🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.61 AU - 0.87 AU

Year: 240 Days

Day: 20.1 Hours

Environment

Temp: 183 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,418,977 km

• M1: 108,309 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.99 AU - 1.09 AU

Year: 400 Days

Day: 40.3 Hours

Environment

Temp: 7 °C

Axial Tilt: 105.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 76,418,977 km

• M1: 43,533 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.12 AU - 1.84 AU

Year: 678 Days

Day: 20.3 Hours

Environment

Temp: -53 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.93 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.6

Radius: 8

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.76 AU - 5 AU

Year: 3453 Days

Day: 6 Hours

Environment

Temp: -143 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,418,977 km

• M1: 99,483 km (0.095 R)
• M2: 420,220 km (0.072 R)
• M3: 876,644 km (0.08 R)
• M4: 1,143,077 km (0.072 R)
• M5: 1,922,931 km (0.064 R)
• M6: 2,487,364 km (0.066 R)
• M7: 3,237,448 km (0.1 R)
• M8: 4,264,587 km (0.111 R)
• M9: 5,002,852 km (0.118 R)
• M10: 6,731,007 km (0.055 R)
• M11: 9,210,890 km (0.116 R)
• M12: 11,889,590 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.4

Radius: 13.2

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.58 AU - 5.96 AU

Year: 4558 Days

Day: 10.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,418,977 km

• M1: 165,156 km (0.111 R)
• M2: 600,037 km (0.077 R)
• M3: 1,094,458 km (0.08 R)
• M4: 1,921,734 km (0.03 R)
• M5: 2,337,317 km (0.107 R)
• M6: 5,467,503 km (0.079 R)
• M7: 6,065,146 km (0.086 R)
• M8: 6,772,595 km (0.088 R)
• M9: 7,642,506 km (0.076 R)
• M10: 8,275,754 km (0.101 R)
• M11: 9,562,745 km (0.107 R)
• M12: 11,982,041 km (0.094 R)
• M13: 13,626,421 km (0.077 R)
• M14: 16,126,950 km (0.116 R)
• M15: 16,797,148 km (0.113 R)
• M16: 17,998,269 km (0.111 R)
• M17: 18,454,992 km (0.096 R)
• M18: 21,432,438 km (0.087 R)
• M19: 23,535,335 km (0.053 R)
• M20: 29,840,736 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.4

Radius: 14

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.65 AU - 9.95 AU

Year: 9008 Days

Day: 6.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,418,977 km

• M1: 174,132 km (0.108 R)
• M2: 632,500 km (0.088 R)
• M3: 1,797,718 km (0.115 R)
• M4: 2,253,692 km (0.088 R)
• M5: 2,706,525 km (0.069 R)
• M6: 3,482,788 km (0.119 R)
• M7: 4,587,269 km (0.11 R)
• M8: 5,095,154 km (0.085 R)
• M9: 6,398,899 km (0.045 R)
• M10: 10,704,326 km (0.067 R)
• M11: 11,211,612 km (0.05 R)
• M12: 12,002,836 km (0.115 R)
• M13: 15,016,335 km (0.092 R)
• M14: 15,815,038 km (0.11 R)
• M15: 17,094,698 km (0.04 R)
• M16: 18,083,989 km (0.108 R)
• M17: 22,840,752 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.1

Radius: 7.9

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 15.82 AU - 21.58 AU

Year: 30464 Days

Day: 20.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,418,977 km

• M1: 105,167 km (0.111 R)
• M2: 500,255 km (0.104 R)
• M3: 1,408,913 km (0.078 R)
• M4: 1,828,086 km (0.119 R)
• M5: 2,599,113 km (0.119 R)
• M6: 3,045,364 km (0.032 R)
• M7: 5,358,297 km (0.049 R)
• M8: 6,467,415 km (0.057 R)
• M9: 8,174,776 km (0.109 R)
• M10: 8,697,919 km (0.078 R)
• M11: 14,989,407 km (0.094 R)
• M12: 26,501,263 km (0.069 R)
• M13: 31,150,765 km (0.058 R)
• M14: 34,266,888 km (0.117 R)
• M15: 39,321,202 km (0.115 R)
• M16: 44,530,798 km (0.089 R)
• M17: 48,642,496 km (0.065 R)
• M18: 60,306,791 km (0.108 R)
• M19: 75,734,221 km (0.105 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 12,919 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit