🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.6

Radius: 8.8

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.52 AU - 0.82 AU

Year: 372 Days

Day: 10.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,592,034 km

• M1: 109,506 km (0.069 R)
• M2: 432,936 km (0.087 R)
• M3: 855,550 km (0.057 R)
• M4: 1,231,789 km (0.059 R)
• M5: 1,584,840 km (0.12 R)
• M6: 1,905,578 km (0.115 R)
• M7: 2,697,998 km (0.067 R)
• M8: 3,051,348 km (0.072 R)
• M9: 3,683,399 km (0.06 R)
• M10: 3,978,256 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.2

Radius: 11.7

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.07 AU - 1.21 AU

Year: 826 Days

Day: 9.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,592,034 km

• M1: 145,559 km (0.065 R)
• M2: 612,005 km (0.071 R)
• M3: 977,622 km (0.083 R)
• M4: 1,560,455 km (0.062 R)
• M5: 2,054,428 km (0.103 R)
• M6: 2,455,499 km (0.056 R)
• M7: 2,846,399 km (0.118 R)
• M8: 3,265,123 km (0.074 R)
• M9: 3,800,983 km (0.09 R)
• M10: 5,912,257 km (0.086 R)
• M11: 6,400,844 km (0.063 R)
• M12: 7,459,249 km (0.028 R)
• M13: 7,828,606 km (0.08 R)
• M14: 8,261,991 km (0.108 R)
• M15: 8,792,316 km (0.078 R)
• M16: 9,659,086 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.8

Radius: 13.7

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.86 AU - 2.12 AU

Year: 1904 Days

Day: 8.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,592,034 km

• M1: 170,392 km (0.082 R)
• M2: 676,033 km (0.073 R)
• M3: 1,254,528 km (0.086 R)
• M4: 1,788,742 km (0.062 R)
• M5: 2,955,904 km (0.117 R)
• M6: 4,694,830 km (0.073 R)
• M7: 5,589,276 km (0.075 R)
• M8: 6,215,642 km (0.086 R)
• M9: 7,346,452 km (0.056 R)
• M10: 7,879,021 km (0.091 R)
• M11: 9,052,167 km (0.063 R)
• M12: 9,571,421 km (0.113 R)
• M13: 10,371,321 km (0.078 R)
• M14: 10,872,324 km (0.112 R)
• M15: 11,743,433 km (0.066 R)
• M16: 12,177,865 km (0.092 R)
• M17: 12,623,068 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.2

Radius: 14.4

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.01 AU - 3.51 AU

Year: 3992 Days

Day: 7.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,592,034 km

• M1: 179,069 km (0.087 R)
• M2: 655,837 km (0.112 R)
• M3: 1,145,471 km (0.109 R)
• M4: 1,701,526 km (0.096 R)
• M5: 2,166,177 km (0.105 R)
• M6: 3,110,140 km (0.106 R)
• M7: 4,197,267 km (0.07 R)
• M8: 7,454,163 km (0.095 R)
• M9: 7,981,944 km (0.115 R)
• M10: 9,034,365 km (0.097 R)
• M11: 10,008,546 km (0.077 R)
• M12: 11,277,735 km (0.077 R)
• M13: 12,800,043 km (0.112 R)
• M14: 13,353,704 km (0.104 R)
• M15: 15,447,327 km (0.108 R)
• M16: 16,602,072 km (0.109 R)
• M17: 17,200,614 km (0.086 R)
• M18: 17,813,666 km (0.09 R)
• M19: 20,007,518 km (0.045 R)
• M20: 25,395,735 km (0.092 R)
• M21: 27,831,786 km (0.046 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 19,671 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit