🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.4 AU - 0.62 AU

Year: 133 Days

Day: 27.6 Hours

Environment

Temp: 178 °C

Axial Tilt: 15.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 74,106,615 km

• M1: 48,021 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.43 AU - 0.69 AU

Year: 153 Days

Day: 17.4 Hours

Environment

Temp: 201 °C

Axial Tilt: 9.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.61 AU - 0.75 AU

Year: 205 Days

Day: 40.4 Hours

Environment

Temp: 196 °C

Axial Tilt: 31.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.62 AU - 2.12 AU

Year: 934 Days

Day: 38.1 Hours

Environment

Temp: -70 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 74,106,615 km

• M1: 47,423 km (0.082 R)
• M2: 155,283 km (0.06 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.74 AU - 4.82 AU

Year: 3234 Days

Day: 21.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.24 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.6

Radius: 8.9

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.2 AU - 10.18 AU

Year: 8561 Days

Day: 11.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,106,615 km

• M1: 110,702 km (0.042 R)
• M2: 451,337 km (0.067 R)
• M3: 850,613 km (0.057 R)
• M4: 1,874,611 km (0.09 R)
• M5: 2,447,421 km (0.093 R)
• M6: 3,689,083 km (0.053 R)
• M7: 5,120,885 km (0.119 R)
• M8: 5,627,872 km (0.074 R)
• M9: 6,343,698 km (0.091 R)
• M10: 7,157,361 km (0.104 R)
• M11: 8,038,941 km (0.057 R)
• M12: 8,505,985 km (0.083 R)
• M13: 9,355,252 km (0.062 R)
• M14: 10,016,475 km (0.067 R)
• M15: 10,963,280 km (0.078 R)
• M16: 11,805,815 km (0.113 R)
• M17: 12,521,641 km (0.108 R)
• M18: 13,918,885 km (0.114 R)
• M19: 14,222,569 km (0.113 R)
• M20: 15,096,520 km (0.106 R)
• M21: 17,648,809 km (0.11 R)
• M22: 17,933,344 km (0.111 R)
• M23: 20,319,879 km (0.119 R)
• M24: 22,994,988 km (0.06 R)
• M25: 24,285,120 km (0.086 R)
• M26: 26,915,200 km (0.091 R)
• M27: 27,197,790 km (0.092 R)
• M28: 29,529,423 km (0.107 R)
• M29: 34,144,517 km (0.104 R)
• M30: 36,049,347 km (0.08 R)
• M31: 42,696,579 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.5

Radius: 10.2

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.17 AU - 10.67 AU

Year: 9731 Days

Day: 9.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,106,615 km

• M1: 128,355 km (0.093 R)
• M2: 600,635 km (0.08 R)
• M3: 1,004,251 km (0.11 R)
• M4: 2,054,577 km (0.084 R)
• M5: 2,372,473 km (0.025 R)
• M6: 2,841,462 km (0.119 R)
• M7: 3,260,635 km (0.107 R)
• M8: 3,578,381 km (0.114 R)
• M9: 4,492,274 km (0.085 R)
• M10: 5,213,635 km (0.049 R)
• M11: 6,776,933 km (0.099 R)
• M12: 7,146,290 km (0.063 R)
• M13: 7,885,304 km (0.078 R)
• M14: 8,546,377 km (0.092 R)
• M15: 8,978,116 km (0.098 R)
• M16: 12,694,726 km (0.099 R)
• M17: 13,030,423 km (0.111 R)
• M18: 13,777,964 km (0.106 R)
• M19: 16,127,548 km (0.083 R)
• M20: 17,672,894 km (0.084 R)
• M21: 22,326,734 km (0.098 R)
• M22: 24,072,093 km (0.057 R)
• M23: 24,934,375 km (0.104 R)
• M24: 30,049,126 km (0.026 R)
• M25: 30,846,931 km (0.116 R)
• M26: 35,933,857 km (0.104 R)
• M27: 38,558,402 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.3

Radius: 4.5

Gravity: 13.99 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 15.27 AU - 22.43 AU

Year: 29892 Days

Day: 16.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,106,615 km

• M1: 57,446 km (0.098 R)
• M2: 1,092,513 km (0.106 R)
• M3: 1,862,045 km (0.113 R)
• M4: 3,340,969 km (0.12 R)
• M5: 4,689,295 km (0.089 R)
• M6: 4,902,621 km (0.1 R)
• M7: 5,085,280 km (0.087 R)
• M8: 6,026,101 km (0.076 R)
• M9: 21,734,626 km (0.103 R)
• M10: 23,961,689 km (0.067 R)
• M11: 36,014,042 km (0.079 R)
• M12: 37,969,884 km (0.041 R)
• M13: 46,502,199 km (0.116 R)
• M14: 47,650,961 km (0.115 R)
• M15: 49,494,156 km (0.116 R)
• M16: 50,691,687 km (0.061 R)
• M17: 53,322,366 km (0.112 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 10,575 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit