🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165

Radius: 12.5

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.48 AU - 0.62 AU

Year: 287 Days

Day: 10.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,314,788 km

• M1: 155,432 km (0.085 R)
• M2: 555,008 km (0.102 R)
• M3: 966,851 km (0.061 R)
• M4: 1,369,419 km (0.102 R)
• M5: 1,816,118 km (0.087 R)
• M6: 2,209,860 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.2

Radius: 9.8

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.79 AU - 1.09 AU

Year: 641 Days

Day: 6.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,314,788 km

• M1: 121,922 km (0.061 R)
• M2: 442,810 km (0.097 R)
• M3: 781,649 km (0.097 R)
• M4: 1,087,277 km (0.074 R)
• M5: 1,395,748 km (0.103 R)
• M6: 1,710,652 km (0.089 R)
• M7: 2,297,075 km (0.108 R)
• M8: 2,658,354 km (0.057 R)
• M9: 3,114,628 km (0.066 R)
• M10: 3,673,675 km (0.097 R)
• M11: 4,087,163 km (0.073 R)
• M12: 4,866,419 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.4

Radius: 13.1

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.06 AU - 1.2 AU

Year: 844 Days

Day: 10.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 61,314,788 km

• M1: 163,510 km (0.109 R)
• M2: 573,109 km (0.068 R)
• M3: 1,265,149 km (0.094 R)
• M4: 2,188,018 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.7

Radius: 9

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.15 AU - 2.29 AU

Year: 2325 Days

Day: 5.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,314,788 km

• M1: 112,198 km (0.075 R)
• M2: 407,654 km (0.089 R)
• M3: 818,151 km (0.03 R)
• M4: 1,362,837 km (0.052 R)
• M5: 1,739,973 km (0.104 R)
• M6: 2,039,767 km (0.062 R)
• M7: 3,058,828 km (0.108 R)
• M8: 3,367,298 km (0.095 R)
• M9: 4,047,370 km (0.085 R)
• M10: 4,490,629 km (0.08 R)
• M11: 5,413,947 km (0.038 R)
• M12: 6,757,336 km (0.112 R)
• M13: 7,357,522 km (0.088 R)
• M14: 7,734,360 km (0.118 R)
• M15: 8,097,583 km (0.082 R)
• M16: 8,445,249 km (0.098 R)
• M17: 10,522,415 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.1

Radius: 14

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.16 AU - 3.54 AU

Year: 3382 Days

Day: 12.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,314,788 km

• M1: 174,132 km (0.096 R)
• M2: 646,712 km (0.031 R)
• M3: 2,923,890 km (0.077 R)
• M4: 3,852,295 km (0.108 R)
• M5: 4,567,223 km (0.094 R)
• M6: 6,038,069 km (0.117 R)
• M7: 6,553,584 km (0.053 R)
• M8: 7,192,067 km (0.112 R)
• M9: 7,673,324 km (0.06 R)
• M10: 8,244,787 km (0.05 R)
• M11: 9,063,088 km (0.115 R)
• M12: 10,013,333 km (0.041 R)
• M13: 11,540,429 km (0.06 R)
• M14: 13,313,014 km (0.084 R)
• M15: 15,260,928 km (0.11 R)
• M16: 16,275,800 km (0.115 R)
• M17: 17,853,010 km (0.113 R)
• M18: 18,321,850 km (0.086 R)
• M19: 19,529,852 km (0.111 R)
• M20: 21,770,978 km (0.043 R)
• M21: 22,509,543 km (0.083 R)
• M22: 23,334,126 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.4

Radius: 5.2

Gravity: 31.97 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.94 AU - 6.96 AU

Year: 12879 Days

Day: 16.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,314,788 km

• M1: 64,626 km (0.1 R)
• M2: 232,774 km (0.119 R)
• M3: 525,837 km (0.072 R)
• M4: 690,544 km (0.091 R)
• M5: 921,972 km (0.036 R)
• M6: 1,270,236 km (0.064 R)
• M7: 1,621,192 km (0.101 R)
• M8: 1,924,876 km (0.1 R)
• M9: 2,408,825 km (0.074 R)
• M10: 2,668,377 km (0.1 R)
• M11: 2,874,972 km (0.104 R)
• M12: 3,955,368 km (0.082 R)
• M13: 4,317,095 km (0.105 R)
• M14: 4,667,753 km (0.07 R)
• M15: 5,282,151 km (0.082 R)
• M16: 6,712,157 km (0.055 R)
• M17: 7,359,318 km (0.113 R)
• M18: 8,189,586 km (0.034 R)
• M19: 10,144,381 km (0.061 R)
• M20: 10,310,884 km (0.068 R)
• M21: 10,535,580 km (0.092 R)
• M22: 13,561,047 km (0.092 R)
• M23: 14,451,454 km (0.111 R)
• M24: 14,946,622 km (0.086 R)
• M25: 15,821,770 km (0.067 R)
• M26: 16,347,906 km (0.088 R)
• M27: 16,730,727 km (0.072 R)
• M28: 17,915,093 km (0.039 R)
• M29: 20,983,495 km (0.109 R)
• M30: 24,285,868 km (0.096 R)
• M31: 25,086,516 km (0.101 R)
• M32: 25,904,517 km (0.086 R)
• M33: 29,131,044 km (0.065 R)
• M34: 33,589,509 km (0.118 R)
• M35: 44,716,000 km (0.105 R)
• M36: 48,227,511 km (0.089 R)
• M37: 57,184,983 km (0.119 R)
• M38: 58,599,730 km (0.12 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: 447 - 11,474 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit