🌌 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: 32.7

Radius: 9.8

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.71 AU - 0.83 AU

Year: 458 Days

Day: 13 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 21,868,559 km

• M1: 128,205 km (0.115 R)
• M2: 436,975 km (0.092 R)
• M3: 1,038,658 km (0.102 R)
• M4: 1,777,073 km (0.095 R)
• M5: 2,090,929 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.4

Radius: 12.1

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.99 AU - 5.55 AU

Year: 7066 Days

Day: 14.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,868,559 km

• M1: 150,495 km (0.117 R)
• M2: 642,373 km (0.086 R)
• M3: 1,471,445 km (0.105 R)
• M4: 4,309,615 km (0.04 R)
• M5: 6,970,662 km (0.068 R)
• M6: 8,646,757 km (0.028 R)
• M7: 9,578,901 km (0.113 R)
• M8: 10,024,254 km (0.1 R)
• M9: 11,247,366 km (0.111 R)
• M10: 12,779,548 km (0.026 R)
• M11: 14,855,517 km (0.083 R)
• M12: 18,208,006 km (0.081 R)
• M13: 20,241,190 km (0.04 R)
• M14: 20,680,110 km (0.062 R)
• M15: 28,963,494 km (0.055 R)
• M16: 34,762,805 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.3

Radius: 13.8

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.4 AU - 5.62 AU

Year: 8772 Days

Day: 13.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,868,559 km

• M1: 185,352 km (0.101 R)
• M2: 1,351,766 km (0.104 R)
• M3: 2,278,076 km (0.111 R)
• M4: 3,168,184 km (0.115 R)
• M5: 4,986,695 km (0.073 R)
• M6: 6,015,330 km (0.077 R)
• M7: 6,866,542 km (0.052 R)
• M8: 7,463,887 km (0.102 R)
• M9: 10,007,200 km (0.111 R)
• M10: 14,255,032 km (0.093 R)
• M11: 19,499,035 km (0.118 R)
• M12: 25,340,383 km (0.104 R)
• M13: 26,383,679 km (0.11 R)
• M14: 27,554,282 km (0.101 R)
• M15: 28,052,144 km (0.116 R)
• M16: 28,963,345 km (0.094 R)
• M17: 31,815,877 km (0.118 R)
• M18: 33,479,106 km (0.078 R)
• M19: 36,737,796 km (0.061 R)
• M20: 38,320,392 km (0.062 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.4

Radius: 6.1

Gravity: 23.18 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.78 AU - 8.06 AU

Year: 12347 Days

Day: 21.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 21,868,559 km

• M1: 76,594 km (0.035 R)
• M2: 276,606 km (0.085 R)
• M3: 471,233 km (0.088 R)
• M4: 888,013 km (0.083 R)
• M5: 1,121,535 km (0.059 R)
• M6: 1,354,010 km (0.104 R)
• M7: 1,763,759 km (0.111 R)
• M8: 2,476,593 km (0.099 R)
• M9: 3,714,515 km (0.106 R)
• M10: 4,297,199 km (0.094 R)
• M11: 4,905,464 km (0.073 R)
• M12: 6,989,661 km (0.086 R)
• M13: 8,489,230 km (0.076 R)
• M14: 9,236,921 km (0.087 R)
• M15: 9,495,725 km (0.028 R)
• M16: 10,920,196 km (0.094 R)
• M17: 11,864,308 km (0.09 R)
• M18: 13,315,407 km (0.082 R)
• M19: 15,022,469 km (0.118 R)
• M20: 16,717,113 km (0.115 R)
• M21: 17,729,292 km (0.109 R)
• M22: 20,307,013 km (0.1 R)
• M23: 23,314,230 km (0.034 R)
• M24: 24,774,305 km (0.107 R)
• M25: 25,679,073 km (0.058 R)
• M26: 26,088,073 km (0.091 R)
• M27: 26,605,533 km (0.113 R)
• M28: 27,341,554 km (0.086 R)
• M29: 28,744,184 km (0.111 R)
• M30: 30,764,353 km (0.114 R)
• M31: 32,280,977 km (0.09 R)
• M32: 33,846,817 km (0.089 R)
• M33: 35,336,513 km (0.071 R)
• M34: 35,715,744 km (0.118 R)
• M35: 36,097,517 km (0.093 R)
• M36: 39,386,277 km (0.06 R)
• M37: 43,589,678 km (0.109 R)
• M38: 45,054,690 km (0.106 R)
• M39: 46,099,481 km (0.103 R)
• M40: 50,440,512 km (0.091 R)
• M41: 51,082,138 km (0.071 R)
• M42: 52,874,619 km (0.109 R)

Asteroid Belt

Center: 7.82 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.4

Radius: 7.9

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.69 AU - 10.73 AU

Year: 17435 Days

Day: 19.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,868,559 km

• M1: 99,034 km (0.089 R)
• M2: 395,387 km (0.1 R)
• M3: 791,672 km (0.088 R)
• M4: 1,105,528 km (0.092 R)
• M5: 2,902,049 km (0.072 R)
• M6: 3,159,357 km (0.037 R)
• M7: 4,501,550 km (0.102 R)
• M8: 5,015,418 km (0.109 R)
• M9: 8,497,907 km (0.115 R)
• M10: 9,393,250 km (0.073 R)
• M11: 11,244,674 km (0.051 R)
• M12: 19,906,091 km (0.094 R)
• M13: 21,414,636 km (0.081 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: 269 - 14,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit