🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.7

Radius: 14.2

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.7 AU - 0.84 AU

Year: 475 Days

Day: 14.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,071,149 km

• M1: 176,675 km (0.094 R)
• M2: 722,707 km (0.072 R)
• M3: 1,173,595 km (0.038 R)
• M4: 1,926,671 km (0.049 R)
• M5: 2,533,590 km (0.085 R)
• M6: 3,135,422 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.6

Radius: 13.1

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.73 AU - 0.89 AU

Year: 512 Days

Day: 5.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,071,149 km

• M1: 162,912 km (0.106 R)
• M2: 692,788 km (0.1 R)
• M3: 1,117,646 km (0.071 R)
• M4: 1,623,586 km (0.053 R)
• M5: 2,491,403 km (0.098 R)
• M6: 3,188,828 km (0.118 R)
• M7: 3,731,569 km (0.071 R)
• M8: 4,178,717 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.9

Radius: 13

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.66 AU - 1.1 AU

Year: 580 Days

Day: 13.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,071,149 km

• M1: 161,715 km (0.113 R)
• M2: 682,017 km (0.065 R)
• M3: 1,091,466 km (0.102 R)
• M4: 1,530,685 km (0.072 R)
• M5: 2,153,910 km (0.049 R)
• M6: 2,558,124 km (0.083 R)
• M7: 2,982,982 km (0.092 R)
• M8: 3,534,998 km (0.064 R)
• M9: 3,990,074 km (0.106 R)
• M10: 5,048,629 km (0.035 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.2

Radius: 8.3

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.02 AU - 3.28 AU

Year: 3032 Days

Day: 7.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,071,149 km

• M1: 103,223 km (0.082 R)
• M2: 377,585 km (0.112 R)
• M3: 649,704 km (0.113 R)
• M4: 941,120 km (0.114 R)
• M5: 2,478,238 km (0.027 R)
• M6: 3,160,554 km (0.085 R)
• M7: 3,731,270 km (0.076 R)
• M8: 4,041,536 km (0.05 R)
• M9: 4,411,192 km (0.12 R)
• M10: 5,783,454 km (0.07 R)
• M11: 6,120,647 km (0.096 R)
• M12: 6,664,884 km (0.065 R)
• M13: 7,541,229 km (0.069 R)
• M14: 7,818,583 km (0.041 R)
• M15: 9,557,060 km (0.069 R)
• M16: 9,845,634 km (0.113 R)
• M17: 11,742,685 km (0.11 R)
• M18: 12,199,856 km (0.103 R)
• M19: 14,195,043 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.7

Radius: 14

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.52 AU - 3.54 AU

Year: 3707 Days

Day: 12.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,071,149 km

• M1: 174,132 km (0.054 R)
• M2: 1,108,819 km (0.096 R)
• M3: 1,882,091 km (0.101 R)
• M4: 2,820,219 km (0.105 R)
• M5: 4,825,878 km (0.078 R)
• M6: 7,963,693 km (0.064 R)
• M7: 8,837,943 km (0.053 R)
• M8: 10,060,756 km (0.054 R)
• M9: 10,821,012 km (0.036 R)
• M10: 11,259,633 km (0.09 R)
• M11: 12,695,773 km (0.073 R)
• M12: 14,147,022 km (0.065 R)
• M13: 17,556,507 km (0.113 R)
• M14: 18,659,193 km (0.104 R)
• M15: 24,349,148 km (0.105 R)
• M16: 24,876,331 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.9

Radius: 3.6

Gravity: 75.07 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.43 AU - 6.79 AU

Year: 10616 Days

Day: 15.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 56,071,149 km

• M1: 44,879 km (0.089 R)
• M2: 159,471 km (0.106 R)
• M3: 479,611 km (0.059 R)
• M4: 878,887 km (0.114 R)
• M5: 1,099,245 km (0.08 R)
• M6: 1,468,453 km (0.103 R)
• M7: 1,730,099 km (0.105 R)
• M8: 2,113,668 km (0.08 R)
• M9: 2,467,617 km (0.06 R)
• M10: 2,814,235 km (0.087 R)
• M11: 4,593,103 km (0.069 R)
• M12: 5,218,572 km (0.054 R)
• M13: 7,520,584 km (0.091 R)
• M14: 8,244,937 km (0.102 R)
• M15: 9,366,173 km (0.078 R)
• M16: 10,096,211 km (0.096 R)
• M17: 12,025,874 km (0.119 R)
• M18: 12,950,239 km (0.095 R)
• M19: 14,187,862 km (0.103 R)
• M20: 15,008,855 km (0.107 R)
• M21: 17,739,016 km (0.071 R)
• M22: 19,179,644 km (0.12 R)
• M23: 23,965,728 km (0.112 R)
• M24: 24,931,383 km (0.042 R)
• M25: 26,225,255 km (0.056 R)
• M26: 34,940,079 km (0.094 R)
• M27: 38,879,739 km (0.096 R)
• M28: 39,011,534 km (0.082 R)
• M29: 39,541,560 km (0.062 R)
• M30: 39,808,442 km (0.052 R)
• M31: 41,160,957 km (0.074 R)
• M32: 43,246,500 km (0.111 R)
• M33: 45,401,308 km (0.114 R)
• M34: 47,026,390 km (0.07 R)
• M35: 48,996,295 km (0.099 R)
• M36: 49,768,369 km (0.068 R)
• M37: 50,235,563 km (0.065 R)
• M38: 52,133,362 km (0.077 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 148 - 13,058 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit