🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.54 AU - 0.54 AU

Year: 145 Days

Day: 41.9 Hours

Environment

Temp: 254 °C

Axial Tilt: 12.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 43,389,839 km

• M1: 15,857 km (0.09 R)
• M2: 34,408 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.53 AU - 0.75 AU

Year: 187 Days

Day: 33.5 Hours

Environment

Temp: 136 °C

Axial Tilt: 38.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 43,389,839 km

• M1: 32,313 km (0.081 R)
• M2: 54,902 km (0.083 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.29 AU - 3.37 AU

Year: 1739 Days

Day: 16.4 Hours

Environment

Temp: -98 °C

Axial Tilt: 47.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.14 AU - 4.02 AU

Year: 2474 Days

Day: 23.3 Hours

Environment

Temp: -113 °C

Axial Tilt: 49.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.6

Radius: 12.9

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.76 AU - 8.62 AU

Year: 8561 Days

Day: 12.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,389,839 km

• M1: 160,519 km (0.115 R)
• M2: 733,628 km (0.096 R)
• M3: 1,539,512 km (0.113 R)
• M4: 4,995,522 km (0.051 R)
• M5: 6,410,418 km (0.116 R)
• M6: 10,016,924 km (0.114 R)
• M7: 12,564,127 km (0.096 R)
• M8: 17,284,089 km (0.072 R)
• M9: 18,489,250 km (0.106 R)
• M10: 21,366,914 km (0.049 R)
• M11: 30,798,761 km (0.03 R)
• M12: 35,241,369 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.5

Radius: 13.2

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.66 AU - 12.26 AU

Year: 11481 Days

Day: 14.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,389,839 km

• M1: 164,258 km (0.116 R)
• M2: 706,700 km (0.056 R)
• M3: 1,177,934 km (0.071 R)
• M4: 1,808,489 km (0.07 R)
• M5: 2,514,142 km (0.077 R)
• M6: 3,529,612 km (0.093 R)
• M7: 4,530,871 km (0.117 R)
• M8: 5,713,591 km (0.116 R)
• M9: 6,737,140 km (0.109 R)
• M10: 7,610,941 km (0.109 R)
• M11: 9,190,246 km (0.08 R)
• M12: 9,672,849 km (0.059 R)
• M13: 11,472,212 km (0.102 R)
• M14: 13,597,399 km (0.075 R)
• M15: 14,812,583 km (0.082 R)
• M16: 15,355,025 km (0.104 R)
• M17: 23,183,032 km (0.108 R)
• M18: 29,857,641 km (0.092 R)
• M19: 31,017,024 km (0.092 R)
• M20: 35,098,503 km (0.064 R)
• M21: 36,389,532 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.5

Radius: 13.9

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 9.12 AU - 13.14 AU

Year: 13562 Days

Day: 14.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 171.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,389,839 km

• M1: 173,833 km (0.108 R)
• M2: 997,818 km (0.101 R)
• M3: 1,480,570 km (0.074 R)
• M4: 2,252,645 km (0.074 R)
• M5: 3,110,140 km (0.066 R)
• M6: 4,088,211 km (0.08 R)
• M7: 5,057,904 km (0.109 R)
• M8: 6,060,808 km (0.113 R)
• M9: 7,022,573 km (0.078 R)
• M10: 9,299,901 km (0.045 R)
• M11: 9,766,647 km (0.118 R)
• M12: 10,690,862 km (0.103 R)
• M13: 11,554,192 km (0.12 R)
• M14: 12,401,364 km (0.081 R)
• M15: 13,224,751 km (0.104 R)
• M16: 14,356,309 km (0.108 R)
• M17: 20,302,675 km (0.064 R)
• M18: 21,536,558 km (0.114 R)
• M19: 28,466,829 km (0.049 R)
• M20: 35,860,704 km (0.099 R)
• M21: 37,400,964 km (0.1 R)
• M22: 38,055,604 km (0.088 R)
• M23: 38,851,165 km (0.111 R)
• M24: 39,929,317 km (0.05 R)
• M25: 41,304,870 km (0.099 R)
• M26: 45,919,066 km (0.059 R)
• M27: 50,866,118 km (0.106 R)
• M28: 52,482,224 km (0.093 R)
• M29: 54,970,037 km (0.101 R)
• M30: 58,936,026 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.5

Radius: 3.5

Gravity: 14.65 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 10.25 AU - 15.45 AU

Year: 16825 Days

Day: 15.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,389,839 km

• M1: 43,683 km (0.111 R)
• M2: 511,475 km (0.065 R)
• M3: 1,886,130 km (0.096 R)
• M4: 4,290,317 km (0.065 R)
• M5: 7,021,825 km (0.072 R)
• M6: 8,070,955 km (0.062 R)
• M7: 16,493,614 km (0.106 R)
• M8: 23,943,289 km (0.095 R)
• M9: 27,614,271 km (0.067 R)
• M10: 30,601,292 km (0.082 R)
• M11: 31,119,199 km (0.083 R)
• M12: 32,279,181 km (0.037 R)
• M13: 36,392,076 km (0.115 R)
• M14: 39,360,397 km (0.118 R)
• M15: 41,342,269 km (0.088 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 11,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit