🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.6

Radius: 12.2

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.5 AU - 0.7 AU

Year: 310 Days

Day: 8.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,703,116 km

• M1: 151,991 km (0.084 R)
• M2: 547,977 km (0.027 R)
• M3: 1,206,357 km (0.091 R)
• M4: 1,601,894 km (0.06 R)
• M5: 2,101,551 km (0.11 R)
• M6: 2,485,419 km (0.062 R)
• M7: 3,047,608 km (0.113 R)
• M8: 4,105,863 km (0.106 R)
• M9: 4,824,831 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.6

Radius: 10.6

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.75 AU - 1.17 AU

Year: 627 Days

Day: 10.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,703,116 km

• M1: 131,796 km (0.046 R)
• M2: 494,870 km (0.094 R)
• M3: 931,396 km (0.071 R)
• M4: 1,282,054 km (0.043 R)
• M5: 1,673,252 km (0.112 R)
• M6: 2,011,792 km (0.111 R)
• M7: 2,725,972 km (0.067 R)
• M8: 3,174,168 km (0.118 R)
• M9: 4,021,191 km (0.049 R)
• M10: 4,839,491 km (0.117 R)
• M11: 5,243,405 km (0.094 R)
• M12: 6,383,341 km (0.089 R)
• M13: 7,704,739 km (0.079 R)
• M14: 8,183,452 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735

Radius: 12.8

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.98 AU - 1 AU

Year: 657 Days

Day: 10.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,703,116 km

• M1: 159,172 km (0.054 R)
• M2: 585,376 km (0.095 R)
• M3: 1,014,274 km (0.118 R)
• M4: 1,433,596 km (0.06 R)
• M5: 2,577,871 km (0.115 R)
• M6: 3,142,902 km (0.09 R)
• M7: 3,542,328 km (0.054 R)
• M8: 4,213,274 km (0.1 R)
• M9: 4,950,642 km (0.118 R)
• M10: 5,549,632 km (0.106 R)
• M11: 6,117,955 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.6

Radius: 11

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.02 AU - 1.26 AU

Year: 812 Days

Day: 14.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,703,116 km

• M1: 137,032 km (0.11 R)
• M2: 586,723 km (0.109 R)
• M3: 1,447,509 km (0.105 R)
• M4: 1,858,305 km (0.087 R)
• M5: 2,248,606 km (0.111 R)
• M6: 2,650,126 km (0.109 R)
• M7: 3,653,629 km (0.093 R)
• M8: 6,217,736 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.2

Radius: 13.5

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.19 AU - 1.45 AU

Year: 1011 Days

Day: 12.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,703,116 km

• M1: 168,298 km (0.031 R)
• M2: 665,561 km (0.091 R)
• M3: 1,101,788 km (0.102 R)
• M4: 1,646,773 km (0.109 R)
• M5: 2,134,313 km (0.093 R)
• M6: 2,862,555 km (0.071 R)
• M7: 3,450,176 km (0.101 R)
• M8: 3,886,104 km (0.116 R)
• M9: 4,541,791 km (0.117 R)
• M10: 5,103,980 km (0.101 R)
• M11: 5,536,468 km (0.066 R)
• M12: 6,179,290 km (0.103 R)
• M13: 6,627,784 km (0.085 R)
• M14: 7,236,647 km (0.072 R)
• M15: 7,931,829 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.5

Radius: 10.3

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.16 AU - 2.78 AU

Year: 2589 Days

Day: 9.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,703,116 km

• M1: 129,402 km (0.051 R)
• M2: 459,864 km (0.113 R)
• M3: 826,528 km (0.111 R)
• M4: 2,563,958 km (0.12 R)
• M5: 3,351,142 km (0.079 R)
• M6: 4,310,663 km (0.118 R)
• M7: 5,095,603 km (0.047 R)
• M8: 7,404,945 km (0.075 R)
• M9: 9,243,802 km (0.057 R)
• M10: 9,797,015 km (0.106 R)
• M11: 10,406,776 km (0.025 R)
• M12: 11,627,644 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.6

Radius: 10.8

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.98 AU - 3.24 AU

Year: 3657 Days

Day: 9.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,703,116 km

• M1: 134,788 km (0.097 R)
• M2: 487,839 km (0.056 R)
• M3: 925,861 km (0.084 R)
• M4: 1,357,301 km (0.09 R)
• M5: 2,015,083 km (0.036 R)
• M6: 2,372,323 km (0.053 R)
• M7: 3,667,691 km (0.104 R)
• M8: 4,027,773 km (0.068 R)
• M9: 4,969,791 km (0.086 R)
• M10: 5,466,157 km (0.096 R)
• M11: 5,937,988 km (0.101 R)
• M12: 6,376,759 km (0.113 R)
• M13: 7,619,768 km (0.107 R)
• M14: 8,979,762 km (0.098 R)
• M15: 9,480,316 km (0.113 R)
• M16: 11,314,087 km (0.084 R)
• M17: 12,361,571 km (0.064 R)
• M18: 14,335,515 km (0.055 R)
• M19: 16,740,301 km (0.116 R)
• M20: 17,146,160 km (0.061 R)
• M21: 18,281,309 km (0.045 R)
• M22: 20,900,468 km (0.074 R)
• M23: 22,897,600 km (0.071 R)
• M24: 25,473,675 km (0.087 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 18,525 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit