🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.52 AU - 0.72 AU

Year: 187 Days

Day: 19.8 Hours

Environment

Temp: 133 °C

Axial Tilt: 7.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.05 AU - 1.23 AU

Year: 466 Days

Day: 23.1 Hours

Environment

Temp: -6 °C

Axial Tilt: 42.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 2.94 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247

Radius: 10

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.76 AU - 5.7 AU

Year: 3939 Days

Day: 11.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,695,192 km

• M1: 124,465 km (0.114 R)
• M2: 455,526 km (0.068 R)
• M3: 784,641 km (0.06 R)
• M4: 1,196,185 km (0.101 R)
• M5: 1,602,492 km (0.119 R)
• M6: 2,346,143 km (0.058 R)
• M7: 2,699,344 km (0.091 R)
• M8: 4,196,519 km (0.069 R)
• M9: 6,863,850 km (0.069 R)
• M10: 8,698,518 km (0.057 R)
• M11: 9,944,668 km (0.103 R)
• M12: 10,877,560 km (0.113 R)
• M13: 12,031,708 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.2

Radius: 13.9

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.89 AU - 5.17 AU

Year: 4319 Days

Day: 6.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,695,192 km

• M1: 175,329 km (0.088 R)
• M2: 616,792 km (0.084 R)
• M3: 1,909,168 km (0.092 R)
• M4: 2,589,988 km (0.103 R)
• M5: 3,035,490 km (0.101 R)
• M6: 3,746,529 km (0.112 R)
• M7: 4,847,869 km (0.063 R)
• M8: 5,705,214 km (0.059 R)
• M9: 6,628,981 km (0.066 R)
• M10: 7,402,851 km (0.119 R)
• M11: 9,623,781 km (0.095 R)
• M12: 10,133,760 km (0.093 R)
• M13: 10,572,530 km (0.096 R)
• M14: 13,011,424 km (0.068 R)
• M15: 13,901,981 km (0.119 R)
• M16: 14,721,178 km (0.12 R)
• M17: 15,456,901 km (0.097 R)
• M18: 16,757,804 km (0.03 R)
• M19: 17,622,928 km (0.109 R)
• M20: 20,397,819 km (0.111 R)
• M21: 21,599,689 km (0.072 R)
• M22: 24,222,139 km (0.103 R)
• M23: 25,731,432 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.5

Radius: 12.6

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.81 AU - 7.41 AU

Year: 5783 Days

Day: 13.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,695,192 km

• M1: 173,833 km (0.079 R)
• M2: 805,136 km (0.086 R)
• M3: 1,358,349 km (0.102 R)
• M4: 2,089,882 km (0.116 R)
• M5: 2,676,605 km (0.098 R)
• M6: 3,571,649 km (0.037 R)
• M7: 4,070,708 km (0.117 R)
• M8: 4,677,327 km (0.095 R)
• M9: 6,448,267 km (0.045 R)
• M10: 10,393,162 km (0.072 R)
• M11: 12,030,212 km (0.094 R)
• M12: 12,666,153 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.4

Radius: 13.5

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.78 AU - 7.92 AU

Year: 7630 Days

Day: 5.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,695,192 km

• M1: 168,148 km (0.12 R)
• M2: 676,781 km (0.12 R)
• M3: 1,164,320 km (0.075 R)
• M4: 1,777,971 km (0.099 R)
• M5: 3,263,627 km (0.093 R)
• M6: 4,009,223 km (0.085 R)
• M7: 4,780,849 km (0.116 R)
• M8: 5,308,032 km (0.109 R)
• M9: 6,445,424 km (0.115 R)
• M10: 6,870,881 km (0.101 R)
• M11: 7,660,907 km (0.105 R)
• M12: 8,098,331 km (0.054 R)
• M13: 8,850,509 km (0.068 R)
• M14: 9,288,233 km (0.117 R)
• M15: 15,295,784 km (0.029 R)
• M16: 17,447,749 km (0.104 R)
• M17: 17,929,006 km (0.102 R)
• M18: 20,621,618 km (0.044 R)
• M19: 21,550,022 km (0.039 R)
• M20: 26,796,719 km (0.095 R)
• M21: 30,105,973 km (0.037 R)
• M22: 37,867,559 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 321.5

Radius: 5.1

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 10.46 AU - 13.5 AU

Year: 15876 Days

Day: 17.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,695,192 km

• M1: 63,429 km (0.08 R)
• M2: 266,883 km (0.06 R)
• M3: 4,405,956 km (0.069 R)
• M4: 4,615,992 km (0.103 R)
• M5: 5,056,258 km (0.106 R)
• M6: 10,252,092 km (0.057 R)
• M7: 11,555,837 km (0.103 R)
• M8: 14,686,173 km (0.118 R)
• M9: 15,020,524 km (0.1 R)
• M10: 15,704,336 km (0.12 R)
• M11: 16,987,437 km (0.105 R)
• M12: 19,518,184 km (0.099 R)
• M13: 20,747,429 km (0.105 R)
• M14: 24,743,488 km (0.12 R)
• M15: 25,026,826 km (0.041 R)
• M16: 26,279,559 km (0.085 R)
• M17: 29,118,777 km (0.117 R)
• M18: 30,180,323 km (0.039 R)
• M19: 31,047,991 km (0.101 R)
• M20: 36,974,011 km (0.101 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: 189 - 18,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit