🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.53 AU - 0.63 AU

Year: 193 Days

Day: 20.7 Hours

Environment

Temp: 10 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.65 AU - 0.89 AU

Year: 295 Days

Day: 33.8 Hours

Environment

Temp: -24 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.84 AU - 0.98 AU

Year: 379 Days

Day: 19.4 Hours

Environment

Temp: -39 °C

Axial Tilt: 42.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.54 AU - 1.86 AU

Year: 968 Days

Day: 38.2 Hours

Environment

Temp: -112 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,705,676 km

• M1: 466,297 km (0.104 R)

Asteroid Belt

Center: 2.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.1

Radius: 10.7

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.66 AU - 3.1 AU

Year: 2134 Days

Day: 14.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,705,676 km

• M1: 134,638 km (0.088 R)
• M2: 836,850 km (0.104 R)
• M3: 1,386,174 km (0.114 R)
• M4: 2,128,927 km (0.095 R)
• M5: 2,611,829 km (0.041 R)
• M6: 3,498,945 km (0.114 R)
• M7: 4,059,787 km (0.104 R)
• M8: 4,871,355 km (0.085 R)
• M9: 6,494,642 km (0.102 R)
• M10: 9,531,479 km (0.084 R)
• M11: 10,553,980 km (0.113 R)
• M12: 11,765,424 km (0.106 R)
• M13: 14,104,985 km (0.119 R)
• M14: 15,196,750 km (0.079 R)
• M15: 15,667,983 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380

Radius: 11.4

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.88 AU - 3.32 AU

Year: 2383 Days

Day: 12.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,705,676 km

• M1: 141,968 km (0.06 R)
• M2: 534,663 km (0.103 R)
• M3: 920,027 km (0.095 R)
• M4: 1,350,719 km (0.061 R)
• M5: 1,748,949 km (0.076 R)
• M6: 2,107,684 km (0.075 R)
• M7: 2,948,275 km (0.115 R)
• M8: 3,909,292 km (0.11 R)
• M9: 4,877,788 km (0.114 R)
• M10: 5,809,185 km (0.042 R)
• M11: 7,535,245 km (0.069 R)
• M12: 8,379,725 km (0.117 R)
• M13: 8,872,051 km (0.072 R)
• M14: 10,713,302 km (0.042 R)
• M15: 11,330,692 km (0.082 R)
• M16: 12,998,709 km (0.111 R)
• M17: 13,617,445 km (0.092 R)
• M18: 14,692,156 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.5

Radius: 8.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.23 AU - 7.77 AU

Year: 8085 Days

Day: 11.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,705,676 km

• M1: 106,214 km (0.076 R)
• M2: 404,513 km (0.061 R)
• M3: 768,933 km (0.047 R)
• M4: 1,064,688 km (0.115 R)
• M5: 1,380,489 km (0.117 R)
• M6: 2,480,183 km (0.112 R)
• M7: 2,965,479 km (0.06 R)
• M8: 4,470,284 km (0.087 R)
• M9: 4,781,148 km (0.078 R)
• M10: 5,246,098 km (0.111 R)
• M11: 5,651,359 km (0.067 R)
• M12: 6,656,357 km (0.102 R)
• M13: 7,097,073 km (0.101 R)
• M14: 7,521,033 km (0.066 R)
• M15: 7,812,898 km (0.091 R)
• M16: 9,387,715 km (0.111 R)
• M17: 12,081,075 km (0.05 R)
• M18: 13,100,136 km (0.094 R)
• M19: 13,792,624 km (0.119 R)
• M20: 14,286,148 km (0.083 R)
• M21: 16,317,986 km (0.065 R)
• M22: 18,667,720 km (0.094 R)
• M23: 21,524,890 km (0.087 R)
• M24: 22,563,697 km (0.06 R)
• M25: 27,568,793 km (0.119 R)
• M26: 30,883,134 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.9

Radius: 4

Gravity: 21.49 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 13.25 AU - 19.23 AU

Year: 28571 Days

Day: 18.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,705,676 km

• M1: 49,816 km (0.028 R)
• M2: 1,149,660 km (0.069 R)
• M3: 1,938,639 km (0.117 R)
• M4: 3,197,505 km (0.06 R)
• M5: 3,508,369 km (0.08 R)
• M6: 7,462,540 km (0.081 R)
• M7: 12,527,176 km (0.117 R)
• M8: 13,583,935 km (0.067 R)
• M9: 20,523,781 km (0.065 R)
• M10: 21,689,746 km (0.036 R)
• M11: 26,342,689 km (0.105 R)
• M12: 26,568,731 km (0.113 R)
• M13: 37,415,175 km (0.085 R)
• M14: 41,394,329 km (0.046 R)
• M15: 42,315,403 km (0.081 R)
• M16: 43,407,019 km (0.099 R)
• M17: 44,357,564 km (0.076 R)
• M18: 55,560,200 km (0.086 R)
• M19: 66,606,358 km (0.105 R)
• M20: 68,935,297 km (0.117 R)
• M21: 71,537,103 km (0.074 R)
• M22: 73,307,594 km (0.104 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 13,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit