🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.52 AU - 0.74 AU

Year: 225 Days

Day: 38.7 Hours

Environment

Temp: -12 °C

Axial Tilt: 34.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.53 AU - 0.75 AU

Year: 230 Days

Day: 27.6 Hours

Environment

Temp: 7 °C

Axial Tilt: 35 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 37,081,850 km

• M1: 57,595 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.63 AU - 0.65 AU

Year: 230 Days

Day: 19.1 Hours

Environment

Temp: -15 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 37,081,850 km

• M1: 64,626 km (0.081 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.89 AU - 1.41 AU

Year: 554 Days

Day: 13.8 Hours

Environment

Temp: -78 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 37,081,850 km

• M1: 43,683 km (0.097 R)
• M2: 146,756 km (0.118 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.59 AU - 2.55 AU

Year: 1339 Days

Day: 19 Hours

Environment

Temp: -127 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.7

Radius: 13.2

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.9 AU - 3.56 AU

Year: 2610 Days

Day: 9.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,081,850 km

• M1: 164,258 km (0.102 R)
• M2: 910,752 km (0.066 R)
• M3: 1,331,571 km (0.058 R)
• M4: 1,933,852 km (0.116 R)
• M5: 2,409,423 km (0.086 R)
• M6: 3,144,248 km (0.118 R)
• M7: 4,004,137 km (0.055 R)
• M8: 4,764,543 km (0.105 R)
• M9: 5,445,362 km (0.116 R)
• M10: 6,857,118 km (0.083 R)
• M11: 7,327,902 km (0.105 R)
• M12: 8,433,879 km (0.038 R)
• M13: 9,396,541 km (0.026 R)
• M14: 9,941,526 km (0.088 R)
• M15: 11,376,918 km (0.051 R)
• M16: 12,208,233 km (0.118 R)
• M17: 12,638,776 km (0.103 R)
• M18: 17,795,265 km (0.053 R)
• M19: 18,631,218 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.4

Radius: 14.1

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.19 AU - 3.51 AU

Year: 2757 Days

Day: 9.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,081,850 km

• M1: 178,321 km (0.072 R)
• M2: 644,468 km (0.111 R)
• M3: 1,218,175 km (0.075 R)
• M4: 1,962,724 km (0.073 R)
• M5: 3,096,676 km (0.079 R)
• M6: 4,746,142 km (0.11 R)
• M7: 6,149,370 km (0.111 R)
• M8: 8,604,570 km (0.112 R)
• M9: 9,079,992 km (0.07 R)
• M10: 9,986,406 km (0.117 R)
• M11: 10,815,627 km (0.075 R)
• M12: 11,405,342 km (0.119 R)
• M13: 12,725,244 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.8

Radius: 14.7

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.44 AU - 6.1 AU

Year: 5439 Days

Day: 10.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,081,850 km

• M1: 183,706 km (0.116 R)
• M2: 980,764 km (0.077 R)
• M3: 1,462,020 km (0.107 R)
• M4: 1,973,346 km (0.117 R)
• M5: 2,867,492 km (0.112 R)
• M6: 3,409,036 km (0.085 R)
• M7: 5,353,958 km (0.051 R)
• M8: 6,009,795 km (0.11 R)
• M9: 7,062,366 km (0.077 R)
• M10: 7,750,965 km (0.064 R)
• M11: 9,186,656 km (0.08 R)
• M12: 11,049,748 km (0.119 R)
• M13: 12,722,401 km (0.117 R)
• M14: 13,944,616 km (0.118 R)
• M15: 15,512,850 km (0.028 R)
• M16: 16,227,928 km (0.091 R)
• M17: 18,323,346 km (0.085 R)
• M18: 19,060,414 km (0.093 R)
• M19: 22,904,930 km (0.041 R)
• M20: 24,934,225 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64.2

Radius: 7.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 13.2 AU - 13.74 AU

Year: 22226 Days

Day: 21.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,081,850 km

• M1: 98,136 km (0.112 R)
• M2: 734,675 km (0.069 R)
• M3: 1,070,971 km (0.078 R)
• M4: 1,817,764 km (0.114 R)
• M5: 5,353,360 km (0.096 R)
• M6: 6,179,290 km (0.06 R)
• M7: 6,587,991 km (0.112 R)
• M8: 11,019,080 km (0.119 R)
• M9: 12,243,539 km (0.11 R)
• M10: 13,840,945 km (0.108 R)
• M11: 15,759,687 km (0.104 R)
• M12: 16,782,488 km (0.108 R)
• M13: 20,412,480 km (0.116 R)
• M14: 29,272,863 km (0.103 R)
• M15: 34,060,892 km (0.062 R)
• M16: 37,081,871 km (0.057 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 19,120 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit