🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792

Radius: 11

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.9 AU - 1.18 AU

Year: 696 Days

Day: 9.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,306,805 km

• M1: 136,732 km (0.096 R)
• M2: 495,767 km (0.116 R)
• M3: 1,062,893 km (0.118 R)
• M4: 1,647,073 km (0.072 R)
• M5: 1,991,148 km (0.113 R)
• M6: 2,689,321 km (0.09 R)
• M7: 3,711,972 km (0.112 R)
• M8: 4,234,069 km (0.071 R)
• M9: 6,742,675 km (0.098 R)
• M10: 7,430,077 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.2

Radius: 10.9

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.27 AU - 1.43 AU

Year: 1029 Days

Day: 8.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,306,805 km

• M1: 135,536 km (0.065 R)
• M2: 526,585 km (0.076 R)
• M3: 999,164 km (0.116 R)
• M4: 1,398,291 km (0.11 R)
• M5: 2,049,491 km (0.115 R)
• M6: 2,509,504 km (0.119 R)
• M7: 4,043,182 km (0.049 R)
• M8: 4,772,172 km (0.083 R)
• M9: 5,293,221 km (0.055 R)
• M10: 5,642,682 km (0.08 R)
• M11: 6,806,404 km (0.101 R)
• M12: 7,956,064 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.7

Radius: 14.7

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.63 AU - 1.65 AU

Year: 1378 Days

Day: 7.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,306,805 km

• M1: 186,100 km (0.04 R)
• M2: 661,372 km (0.079 R)
• M3: 1,374,206 km (0.074 R)
• M4: 1,983,219 km (0.111 R)
• M5: 3,044,167 km (0.079 R)
• M6: 3,646,897 km (0.086 R)
• M7: 4,203,551 km (0.111 R)
• M8: 4,855,947 km (0.103 R)
• M9: 7,594,635 km (0.117 R)
• M10: 8,084,419 km (0.109 R)
• M11: 8,711,682 km (0.104 R)
• M12: 9,556,910 km (0.12 R)
• M13: 10,589,285 km (0.097 R)
• M14: 11,236,595 km (0.116 R)
• M15: 12,238,751 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.9

Radius: 14.3

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.57 AU - 1.91 AU

Year: 1506 Days

Day: 6.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,306,805 km

• M1: 177,872 km (0.071 R)
• M2: 665,860 km (0.118 R)
• M3: 1,213,089 km (0.068 R)
• M4: 1,966,763 km (0.099 R)
• M5: 2,463,578 km (0.059 R)
• M6: 3,045,065 km (0.105 R)
• M7: 4,920,723 km (0.072 R)
• M8: 6,481,477 km (0.037 R)
• M9: 7,157,211 km (0.1 R)
• M10: 8,008,872 km (0.11 R)
• M11: 8,595,295 km (0.062 R)
• M12: 9,181,719 km (0.084 R)
• M13: 10,435,050 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.2

Radius: 8.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.45 AU - 3.49 AU

Year: 3358 Days

Day: 8.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,306,805 km

• M1: 110,702 km (0.117 R)
• M2: 404,513 km (0.107 R)
• M3: 685,906 km (0.074 R)
• M4: 1,021,305 km (0.097 R)
• M5: 1,321,548 km (0.107 R)
• M6: 1,771,089 km (0.119 R)
• M7: 2,071,781 km (0.071 R)
• M8: 2,709,068 km (0.107 R)
• M9: 3,311,349 km (0.06 R)
• M10: 4,369,305 km (0.118 R)
• M11: 4,661,021 km (0.093 R)
• M12: 5,637,895 km (0.094 R)
• M13: 5,913,753 km (0.094 R)
• M14: 7,514,301 km (0.073 R)
• M15: 8,077,986 km (0.079 R)
• M16: 8,399,771 km (0.06 R)
• M17: 9,037,955 km (0.102 R)
• M18: 12,567,717 km (0.089 R)
• M19: 13,483,705 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.5

Radius: 6.6

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.15 AU - 7.09 AU

Year: 9932 Days

Day: 24 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,306,805 km

• M1: 126,859 km (0.09 R)
• M2: 568,771 km (0.086 R)
• M3: 950,545 km (0.118 R)
• M4: 3,549,060 km (0.11 R)
• M5: 4,760,503 km (0.098 R)
• M6: 5,152,300 km (0.084 R)
• M7: 5,538,861 km (0.119 R)
• M8: 5,916,895 km (0.094 R)
• M9: 7,603,611 km (0.045 R)
• M10: 8,002,888 km (0.1 R)
• M11: 10,093,219 km (0.113 R)
• M12: 10,864,097 km (0.097 R)
• M13: 13,604,281 km (0.109 R)
• M14: 15,211,261 km (0.041 R)
• M15: 16,940,762 km (0.102 R)
• M16: 20,593,344 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 31.1

Radius: 6

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.62 AU - 8.42 AU

Year: 14899 Days

Day: 15.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,306,805 km

• M1: 301,739 km (0.112 R)
• M2: 3,958,060 km (0.11 R)
• M3: 4,734,174 km (0.12 R)
• M4: 6,495,390 km (0.086 R)
• M5: 9,379,039 km (0.103 R)
• M6: 11,372,281 km (0.092 R)
• M7: 11,889,740 km (0.051 R)
• M8: 12,649,398 km (0.115 R)
• M9: 18,247,200 km (0.078 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 13,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit