🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.6

Radius: 8.8

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.56 AU - 0.72 AU

Year: 353 Days

Day: 9.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,069,651 km

• M1: 109,506 km (0.04 R)
• M2: 393,742 km (0.099 R)
• M3: 769,831 km (0.111 R)
• M4: 1,121,984 km (0.099 R)
• M5: 1,440,927 km (0.115 R)
• M6: 1,767,798 km (0.105 R)
• M7: 2,068,191 km (0.113 R)
• M8: 2,412,116 km (0.095 R)
• M9: 2,898,309 km (0.093 R)
• M10: 3,987,531 km (0.032 R)
• M11: 4,922,668 km (0.111 R)
• M12: 5,474,384 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.5

Radius: 14.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.66 AU - 0.86 AU

Year: 457 Days

Day: 6.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,069,651 km

• M1: 182,809 km (0.09 R)
• M2: 703,409 km (0.104 R)
• M3: 1,174,194 km (0.073 R)
• M4: 1,705,715 km (0.076 R)
• M5: 2,380,701 km (0.079 R)
• M6: 2,890,081 km (0.109 R)
• M7: 3,585,562 km (0.026 R)
• M8: 4,217,762 km (0.048 R)
• M9: 4,813,910 km (0.105 R)
• M10: 5,331,070 km (0.098 R)
• M11: 6,121,395 km (0.084 R)
• M12: 6,612,824 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.3

Radius: 12.9

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.86 AU - 4.98 AU

Year: 7533 Days

Day: 12.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,069,651 km

• M1: 161,416 km (0.09 R)
• M2: 677,529 km (0.081 R)
• M3: 1,250,638 km (0.117 R)
• M4: 1,850,077 km (0.042 R)
• M5: 3,312,097 km (0.046 R)
• M6: 5,381,335 km (0.065 R)
• M7: 6,340,706 km (0.095 R)
• M8: 8,008,423 km (0.043 R)
• M9: 8,597,838 km (0.094 R)
• M10: 10,634,015 km (0.035 R)
• M11: 12,657,625 km (0.118 R)
• M12: 15,102,503 km (0.058 R)
• M13: 19,546,458 km (0.067 R)
• M14: 20,689,386 km (0.11 R)
• M15: 23,029,844 km (0.072 R)
• M16: 28,141,454 km (0.074 R)
• M17: 30,063,188 km (0.105 R)
• M18: 30,913,054 km (0.039 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.8

Radius: 5.6

Gravity: 29.59 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 8.17 AU - 8.43 AU

Year: 16505 Days

Day: 15.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,069,651 km

• M1: 69,713 km (0.093 R)
• M2: 309,518 km (0.063 R)
• M3: 601,683 km (0.063 R)
• M4: 1,694,046 km (0.068 R)
• M5: 2,317,121 km (0.064 R)
• M6: 5,830,876 km (0.073 R)
• M7: 6,330,383 km (0.096 R)
• M8: 8,459,760 km (0.063 R)
• M9: 9,713,539 km (0.066 R)
• M10: 10,001,814 km (0.1 R)
• M11: 11,722,040 km (0.09 R)
• M12: 13,134,992 km (0.071 R)
• M13: 13,558,653 km (0.117 R)
• M14: 14,359,152 km (0.096 R)
• M15: 17,032,017 km (0.071 R)
• M16: 17,963,114 km (0.062 R)
• M17: 19,106,790 km (0.081 R)
• M18: 21,733,579 km (0.034 R)
• M19: 22,028,436 km (0.101 R)
• M20: 32,425,787 km (0.098 R)
• M21: 44,086,642 km (0.114 R)
• M22: 47,632,112 km (0.082 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 11,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit