🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.7 AU - 0.96 AU

Year: 267 Days

Day: 13.2 Hours

Environment

Temp: 106 °C

Axial Tilt: 2.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.11 AU - 1.29 AU

Year: 464 Days

Day: 18.1 Hours

Environment

Temp: 31 °C

Axial Tilt: 32.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 87,336,675 km

• M1: 73,752 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.52 AU - 1.7 AU

Year: 721 Days

Day: 47.6 Hours

Environment

Temp: -37 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.84 AU - 4.74 AU

Year: 3138 Days

Day: 27.8 Hours

Environment

Temp: -115 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.88 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.6

Radius: 9.6

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.26 AU - 5.66 AU

Year: 4505 Days

Day: 10.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,336,675 km

• M1: 119,977 km (0.069 R)
• M2: 419,173 km (0.102 R)
• M3: 747,690 km (0.103 R)
• M4: 1,114,355 km (0.093 R)
• M5: 1,493,585 km (0.084 R)
• M6: 2,642,198 km (0.077 R)
• M7: 2,988,068 km (0.062 R)
• M8: 3,458,254 km (0.112 R)
• M9: 4,019,246 km (0.096 R)
• M10: 6,500,626 km (0.085 R)
• M11: 7,104,104 km (0.094 R)
• M12: 8,422,959 km (0.119 R)
• M13: 9,140,430 km (0.11 R)
• M14: 9,666,566 km (0.089 R)
• M15: 11,239,138 km (0.098 R)
• M16: 12,514,311 km (0.11 R)
• M17: 15,245,220 km (0.096 R)
• M18: 17,028,426 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774

Radius: 12.6

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.04 AU - 7.82 AU

Year: 6442 Days

Day: 6.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,336,675 km

• M1: 156,779 km (0.115 R)
• M2: 695,331 km (0.094 R)
• M3: 1,261,409 km (0.073 R)
• M4: 1,886,728 km (0.057 R)
• M5: 3,084,409 km (0.099 R)
• M6: 3,909,142 km (0.072 R)
• M7: 4,791,769 km (0.11 R)
• M8: 5,584,040 km (0.109 R)
• M9: 6,259,025 km (0.119 R)
• M10: 7,059,972 km (0.052 R)
• M11: 9,968,604 km (0.108 R)
• M12: 10,720,632 km (0.084 R)
• M13: 11,816,137 km (0.106 R)
• M14: 12,820,986 km (0.087 R)
• M15: 14,054,870 km (0.096 R)
• M16: 15,182,837 km (0.076 R)
• M17: 16,178,711 km (0.093 R)
• M18: 21,359,135 km (0.069 R)
• M19: 23,578,120 km (0.102 R)
• M20: 24,406,593 km (0.081 R)
• M21: 25,685,655 km (0.084 R)
• M22: 26,209,547 km (0.115 R)
• M23: 28,007,863 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160

Radius: 14.6

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.25 AU - 8.03 AU

Year: 6737 Days

Day: 5.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,336,675 km

• M1: 181,612 km (0.104 R)
• M2: 858,542 km (0.095 R)
• M3: 1,349,373 km (0.112 R)
• M4: 3,744,734 km (0.105 R)
• M5: 4,327,118 km (0.075 R)
• M6: 5,042,346 km (0.056 R)
• M7: 6,080,705 km (0.09 R)
• M8: 7,010,605 km (0.053 R)
• M9: 7,574,140 km (0.106 R)
• M10: 9,190,096 km (0.072 R)
• M11: 10,575,672 km (0.116 R)
• M12: 12,052,502 km (0.096 R)
• M13: 14,847,439 km (0.069 R)
• M14: 15,569,398 km (0.04 R)
• M15: 17,647,762 km (0.059 R)
• M16: 18,872,669 km (0.113 R)
• M17: 19,597,620 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303

Radius: 13.7

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 9.42 AU - 12.08 AU

Year: 12445 Days

Day: 6.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,336,675 km

• M1: 170,392 km (0.1 R)
• M2: 709,692 km (0.054 R)
• M3: 1,575,415 km (0.119 R)
• M4: 2,200,136 km (0.058 R)
• M5: 3,333,190 km (0.068 R)
• M6: 4,240,202 km (0.116 R)
• M7: 4,824,681 km (0.082 R)
• M8: 6,507,208 km (0.042 R)
• M9: 7,404,047 km (0.079 R)
• M10: 7,841,920 km (0.119 R)
• M11: 9,080,292 km (0.089 R)
• M12: 10,298,018 km (0.026 R)
• M13: 12,999,008 km (0.063 R)
• M14: 17,783,746 km (0.054 R)
• M15: 20,451,226 km (0.116 R)
• M16: 24,408,987 km (0.074 R)
• M17: 28,364,654 km (0.071 R)
• M18: 30,748,795 km (0.109 R)
• M19: 32,094,727 km (0.115 R)
• M20: 36,026,309 km (0.108 R)
• M21: 38,462,361 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.7

Radius: 4.8

Gravity: 15.39 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 12.63 AU - 14.45 AU

Year: 17592 Days

Day: 15.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,336,675 km

• M1: 59,989 km (0.075 R)
• M2: 213,476 km (0.112 R)
• M3: 514,766 km (0.052 R)
• M4: 1,356,853 km (0.101 R)
• M5: 1,665,174 km (0.055 R)
• M6: 1,827,787 km (0.071 R)
• M7: 2,073,426 km (0.106 R)
• M8: 4,093,596 km (0.04 R)
• M9: 9,638,740 km (0.03 R)
• M10: 10,112,367 km (0.12 R)
• M11: 12,778,201 km (0.102 R)
• M12: 13,029,975 km (0.084 R)
• M13: 14,004,006 km (0.058 R)
• M14: 15,661,850 km (0.077 R)
• M15: 17,139,877 km (0.115 R)
• M16: 18,547,294 km (0.118 R)
• M17: 18,870,126 km (0.111 R)
• M18: 21,148,801 km (0.057 R)
• M19: 29,838,043 km (0.03 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.1

Radius: 7.2

Gravity: 17.86 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 13.21 AU - 17.41 AU

Year: 21152 Days

Day: 24.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 87,336,675 km

• M1: 89,908 km (0.053 R)
• M2: 328,966 km (0.103 R)
• M3: 589,864 km (0.068 R)
• M4: 1,151,006 km (0.114 R)
• M5: 4,839,342 km (0.093 R)
• M6: 6,146,827 km (0.059 R)
• M7: 7,623,358 km (0.116 R)
• M8: 11,459,945 km (0.088 R)
• M9: 12,786,728 km (0.114 R)
• M10: 14,844,148 km (0.058 R)
• M11: 15,085,599 km (0.062 R)
• M12: 16,247,077 km (0.104 R)
• M13: 17,917,337 km (0.086 R)
• M14: 19,795,688 km (0.12 R)
• M15: 20,582,573 km (0.113 R)
• M16: 26,330,272 km (0.108 R)
• M17: 29,000,894 km (0.109 R)
• M18: 46,628,160 km (0.097 R)
• M19: 47,843,643 km (0.068 R)
• M20: 55,777,416 km (0.117 R)
• M21: 59,952,394 km (0.1 R)
• M22: 60,976,242 km (0.102 R)
• M23: 62,848,459 km (0.102 R)
• M24: 73,952,211 km (0.118 R)
• M25: 77,039,313 km (0.109 R)
• M26: 77,763,666 km (0.085 R)
• M27: 78,981,093 km (0.038 R)
• M28: 83,469,179 km (0.117 R)

Kuiper Belt

Range: 31.1 - 51.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 17,154 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit