🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.9

Radius: 14.1

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.75 AU - 0.95 AU

Year: 506 Days

Day: 7.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 45,635,204 km

• M1: 175,329 km (0.038 R)
• M2: 673,190 km (0.116 R)
• M3: 1,925,025 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.7

Radius: 14.6

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.98 AU - 1.08 AU

Year: 675 Days

Day: 8.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,635,204 km

• M1: 181,612 km (0.045 R)
• M2: 865,723 km (0.116 R)
• M3: 1,462,618 km (0.109 R)
• M4: 1,986,510 km (0.106 R)
• M5: 2,454,901 km (0.037 R)
• M6: 3,059,725 km (0.074 R)
• M7: 4,071,755 km (0.115 R)
• M8: 5,013,174 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.7

Radius: 12.6

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.77 AU - 3.21 AU

Year: 3338 Days

Day: 12.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,635,204 km

• M1: 156,629 km (0.042 R)
• M2: 557,252 km (0.092 R)
• M3: 1,036,115 km (0.113 R)
• M4: 1,459,178 km (0.099 R)
• M5: 2,196,845 km (0.07 R)
• M6: 2,899,805 km (0.109 R)
• M7: 3,361,165 km (0.091 R)
• M8: 3,943,549 km (0.07 R)
• M9: 6,948,372 km (0.038 R)
• M10: 7,356,774 km (0.109 R)
• M11: 8,043,878 km (0.084 R)
• M12: 8,679,818 km (0.086 R)
• M13: 10,121,194 km (0.039 R)
• M14: 10,647,479 km (0.075 R)
• M15: 11,527,414 km (0.041 R)
• M16: 14,154,502 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.1

Radius: 13.8

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.53 AU - 4.93 AU

Year: 5617 Days

Day: 6.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,635,204 km

• M1: 173,384 km (0.09 R)
• M2: 691,142 km (0.059 R)
• M3: 1,350,570 km (0.064 R)
• M4: 2,104,992 km (0.113 R)
• M5: 3,402,304 km (0.08 R)
• M6: 3,834,044 km (0.104 R)
• M7: 6,961,238 km (0.07 R)
• M8: 10,333,174 km (0.056 R)
• M9: 12,800,791 km (0.096 R)
• M10: 13,404,568 km (0.119 R)
• M11: 15,453,610 km (0.091 R)
• M12: 19,154,661 km (0.066 R)
• M13: 20,164,895 km (0.119 R)
• M14: 22,213,339 km (0.1 R)
• M15: 26,543,599 km (0.107 R)
• M16: 29,851,806 km (0.103 R)
• M17: 32,811,151 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.7

Radius: 9.3

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.9 AU - 5.2 AU

Year: 6267 Days

Day: 7.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,635,204 km

• M1: 115,639 km (0.054 R)
• M2: 601,234 km (0.104 R)
• M3: 1,035,217 km (0.073 R)
• M4: 1,632,412 km (0.114 R)
• M5: 2,515,189 km (0.105 R)
• M6: 2,931,221 km (0.114 R)
• M7: 3,504,031 km (0.053 R)
• M8: 4,461,158 km (0.074 R)
• M9: 4,844,428 km (0.116 R)
• M10: 5,645,824 km (0.062 R)
• M11: 6,464,274 km (0.103 R)
• M12: 7,935,419 km (0.086 R)
• M13: 9,843,839 km (0.103 R)
• M14: 10,590,632 km (0.096 R)
• M15: 12,461,951 km (0.12 R)
• M16: 13,844,834 km (0.112 R)
• M17: 15,083,355 km (0.064 R)
• M18: 18,051,676 km (0.068 R)
• M19: 18,535,176 km (0.094 R)
• M20: 20,184,792 km (0.048 R)
• M21: 21,619,585 km (0.079 R)
• M22: 22,401,533 km (0.118 R)
• M23: 22,879,498 km (0.076 R)
• M24: 24,104,705 km (0.12 R)
• M25: 24,522,532 km (0.116 R)
• M26: 26,242,758 km (0.046 R)
• M27: 28,597,428 km (0.089 R)
• M28: 29,825,926 km (0.057 R)
• M29: 31,684,380 km (0.071 R)
• M30: 35,415,052 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.1

Radius: 5.4

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 9.87 AU - 11.57 AU

Year: 22662 Days

Day: 16.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,635,204 km

• M1: 67,169 km (0.069 R)
• M2: 636,240 km (0.106 R)
• M3: 984,204 km (0.083 R)
• M4: 1,922,183 km (0.109 R)
• M5: 2,319,665 km (0.088 R)
• M6: 2,607,192 km (0.113 R)
• M7: 3,395,273 km (0.067 R)
• M8: 4,136,980 km (0.066 R)
• M9: 5,627,573 km (0.03 R)
• M10: 7,322,517 km (0.106 R)
• M11: 8,550,565 km (0.112 R)
• M12: 9,050,372 km (0.053 R)
• M13: 11,299,277 km (0.093 R)
• M14: 12,124,907 km (0.118 R)
• M15: 12,294,701 km (0.086 R)
• M16: 13,407,410 km (0.101 R)
• M17: 14,143,880 km (0.108 R)
• M18: 16,034,349 km (0.079 R)
• M19: 20,789,466 km (0.073 R)
• M20: 21,443,060 km (0.079 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 14,460 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit