🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.47 AU - 0.53 AU

Year: 232 Days

Day: 20.9 Hours

Environment

Temp: -112 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,738,777 km

• M1: 31,565 km (0.106 R)

Asteroid Belt

Center: 0.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.7

Radius: 9.9

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.32 AU - 1.5 AU

Year: 1098 Days

Day: 7.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,738,777 km

• M1: 123,269 km (0.113 R)
• M2: 549,323 km (0.109 R)
• M3: 864,825 km (0.1 R)
• M4: 1,229,545 km (0.107 R)
• M5: 1,889,272 km (0.081 R)
• M6: 4,146,554 km (0.065 R)
• M7: 4,985,050 km (0.11 R)
• M8: 5,741,117 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.2

Radius: 13.3

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.24 AU - 1.88 AU

Year: 1278 Days

Day: 7.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,738,777 km

• M1: 165,455 km (0.113 R)
• M2: 604,974 km (0.057 R)
• M3: 1,247,347 km (0.033 R)
• M4: 1,689,110 km (0.046 R)
• M5: 2,721,634 km (0.079 R)
• M6: 3,204,686 km (0.086 R)
• M7: 3,713,618 km (0.102 R)
• M8: 4,488,385 km (0.081 R)
• M9: 5,871,567 km (0.084 R)
• M10: 6,314,975 km (0.078 R)
• M11: 8,235,512 km (0.07 R)
• M12: 9,109,463 km (0.081 R)
• M13: 10,487,110 km (0.1 R)
• M14: 11,651,430 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.6

Radius: 8.7

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.65 AU - 3.83 AU

Year: 3826 Days

Day: 13.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,738,777 km

• M1: 108,309 km (0.088 R)
• M2: 432,487 km (0.058 R)
• M3: 927,656 km (0.092 R)
• M4: 1,299,706 km (0.117 R)
• M5: 1,720,824 km (0.119 R)
• M6: 2,046,050 km (0.065 R)
• M7: 2,320,413 km (0.098 R)
• M8: 3,052,545 km (0.108 R)
• M9: 3,780,787 km (0.084 R)
• M10: 4,523,840 km (0.091 R)
• M11: 5,096,949 km (0.117 R)
• M12: 6,789,051 km (0.092 R)
• M13: 7,372,482 km (0.072 R)
• M14: 8,095,040 km (0.038 R)
• M15: 11,020,277 km (0.029 R)
• M16: 11,598,323 km (0.093 R)
• M17: 12,912,091 km (0.096 R)
• M18: 15,172,964 km (0.107 R)
• M19: 18,354,163 km (0.056 R)
• M20: 20,462,446 km (0.111 R)
• M21: 20,996,959 km (0.108 R)
• M22: 23,300,317 km (0.047 R)
• M23: 26,077,602 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.2

Radius: 9.7

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.56 AU - 5.8 AU

Year: 7734 Days

Day: 13.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,738,777 km

• M1: 122,670 km (0.118 R)
• M2: 427,850 km (0.105 R)
• M3: 1,098,796 km (0.109 R)
• M4: 1,777,971 km (0.084 R)
• M5: 2,501,576 km (0.069 R)
• M6: 3,340,221 km (0.088 R)
• M7: 4,610,457 km (0.113 R)
• M8: 5,057,156 km (0.085 R)
• M9: 5,598,102 km (0.089 R)
• M10: 6,390,971 km (0.064 R)
• M11: 7,256,843 km (0.102 R)
• M12: 7,820,977 km (0.107 R)
• M13: 8,284,580 km (0.099 R)
• M14: 10,729,010 km (0.043 R)
• M15: 11,676,862 km (0.065 R)
• M16: 13,202,012 km (0.102 R)
• M17: 14,227,954 km (0.09 R)
• M18: 17,482,157 km (0.07 R)
• M19: 21,690,943 km (0.03 R)
• M20: 22,187,309 km (0.078 R)
• M21: 23,985,027 km (0.1 R)
• M22: 24,426,939 km (0.095 R)
• M23: 25,693,285 km (0.092 R)
• M24: 27,481,129 km (0.095 R)
• M25: 32,257,490 km (0.074 R)
• M26: 33,122,165 km (0.114 R)
• M27: 35,237,479 km (0.118 R)
• M28: 39,489,799 km (0.088 R)
• M29: 39,858,857 km (0.066 R)
• M30: 41,738,853 km (0.118 R)
• M31: 43,024,647 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.2

Radius: 10.6

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.96 AU - 6.48 AU

Year: 8974 Days

Day: 9.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,738,777 km

• M1: 132,544 km (0.109 R)
• M2: 652,845 km (0.059 R)
• M3: 1,421,479 km (0.11 R)
• M4: 2,223,623 km (0.086 R)
• M5: 3,257,494 km (0.048 R)
• M6: 5,519,713 km (0.085 R)
• M7: 6,840,512 km (0.104 R)
• M8: 7,191,469 km (0.089 R)
• M9: 7,761,437 km (0.078 R)
• M10: 8,143,659 km (0.118 R)
• M11: 11,946,736 km (0.103 R)
• M12: 12,572,504 km (0.116 R)
• M13: 18,842,749 km (0.063 R)
• M14: 23,251,548 km (0.09 R)
• M15: 26,354,657 km (0.1 R)
• M16: 27,317,469 km (0.117 R)
• M17: 31,726,268 km (0.118 R)
• M18: 32,267,962 km (0.095 R)
• M19: 35,998,484 km (0.118 R)
• M20: 37,664,705 km (0.069 R)
• M21: 42,184,056 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.6

Radius: 4.6

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.39 AU - 10.99 AU

Year: 18276 Days

Day: 24.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,738,777 km

• M1: 61,036 km (0.044 R)
• M2: 208,689 km (0.094 R)
• M3: 355,594 km (0.069 R)
• M4: 747,092 km (0.106 R)
• M5: 1,103,135 km (0.063 R)
• M6: 1,622,688 km (0.102 R)
• M7: 1,822,700 km (0.118 R)
• M8: 2,091,229 km (0.109 R)
• M9: 2,543,164 km (0.115 R)
• M10: 2,922,843 km (0.078 R)
• M11: 3,954,769 km (0.091 R)
• M12: 5,241,610 km (0.09 R)
• M13: 6,289,693 km (0.027 R)
• M14: 7,345,854 km (0.111 R)
• M15: 10,572,381 km (0.069 R)
• M16: 10,837,468 km (0.07 R)
• M17: 12,999,157 km (0.113 R)
• M18: 13,364,775 km (0.094 R)
• M19: 13,800,104 km (0.097 R)
• M20: 14,698,888 km (0.114 R)
• M21: 16,329,356 km (0.065 R)
• M22: 18,608,629 km (0.095 R)
• M23: 21,766,490 km (0.06 R)
• M24: 22,195,537 km (0.111 R)
• M25: 24,795,697 km (0.074 R)
• M26: 28,398,762 km (0.079 R)
• M27: 31,021,362 km (0.079 R)
• M28: 34,145,415 km (0.074 R)
• M29: 37,228,178 km (0.083 R)
• M30: 43,804,052 km (0.082 R)
• M31: 47,149,958 km (0.066 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 17,999 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit