🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.9

Radius: 14.2

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.49 AU - 0.57 AU

Year: 271 Days

Day: 10.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,769,408 km

• M1: 187,297 km (0.041 R)
• M2: 637,885 km (0.077 R)
• M3: 1,099,844 km (0.119 R)
• M4: 1,714,840 km (0.065 R)
• M5: 2,204,923 km (0.076 R)
• M6: 2,798,527 km (0.065 R)
• M7: 3,272,453 km (0.089 R)
• M8: 3,767,174 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848

Radius: 10.5

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.4 AU - 3.94 AU

Year: 3967 Days

Day: 12.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,769,408 km

• M1: 130,599 km (0.079 R)
• M2: 471,532 km (0.094 R)
• M3: 826,229 km (0.083 R)
• M4: 1,227,301 km (0.094 R)
• M5: 2,634,119 km (0.076 R)
• M6: 2,983,879 km (0.102 R)
• M7: 3,325,112 km (0.049 R)
• M8: 4,583,230 km (0.089 R)
• M9: 5,145,568 km (0.098 R)
• M10: 6,316,321 km (0.066 R)
• M11: 7,079,420 km (0.043 R)
• M12: 8,561,337 km (0.066 R)
• M13: 9,137,737 km (0.072 R)
• M14: 10,583,451 km (0.057 R)
• M15: 10,978,689 km (0.115 R)
• M16: 11,383,800 km (0.105 R)
• M17: 11,798,784 km (0.025 R)
• M18: 12,416,174 km (0.116 R)
• M19: 14,238,426 km (0.109 R)
• M20: 15,717,500 km (0.048 R)
• M21: 18,659,342 km (0.069 R)
• M22: 21,527,433 km (0.081 R)
• M23: 22,377,448 km (0.051 R)
• M24: 23,994,002 km (0.076 R)
• M25: 24,524,177 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.3

Radius: 12.5

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.41 AU - 4.75 AU

Year: 5793 Days

Day: 7.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,769,408 km

• M1: 155,582 km (0.095 R)
• M2: 693,685 km (0.11 R)
• M3: 1,240,765 km (0.063 R)
• M4: 2,198,790 km (0.038 R)
• M5: 3,259,738 km (0.073 R)
• M6: 3,789,314 km (0.108 R)
• M7: 6,070,981 km (0.025 R)
• M8: 7,170,525 km (0.108 R)
• M9: 7,689,480 km (0.114 R)
• M10: 9,398,935 km (0.069 R)
• M11: 13,648,113 km (0.112 R)
• M12: 14,687,968 km (0.05 R)
• M13: 15,678,605 km (0.029 R)
• M14: 18,917,997 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.6

Radius: 4.6

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.96 AU - 7.16 AU

Year: 11810 Days

Day: 16.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,769,408 km

• M1: 86,168 km (0.102 R)
• M2: 528,978 km (0.057 R)
• M3: 992,133 km (0.092 R)
• M4: 1,146,817 km (0.044 R)
• M5: 1,756,578 km (0.095 R)
• M6: 2,727,169 km (0.085 R)
• M7: 3,345,008 km (0.094 R)
• M8: 4,133,389 km (0.11 R)
• M9: 4,428,995 km (0.111 R)
• M10: 4,604,174 km (0.104 R)
• M11: 5,989,151 km (0.106 R)
• M12: 8,370,001 km (0.085 R)
• M13: 13,514,971 km (0.118 R)
• M14: 16,138,020 km (0.034 R)
• M15: 19,429,323 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.4

Radius: 3.4

Gravity: 54.88 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.64 AU - 9.9 AU

Year: 19839 Days

Day: 21.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 73,769,408 km

• M1: 42,635 km (0.094 R)
• M2: 189,840 km (0.103 R)
• M3: 373,546 km (0.082 R)
• M4: 516,711 km (0.044 R)
• M5: 904,618 km (0.075 R)
• M6: 1,023,698 km (0.101 R)
• M7: 1,678,189 km (0.113 R)
• M8: 1,840,353 km (0.109 R)
• M9: 2,259,975 km (0.104 R)
• M10: 2,368,733 km (0.11 R)
• M11: 2,715,949 km (0.11 R)
• M12: 2,965,628 km (0.031 R)
• M13: 3,096,227 km (0.111 R)
• M14: 3,396,769 km (0.064 R)
• M15: 10,528,997 km (0.082 R)
• M16: 11,911,581 km (0.102 R)
• M17: 12,510,421 km (0.06 R)
• M18: 12,920,768 km (0.08 R)
• M19: 14,058,460 km (0.053 R)
• M20: 14,802,560 km (0.061 R)
• M21: 16,127,099 km (0.116 R)
• M22: 16,612,844 km (0.115 R)
• M23: 18,042,102 km (0.075 R)
• M24: 18,919,942 km (0.096 R)
• M25: 21,723,855 km (0.096 R)
• M26: 22,018,712 km (0.109 R)
• M27: 25,876,392 km (0.115 R)
• M28: 28,488,371 km (0.096 R)
• M29: 28,723,390 km (0.087 R)
• M30: 46,610,508 km (0.084 R)
• M31: 48,759,481 km (0.107 R)
• M32: 53,075,978 km (0.07 R)
• M33: 54,509,126 km (0.076 R)
• M34: 59,920,978 km (0.104 R)
• M35: 62,261,287 km (0.117 R)
• M36: 68,798,415 km (0.095 R)
• M37: 70,715,961 km (0.098 R)
• M38: 71,579,589 km (0.115 R)
• M39: 72,668,961 km (0.114 R)
• M40: 73,548,447 km (0.1 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: 495 - 13,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit