🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.7

Radius: 8.5

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.96 AU - 1.02 AU

Year: 680 Days

Day: 8.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,772,660 km

• M1: 105,766 km (0.045 R)
• M2: 386,411 km (0.115 R)
• M3: 663,766 km (0.061 R)
• M4: 1,040,453 km (0.07 R)
• M5: 1,321,548 km (0.088 R)
• M6: 2,732,405 km (0.066 R)
• M7: 3,655,574 km (0.066 R)
• M8: 4,484,944 km (0.112 R)
• M9: 5,134,947 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.4

Radius: 13.7

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.05 AU - 1.37 AU

Year: 919 Days

Day: 5.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,772,660 km

• M1: 170,691 km (0.117 R)
• M2: 634,445 km (0.064 R)
• M3: 1,902,586 km (0.044 R)
• M4: 2,442,335 km (0.081 R)
• M5: 3,006,020 km (0.112 R)
• M6: 3,775,701 km (0.063 R)
• M7: 4,331,457 km (0.074 R)
• M8: 5,789,737 km (0.118 R)
• M9: 6,710,362 km (0.095 R)
• M10: 7,505,624 km (0.114 R)
• M11: 8,310,611 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.6

Radius: 14.9

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.11 AU - 3.45 AU

Year: 3199 Days

Day: 5.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,772,660 km

• M1: 185,352 km (0.069 R)
• M2: 1,008,738 km (0.104 R)
• M3: 1,665,024 km (0.107 R)
• M4: 2,145,832 km (0.052 R)
• M5: 3,617,725 km (0.106 R)
• M6: 4,419,271 km (0.108 R)
• M7: 4,932,242 km (0.09 R)
• M8: 5,738,126 km (0.07 R)
• M9: 6,773,343 km (0.106 R)
• M10: 8,521,992 km (0.062 R)
• M11: 11,192,015 km (0.102 R)
• M12: 13,763,004 km (0.105 R)
• M13: 14,523,410 km (0.115 R)
• M14: 15,062,262 km (0.103 R)
• M15: 17,027,379 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.1

Radius: 8.4

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.73 AU - 4.41 AU

Year: 4656 Days

Day: 13.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 30,772,660 km

• M1: 104,569 km (0.113 R)
• M2: 472,729 km (0.07 R)
• M3: 1,063,042 km (0.05 R)
• M4: 1,363,884 km (0.098 R)
• M5: 1,734,737 km (0.069 R)
• M6: 2,096,764 km (0.085 R)
• M7: 4,670,296 km (0.114 R)
• M8: 5,577,308 km (0.114 R)
• M9: 6,728,763 km (0.106 R)
• M10: 7,099,915 km (0.11 R)
• M11: 7,378,317 km (0.105 R)
• M12: 8,219,505 km (0.038 R)
• M13: 8,801,740 km (0.103 R)
• M14: 10,988,412 km (0.099 R)
• M15: 12,582,378 km (0.077 R)
• M16: 14,105,434 km (0.071 R)
• M17: 16,043,324 km (0.115 R)
• M18: 17,200,165 km (0.071 R)
• M19: 18,087,579 km (0.072 R)
• M20: 19,205,674 km (0.103 R)
• M21: 20,509,270 km (0.111 R)
• M22: 22,685,919 km (0.093 R)
• M23: 24,772,659 km (0.039 R)
• M24: 25,495,816 km (0.081 R)
• M25: 25,985,599 km (0.104 R)
• M26: 27,835,526 km (0.096 R)
• M27: 29,146,153 km (0.034 R)
• M28: 29,861,829 km (0.069 R)
• M29: 30,224,006 km (0.09 R)
• M30: 30,772,731 km (0.078 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 18,574 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit