🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.45 AU - 0.63 AU

Year: 260 Days

Day: 12.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 89.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.4

Radius: 14.1

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.21 AU - 1.31 AU

Year: 928 Days

Day: 11.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,120,568 km

• M1: 175,329 km (0.108 R)
• M2: 618,438 km (0.12 R)
• M3: 1,086,230 km (0.118 R)
• M4: 2,109,779 km (0.053 R)
• M5: 2,857,768 km (0.117 R)
• M6: 3,401,257 km (0.027 R)
• M7: 4,058,889 km (0.111 R)
• M8: 4,549,122 km (0.117 R)
• M9: 5,803,949 km (0.101 R)
• M10: 8,400,668 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.1

Radius: 10.7

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.44 AU - 1.56 AU

Year: 1205 Days

Day: 13.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,120,568 km

• M1: 136,882 km (0.054 R)
• M2: 495,468 km (0.095 R)
• M3: 859,440 km (0.043 R)
• M4: 1,247,945 km (0.082 R)
• M5: 1,731,147 km (0.074 R)
• M6: 2,075,521 km (0.086 R)
• M7: 3,285,169 km (0.091 R)
• M8: 3,819,533 km (0.09 R)
• M9: 4,158,821 km (0.07 R)
• M10: 5,063,140 km (0.067 R)
• M11: 5,869,622 km (0.118 R)
• M12: 6,479,682 km (0.096 R)
• M13: 6,861,606 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.1

Radius: 9.1

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.85 AU - 1.87 AU

Year: 1664 Days

Day: 10.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,120,568 km

• M1: 124,316 km (0.077 R)
• M2: 490,531 km (0.069 R)
• M3: 954,734 km (0.09 R)
• M4: 1,696,889 km (0.044 R)
• M5: 2,143,737 km (0.114 R)
• M6: 4,669,548 km (0.099 R)
• M7: 4,971,137 km (0.087 R)
• M8: 5,846,883 km (0.069 R)
• M9: 6,845,898 km (0.108 R)
• M10: 7,538,386 km (0.115 R)
• M11: 8,358,781 km (0.078 R)
• M12: 8,691,935 km (0.109 R)
• M13: 9,062,789 km (0.104 R)
• M14: 10,428,916 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.2

Radius: 8

Gravity: 11.28 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.76 AU - 2.22 AU

Year: 1842 Days

Day: 7.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,120,568 km

• M1: 109,805 km (0.08 R)
• M2: 498,311 km (0.094 R)
• M3: 1,096,253 km (0.112 R)
• M4: 1,500,915 km (0.118 R)
• M5: 2,156,603 km (0.116 R)
• M6: 2,653,717 km (0.119 R)
• M7: 3,036,238 km (0.095 R)
• M8: 3,289,508 km (0.111 R)
• M9: 4,212,975 km (0.088 R)
• M10: 5,504,902 km (0.069 R)
• M11: 5,980,773 km (0.11 R)
• M12: 6,355,516 km (0.073 R)
• M13: 6,693,009 km (0.096 R)
• M14: 7,069,696 km (0.086 R)
• M15: 7,924,648 km (0.101 R)
• M16: 8,254,811 km (0.114 R)
• M17: 9,300,799 km (0.081 R)
• M18: 10,939,494 km (0.116 R)
• M19: 11,885,401 km (0.099 R)
• M20: 12,318,487 km (0.118 R)
• M21: 13,257,962 km (0.105 R)
• M22: 13,510,782 km (0.075 R)
• M23: 14,156,746 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10

Radius: 10.7

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.55 AU - 3.57 AU

Year: 4406 Days

Day: 14.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,120,568 km

• M1: 133,441 km (0.096 R)
• M2: 594,801 km (0.114 R)
• M3: 994,676 km (0.09 R)
• M4: 1,526,945 km (0.117 R)
• M5: 2,752,302 km (0.097 R)
• M6: 6,723,975 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 735.8

Radius: 4.9

Gravity: 30.65 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.64 AU - 8.9 AU

Year: 14208 Days

Day: 21.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,120,568 km

• M1: 72,405 km (0.116 R)
• M2: 234,719 km (0.076 R)
• M3: 440,715 km (0.105 R)
• M4: 610,659 km (0.048 R)
• M5: 896,540 km (0.044 R)
• M6: 2,540,321 km (0.095 R)
• M7: 2,741,231 km (0.089 R)
• M8: 3,025,617 km (0.066 R)
• M9: 6,054,675 km (0.027 R)
• M10: 7,762,185 km (0.05 R)
• M11: 12,216,761 km (0.107 R)
• M12: 14,338,058 km (0.116 R)
• M13: 15,856,178 km (0.108 R)
• M14: 21,594,901 km (0.062 R)
• M15: 22,338,403 km (0.113 R)
• M16: 23,388,430 km (0.031 R)
• M17: 34,737,673 km (0.118 R)
• M18: 45,244,978 km (0.051 R)
• M19: 50,076,541 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.7

Radius: 3

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.81 AU - 10.73 AU

Year: 17038 Days

Day: 20.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,120,568 km

• M1: 37,399 km (0.069 R)
• M2: 519,105 km (0.103 R)
• M3: 803,640 km (0.084 R)
• M4: 1,128,566 km (0.09 R)
• M5: 2,313,830 km (0.109 R)
• M6: 3,817,139 km (0.095 R)
• M7: 5,178,779 km (0.066 R)
• M8: 5,739,173 km (0.034 R)
• M9: 6,373,468 km (0.079 R)
• M10: 6,797,278 km (0.091 R)
• M11: 7,858,825 km (0.115 R)
• M12: 12,385,507 km (0.071 R)
• M13: 12,657,177 km (0.076 R)
• M14: 14,670,465 km (0.066 R)
• M15: 15,469,617 km (0.092 R)
• M16: 16,103,612 km (0.082 R)
• M17: 17,221,108 km (0.106 R)
• M18: 25,201,856 km (0.117 R)
• M19: 29,692,335 km (0.116 R)
• M20: 36,765,921 km (0.083 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 19,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit