🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.2

Radius: 8.7

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.81 AU - 3.55 AU

Year: 2408 Days

Day: 12.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,028,000 km

• M1: 109,057 km (0.086 R)
• M2: 389,702 km (0.1 R)
• M3: 687,103 km (0.101 R)
• M4: 1,308,383 km (0.052 R)
• M5: 1,908,270 km (0.101 R)
• M6: 2,184,727 km (0.114 R)
• M7: 2,741,979 km (0.059 R)
• M8: 3,319,876 km (0.067 R)
• M9: 3,761,489 km (0.069 R)
• M10: 4,304,529 km (0.091 R)
• M11: 4,875,993 km (0.056 R)
• M12: 6,010,094 km (0.114 R)
• M13: 6,415,505 km (0.103 R)
• M14: 7,931,679 km (0.085 R)
• M15: 8,688,345 km (0.081 R)
• M16: 9,136,840 km (0.104 R)
• M17: 9,636,945 km (0.053 R)
• M18: 9,968,005 km (0.072 R)
• M19: 11,780,533 km (0.026 R)
• M20: 14,365,884 km (0.081 R)
• M21: 15,841,367 km (0.112 R)
• M22: 17,852,112 km (0.112 R)
• M23: 18,352,218 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.1

Radius: 10.7

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.14 AU - 3.88 AU

Year: 2792 Days

Day: 12 Hours

Environment

Temp: -155 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,028,000 km

• M1: 133,142 km (0.087 R)
• M2: 508,334 km (0.052 R)
• M3: 1,113,906 km (0.097 R)
• M4: 2,003,714 km (0.116 R)
• M5: 3,170,876 km (0.104 R)
• M6: 3,595,435 km (0.104 R)
• M7: 4,908,905 km (0.091 R)
• M8: 5,301,300 km (0.068 R)
• M9: 5,635,501 km (0.096 R)
• M10: 7,814,993 km (0.07 R)
• M11: 8,876,689 km (0.094 R)
• M12: 9,762,757 km (0.085 R)
• M13: 12,324,172 km (0.08 R)
• M14: 13,904,374 km (0.041 R)
• M15: 14,592,823 km (0.098 R)
• M16: 15,773,001 km (0.072 R)
• M17: 16,630,795 km (0.111 R)
• M18: 17,350,361 km (0.119 R)
• M19: 17,860,639 km (0.08 R)
• M20: 19,030,345 km (0.09 R)
• M21: 21,328,019 km (0.079 R)
• M22: 22,045,341 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.7

Radius: 11.1

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.03 AU - 4.59 AU

Year: 3799 Days

Day: 11.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 80.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,028,000 km

• M1: 138,079 km (0.085 R)
• M2: 498,759 km (0.071 R)
• M3: 1,386,772 km (0.111 R)
• M4: 2,198,191 km (0.067 R)
• M5: 3,596,782 km (0.109 R)
• M6: 4,741,654 km (0.107 R)
• M7: 5,445,811 km (0.061 R)
• M8: 5,986,757 km (0.059 R)
• M9: 9,699,028 km (0.117 R)
• M10: 10,273,933 km (0.04 R)
• M11: 12,054,297 km (0.089 R)
• M12: 12,550,813 km (0.095 R)
• M13: 12,931,988 km (0.078 R)
• M14: 13,584,683 km (0.107 R)
• M15: 14,167,966 km (0.081 R)
• M16: 17,027,529 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.4

Radius: 13.6

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.63 AU - 9.57 AU

Year: 11656 Days

Day: 10.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,028,000 km

• M1: 171,140 km (0.066 R)
• M2: 816,655 km (0.092 R)
• M3: 1,334,413 km (0.043 R)
• M4: 1,915,152 km (0.104 R)
• M5: 2,363,497 km (0.088 R)
• M6: 3,768,670 km (0.069 R)
• M7: 4,208,487 km (0.086 R)
• M8: 7,575,337 km (0.058 R)
• M9: 8,583,926 km (0.086 R)
• M10: 9,212,536 km (0.031 R)
• M11: 12,885,912 km (0.077 R)
• M12: 13,771,531 km (0.085 R)
• M13: 14,322,051 km (0.118 R)
• M14: 14,760,373 km (0.056 R)
• M15: 15,995,603 km (0.109 R)
• M16: 17,018,553 km (0.097 R)
• M17: 19,574,881 km (0.107 R)
• M18: 21,145,360 km (0.092 R)
• M19: 22,883,388 km (0.062 R)
• M20: 24,093,784 km (0.088 R)
• M21: 24,625,455 km (0.063 R)
• M22: 26,174,391 km (0.113 R)
• M23: 26,830,677 km (0.08 R)
• M24: 29,064,922 km (0.031 R)
• M25: 33,132,488 km (0.085 R)
• M26: 35,472,946 km (0.096 R)
• M27: 36,741,985 km (0.107 R)
• M28: 38,762,304 km (0.101 R)
• M29: 39,861,400 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227

Radius: 4.2

Gravity: 12.87 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 11.64 AU - 13.64 AU

Year: 19081 Days

Day: 23.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,028,000 km

• M1: 58,194 km (0.078 R)
• M2: 201,359 km (0.074 R)
• M3: 648,507 km (0.119 R)
• M4: 1,834,668 km (0.106 R)
• M5: 4,484,047 km (0.1 R)
• M6: 5,976,285 km (0.055 R)
• M7: 8,579,737 km (0.078 R)
• M8: 9,197,576 km (0.097 R)
• M9: 9,542,399 km (0.066 R)
• M10: 14,246,205 km (0.112 R)
• M11: 14,774,286 km (0.107 R)
• M12: 16,151,484 km (0.101 R)
• M13: 18,842,001 km (0.106 R)
• M14: 25,762,249 km (0.106 R)
• M15: 27,647,631 km (0.099 R)
• M16: 29,729,435 km (0.108 R)
• M17: 32,475,603 km (0.09 R)
• M18: 32,816,238 km (0.104 R)
• M19: 42,256,911 km (0.06 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 19,636 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit