🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.4

Radius: 12.7

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.53 AU - 0.53 AU

Year: 266 Days

Day: 6.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,824,836 km

• M1: 157,975 km (0.045 R)
• M2: 587,321 km (0.113 R)
• M3: 997,668 km (0.108 R)
• M4: 1,419,833 km (0.115 R)
• M5: 1,934,300 km (0.035 R)
• M6: 2,581,610 km (0.06 R)
• M7: 3,145,594 km (0.071 R)
• M8: 4,416,728 km (0.069 R)
• M9: 4,838,743 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.4

Radius: 11.8

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.54 AU - 1.54 AU

Year: 1319 Days

Day: 10.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,824,836 km

• M1: 146,905 km (0.108 R)
• M2: 557,402 km (0.11 R)
• M3: 1,414,298 km (0.112 R)
• M4: 1,952,701 km (0.037 R)
• M5: 2,536,731 km (0.106 R)
• M6: 4,526,981 km (0.098 R)
• M7: 4,913,243 km (0.101 R)
• M8: 6,183,778 km (0.096 R)
• M9: 6,759,131 km (0.114 R)
• M10: 7,688,882 km (0.117 R)
• M11: 8,790,221 km (0.117 R)
• M12: 9,961,872 km (0.072 R)
• M13: 12,056,242 km (0.081 R)
• M14: 12,726,590 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.9

Radius: 10.5

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.24 AU - 2.04 AU

Year: 1450 Days

Day: 13.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,824,836 km

• M1: 130,898 km (0.07 R)
• M2: 523,593 km (0.093 R)
• M3: 874,848 km (0.1 R)
• M4: 1,262,756 km (0.106 R)
• M5: 1,766,452 km (0.113 R)
• M6: 2,100,803 km (0.092 R)
• M7: 2,730,311 km (0.11 R)
• M8: 3,102,959 km (0.061 R)
• M9: 3,638,519 km (0.107 R)
• M10: 3,982,595 km (0.051 R)
• M11: 4,912,794 km (0.055 R)
• M12: 5,583,591 km (0.059 R)
• M13: 7,362,609 km (0.053 R)
• M14: 7,867,053 km (0.105 R)
• M15: 8,419,967 km (0.07 R)
• M16: 8,811,763 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.3

Radius: 14.5

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.32 AU - 3.58 AU

Year: 3497 Days

Day: 13.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,824,836 km

• M1: 180,565 km (0.057 R)
• M2: 738,714 km (0.107 R)
• M3: 1,268,740 km (0.052 R)
• M4: 1,777,971 km (0.087 R)
• M5: 2,236,488 km (0.064 R)
• M6: 3,673,525 km (0.07 R)
• M7: 4,284,034 km (0.105 R)
• M8: 4,780,250 km (0.1 R)
• M9: 5,967,609 km (0.106 R)
• M10: 6,505,563 km (0.078 R)
• M11: 7,164,392 km (0.099 R)
• M12: 8,058,239 km (0.103 R)
• M13: 8,582,579 km (0.074 R)
• M14: 9,483,308 km (0.088 R)
• M15: 10,143,184 km (0.079 R)
• M16: 11,637,218 km (0.055 R)
• M17: 13,454,533 km (0.105 R)
• M18: 14,718,635 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911

Radius: 14.9

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.64 AU - 3.64 AU

Year: 3841 Days

Day: 14.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,824,836 km

• M1: 185,352 km (0.045 R)
• M2: 711,936 km (0.053 R)
• M3: 2,078,214 km (0.119 R)
• M4: 3,131,682 km (0.112 R)
• M5: 4,052,906 km (0.093 R)
• M6: 5,527,641 km (0.072 R)
• M7: 6,013,086 km (0.097 R)
• M8: 6,652,169 km (0.087 R)
• M9: 7,136,118 km (0.071 R)
• M10: 7,643,703 km (0.12 R)
• M11: 8,321,382 km (0.075 R)
• M12: 8,884,468 km (0.082 R)
• M13: 10,511,644 km (0.046 R)
• M14: 12,330,006 km (0.117 R)
• M15: 16,818,391 km (0.085 R)
• M16: 20,152,778 km (0.104 R)
• M17: 22,582,547 km (0.108 R)
• M18: 23,458,891 km (0.086 R)
• M19: 27,111,024 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.6

Radius: 14.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.51 AU - 4.19 AU

Year: 5214 Days

Day: 11.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,824,836 km

• M1: 175,329 km (0.1 R)
• M2: 738,415 km (0.091 R)
• M3: 1,255,575 km (0.065 R)
• M4: 1,783,057 km (0.074 R)
• M5: 2,278,376 km (0.107 R)
• M6: 2,834,730 km (0.094 R)
• M7: 3,319,726 km (0.049 R)
• M8: 4,373,344 km (0.073 R)
• M9: 4,978,617 km (0.113 R)
• M10: 6,111,971 km (0.099 R)
• M11: 6,929,373 km (0.084 R)
• M12: 8,341,128 km (0.118 R)
• M13: 10,629,378 km (0.117 R)
• M14: 11,897,369 km (0.104 R)
• M15: 16,150,287 km (0.118 R)
• M16: 17,326,425 km (0.106 R)
• M17: 17,823,838 km (0.114 R)
• M18: 19,610,486 km (0.076 R)
• M19: 20,516,600 km (0.09 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 11,613 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit