🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.55 AU - 0.57 AU

Year: 148 Days

Day: 34.2 Hours

Environment

Temp: 181 °C

Axial Tilt: 33.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,624,620 km

• M1: 30,368 km (0.025 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.76 AU - 0.98 AU

Year: 287 Days

Day: 34.4 Hours

Environment

Temp: 128 °C

Axial Tilt: 8.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,624,620 km

• M1: 47,423 km (0.071 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.02 AU - 1.56 AU

Year: 517 Days

Day: 42.9 Hours

Environment

Temp: 18 °C

Axial Tilt: 34.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 40,624,620 km

• M1: 180,714 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.13 AU - 3.11 AU

Year: 1497 Days

Day: 28.6 Hours

Environment

Temp: -86 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.97 AU - 4.51 AU

Year: 3083 Days

Day: 14.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,624,620 km

• M1: 2,674,511 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.3

Radius: 5.3

Gravity: 31.87 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 12.56 AU - 13.72 AU

Year: 16819 Days

Day: 18.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 40,624,620 km

• M1: 65,973 km (0.11 R)
• M2: 291,716 km (0.044 R)
• M3: 614,997 km (0.088 R)
• M4: 1,222,963 km (0.093 R)
• M5: 1,871,918 km (0.119 R)
• M6: 4,097,336 km (0.096 R)
• M7: 4,876,591 km (0.086 R)
• M8: 5,058,353 km (0.107 R)
• M9: 6,036,124 km (0.053 R)
• M10: 6,591,432 km (0.066 R)
• M11: 7,559,480 km (0.083 R)
• M12: 8,358,183 km (0.11 R)
• M13: 8,831,510 km (0.103 R)
• M14: 9,156,736 km (0.094 R)
• M15: 13,351,161 km (0.112 R)
• M16: 14,891,122 km (0.116 R)
• M17: 18,494,186 km (0.119 R)
• M18: 21,355,395 km (0.062 R)
• M19: 23,452,907 km (0.118 R)
• M20: 24,286,915 km (0.089 R)
• M21: 26,013,723 km (0.077 R)
• M22: 30,439,876 km (0.108 R)
• M23: 36,024,364 km (0.087 R)
• M24: 37,555,349 km (0.115 R)
• M25: 38,265,340 km (0.089 R)
• M26: 40,153,265 km (0.094 R)
• M27: 41,345,261 km (0.109 R)
• M28: 42,714,381 km (0.108 R)
• M29: 47,002,753 km (0.104 R)
• M30: 47,496,277 km (0.117 R)
• M31: 51,743,809 km (0.111 R)
• M32: 54,229,677 km (0.078 R)
• M33: 55,136,390 km (0.115 R)
• M34: 55,501,857 km (0.069 R)
• M35: 66,610,995 km (0.057 R)
• M36: 68,069,724 km (0.115 R)
• M37: 73,012,138 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.7

Radius: 5.3

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 14.94 AU - 17.32 AU

Year: 22874 Days

Day: 18 Hours

Environment

Temp: -184 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,624,620 km

• M1: 65,973 km (0.093 R)
• M2: 410,197 km (0.103 R)
• M3: 592,258 km (0.095 R)
• M4: 3,157,562 km (0.096 R)
• M5: 3,786,472 km (0.044 R)
• M6: 6,777,083 km (0.116 R)
• M7: 19,536,136 km (0.038 R)
• M8: 25,773,619 km (0.114 R)
• M9: 26,498,570 km (0.109 R)
• M10: 31,340,604 km (0.104 R)
• M11: 33,218,656 km (0.108 R)
• M12: 34,293,816 km (0.099 R)
• M13: 38,473,580 km (0.039 R)

Kuiper Belt

Range: 31.1 - 50.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 17,013 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit