🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.39 AU - 0.61 AU

Year: 126 Days

Day: 42 Hours

Environment

Temp: 264 °C

Axial Tilt: 7.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 112,617,299 km

• M1: 94,995 km (0.054 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.01 AU - 1.55 AU

Year: 516 Days

Day: 35.7 Hours

Environment

Temp: 19 °C

Axial Tilt: 45.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 112,617,299 km

• M1: 21,542 km (0.059 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.01 AU - 2.75 AU

Year: 1309 Days

Day: 23.6 Hours

Environment

Temp: -85 °C

Axial Tilt: 170.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.67 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.15 AU - 5.77 AU

Year: 3937 Days

Day: 23.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 112,617,299 km

• M1: 256,560 km (0.039 R)
• M2: 3,884,010 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.8

Radius: 13.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.08 AU - 5.8 AU

Year: 4523 Days

Day: 12.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 112,617,299 km

• M1: 171,589 km (0.06 R)
• M2: 672,742 km (0.105 R)
• M3: 1,920,537 km (0.105 R)
• M4: 2,460,436 km (0.119 R)
• M5: 3,231,164 km (0.115 R)
• M6: 3,746,679 km (0.057 R)
• M7: 4,919,975 km (0.081 R)
• M8: 5,469,298 km (0.093 R)
• M9: 6,537,577 km (0.082 R)
• M10: 7,435,014 km (0.099 R)
• M11: 8,376,733 km (0.117 R)
• M12: 9,794,771 km (0.025 R)
• M13: 13,053,461 km (0.115 R)
• M14: 14,528,646 km (0.108 R)
• M15: 16,168,987 km (0.109 R)
• M16: 21,968,597 km (0.029 R)
• M17: 22,886,380 km (0.081 R)
• M18: 25,561,938 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537.1

Radius: 5.7

Gravity: 16.53 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 13.85 AU - 14.01 AU

Year: 18532 Days

Day: 21.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 112,617,299 km

• M1: 83,176 km (0.092 R)
• M2: 338,690 km (0.096 R)
• M3: 946,506 km (0.116 R)
• M4: 1,324,689 km (0.069 R)
• M5: 1,612,964 km (0.099 R)
• M6: 1,833,771 km (0.097 R)
• M7: 2,620,506 km (0.061 R)
• M8: 2,951,566 km (0.086 R)
• M9: 3,310,152 km (0.117 R)
• M10: 3,902,111 km (0.099 R)
• M11: 4,239,005 km (0.034 R)
• M12: 4,866,568 km (0.072 R)
• M13: 7,717,754 km (0.103 R)
• M14: 8,959,566 km (0.094 R)
• M15: 9,329,821 km (0.096 R)
• M16: 9,545,990 km (0.09 R)
• M17: 10,618,756 km (0.097 R)
• M18: 12,342,722 km (0.106 R)
• M19: 13,135,740 km (0.075 R)
• M20: 15,566,257 km (0.057 R)
• M21: 19,572,937 km (0.086 R)
• M22: 22,822,202 km (0.104 R)
• M23: 23,018,026 km (0.074 R)
• M24: 23,812,690 km (0.058 R)
• M25: 24,014,198 km (0.101 R)
• M26: 24,216,754 km (0.089 R)
• M27: 28,286,863 km (0.11 R)
• M28: 29,313,404 km (0.095 R)
• M29: 30,011,577 km (0.093 R)
• M30: 37,069,904 km (0.114 R)
• M31: 38,298,551 km (0.11 R)
• M32: 42,589,915 km (0.104 R)
• M33: 49,940,108 km (0.078 R)
• M34: 55,400,579 km (0.098 R)
• M35: 56,109,973 km (0.119 R)
• M36: 60,119,943 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.7

Radius: 6.9

Gravity: 17.43 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 19.78 AU - 20.92 AU

Year: 32722 Days

Day: 15.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 112,617,299 km

• M1: 91,105 km (0.087 R)
• M2: 321,785 km (0.03 R)
• M3: 920,177 km (0.092 R)
• M4: 1,622,090 km (0.084 R)
• M5: 2,325,499 km (0.063 R)
• M6: 2,746,019 km (0.048 R)
• M7: 4,706,798 km (0.103 R)
• M8: 4,993,727 km (0.113 R)
• M9: 6,457,691 km (0.107 R)
• M10: 7,396,418 km (0.041 R)
• M11: 7,841,621 km (0.065 R)
• M12: 12,070,005 km (0.078 R)
• M13: 14,236,781 km (0.05 R)
• M14: 15,101,157 km (0.118 R)
• M15: 15,546,360 km (0.068 R)
• M16: 23,789,951 km (0.113 R)
• M17: 28,224,032 km (0.067 R)
• M18: 29,447,144 km (0.115 R)
• M19: 41,738,853 km (0.069 R)
• M20: 46,056,996 km (0.094 R)
• M21: 51,460,172 km (0.107 R)
• M22: 54,106,408 km (0.079 R)
• M23: 57,918,312 km (0.067 R)
• M24: 63,734,677 km (0.061 R)
• M25: 75,214,967 km (0.11 R)
• M26: 75,991,230 km (0.089 R)
• M27: 85,727,658 km (0.092 R)
• M28: 89,728,204 km (0.101 R)
• M29: 92,364,568 km (0.086 R)
• M30: 96,567,520 km (0.028 R)

Kuiper Belt

Range: 30.8 - 59.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 14,524 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit