🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.4

Radius: 10.3

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.57 AU - 0.61 AU

Year: 307 Days

Day: 14.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,194,449 km

• M1: 128,056 km (0.071 R)
• M2: 632,350 km (0.073 R)
• M3: 1,075,010 km (0.066 R)
• M4: 1,649,915 km (0.118 R)
• M5: 2,129,526 km (0.079 R)
• M6: 2,514,142 km (0.12 R)
• M7: 2,906,537 km (0.096 R)
• M8: 3,318,679 km (0.111 R)
• M9: 3,804,124 km (0.103 R)
• M10: 4,161,962 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.3

Radius: 8

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.59 AU - 0.75 AU

Year: 372 Days

Day: 7.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,194,449 km

• M1: 99,483 km (0.111 R)
• M2: 457,321 km (0.062 R)
• M3: 746,493 km (0.108 R)
• M4: 1,057,507 km (0.092 R)
• M5: 1,365,978 km (0.042 R)
• M6: 1,627,026 km (0.081 R)
• M7: 2,042,161 km (0.119 R)
• M8: 2,410,919 km (0.064 R)
• M9: 2,707,123 km (0.101 R)
• M10: 2,971,163 km (0.063 R)
• M11: 3,322,718 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.4

Radius: 14.1

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.61 AU - 0.83 AU

Year: 414 Days

Day: 12.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 170.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 76,194,449 km

• M1: 175,329 km (0.035 R)
• M2: 776,114 km (0.114 R)
• M3: 1,591,871 km (0.108 R)
• M4: 2,139,848 km (0.069 R)
• M5: 3,119,415 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.8

Radius: 9.7

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.79 AU - 0.83 AU

Year: 494 Days

Day: 8.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,194,449 km

• M1: 120,725 km (0.074 R)
• M2: 456,573 km (0.052 R)
• M3: 791,822 km (0.069 R)
• M4: 1,267,244 km (0.086 R)
• M5: 2,434,257 km (0.111 R)
• M6: 2,826,652 km (0.069 R)
• M7: 3,143,650 km (0.087 R)
• M8: 3,536,643 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.3

Radius: 5.7

Gravity: 30.3 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.8 AU - 10.14 AU

Year: 16719 Days

Day: 22.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 76,194,449 km

• M1: 71,657 km (0.064 R)
• M2: 302,936 km (0.059 R)
• M3: 576,700 km (0.079 R)
• M4: 926,460 km (0.078 R)
• M5: 1,318,256 km (0.087 R)
• M6: 1,503,608 km (0.051 R)
• M7: 1,796,222 km (0.069 R)
• M8: 2,806,606 km (0.09 R)
• M9: 4,414,932 km (0.063 R)
• M10: 4,726,844 km (0.045 R)
• M11: 5,165,315 km (0.12 R)
• M12: 7,288,857 km (0.063 R)
• M13: 9,932,999 km (0.078 R)
• M14: 10,228,306 km (0.103 R)
• M15: 13,655,443 km (0.111 R)
• M16: 14,467,311 km (0.104 R)
• M17: 14,923,435 km (0.089 R)
• M18: 16,595,939 km (0.095 R)
• M19: 18,038,212 km (0.116 R)
• M20: 19,562,166 km (0.079 R)
• M21: 19,932,869 km (0.09 R)
• M22: 20,119,866 km (0.113 R)
• M23: 20,976,314 km (0.061 R)
• M24: 23,378,557 km (0.111 R)
• M25: 23,795,935 km (0.111 R)
• M26: 32,314,187 km (0.088 R)
• M27: 32,702,095 km (0.094 R)
• M28: 32,962,395 km (0.1 R)
• M29: 35,505,259 km (0.111 R)
• M30: 40,676,110 km (0.106 R)
• M31: 42,505,393 km (0.083 R)
• M32: 44,707,922 km (0.068 R)
• M33: 46,327,020 km (0.115 R)
• M34: 46,655,537 km (0.096 R)
• M35: 55,750,190 km (0.12 R)
• M36: 56,121,791 km (0.056 R)
• M37: 67,420,170 km (0.108 R)
• M38: 73,933,512 km (0.091 R)
• M39: 75,966,248 km (0.091 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 17,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit