🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.4

Radius: 12.2

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.61 AU - 0.77 AU

Year: 376 Days

Day: 9.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,057,105 km

• M1: 151,842 km (0.037 R)
• M2: 531,671 km (0.118 R)
• M3: 919,429 km (0.117 R)
• M4: 1,534,725 km (0.034 R)
• M5: 2,526,259 km (0.06 R)
• M6: 3,025,467 km (0.119 R)
• M7: 3,802,329 km (0.087 R)
• M8: 4,649,053 km (0.049 R)
• M9: 5,070,919 km (0.11 R)
• M10: 5,452,842 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.4

Radius: 13.9

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.8 AU - 4.64 AU

Year: 4707 Days

Day: 12.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,057,105 km

• M1: 173,534 km (0.109 R)
• M2: 609,611 km (0.065 R)
• M3: 1,073,215 km (0.066 R)
• M4: 1,938,040 km (0.102 R)
• M5: 2,696,502 km (0.103 R)
• M6: 3,463,789 km (0.06 R)
• M7: 5,167,410 km (0.085 R)
• M8: 5,796,768 km (0.114 R)
• M9: 6,385,136 km (0.105 R)
• M10: 8,652,890 km (0.106 R)
• M11: 9,226,449 km (0.115 R)
• M12: 9,825,439 km (0.057 R)
• M13: 11,779,636 km (0.112 R)
• M14: 12,971,183 km (0.082 R)
• M15: 14,452,351 km (0.05 R)
• M16: 16,387,100 km (0.116 R)
• M17: 18,054,967 km (0.092 R)
• M18: 19,185,329 km (0.114 R)
• M19: 19,899,060 km (0.06 R)
• M20: 20,900,767 km (0.103 R)
• M21: 21,586,973 km (0.086 R)
• M22: 22,430,406 km (0.078 R)
• M23: 23,884,646 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.1

Radius: 12.9

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.98 AU - 5.14 AU

Year: 6388 Days

Day: 7.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,057,105 km

• M1: 160,519 km (0.074 R)
• M2: 1,089,671 km (0.094 R)
• M3: 2,133,266 km (0.079 R)
• M4: 2,894,270 km (0.073 R)
• M5: 4,291,664 km (0.105 R)
• M6: 4,818,398 km (0.112 R)
• M7: 5,417,836 km (0.119 R)
• M8: 8,248,976 km (0.093 R)
• M9: 11,152,970 km (0.117 R)
• M10: 11,897,818 km (0.065 R)
• M11: 12,308,314 km (0.083 R)
• M12: 12,781,642 km (0.106 R)
• M13: 16,379,620 km (0.072 R)
• M14: 19,806,459 km (0.106 R)
• M15: 31,422,434 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500

Radius: 8.2

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.64 AU - 6.24 AU

Year: 8324 Days

Day: 10.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,057,105 km

• M1: 102,774 km (0.07 R)
• M2: 415,882 km (0.108 R)
• M3: 965,205 km (0.108 R)
• M4: 1,483,113 km (0.09 R)
• M5: 2,000,124 km (0.053 R)
• M6: 2,521,323 km (0.055 R)
• M7: 2,863,752 km (0.091 R)
• M8: 4,132,492 km (0.094 R)
• M9: 5,007,041 km (0.106 R)
• M10: 5,273,923 km (0.118 R)
• M11: 6,132,615 km (0.034 R)
• M12: 8,165,201 km (0.08 R)
• M13: 8,789,473 km (0.113 R)
• M14: 9,900,088 km (0.103 R)
• M15: 11,101,508 km (0.074 R)
• M16: 12,777,603 km (0.087 R)
• M17: 14,979,235 km (0.054 R)
• M18: 15,660,952 km (0.083 R)
• M19: 17,019,750 km (0.052 R)
• M20: 17,422,018 km (0.103 R)
• M21: 19,822,466 km (0.062 R)
• M22: 20,118,670 km (0.107 R)
• M23: 20,719,754 km (0.112 R)
• M24: 26,145,369 km (0.077 R)
• M25: 28,802,826 km (0.085 R)
• M26: 31,735,991 km (0.113 R)
• M27: 32,243,427 km (0.045 R)
• M28: 33,798,497 km (0.116 R)
• M29: 34,647,914 km (0.106 R)
• M30: 35,839,012 km (0.094 R)
• M31: 36,389,383 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.2

Radius: 6.2

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 6.89 AU - 11.03 AU

Year: 17594 Days

Day: 20.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,057,105 km

• M1: 96,191 km (0.078 R)
• M2: 372,200 km (0.117 R)
• M3: 591,360 km (0.108 R)
• M4: 848,968 km (0.069 R)
• M5: 1,072,766 km (0.119 R)
• M6: 2,850,438 km (0.102 R)
• M7: 3,110,289 km (0.118 R)
• M8: 4,191,284 km (0.114 R)
• M9: 4,654,887 km (0.113 R)
• M10: 6,449,164 km (0.081 R)
• M11: 7,368,144 km (0.057 R)
• M12: 12,106,507 km (0.105 R)
• M13: 15,926,489 km (0.067 R)
• M14: 18,713,048 km (0.086 R)
• M15: 21,808,378 km (0.093 R)
• M16: 23,571,987 km (0.047 R)
• M17: 27,065,845 km (0.088 R)
• M18: 44,785,264 km (0.055 R)
• M19: 46,563,384 km (0.096 R)
• M20: 49,787,667 km (0.107 R)
• M21: 57,536,837 km (0.105 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 19,866 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit