🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.2

Radius: 12.1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.56 AU - 0.78 AU

Year: 385 Days

Day: 11.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,339,573 km

• M1: 155,432 km (0.113 R)
• M2: 575,353 km (0.025 R)
• M3: 1,004,849 km (0.031 R)
• M4: 1,510,789 km (0.08 R)
• M5: 2,061,010 km (0.077 R)
• M6: 2,456,397 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.2

Radius: 10.7

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.58 AU - 0.82 AU

Year: 412 Days

Day: 12.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,339,573 km

• M1: 133,142 km (0.098 R)
• M2: 487,839 km (0.117 R)
• M3: 831,016 km (0.114 R)
• M4: 1,362,986 km (0.094 R)
• M5: 1,708,557 km (0.068 R)
• M6: 2,572,784 km (0.057 R)
• M7: 2,918,954 km (0.059 R)
• M8: 3,410,233 km (0.085 R)
• M9: 4,338,039 km (0.093 R)
• M10: 4,802,690 km (0.109 R)
• M11: 5,316,110 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.8

Radius: 15

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1 AU - 1.24 AU

Year: 833 Days

Day: 11.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,339,573 km

• M1: 186,549 km (0.115 R)
• M2: 794,065 km (0.089 R)
• M3: 1,616,106 km (0.093 R)
• M4: 2,727,917 km (0.092 R)
• M5: 3,501,039 km (0.097 R)
• M6: 4,224,793 km (0.113 R)
• M7: 5,300,851 km (0.057 R)
• M8: 5,894,007 km (0.109 R)
• M9: 6,922,492 km (0.11 R)
• M10: 7,994,061 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.8

Radius: 12.2

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.81 AU - 3.13 AU

Year: 3598 Days

Day: 11.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,339,573 km

• M1: 151,842 km (0.089 R)
• M2: 552,914 km (0.081 R)
• M3: 1,067,082 km (0.093 R)
• M4: 1,516,474 km (0.076 R)
• M5: 1,898,397 km (0.092 R)
• M6: 2,540,770 km (0.098 R)
• M7: 3,632,087 km (0.1 R)
• M8: 4,218,062 km (0.093 R)
• M9: 5,317,307 km (0.062 R)
• M10: 5,714,489 km (0.109 R)
• M11: 6,131,568 km (0.094 R)
• M12: 7,737,800 km (0.104 R)
• M13: 8,145,305 km (0.081 R)
• M14: 10,567,145 km (0.085 R)
• M15: 12,077,485 km (0.094 R)
• M16: 13,776,468 km (0.075 R)
• M17: 14,478,531 km (0.09 R)
• M18: 15,257,038 km (0.089 R)
• M19: 16,063,221 km (0.084 R)
• M20: 18,834,671 km (0.084 R)
• M21: 19,574,582 km (0.053 R)
• M22: 22,591,373 km (0.116 R)
• M23: 23,356,267 km (0.103 R)
• M24: 23,994,900 km (0.031 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.7

Radius: 8

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.24 AU - 7.84 AU

Year: 14553 Days

Day: 24.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,339,573 km

• M1: 104,120 km (0.06 R)
• M2: 619,186 km (0.101 R)
• M3: 1,024,745 km (0.118 R)
• M4: 2,188,168 km (0.101 R)
• M5: 4,734,324 km (0.088 R)
• M6: 5,724,512 km (0.105 R)
• M7: 8,064,223 km (0.12 R)
• M8: 10,759,677 km (0.09 R)
• M9: 14,003,408 km (0.065 R)
• M10: 14,589,832 km (0.049 R)
• M11: 18,458,283 km (0.08 R)
• M12: 19,967,576 km (0.107 R)
• M13: 22,603,939 km (0.069 R)
• M14: 29,287,673 km (0.053 R)
• M15: 30,031,473 km (0.087 R)
• M16: 30,462,166 km (0.029 R)
• M17: 32,451,219 km (0.103 R)
• M18: 40,224,923 km (0.111 R)
• M19: 44,261,372 km (0.118 R)
• M20: 44,819,223 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.7

Radius: 4.4

Gravity: 29.99 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.92 AU - 10.84 AU

Year: 21829 Days

Day: 22.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,339,573 km

• M1: 77,641 km (0.061 R)
• M2: 302,038 km (0.071 R)
• M3: 1,057,358 km (0.112 R)
• M4: 2,625,443 km (0.092 R)
• M5: 3,613,836 km (0.101 R)
• M6: 4,374,242 km (0.091 R)
• M7: 5,047,582 km (0.032 R)
• M8: 9,195,482 km (0.115 R)
• M9: 9,476,427 km (0.089 R)
• M10: 13,025,487 km (0.098 R)
• M11: 17,540,799 km (0.036 R)
• M12: 18,768,549 km (0.088 R)
• M13: 19,129,529 km (0.086 R)
• M14: 21,589,965 km (0.119 R)
• M15: 28,765,875 km (0.045 R)
• M16: 37,952,531 km (0.045 R)
• M17: 52,752,847 km (0.085 R)
• M18: 53,652,080 km (0.096 R)
• M19: 54,561,485 km (0.061 R)
• M20: 64,432,102 km (0.043 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 18,794 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit