482,235 km (0.094 R)
• M10: 13,503,751 km (0.037 R)
• M11: 13,850,668 km (0.049 R)
• M12: 14,203,420 km (0.045 R)
• M13: 19,352,729 km (0.09 R)
• M14: 21,157,627 km (0.103 R)
• M15: 37,304,024 km (0.116 R)
• M16: 45,439,904 km (0.085 R)
• M17: 48,125,485 km (0.112 R)
• M18: 54,158,169 km (0.029 R)
• M19: 56,634,313 km (0.119 R)
• M20: 63,927,957 km (0.076 R)
• M21: 65,695,755 km (0.12 R)
• M22: 66,092,938 km (0.044 R)

Kuiper Belt

Range: 31.4 - 60.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 17,229 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit