🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.1

Radius: 14.8

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.56 AU - 0.82 AU

Year: 376 Days

Day: 5.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 32,013,862 km

• M1: 184,005 km (0.107 R)
• M2: 677,828 km (0.118 R)
• M3: 1,737,729 km (0.083 R)
• M4: 2,582,059 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.4

Radius: 14.7

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.78 AU - 0.92 AU

Year: 514 Days

Day: 13.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,013,862 km

• M1: 182,809 km (0.091 R)
• M2: 641,176 km (0.108 R)
• M3: 1,202,168 km (0.116 R)
• M4: 1,972,149 km (0.086 R)
• M5: 2,432,910 km (0.108 R)
• M6: 2,912,222 km (0.096 R)
• M7: 3,504,330 km (0.081 R)
• M8: 4,390,249 km (0.081 R)
• M9: 5,173,394 km (0.117 R)
• M10: 6,012,039 km (0.109 R)
• M11: 6,492,996 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.5

Radius: 9.8

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.83 AU - 1.85 AU

Year: 1637 Days

Day: 9.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,013,862 km

• M1: 122,072 km (0.091 R)
• M2: 512,522 km (0.043 R)
• M3: 843,283 km (0.043 R)
• M4: 1,776,176 km (0.117 R)
• M5: 2,201,931 km (0.088 R)
• M6: 2,658,504 km (0.041 R)
• M7: 3,520,337 km (0.073 R)
• M8: 4,281,192 km (0.114 R)
• M9: 4,791,769 km (0.092 R)
• M10: 6,149,071 km (0.045 R)
• M11: 7,106,198 km (0.079 R)
• M12: 8,107,307 km (0.096 R)
• M13: 9,487,647 km (0.099 R)
• M14: 10,172,805 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.4

Radius: 14.6

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.2 AU - 2.3 AU

Year: 2214 Days

Day: 11.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,013,862 km

• M1: 181,612 km (0.084 R)
• M2: 710,889 km (0.109 R)
• M3: 1,345,334 km (0.079 R)
• M4: 2,187,570 km (0.05 R)
• M5: 3,566,862 km (0.072 R)
• M6: 4,118,878 km (0.078 R)
• M7: 4,921,920 km (0.075 R)
• M8: 7,290,353 km (0.101 R)
• M9: 7,758,894 km (0.116 R)
• M10: 8,789,324 km (0.089 R)
• M11: 9,909,363 km (0.043 R)
• M12: 10,932,463 km (0.097 R)
• M13: 11,587,402 km (0.086 R)
• M14: 12,515,059 km (0.067 R)
• M15: 13,754,627 km (0.08 R)
• M16: 14,427,219 km (0.047 R)
• M17: 15,596,775 km (0.079 R)
• M18: 16,328,458 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.8

Radius: 13.9

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.39 AU - 2.69 AU

Year: 2656 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,013,862 km

• M1: 172,935 km (0.095 R)
• M2: 803,041 km (0.101 R)
• M3: 1,401,283 km (0.105 R)
• M4: 2,531,645 km (0.118 R)
• M5: 3,095,629 km (0.111 R)
• M6: 3,958,360 km (0.116 R)
• M7: 4,414,633 km (0.12 R)
• M8: 6,298,070 km (0.098 R)
• M9: 6,894,068 km (0.116 R)
• M10: 7,939,009 km (0.115 R)
• M11: 8,432,533 km (0.113 R)
• M12: 9,738,073 km (0.09 R)
• M13: 11,795,643 km (0.097 R)
• M14: 12,527,176 km (0.065 R)
• M15: 13,016,511 km (0.078 R)
• M16: 15,153,068 km (0.101 R)
• M17: 17,186,103 km (0.101 R)
• M18: 17,846,727 km (0.054 R)
• M19: 19,395,214 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.5

Radius: 9.1

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.67 AU - 3.39 AU

Year: 3460 Days

Day: 11.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,013,862 km

• M1: 114,143 km (0.091 R)
• M2: 674,088 km (0.111 R)
• M3: 1,123,779 km (0.062 R)
• M4: 1,452,446 km (0.063 R)
• M5: 2,405,235 km (0.032 R)
• M6: 2,740,483 km (0.051 R)
• M7: 3,224,881 km (0.117 R)
• M8: 3,841,973 km (0.104 R)
• M9: 4,179,017 km (0.068 R)
• M10: 4,732,678 km (0.05 R)
• M11: 5,214,982 km (0.098 R)
• M12: 5,679,184 km (0.083 R)
• M13: 6,386,184 km (0.025 R)
• M14: 7,268,961 km (0.083 R)
• M15: 8,692,085 km (0.118 R)
• M16: 9,275,218 km (0.109 R)
• M17: 9,702,320 km (0.11 R)
• M18: 10,217,235 km (0.114 R)
• M19: 11,023,717 km (0.088 R)
• M20: 11,422,396 km (0.096 R)
• M21: 13,291,920 km (0.085 R)
• M22: 13,927,263 km (0.051 R)
• M23: 18,393,956 km (0.113 R)
• M24: 18,955,247 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.5

Radius: 14.7

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.59 AU - 3.71 AU

Year: 3668 Days

Day: 5.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,013,862 km

• M1: 184,005 km (0.098 R)
• M2: 997,668 km (0.065 R)
• M3: 1,502,860 km (0.09 R)
• M4: 3,698,359 km (0.088 R)
• M5: 4,319,339 km (0.12 R)
• M6: 5,958,932 km (0.098 R)
• M7: 7,580,124 km (0.09 R)
• M8: 8,111,945 km (0.064 R)

Asteroid Belt

Center: 3.61 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.4

Radius: 10.8

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.92 AU - 4.22 AU

Year: 5386 Days

Day: 10.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 148 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,013,862 km

• M1: 136,134 km (0.109 R)
• M2: 1,065,735 km (0.109 R)
• M3: 1,925,325 km (0.088 R)
• M4: 2,380,102 km (0.043 R)
• M5: 3,507,920 km (0.066 R)
• M6: 3,907,945 km (0.113 R)
• M7: 4,264,437 km (0.031 R)
• M8: 4,773,818 km (0.062 R)
• M9: 5,467,204 km (0.114 R)
• M10: 7,585,958 km (0.078 R)
• M11: 7,954,867 km (0.119 R)
• M12: 8,413,235 km (0.09 R)
• M13: 8,848,864 km (0.113 R)
• M14: 9,765,450 km (0.077 R)
• M15: 11,738,347 km (0.039 R)
• M16: 12,132,687 km (0.091 R)
• M17: 12,587,015 km (0.104 R)
• M18: 13,691,347 km (0.042 R)
• M19: 14,631,719 km (0.082 R)
• M20: 18,827,790 km (0.099 R)
• M21: 19,920,303 km (0.111 R)
• M22: 25,202,155 km (0.086 R)
• M23: 26,697,535 km (0.052 R)
• M24: 27,380,749 km (0.05 R)
• M25: 27,900,900 km (0.057 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 14,677 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit