🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.6

Radius: 12.8

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.1 AU - 1.83 AU

Year: 1240 Days

Day: 10.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,770,223 km

• M1: 159,172 km (0.082 R)
• M2: 581,936 km (0.071 R)
• M3: 1,021,155 km (0.101 R)
• M4: 1,485,208 km (0.111 R)
• M5: 1,947,914 km (0.09 R)
• M6: 2,495,592 km (0.067 R)
• M7: 2,965,778 km (0.072 R)
• M8: 3,495,205 km (0.091 R)
• M9: 4,020,293 km (0.09 R)
• M10: 5,432,796 km (0.104 R)
• M11: 6,095,664 km (0.091 R)
• M12: 6,884,195 km (0.119 R)
• M13: 8,275,156 km (0.106 R)
• M14: 9,066,379 km (0.108 R)
• M15: 10,604,245 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.1

Radius: 10.8

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.24 AU - 1.74 AU

Year: 1278 Days

Day: 5.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,770,223 km

• M1: 134,339 km (0.115 R)
• M2: 481,256 km (0.115 R)
• M3: 938,577 km (0.118 R)
• M4: 1,274,723 km (0.107 R)
• M5: 1,866,383 km (0.078 R)
• M6: 2,400,148 km (0.11 R)
• M7: 3,248,967 km (0.11 R)
• M8: 3,891,041 km (0.037 R)
• M9: 4,767,235 km (0.085 R)
• M10: 5,533,476 km (0.106 R)
• M11: 7,595,832 km (0.117 R)
• M12: 9,257,864 km (0.068 R)
• M13: 9,967,407 km (0.083 R)
• M14: 11,218,344 km (0.043 R)
• M15: 11,740,142 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.3

Radius: 12.7

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.68 AU - 3.82 AU

Year: 4118 Days

Day: 7.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,770,223 km

• M1: 157,975 km (0.112 R)
• M2: 553,811 km (0.108 R)
• M3: 982,858 km (0.069 R)
• M4: 1,437,785 km (0.099 R)
• M5: 2,012,839 km (0.105 R)
• M6: 2,779,977 km (0.083 R)
• M7: 3,819,533 km (0.082 R)
• M8: 5,717,780 km (0.034 R)
• M9: 6,912,319 km (0.103 R)
• M10: 9,116,644 km (0.066 R)
• M11: 11,496,148 km (0.089 R)
• M12: 12,632,942 km (0.102 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732.3

Radius: 7.7

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.97 AU - 7.35 AU

Year: 13467 Days

Day: 15.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,770,223 km

• M1: 103,223 km (0.091 R)
• M2: 594,951 km (0.113 R)
• M3: 1,181,374 km (0.085 R)
• M4: 1,755,830 km (0.117 R)
• M5: 2,420,643 km (0.113 R)
• M6: 3,857,979 km (0.107 R)
• M7: 7,644,900 km (0.11 R)
• M8: 9,755,726 km (0.079 R)
• M9: 11,738,945 km (0.087 R)
• M10: 14,044,398 km (0.102 R)
• M11: 15,447,626 km (0.062 R)
• M12: 17,330,016 km (0.094 R)
• M13: 21,184,255 km (0.105 R)
• M14: 26,498,720 km (0.105 R)
• M15: 29,183,702 km (0.09 R)
• M16: 34,216,773 km (0.062 R)
• M17: 36,485,275 km (0.114 R)
• M18: 52,727,116 km (0.048 R)
• M19: 54,222,795 km (0.105 R)
• M20: 59,591,414 km (0.07 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 11,958 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit