🌌 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: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.43 AU - 0.69 AU

Year: 149 Days

Day: 41.6 Hours

Environment

Temp: 261 °C

Axial Tilt: 1.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.56 AU - 0.78 AU

Year: 195 Days

Day: 34.2 Hours

Environment

Temp: 216 °C

Axial Tilt: 12.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.78 AU - 0.84 AU

Year: 260 Days

Day: 22.8 Hours

Environment

Temp: 155 °C

Axial Tilt: 2.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 102,318,161 km

• M1: 154,235 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.92 AU - 1.16 AU

Year: 378 Days

Day: 27 Hours

Environment

Temp: 41 °C

Axial Tilt: 33.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 102,318,161 km

• M1: 431,141 km (0.079 R)

Asteroid Belt

Center: 8.63 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 16.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462

Radius: 6.7

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 14.73 AU - 17.71 AU

Year: 23285 Days

Day: 19 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 102,318,161 km

• M1: 104,569 km (0.049 R)
• M2: 312,959 km (0.117 R)
• M3: 573,409 km (0.109 R)
• M4: 1,004,400 km (0.109 R)
• M5: 1,292,077 km (0.11 R)
• M6: 1,755,232 km (0.081 R)
• M7: 2,259,676 km (0.118 R)
• M8: 2,982,533 km (0.114 R)
• M9: 3,699,855 km (0.039 R)
• M10: 4,130,846 km (0.095 R)
• M11: 6,366,736 km (0.108 R)
• M12: 7,031,549 km (0.074 R)
• M13: 7,741,690 km (0.109 R)
• M14: 9,526,841 km (0.083 R)
• M15: 10,100,100 km (0.108 R)
• M16: 11,958,405 km (0.032 R)
• M17: 12,422,757 km (0.073 R)
• M18: 12,693,529 km (0.049 R)
• M19: 13,037,305 km (0.066 R)
• M20: 13,458,273 km (0.075 R)
• M21: 16,908,748 km (0.088 R)
• M22: 17,578,348 km (0.115 R)
• M23: 18,615,660 km (0.094 R)
• M24: 19,329,541 km (0.118 R)
• M25: 25,601,731 km (0.096 R)
• M26: 26,150,905 km (0.119 R)
• M27: 27,961,039 km (0.066 R)
• M28: 29,133,886 km (0.075 R)
• M29: 29,853,003 km (0.112 R)
• M30: 30,584,088 km (0.041 R)
• M31: 32,208,721 km (0.114 R)
• M32: 34,153,942 km (0.088 R)
• M33: 38,562,741 km (0.044 R)
• M34: 46,349,459 km (0.091 R)
• M35: 53,677,810 km (0.108 R)
• M36: 54,577,043 km (0.1 R)
• M37: 69,296,576 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793.8

Radius: 6.2

Gravity: 20.65 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 18.35 AU - 18.47 AU

Year: 28156 Days

Day: 22.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 102,318,161 km

• M1: 78,539 km (0.118 R)
• M2: 352,303 km (0.05 R)
• M3: 561,291 km (0.086 R)
• M4: 787,034 km (0.119 R)
• M5: 1,174,642 km (0.09 R)
• M6: 1,663,379 km (0.116 R)
• M7: 2,574,579 km (0.116 R)
• M8: 3,272,603 km (0.093 R)
• M9: 3,950,581 km (0.088 R)
• M10: 5,324,787 km (0.067 R)
• M11: 5,668,862 km (0.091 R)
• M12: 7,092,435 km (0.105 R)
• M13: 14,592,674 km (0.055 R)
• M14: 14,927,025 km (0.104 R)
• M15: 18,752,392 km (0.056 R)
• M16: 19,548,253 km (0.092 R)
• M17: 23,183,930 km (0.096 R)
• M18: 23,984,578 km (0.111 R)
• M19: 25,520,050 km (0.092 R)
• M20: 28,008,761 km (0.113 R)
• M21: 28,266,218 km (0.069 R)
• M22: 28,785,772 km (0.117 R)
• M23: 32,319,573 km (0.098 R)
• M24: 40,726,375 km (0.047 R)
• M25: 48,232,298 km (0.092 R)
• M26: 51,245,050 km (0.103 R)
• M27: 60,816,172 km (0.078 R)
• M28: 63,216,470 km (0.069 R)
• M29: 63,881,881 km (0.084 R)
• M30: 64,327,982 km (0.092 R)
• M31: 73,693,856 km (0.092 R)
• M32: 78,444,635 km (0.087 R)
• M33: 81,286,247 km (0.098 R)
• M34: 83,928,445 km (0.067 R)
• M35: 89,662,381 km (0.117 R)
• M36: 90,783,318 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.6

Radius: 6.5

Gravity: 15.4 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 18.23 AU - 21.87 AU

Year: 32001 Days

Day: 18.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 102,318,161 km

• M1: 80,932 km (0.12 R)
• M2: 337,942 km (0.107 R)
• M3: 687,103 km (0.12 R)
• M4: 911,051 km (0.103 R)
• M5: 1,154,746 km (0.099 R)
• M6: 2,325,200 km (0.057 R)
• M7: 2,868,988 km (0.114 R)
• M8: 4,539,847 km (0.05 R)
• M9: 6,145,481 km (0.111 R)
• M10: 7,024,518 km (0.11 R)
• M11: 7,230,813 km (0.086 R)
• M12: 8,096,536 km (0.083 R)
• M13: 8,789,772 km (0.12 R)
• M14: 9,459,522 km (0.086 R)
• M15: 11,107,193 km (0.092 R)
• M16: 11,529,358 km (0.1 R)
• M17: 11,744,480 km (0.107 R)
• M18: 16,449,333 km (0.107 R)
• M19: 18,422,828 km (0.074 R)
• M20: 21,185,153 km (0.046 R)
• M21: 21,834,557 km (0.117 R)
• M22: 24,329,102 km (0.096 R)
• M23: 26,135,047 km (0.065 R)
• M24: 28,028,358 km (0.114 R)
• M25: 29,876,340 km (0.106 R)
• M26: 30,282,648 km (0.12 R)
• M27: 34,254,172 km (0.038 R)
• M28: 35,449,609 km (0.059 R)
• M29: 36,982,838 km (0.11 R)
• M30: 37,608,306 km (0.062 R)
• M31: 47,486,702 km (0.025 R)
• M32: 50,106,012 km (0.056 R)
• M33: 54,012,461 km (0.119 R)
• M34: 59,815,811 km (0.106 R)
• M35: 63,534,515 km (0.091 R)
• M36: 78,144,393 km (0.117 R)
• M37: 82,581,765 km (0.102 R)

Kuiper Belt

Range: 30.8 - 57.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 11,952 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit