🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.55 AU - 0.89 AU

Year: 214 Days

Day: 31.8 Hours

Environment

Temp: 154 °C

Axial Tilt: 39.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 90,105,949 km

• M1: 28,274 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.85 AU - 0.99 AU

Year: 309 Days

Day: 26.3 Hours

Environment

Temp: 173 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 90,105,949 km

• M1: 43,084 km (0.055 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.92 AU - 1.04 AU

Year: 339 Days

Day: 26.6 Hours

Environment

Temp: 98 °C

Axial Tilt: 86.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.23 AU - 1.25 AU

Year: 483 Days

Day: 22.3 Hours

Environment

Temp: 34 °C

Axial Tilt: 28.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 90,105,949 km

• M1: 21,392 km (0.108 R)
• M2: 479,312 km (0.032 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.11 AU - 1.73 AU

Year: 592 Days

Day: 37.5 Hours

Environment

Temp: 14 °C

Axial Tilt: 172.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 90,105,949 km

• M1: 82,279 km (0.083 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.14 AU - 3.08 AU

Year: 1475 Days

Day: 43.8 Hours

Environment

Temp: -88 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.62 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.2

Radius: 9.5

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.56 AU - 10.7 AU

Year: 8869 Days

Day: 14.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,105,949 km

• M1: 118,182 km (0.091 R)
• M2: 446,550 km (0.109 R)
• M3: 867,817 km (0.106 R)
• M4: 1,367,325 km (0.054 R)
• M5: 2,946,031 km (0.042 R)
• M6: 3,337,379 km (0.063 R)
• M7: 4,647,108 km (0.112 R)
• M8: 5,460,472 km (0.087 R)
• M9: 6,022,960 km (0.096 R)
• M10: 7,057,130 km (0.09 R)
• M11: 7,761,138 km (0.105 R)
• M12: 9,683,470 km (0.097 R)
• M13: 12,495,461 km (0.075 R)
• M14: 13,898,390 km (0.043 R)
• M15: 14,833,826 km (0.052 R)
• M16: 16,707,838 km (0.088 R)
• M17: 17,075,999 km (0.109 R)
• M18: 21,061,884 km (0.108 R)
• M19: 22,221,118 km (0.055 R)
• M20: 23,729,364 km (0.11 R)
• M21: 28,837,682 km (0.095 R)
• M22: 29,546,178 km (0.079 R)
• M23: 30,539,059 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.3

Radius: 9.5

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.33 AU - 10.19 AU

Year: 9071 Days

Day: 6 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,105,949 km

• M1: 119,379 km (0.031 R)
• M2: 448,644 km (0.096 R)
• M3: 771,626 km (0.101 R)
• M4: 1,292,526 km (0.105 R)
• M5: 1,720,974 km (0.03 R)
• M6: 2,351,379 km (0.034 R)
• M7: 2,909,080 km (0.093 R)
• M8: 3,312,546 km (0.109 R)
• M9: 3,676,966 km (0.071 R)
• M10: 4,574,404 km (0.103 R)
• M11: 5,121,932 km (0.057 R)
• M12: 6,532,640 km (0.045 R)
• M13: 11,191,716 km (0.047 R)
• M14: 13,358,940 km (0.091 R)
• M15: 14,863,596 km (0.087 R)
• M16: 15,522,724 km (0.118 R)
• M17: 19,579,818 km (0.09 R)
• M18: 28,288,209 km (0.085 R)
• M19: 30,127,066 km (0.104 R)
• M20: 33,928,199 km (0.097 R)
• M21: 37,431,332 km (0.11 R)
• M22: 40,783,820 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.2

Radius: 7.2

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 16.81 AU - 21.69 AU

Year: 29548 Days

Day: 16.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,105,949 km

• M1: 92,152 km (0.109 R)
• M2: 458,218 km (0.087 R)
• M3: 798,853 km (0.062 R)
• M4: 1,128,566 km (0.045 R)
• M5: 1,446,013 km (0.03 R)
• M6: 1,900,940 km (0.06 R)
• M7: 4,575,600 km (0.092 R)
• M8: 5,721,969 km (0.099 R)
• M9: 13,264,694 km (0.105 R)
• M10: 14,106,930 km (0.11 R)
• M11: 15,395,117 km (0.093 R)
• M12: 18,577,064 km (0.06 R)
• M13: 25,851,410 km (0.097 R)
• M14: 29,789,424 km (0.109 R)
• M15: 48,283,162 km (0.089 R)
• M16: 54,594,097 km (0.107 R)
• M17: 75,094,541 km (0.118 R)
• M18: 82,499,486 km (0.077 R)

Kuiper Belt

Range: 31.4 - 50.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 18,242 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit