🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.48 AU - 0.58 AU

Year: 143 Days

Day: 33.4 Hours

Environment

Temp: 172 °C

Axial Tilt: 29.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.09 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.29 AU - 1.99 AU

Year: 779 Days

Day: 27.5 Hours

Environment

Temp: -46 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.56 AU - 3.86 AU

Year: 2133 Days

Day: 17.9 Hours

Environment

Temp: -108 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.99 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.7

Radius: 8.5

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.59 AU - 5.95 AU

Year: 3864 Days

Day: 10.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,058,442 km

• M1: 105,766 km (0.065 R)
• M2: 387,458 km (0.104 R)
• M3: 839,842 km (0.116 R)
• M4: 1,236,726 km (0.048 R)
• M5: 1,611,019 km (0.082 R)
• M6: 1,977,684 km (0.072 R)
• M7: 2,269,699 km (0.049 R)
• M8: 3,192,867 km (0.12 R)
• M9: 3,685,643 km (0.111 R)
• M10: 4,695,877 km (0.079 R)
• M11: 5,107,571 km (0.116 R)
• M12: 8,507,332 km (0.074 R)
• M13: 11,364,651 km (0.115 R)
• M14: 11,673,720 km (0.057 R)
• M15: 12,308,913 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454

Radius: 12.8

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.31 AU - 7.11 AU

Year: 6446 Days

Day: 12 Hours

Environment

Temp: -152 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,058,442 km

• M1: 160,070 km (0.112 R)
• M2: 1,194,988 km (0.119 R)
• M3: 3,101,014 km (0.063 R)
• M4: 6,150,268 km (0.103 R)
• M5: 7,697,558 km (0.114 R)
• M6: 8,254,362 km (0.111 R)
• M7: 13,618,193 km (0.055 R)
• M8: 18,614,164 km (0.106 R)
• M9: 22,327,781 km (0.079 R)
• M10: 24,635,179 km (0.109 R)
• M11: 28,300,925 km (0.078 R)
• M12: 31,185,172 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.2

Radius: 5.5

Gravity: 19.68 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 10.71 AU - 14.45 AU

Year: 16547 Days

Day: 22.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 83,058,442 km

• M1: 68,815 km (0.079 R)
• M2: 288,425 km (0.117 R)
• M3: 796,459 km (0.095 R)
• M4: 1,354,758 km (0.061 R)
• M5: 1,563,747 km (0.063 R)
• M6: 2,536,731 km (0.085 R)
• M7: 3,466,332 km (0.03 R)
• M8: 4,283,286 km (0.096 R)
• M9: 5,932,154 km (0.115 R)
• M10: 6,662,640 km (0.104 R)
• M11: 7,093,482 km (0.052 R)
• M12: 7,315,785 km (0.058 R)
• M13: 9,265,195 km (0.069 R)
• M14: 10,472,898 km (0.12 R)
• M15: 13,465,304 km (0.044 R)
• M16: 13,944,466 km (0.115 R)
• M17: 16,668,344 km (0.072 R)
• M18: 26,499,318 km (0.097 R)
• M19: 27,468,862 km (0.082 R)
• M20: 29,023,632 km (0.113 R)
• M21: 30,871,316 km (0.062 R)
• M22: 31,703,828 km (0.117 R)
• M23: 34,164,563 km (0.104 R)
• M24: 38,090,011 km (0.101 R)
• M25: 46,202,405 km (0.12 R)
• M26: 46,511,624 km (0.116 R)
• M27: 56,093,068 km (0.036 R)
• M28: 59,314,209 km (0.113 R)
• M29: 59,496,569 km (0.104 R)
• M30: 62,278,940 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.7

Radius: 5

Gravity: 16.91 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 12.06 AU - 14.72 AU

Year: 18171 Days

Day: 21.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,058,442 km

• M1: 62,981 km (0.096 R)
• M2: 262,993 km (0.07 R)
• M3: 526,285 km (0.115 R)
• M4: 1,179,130 km (0.056 R)
• M5: 1,701,227 km (0.101 R)
• M6: 2,687,227 km (0.08 R)
• M7: 4,400,870 km (0.117 R)
• M8: 6,650,523 km (0.103 R)
• M9: 8,796,205 km (0.106 R)
• M10: 9,943,172 km (0.076 R)
• M11: 29,427,098 km (0.106 R)
• M12: 36,818,430 km (0.041 R)
• M13: 41,713,122 km (0.051 R)
• M14: 42,712,735 km (0.092 R)
• M15: 50,321,433 km (0.067 R)
• M16: 60,221,820 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.9

Radius: 3.8

Gravity: 26.79 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 18.13 AU - 19.57 AU

Year: 30351 Days

Day: 19.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 155.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 83,058,442 km

• M1: 49,068 km (0.106 R)
• M2: 260,749 km (0.078 R)
• M3: 447,896 km (0.117 R)
• M4: 2,333,727 km (0.049 R)
• M5: 4,710,987 km (0.027 R)
• M6: 6,510,051 km (0.095 R)
• M7: 6,927,429 km (0.085 R)
• M8: 8,233,119 km (0.051 R)
• M9: 9,873,310 km (0.044 R)
• M10: 10,299,664 km (0.115 R)
• M11: 10,548,744 km (0.1 R)
• M12: 10,929,770 km (0.12 R)
• M13: 11,123,649 km (0.07 R)
• M14: 12,475,864 km (0.107 R)
• M15: 13,411,150 km (0.083 R)
• M16: 14,782,065 km (0.046 R)
• M17: 16,327,710 km (0.117 R)
• M18: 17,621,432 km (0.1 R)
• M19: 19,735,549 km (0.073 R)
• M20: 20,216,507 km (0.115 R)
• M21: 28,034,791 km (0.09 R)
• M22: 32,207,524 km (0.107 R)
• M23: 35,348,481 km (0.11 R)
• M24: 39,440,431 km (0.111 R)
• M25: 41,286,619 km (0.06 R)
• M26: 51,568,181 km (0.072 R)
• M27: 57,977,852 km (0.077 R)
• M28: 63,430,544 km (0.103 R)
• M29: 65,109,481 km (0.114 R)
• M30: 66,817,889 km (0.113 R)
• M31: 68,555,917 km (0.104 R)
• M32: 72,803,898 km (0.075 R)
• M33: 80,105,770 km (0.047 R)
• M34: 81,327,386 km (0.047 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 10,865 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit