🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.49 AU - 0.67 AU

Year: 169 Days

Day: 28.9 Hours

Environment

Temp: 117 °C

Axial Tilt: 29.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.82 AU - 0.82 AU

Year: 284 Days

Day: 40.8 Hours

Environment

Temp: 44 °C

Axial Tilt: 2.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.96 AU - 1.12 AU

Year: 406 Days

Day: 44.5 Hours

Environment

Temp: 14 °C

Axial Tilt: 0.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 4.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.8

Radius: 14

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.22 AU - 8.6 AU

Year: 8518 Days

Day: 10.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,765,322 km

• M1: 174,132 km (0.066 R)
• M2: 780,602 km (0.061 R)
• M3: 1,355,656 km (0.119 R)
• M4: 1,907,373 km (0.087 R)
• M5: 2,440,839 km (0.062 R)
• M6: 3,384,203 km (0.091 R)
• M7: 4,474,622 km (0.05 R)
• M8: 5,989,600 km (0.104 R)
• M9: 6,846,347 km (0.101 R)
• M10: 7,461,942 km (0.113 R)
• M11: 9,864,633 km (0.06 R)
• M12: 10,450,758 km (0.093 R)
• M13: 11,268,460 km (0.039 R)
• M14: 12,687,695 km (0.076 R)
• M15: 15,163,689 km (0.039 R)
• M16: 15,747,569 km (0.111 R)
• M17: 16,617,631 km (0.079 R)
• M18: 18,747,605 km (0.1 R)
• M19: 21,375,142 km (0.119 R)
• M20: 22,609,025 km (0.095 R)
• M21: 23,286,255 km (0.1 R)
• M22: 25,308,968 km (0.104 R)
• M23: 26,596,108 km (0.097 R)
• M24: 27,541,866 km (0.09 R)
• M25: 30,207,700 km (0.043 R)
• M26: 32,933,373 km (0.067 R)
• M27: 37,323,322 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.6

Radius: 10

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.34 AU - 9.48 AU

Year: 8518 Days

Day: 14 Hours

Environment

Temp: -170 °C

Axial Tilt: 100 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,765,322 km

• M1: 126,111 km (0.109 R)
• M2: 531,222 km (0.065 R)
• M3: 993,779 km (0.111 R)
• M4: 1,475,783 km (0.068 R)
• M5: 1,919,191 km (0.056 R)
• M6: 2,388,480 km (0.086 R)
• M7: 3,207,079 km (0.094 R)
• M8: 5,205,557 km (0.036 R)
• M9: 8,098,182 km (0.09 R)
• M10: 10,592,128 km (0.071 R)
• M11: 12,626,210 km (0.107 R)
• M12: 15,670,527 km (0.093 R)
• M13: 17,273,617 km (0.11 R)
• M14: 18,732,346 km (0.069 R)
• M15: 23,892,874 km (0.037 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.7

Radius: 4.5

Gravity: 42.45 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 11.6 AU - 16.22 AU

Year: 19864 Days

Day: 20.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,765,322 km

• M1: 252,372 km (0.037 R)
• M2: 540,048 km (0.054 R)
• M3: 1,010,982 km (0.102 R)
• M4: 1,198,728 km (0.084 R)
• M5: 1,441,824 km (0.101 R)
• M6: 1,810,134 km (0.085 R)
• M7: 2,026,602 km (0.092 R)
• M8: 3,180,750 km (0.05 R)
• M9: 3,865,160 km (0.073 R)
• M10: 5,479,620 km (0.116 R)
• M11: 6,191,706 km (0.103 R)
• M12: 7,202,240 km (0.117 R)
• M13: 7,348,098 km (0.12 R)
• M14: 7,495,901 km (0.1 R)
• M15: 8,159,367 km (0.114 R)
• M16: 9,898,592 km (0.112 R)
• M17: 10,950,115 km (0.118 R)
• M18: 21,159,123 km (0.103 R)
• M19: 22,685,320 km (0.062 R)
• M20: 25,501,799 km (0.11 R)
• M21: 30,784,399 km (0.058 R)
• M22: 33,544,331 km (0.03 R)
• M23: 41,234,110 km (0.087 R)
• M24: 52,714,550 km (0.097 R)
• M25: 63,839,246 km (0.048 R)
• M26: 71,614,894 km (0.03 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.2

Radius: 7.2

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 12.24 AU - 16.62 AU

Year: 20988 Days

Day: 16.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 58,765,322 km

• M1: 89,759 km (0.093 R)
• M2: 321,187 km (0.114 R)
• M3: 557,102 km (0.106 R)
• M4: 945,608 km (0.111 R)
• M5: 1,238,820 km (0.095 R)
• M6: 1,761,365 km (0.103 R)
• M7: 2,064,750 km (0.12 R)
• M8: 4,584,277 km (0.083 R)
• M9: 5,678,586 km (0.113 R)
• M10: 6,305,849 km (0.103 R)
• M11: 6,815,978 km (0.046 R)
• M12: 7,060,571 km (0.087 R)
• M13: 7,918,514 km (0.084 R)
• M14: 8,280,541 km (0.082 R)
• M15: 9,433,043 km (0.04 R)
• M16: 9,943,621 km (0.115 R)
• M17: 10,908,677 km (0.109 R)
• M18: 12,350,651 km (0.065 R)
• M19: 12,714,772 km (0.115 R)
• M20: 13,464,706 km (0.055 R)
• M21: 14,576,966 km (0.079 R)
• M22: 15,189,869 km (0.059 R)
• M23: 19,396,561 km (0.048 R)
• M24: 19,641,752 km (0.1 R)
• M25: 20,558,039 km (0.105 R)
• M26: 20,983,794 km (0.083 R)
• M27: 22,746,207 km (0.091 R)
• M28: 24,414,672 km (0.09 R)
• M29: 24,988,529 km (0.112 R)
• M30: 25,669,349 km (0.033 R)
• M31: 28,621,962 km (0.104 R)
• M32: 29,582,530 km (0.107 R)
• M33: 30,896,299 km (0.079 R)
• M34: 32,248,663 km (0.033 R)
• M35: 39,475,288 km (0.113 R)
• M36: 46,972,235 km (0.051 R)
• M37: 48,908,780 km (0.093 R)
• M38: 51,053,265 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.1

Radius: 6.6

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 13.28 AU - 16.76 AU

Year: 22288 Days

Day: 21.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,765,322 km

• M1: 82,129 km (0.105 R)
• M2: 304,880 km (0.091 R)
• M3: 625,618 km (0.112 R)
• M4: 999,015 km (0.046 R)
• M5: 1,315,863 km (0.08 R)
• M6: 1,898,846 km (0.108 R)
• M7: 2,598,066 km (0.12 R)
• M8: 4,276,405 km (0.09 R)
• M9: 6,451,109 km (0.077 R)
• M10: 7,199,547 km (0.05 R)
• M11: 9,017,909 km (0.069 R)
• M12: 11,238,241 km (0.071 R)
• M13: 11,472,810 km (0.111 R)
• M14: 17,030,072 km (0.098 R)
• M15: 21,263,393 km (0.099 R)
• M16: 27,292,636 km (0.07 R)
• M17: 30,923,525 km (0.109 R)
• M18: 35,740,726 km (0.117 R)
• M19: 40,209,514 km (0.086 R)
• M20: 40,896,617 km (0.063 R)
• M21: 43,723,418 km (0.115 R)
• M22: 44,158,449 km (0.072 R)
• M23: 56,334,968 km (0.097 R)
• M24: 58,765,335 km (0.115 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 10,200 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit