🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.49 AU - 0.71 AU

Year: 305 Days

Day: 35 Hours

Environment

Temp: -123 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 33,902,830 km

• M1: 31,416 km (0.119 R)
• M2: 177,124 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.7

Radius: 9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.88 AU - 0.96 AU

Year: 579 Days

Day: 11.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,902,830 km

• M1: 111,899 km (0.047 R)
• M2: 393,742 km (0.106 R)
• M3: 798,703 km (0.106 R)
• M4: 1,202,617 km (0.111 R)
• M5: 1,627,625 km (0.092 R)
• M6: 1,949,410 km (0.093 R)
• M7: 3,051,049 km (0.086 R)
• M8: 3,486,229 km (0.081 R)
• M9: 3,799,038 km (0.111 R)
• M10: 4,156,876 km (0.072 R)
• M11: 4,793,714 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.9

Radius: 11.9

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.25 AU - 2.07 AU

Year: 1403 Days

Day: 6 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,902,830 km

• M1: 147,952 km (0.12 R)
• M2: 661,223 km (0.067 R)
• M3: 1,232,836 km (0.064 R)
• M4: 1,739,823 km (0.072 R)
• M5: 2,361,702 km (0.08 R)
• M6: 3,031,900 km (0.061 R)
• M7: 3,576,735 km (0.118 R)
• M8: 4,340,283 km (0.11 R)
• M9: 4,845,026 km (0.044 R)
• M10: 5,510,438 km (0.069 R)
• M11: 6,598,762 km (0.112 R)
• M12: 7,145,393 km (0.111 R)
• M13: 8,061,380 km (0.105 R)
• M14: 9,580,098 km (0.056 R)
• M15: 10,095,612 km (0.111 R)
• M16: 10,757,882 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.8

Radius: 10

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.94 AU - 2.24 AU

Year: 1982 Days

Day: 10.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,902,830 km

• M1: 124,465 km (0.074 R)
• M2: 612,005 km (0.113 R)
• M3: 1,373,009 km (0.107 R)
• M4: 1,743,563 km (0.097 R)
• M5: 2,180,838 km (0.081 R)
• M6: 3,311,648 km (0.11 R)
• M7: 4,667,902 km (0.062 R)
• M8: 5,806,641 km (0.11 R)
• M9: 6,573,480 km (0.097 R)
• M10: 7,999,896 km (0.056 R)
• M11: 9,180,971 km (0.11 R)
• M12: 9,795,968 km (0.074 R)
• M13: 10,994,546 km (0.056 R)
• M14: 12,616,486 km (0.115 R)
• M15: 12,993,024 km (0.066 R)
• M16: 14,257,126 km (0.118 R)
• M17: 14,619,901 km (0.11 R)
• M18: 15,601,562 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.3

Radius: 14.8

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.91 AU - 4.53 AU

Year: 5687 Days

Day: 10.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 83.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,902,830 km

• M1: 184,005 km (0.084 R)
• M2: 663,317 km (0.107 R)
• M3: 1,222,663 km (0.104 R)
• M4: 1,695,093 km (0.108 R)
• M5: 2,276,431 km (0.08 R)
• M6: 2,836,525 km (0.12 R)
• M7: 3,621,465 km (0.053 R)
• M8: 7,671,678 km (0.098 R)
• M9: 10,172,954 km (0.109 R)
• M10: 10,684,729 km (0.104 R)
• M11: 11,559,427 km (0.096 R)
• M12: 13,562,543 km (0.094 R)
• M13: 14,298,265 km (0.116 R)
• M14: 16,035,695 km (0.102 R)
• M15: 17,182,811 km (0.044 R)
• M16: 17,643,274 km (0.088 R)
• M17: 18,865,787 km (0.068 R)
• M18: 19,497,689 km (0.107 R)
• M19: 20,582,573 km (0.071 R)
• M20: 21,479,113 km (0.087 R)
• M21: 24,160,954 km (0.108 R)
• M22: 25,497,461 km (0.107 R)
• M23: 29,426,500 km (0.092 R)
• M24: 32,726,629 km (0.054 R)
• M25: 34,362,033 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319

Radius: 13.7

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.3 AU - 5.92 AU

Year: 8717 Days

Day: 7.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,902,830 km

• M1: 170,392 km (0.106 R)
• M2: 716,574 km (0.092 R)
• M3: 1,824,196 km (0.109 R)
• M4: 2,529,401 km (0.102 R)
• M5: 3,043,868 km (0.103 R)
• M6: 3,650,338 km (0.093 R)
• M7: 4,138,924 km (0.082 R)
• M8: 4,777,857 km (0.112 R)
• M9: 7,098,269 km (0.051 R)
• M10: 8,726,193 km (0.118 R)
• M11: 9,519,960 km (0.102 R)
• M12: 11,641,706 km (0.085 R)
• M13: 12,708,489 km (0.101 R)
• M14: 13,292,818 km (0.105 R)
• M15: 13,950,749 km (0.053 R)
• M16: 15,391,078 km (0.056 R)
• M17: 17,247,887 km (0.11 R)
• M18: 17,832,964 km (0.116 R)
• M19: 18,364,036 km (0.115 R)
• M20: 19,042,911 km (0.096 R)
• M21: 24,030,953 km (0.073 R)
• M22: 24,843,419 km (0.097 R)
• M23: 27,041,610 km (0.102 R)
• M24: 29,458,663 km (0.117 R)
• M25: 32,900,910 km (0.054 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 14,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit