🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.6 AU - 0.68 AU

Year: 180 Days

Day: 25 Hours

Environment

Temp: 248 °C

Axial Tilt: 17.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.17 AU - 1.33 AU

Year: 491 Days

Day: 40.2 Hours

Environment

Temp: 23 °C

Axial Tilt: 0.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.15 AU - 1.41 AU

Year: 509 Days

Day: 13.4 Hours

Environment

Temp: 28 °C

Axial Tilt: 36.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.6

Radius: 14.1

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.1 AU - 8.92 AU

Year: 7968 Days

Day: 6.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,857,679 km

• M1: 175,329 km (0.028 R)
• M2: 641,476 km (0.115 R)
• M3: 1,104,481 km (0.049 R)
• M4: 1,709,006 km (0.063 R)
• M5: 2,328,042 km (0.106 R)
• M6: 3,034,593 km (0.107 R)
• M7: 3,764,331 km (0.098 R)
• M8: 5,515,374 km (0.119 R)
• M9: 6,075,918 km (0.103 R)
• M10: 6,953,010 km (0.114 R)
• M11: 7,874,383 km (0.065 R)
• M12: 8,792,465 km (0.102 R)
• M13: 9,429,004 km (0.112 R)
• M14: 9,870,318 km (0.115 R)
• M15: 10,794,534 km (0.108 R)
• M16: 15,805,464 km (0.054 R)
• M17: 17,331,512 km (0.082 R)
• M18: 20,454,218 km (0.084 R)
• M19: 24,016,293 km (0.109 R)
• M20: 25,261,994 km (0.043 R)
• M21: 26,901,288 km (0.086 R)
• M22: 27,612,476 km (0.1 R)
• M23: 30,295,663 km (0.119 R)
• M24: 31,259,971 km (0.081 R)
• M25: 33,148,345 km (0.043 R)
• M26: 33,862,974 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.5

Radius: 6.1

Gravity: 20.81 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 13.55 AU - 21.37 AU

Year: 25642 Days

Day: 22.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 64,857,679 km

• M1: 76,744 km (0.097 R)
• M2: 354,996 km (0.095 R)
• M3: 576,849 km (0.116 R)
• M4: 1,031,029 km (0.107 R)
• M5: 1,228,049 km (0.108 R)
• M6: 1,607,579 km (0.118 R)
• M7: 2,239,630 km (0.074 R)
• M8: 3,081,716 km (0.074 R)
• M9: 3,284,571 km (0.115 R)
• M10: 4,257,705 km (0.054 R)
• M11: 4,810,619 km (0.051 R)
• M12: 6,756,737 km (0.088 R)
• M13: 6,951,813 km (0.102 R)
• M14: 7,611,839 km (0.066 R)
• M15: 9,174,239 km (0.064 R)
• M16: 10,220,676 km (0.119 R)
• M17: 13,294,912 km (0.091 R)
• M18: 15,041,168 km (0.099 R)
• M19: 17,295,459 km (0.087 R)
• M20: 18,982,025 km (0.119 R)
• M21: 20,877,879 km (0.079 R)
• M22: 21,924,765 km (0.06 R)
• M23: 24,122,806 km (0.085 R)
• M24: 24,350,345 km (0.105 R)
• M25: 25,275,009 km (0.104 R)
• M26: 27,938,150 km (0.119 R)
• M27: 30,516,470 km (0.069 R)
• M28: 31,863,150 km (0.107 R)
• M29: 33,249,024 km (0.113 R)
• M30: 34,674,692 km (0.075 R)
• M31: 45,812,702 km (0.095 R)
• M32: 47,219,969 km (0.034 R)
• M33: 50,491,077 km (0.102 R)
• M34: 53,329,696 km (0.098 R)
• M35: 55,874,506 km (0.089 R)
• M36: 66,640,316 km (0.108 R)
• M37: 66,864,115 km (0.088 R)
• M38: 68,901,638 km (0.098 R)
• M39: 69,589,937 km (0.093 R)
• M40: 70,747,227 km (0.108 R)
• M41: 86,180,491 km (0.104 R)
• M42: 88,321,835 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244

Radius: 6.8

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 14.57 AU - 21.01 AU

Year: 26372 Days

Day: 20.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,857,679 km

• M1: 84,972 km (0.067 R)
• M2: 437,723 km (0.083 R)
• M3: 1,552,676 km (0.101 R)
• M4: 1,940,434 km (0.111 R)
• M5: 2,167,524 km (0.057 R)
• M6: 4,647,557 km (0.054 R)
• M7: 5,234,429 km (0.119 R)
• M8: 5,831,026 km (0.118 R)
• M9: 6,348,335 km (0.086 R)
• M10: 6,982,630 km (0.115 R)
• M11: 7,751,862 km (0.1 R)
• M12: 8,829,266 km (0.1 R)
• M13: 9,350,765 km (0.101 R)
• M14: 17,064,480 km (0.086 R)
• M15: 17,790,927 km (0.114 R)
• M16: 25,282,339 km (0.076 R)
• M17: 31,178,739 km (0.094 R)
• M18: 32,753,407 km (0.05 R)
• M19: 34,635,348 km (0.07 R)
• M20: 36,060,417 km (0.086 R)
• M21: 38,475,824 km (0.073 R)
• M22: 39,026,943 km (0.051 R)
• M23: 40,569,447 km (0.047 R)
• M24: 43,626,479 km (0.089 R)
• M25: 44,527,208 km (0.087 R)
• M26: 49,218,298 km (0.038 R)
• M27: 51,682,624 km (0.097 R)
• M28: 59,384,221 km (0.066 R)
• M29: 64,083,539 km (0.085 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 11,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit