🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.8

Radius: 9.4

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.02 AU - 1.06 AU

Year: 674 Days

Day: 9.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,854,435 km

• M1: 117,584 km (0.11 R)
• M2: 461,061 km (0.104 R)
• M3: 822,190 km (0.036 R)
• M4: 1,205,609 km (0.114 R)
• M5: 1,613,712 km (0.095 R)
• M6: 2,003,415 km (0.114 R)
• M7: 2,314,129 km (0.026 R)
• M8: 2,986,721 km (0.077 R)
• M9: 3,512,558 km (0.053 R)
• M10: 4,128,602 km (0.108 R)
• M11: 5,185,661 km (0.107 R)
• M12: 5,796,170 km (0.084 R)
• M13: 6,534,435 km (0.085 R)
• M14: 7,421,850 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.7

Radius: 14.5

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.58 AU - 2.04 AU

Year: 1548 Days

Day: 12.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,854,435 km

• M1: 180,415 km (0.078 R)
• M2: 898,634 km (0.088 R)
• M3: 1,519,615 km (0.106 R)
• M4: 1,983,219 km (0.1 R)
• M5: 3,151,130 km (0.077 R)
• M6: 3,677,714 km (0.108 R)
• M7: 4,263,240 km (0.09 R)
• M8: 4,776,062 km (0.087 R)
• M9: 5,623,234 km (0.077 R)
• M10: 6,151,016 km (0.081 R)
• M11: 6,735,943 km (0.101 R)
• M12: 7,205,232 km (0.108 R)
• M13: 7,802,576 km (0.12 R)
• M14: 10,335,268 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.4

Radius: 11.6

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.42 AU - 3.16 AU

Year: 2963 Days

Day: 8.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,854,435 km

• M1: 144,362 km (0.098 R)
• M2: 807,829 km (0.044 R)
• M3: 1,437,785 km (0.115 R)
• M4: 2,294,233 km (0.093 R)
• M5: 3,080,519 km (0.096 R)
• M6: 3,536,793 km (0.113 R)
• M7: 4,327,567 km (0.03 R)
• M8: 4,948,548 km (0.073 R)
• M9: 7,507,868 km (0.106 R)
• M10: 8,142,313 km (0.078 R)
• M11: 8,743,696 km (0.114 R)
• M12: 11,532,201 km (0.119 R)
• M13: 12,420,812 km (0.082 R)
• M14: 13,768,838 km (0.057 R)
• M15: 19,025,558 km (0.119 R)
• M16: 19,609,588 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.3

Radius: 14

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.04 AU - 6.4 AU

Year: 7583 Days

Day: 7 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,854,435 km

• M1: 179,517 km (0.091 R)
• M2: 1,201,869 km (0.032 R)
• M3: 1,924,128 km (0.114 R)
• M4: 2,686,329 km (0.104 R)
• M5: 3,364,905 km (0.043 R)
• M6: 4,890,354 km (0.032 R)
• M7: 5,409,160 km (0.112 R)
• M8: 5,964,617 km (0.114 R)
• M9: 6,497,036 km (0.076 R)
• M10: 7,158,258 km (0.102 R)
• M11: 8,038,791 km (0.098 R)
• M12: 8,689,841 km (0.079 R)
• M13: 11,383,201 km (0.106 R)
• M14: 17,752,031 km (0.111 R)
• M15: 21,343,278 km (0.106 R)
• M16: 25,855,299 km (0.051 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.9

Radius: 4.9

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.96 AU - 7 AU

Year: 10488 Days

Day: 15.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,854,435 km

• M1: 61,036 km (0.097 R)
• M2: 227,688 km (0.114 R)
• M3: 563,236 km (0.086 R)
• M4: 974,780 km (0.116 R)
• M5: 2,718,792 km (0.086 R)
• M6: 3,086,503 km (0.098 R)
• M7: 5,537,964 km (0.102 R)
• M8: 6,646,185 km (0.118 R)
• M9: 6,872,975 km (0.031 R)
• M10: 12,014,654 km (0.103 R)
• M11: 15,324,357 km (0.118 R)
• M12: 16,327,112 km (0.1 R)
• M13: 16,636,330 km (0.092 R)
• M14: 17,587,324 km (0.1 R)
• M15: 17,803,493 km (0.052 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 12,604 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit