🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.7

Radius: 11.5

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.65 AU - 0.85 AU

Year: 448 Days

Day: 8.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 161.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,887,041 km

• M1: 143,016 km (0.118 R)
• M2: 510,428 km (0.083 R)
• M3: 1,142,928 km (0.103 R)
• M4: 1,590,824 km (0.047 R)
• M5: 2,032,885 km (0.027 R)
• M6: 2,851,784 km (0.049 R)
• M7: 3,292,200 km (0.112 R)
• M8: 4,084,471 km (0.047 R)
• M9: 4,547,177 km (0.118 R)
• M10: 5,075,108 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869

Radius: 10.3

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.1 AU - 1.44 AU

Year: 988 Days

Day: 6.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,887,041 km

• M1: 128,205 km (0.064 R)
• M2: 536,458 km (0.117 R)
• M3: 1,280,707 km (0.081 R)
• M4: 2,094,520 km (0.098 R)
• M5: 2,471,955 km (0.115 R)
• M6: 3,605,009 km (0.119 R)
• M7: 4,287,774 km (0.068 R)
• M8: 6,149,370 km (0.119 R)
• M9: 6,671,167 km (0.109 R)
• M10: 7,445,785 km (0.117 R)
• M11: 8,972,880 km (0.057 R)
• M12: 9,734,932 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.3

Radius: 8.1

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.55 AU - 4.89 AU

Year: 7078 Days

Day: 10.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,887,041 km

• M1: 102,026 km (0.117 R)
• M2: 649,853 km (0.11 R)
• M3: 1,202,318 km (0.094 R)
• M4: 1,666,071 km (0.096 R)
• M5: 2,066,844 km (0.115 R)
• M6: 2,432,761 km (0.097 R)
• M7: 2,841,462 km (0.087 R)
• M8: 3,752,962 km (0.047 R)
• M9: 4,396,083 km (0.111 R)
• M10: 5,164,567 km (0.088 R)
• M11: 7,439,801 km (0.093 R)
• M12: 11,198,597 km (0.079 R)
• M13: 11,520,831 km (0.118 R)
• M14: 12,574,449 km (0.068 R)
• M15: 12,872,598 km (0.062 R)
• M16: 21,316,201 km (0.052 R)
• M17: 25,182,857 km (0.039 R)
• M18: 27,033,233 km (0.103 R)
• M19: 28,372,583 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.3

Radius: 7.8

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.95 AU - 6.21 AU

Year: 10348 Days

Day: 19.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 50,887,041 km

• M1: 96,939 km (0.117 R)
• M2: 511,176 km (0.1 R)
• M3: 1,035,516 km (0.112 R)
• M4: 1,302,848 km (0.059 R)
• M5: 1,963,622 km (0.078 R)
• M6: 2,516,685 km (0.117 R)
• M7: 2,830,242 km (0.1 R)
• M8: 3,460,498 km (0.073 R)
• M9: 3,930,385 km (0.07 R)
• M10: 4,180,961 km (0.064 R)
• M11: 4,561,688 km (0.12 R)
• M12: 5,061,943 km (0.12 R)
• M13: 5,738,126 km (0.102 R)
• M14: 6,246,309 km (0.042 R)
• M15: 6,549,993 km (0.038 R)
• M16: 8,445,548 km (0.102 R)
• M17: 8,864,422 km (0.083 R)
• M18: 10,049,387 km (0.087 R)
• M19: 12,610,203 km (0.093 R)
• M20: 14,234,985 km (0.111 R)
• M21: 15,165,484 km (0.108 R)
• M22: 15,507,315 km (0.115 R)
• M23: 15,784,670 km (0.111 R)
• M24: 27,004,959 km (0.078 R)
• M25: 28,635,276 km (0.118 R)
• M26: 32,654,822 km (0.12 R)
• M27: 33,802,536 km (0.118 R)
• M28: 35,453,947 km (0.118 R)
• M29: 36,788,809 km (0.093 R)
• M30: 41,126,399 km (0.096 R)
• M31: 41,658,070 km (0.102 R)
• M32: 43,143,876 km (0.091 R)
• M33: 46,795,560 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 764.1

Radius: 6.9

Gravity: 16.05 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.74 AU - 9.18 AU

Year: 14064 Days

Day: 19.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,887,041 km

• M1: 135,984 km (0.114 R)
• M2: 365,767 km (0.093 R)
• M3: 853,905 km (0.095 R)
• M4: 1,107,024 km (0.109 R)
• M5: 2,089,733 km (0.075 R)
• M6: 2,667,031 km (0.118 R)
• M7: 3,345,756 km (0.113 R)
• M8: 4,380,674 km (0.119 R)
• M9: 5,109,814 km (0.101 R)
• M10: 5,994,536 km (0.089 R)
• M11: 7,327,902 km (0.03 R)
• M12: 7,598,225 km (0.075 R)
• M13: 8,847,966 km (0.029 R)
• M14: 13,681,174 km (0.104 R)
• M15: 18,744,464 km (0.115 R)
• M16: 20,203,342 km (0.096 R)
• M17: 29,544,532 km (0.108 R)
• M18: 30,230,439 km (0.113 R)
• M19: 35,460,530 km (0.099 R)
• M20: 43,134,452 km (0.074 R)
• M21: 60,551,234 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.4

Radius: 7.9

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.17 AU - 10.01 AU

Year: 17378 Days

Day: 17.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,887,041 km

• M1: 102,624 km (0.107 R)
• M2: 370,404 km (0.044 R)
• M3: 836,102 km (0.113 R)
• M4: 1,249,441 km (0.099 R)
• M5: 2,885,145 km (0.096 R)
• M6: 3,861,121 km (0.082 R)
• M7: 4,250,076 km (0.11 R)
• M8: 5,928,414 km (0.075 R)
• M9: 6,258,277 km (0.12 R)
• M10: 9,454,585 km (0.112 R)
• M11: 10,318,513 km (0.108 R)
• M12: 15,034,137 km (0.062 R)
• M13: 15,305,358 km (0.068 R)
• M14: 21,268,628 km (0.083 R)
• M15: 21,610,609 km (0.086 R)
• M16: 26,297,660 km (0.119 R)
• M17: 27,390,473 km (0.078 R)
• M18: 28,616,876 km (0.103 R)
• M19: 36,387,737 km (0.084 R)
• M20: 37,743,842 km (0.086 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: 311 - 19,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit