🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.2

Radius: 13.8

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.71 AU - 0.73 AU

Year: 407 Days

Day: 9.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,050,983 km

• M1: 171,589 km (0.085 R)
• M2: 654,790 km (0.099 R)
• M3: 1,164,919 km (0.118 R)
• M4: 1,716,935 km (0.087 R)
• M5: 2,197,742 km (0.108 R)
• M6: 2,677,353 km (0.106 R)
• M7: 4,187,244 km (0.082 R)
• M8: 4,719,813 km (0.117 R)
• M9: 5,461,519 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.8

Radius: 11.4

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.48 AU - 3.7 AU

Year: 3622 Days

Day: 7.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,050,983 km

• M1: 142,118 km (0.079 R)
• M2: 868,565 km (0.099 R)
• M3: 1,464,862 km (0.066 R)
• M4: 1,899,594 km (0.042 R)
• M5: 2,933,016 km (0.07 R)
• M6: 3,734,561 km (0.104 R)
• M7: 5,387,917 km (0.086 R)
• M8: 9,037,357 km (0.079 R)
• M9: 10,007,050 km (0.088 R)
• M10: 11,188,275 km (0.052 R)
• M11: 13,784,696 km (0.103 R)
• M12: 14,204,019 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.1

Radius: 9.6

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4 AU - 5 AU

Year: 6366 Days

Day: 12.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,050,983 km

• M1: 119,379 km (0.087 R)
• M2: 428,747 km (0.114 R)
• M3: 736,171 km (0.115 R)
• M4: 1,048,382 km (0.051 R)
• M5: 1,724,564 km (0.093 R)
• M6: 2,941,244 km (0.115 R)
• M7: 3,453,168 km (0.051 R)
• M8: 3,754,607 km (0.089 R)
• M9: 4,331,606 km (0.036 R)
• M10: 6,050,486 km (0.082 R)
• M11: 8,305,225 km (0.11 R)
• M12: 11,320,220 km (0.034 R)
• M13: 15,805,015 km (0.106 R)
• M14: 17,171,143 km (0.111 R)
• M15: 20,586,462 km (0.069 R)
• M16: 21,043,035 km (0.096 R)
• M17: 21,584,130 km (0.054 R)
• M18: 21,976,226 km (0.117 R)
• M19: 22,694,147 km (0.071 R)
• M20: 24,770,266 km (0.08 R)
• M21: 26,699,480 km (0.093 R)
• M22: 30,068,873 km (0.115 R)
• M23: 31,052,928 km (0.073 R)
• M24: 31,754,392 km (0.11 R)
• M25: 33,397,425 km (0.102 R)
• M26: 35,967,218 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.5

Radius: 6.8

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.77 AU - 9.39 AU

Year: 15316 Days

Day: 15.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,050,983 km

• M1: 87,216 km (0.066 R)
• M2: 315,203 km (0.119 R)
• M3: 556,803 km (0.087 R)
• M4: 794,963 km (0.086 R)
• M5: 1,203,964 km (0.084 R)
• M6: 1,665,174 km (0.077 R)
• M7: 2,173,956 km (0.053 R)
• M8: 2,633,671 km (0.11 R)
• M9: 3,156,216 km (0.104 R)
• M10: 4,030,316 km (0.088 R)
• M11: 4,642,920 km (0.088 R)
• M12: 5,404,373 km (0.099 R)
• M13: 7,353,483 km (0.11 R)
• M14: 8,305,375 km (0.107 R)
• M15: 10,040,560 km (0.086 R)
• M16: 11,161,348 km (0.054 R)
• M17: 14,096,907 km (0.117 R)
• M18: 15,318,972 km (0.09 R)
• M19: 20,916,625 km (0.102 R)
• M20: 22,658,093 km (0.09 R)
• M21: 22,892,065 km (0.106 R)
• M22: 27,210,058 km (0.115 R)
• M23: 28,008,611 km (0.108 R)
• M24: 29,652,542 km (0.072 R)
• M25: 30,026,537 km (0.08 R)
• M26: 30,688,358 km (0.115 R)
• M27: 32,041,171 km (0.085 R)
• M28: 33,940,017 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.4

Radius: 3.9

Gravity: 58.41 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.11 AU - 11.05 AU

Year: 18246 Days

Day: 20.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 78,050,983 km

• M1: 49,068 km (0.087 R)
• M2: 327,919 km (0.095 R)
• M3: 503,397 km (0.069 R)
• M4: 1,100,143 km (0.117 R)
• M5: 1,238,222 km (0.111 R)
• M6: 1,467,406 km (0.094 R)
• M7: 1,911,861 km (0.077 R)
• M8: 2,071,482 km (0.077 R)
• M9: 2,305,453 km (0.079 R)
• M10: 2,701,588 km (0.101 R)
• M11: 3,779,590 km (0.094 R)
• M12: 6,602,801 km (0.048 R)
• M13: 8,514,213 km (0.105 R)
• M14: 8,783,190 km (0.057 R)
• M15: 9,057,852 km (0.065 R)
• M16: 12,399,420 km (0.112 R)
• M17: 13,600,690 km (0.059 R)
• M18: 13,746,997 km (0.114 R)
• M19: 15,346,647 km (0.089 R)
• M20: 17,493,676 km (0.091 R)
• M21: 18,104,185 km (0.108 R)
• M22: 18,459,330 km (0.025 R)
• M23: 18,638,698 km (0.093 R)
• M24: 20,210,224 km (0.085 R)
• M25: 23,091,030 km (0.115 R)
• M26: 23,719,490 km (0.11 R)
• M27: 28,440,949 km (0.08 R)
• M28: 29,896,686 km (0.114 R)
• M29: 31,914,013 km (0.058 R)
• M30: 32,824,316 km (0.119 R)
• M31: 37,350,250 km (0.101 R)
• M32: 38,215,374 km (0.089 R)
• M33: 39,389,718 km (0.111 R)
• M34: 44,972,561 km (0.114 R)
• M35: 46,944,560 km (0.043 R)
• M36: 52,304,053 km (0.113 R)
• M37: 53,386,394 km (0.109 R)
• M38: 56,157,545 km (0.084 R)
• M39: 59,607,421 km (0.081 R)
• M40: 60,788,048 km (0.092 R)
• M41: 68,415,145 km (0.077 R)
• M42: 69,060,062 km (0.069 R)
• M43: 71,680,568 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 18,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit