🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.67 AU - 0.95 AU

Year: 264 Days

Day: 45.9 Hours

Environment

Temp: 129 °C

Axial Tilt: 44.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.24 AU - 2 AU

Year: 746 Days

Day: 44.8 Hours

Environment

Temp: -37 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.62 AU - 2.42 AU

Year: 1038 Days

Day: 22.4 Hours

Environment

Temp: -55 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 107,707,981 km

• M1: 36,203 km (0.042 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.71 AU - 2.69 AU

Year: 1180 Days

Day: 47.6 Hours

Environment

Temp: -70 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.5

Radius: 8.5

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.61 AU - 6.17 AU

Year: 4526 Days

Day: 9.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 107,707,981 km

• M1: 105,766 km (0.08 R)
• M2: 508,483 km (0.108 R)
• M3: 944,262 km (0.069 R)
• M4: 1,333,515 km (0.111 R)
• M5: 2,292,737 km (0.104 R)
• M6: 2,561,564 km (0.104 R)
• M7: 3,181,348 km (0.094 R)
• M8: 3,754,159 km (0.057 R)
• M9: 4,108,406 km (0.064 R)
• M10: 5,230,540 km (0.099 R)
• M11: 5,753,983 km (0.064 R)
• M12: 6,197,541 km (0.046 R)
• M13: 6,693,607 km (0.085 R)
• M14: 7,215,853 km (0.109 R)
• M15: 8,765,986 km (0.1 R)
• M16: 9,130,257 km (0.106 R)
• M17: 10,813,532 km (0.076 R)
• M18: 11,619,416 km (0.027 R)
• M19: 12,373,988 km (0.115 R)
• M20: 13,735,927 km (0.06 R)
• M21: 16,151,334 km (0.06 R)
• M22: 16,699,461 km (0.115 R)
• M23: 17,430,695 km (0.106 R)
• M24: 17,949,201 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.6

Radius: 11.7

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.17 AU - 9.35 AU

Year: 9377 Days

Day: 13.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 107,707,981 km

• M1: 153,936 km (0.118 R)
• M2: 523,892 km (0.082 R)
• M3: 1,058,106 km (0.077 R)
• M4: 1,488,499 km (0.074 R)
• M5: 1,976,188 km (0.104 R)
• M6: 2,393,416 km (0.08 R)
• M7: 3,797,542 km (0.107 R)
• M8: 5,880,393 km (0.114 R)
• M9: 7,484,082 km (0.106 R)
• M10: 9,274,170 km (0.062 R)
• M11: 12,578,039 km (0.091 R)
• M12: 13,682,520 km (0.076 R)
• M13: 14,493,341 km (0.113 R)
• M14: 15,092,032 km (0.079 R)
• M15: 17,991,986 km (0.076 R)
• M16: 19,827,103 km (0.117 R)
• M17: 20,714,817 km (0.034 R)
• M18: 21,939,575 km (0.034 R)
• M19: 24,870,796 km (0.109 R)
• M20: 26,696,189 km (0.118 R)
• M21: 27,233,694 km (0.115 R)
• M22: 29,456,569 km (0.084 R)
• M23: 30,905,723 km (0.102 R)
• M24: 33,219,404 km (0.076 R)
• M25: 35,754,340 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.9

Radius: 3.6

Gravity: 66.43 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 17.1 AU - 20.98 AU

Year: 30046 Days

Day: 17.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 107,707,981 km

• M1: 44,879 km (0.112 R)
• M2: 415,433 km (0.113 R)
• M3: 528,380 km (0.042 R)
• M4: 972,237 km (0.096 R)
• M5: 1,099,844 km (0.114 R)
• M6: 1,406,669 km (0.043 R)
• M7: 3,913,929 km (0.104 R)
• M8: 4,740,457 km (0.1 R)
• M9: 5,323,291 km (0.05 R)
• M10: 7,356,924 km (0.105 R)
• M11: 7,739,895 km (0.064 R)
• M12: 13,910,508 km (0.085 R)
• M13: 14,326,390 km (0.097 R)
• M14: 18,549,837 km (0.087 R)
• M15: 24,723,442 km (0.101 R)
• M16: 26,710,101 km (0.102 R)
• M17: 27,093,970 km (0.104 R)
• M18: 28,934,771 km (0.098 R)
• M19: 30,023,096 km (0.083 R)
• M20: 31,138,348 km (0.082 R)
• M21: 33,748,382 km (0.069 R)
• M22: 36,500,534 km (0.087 R)
• M23: 38,905,170 km (0.116 R)
• M24: 53,531,055 km (0.12 R)
• M25: 56,417,995 km (0.074 R)
• M26: 63,857,197 km (0.11 R)
• M27: 66,866,059 km (0.116 R)
• M28: 70,697,111 km (0.109 R)
• M29: 76,456,779 km (0.1 R)
• M30: 91,191,421 km (0.111 R)

Kuiper Belt

Range: 30.3 - 60.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 17,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit