🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.9

Radius: 12.7

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.42 AU - 0.62 AU

Year: 264 Days

Day: 8.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,238,990 km

• M1: 157,975 km (0.028 R)
• M2: 576,700 km (0.069 R)
• M3: 974,780 km (0.107 R)
• M4: 1,442,722 km (0.055 R)
• M5: 1,934,151 km (0.092 R)
• M6: 2,435,005 km (0.082 R)
• M7: 3,197,206 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552

Radius: 9.8

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.6 AU - 0.72 AU

Year: 377 Days

Day: 8.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,238,990 km

• M1: 122,820 km (0.112 R)
• M2: 437,275 km (0.088 R)
• M3: 744,549 km (0.119 R)
• M4: 1,101,340 km (0.104 R)
• M5: 1,416,393 km (0.117 R)
• M6: 1,722,021 km (0.101 R)
• M7: 2,320,712 km (0.108 R)
• M8: 2,789,851 km (0.114 R)
• M9: 3,179,703 km (0.101 R)
• M10: 3,536,045 km (0.074 R)
• M11: 4,436,774 km (0.058 R)
• M12: 4,783,093 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.8

Radius: 11.4

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.19 AU - 3.89 AU

Year: 4682 Days

Day: 7.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,238,990 km

• M1: 142,268 km (0.084 R)
• M2: 804,238 km (0.086 R)
• M3: 1,165,667 km (0.12 R)
• M4: 1,568,234 km (0.096 R)
• M5: 2,226,764 km (0.075 R)
• M6: 2,920,150 km (0.056 R)
• M7: 4,397,130 km (0.098 R)
• M8: 5,441,772 km (0.109 R)
• M9: 7,092,734 km (0.105 R)
• M10: 7,801,978 km (0.094 R)
• M11: 11,434,513 km (0.099 R)
• M12: 13,264,694 km (0.045 R)
• M13: 14,295,573 km (0.104 R)
• M14: 15,524,369 km (0.03 R)
• M15: 16,364,960 km (0.109 R)
• M16: 17,340,188 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.2

Radius: 12.3

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.5 AU - 5.34 AU

Year: 6532 Days

Day: 6.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,238,990 km

• M1: 153,936 km (0.043 R)
• M2: 1,308,383 km (0.078 R)
• M3: 2,152,564 km (0.083 R)
• M4: 2,987,769 km (0.117 R)
• M5: 4,685,555 km (0.084 R)
• M6: 7,308,454 km (0.083 R)
• M7: 7,787,766 km (0.051 R)
• M8: 8,687,448 km (0.099 R)
• M9: 9,183,664 km (0.111 R)
• M10: 9,611,663 km (0.096 R)
• M11: 13,151,598 km (0.107 R)
• M12: 14,656,552 km (0.111 R)
• M13: 16,397,572 km (0.112 R)
• M14: 18,005,899 km (0.12 R)
• M15: 18,407,120 km (0.104 R)
• M16: 19,296,779 km (0.111 R)
• M17: 21,459,366 km (0.107 R)
• M18: 22,138,540 km (0.12 R)
• M19: 24,181,299 km (0.066 R)
• M20: 25,751,478 km (0.08 R)
• M21: 26,604,635 km (0.09 R)
• M22: 30,679,083 km (0.097 R)
• M23: 32,124,796 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.7

Radius: 13.7

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.19 AU - 5.29 AU

Year: 7254 Days

Day: 11.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,238,990 km

• M1: 171,140 km (0.058 R)
• M2: 599,439 km (0.037 R)
• M3: 1,031,029 km (0.109 R)
• M4: 1,750,594 km (0.074 R)
• M5: 2,308,445 km (0.068 R)
• M6: 4,624,818 km (0.063 R)
• M7: 7,311,746 km (0.079 R)
• M8: 8,402,763 km (0.117 R)
• M9: 9,465,955 km (0.057 R)
• M10: 15,234,748 km (0.104 R)
• M11: 17,010,325 km (0.057 R)
• M12: 25,677,577 km (0.055 R)
• M13: 27,361,750 km (0.074 R)
• M14: 30,169,403 km (0.058 R)
• M15: 34,945,913 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.6

Radius: 5.8

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 7.4 AU - 8.2 AU

Year: 15313 Days

Day: 20.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,238,990 km

• M1: 72,106 km (0.102 R)
• M2: 1,032,076 km (0.097 R)
• M3: 1,580,053 km (0.1 R)
• M4: 1,863,092 km (0.105 R)
• M5: 2,690,069 km (0.084 R)
• M6: 3,663,203 km (0.082 R)
• M7: 4,270,870 km (0.105 R)
• M8: 6,496,587 km (0.088 R)
• M9: 7,751,862 km (0.085 R)
• M10: 8,004,084 km (0.089 R)
• M11: 8,930,394 km (0.036 R)
• M12: 13,839,897 km (0.113 R)
• M13: 18,226,855 km (0.067 R)
• M14: 21,178,122 km (0.093 R)
• M15: 21,754,373 km (0.092 R)
• M16: 22,004,650 km (0.066 R)
• M17: 29,001,642 km (0.059 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 14,703 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit