🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.01 AU - 1.57 AU

Year: 525 Days

Day: 18 Hours

Environment

Temp: 2 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 117,387,644 km

• M1: 36,352 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.6 AU - 1.66 AU

Year: 745 Days

Day: 18.5 Hours

Environment

Temp: -47 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.11 AU - 3.21 AU

Year: 2012 Days

Day: 46.8 Hours

Environment

Temp: -105 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.9

Radius: 13.1

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.31 AU - 6.39 AU

Year: 4432 Days

Day: 12.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 117,387,644 km

• M1: 162,912 km (0.075 R)
• M2: 620,233 km (0.116 R)
• M3: 1,124,527 km (0.1 R)
• M4: 1,979,180 km (0.09 R)
• M5: 2,471,058 km (0.07 R)
• M6: 2,913,119 km (0.075 R)
• M7: 6,530,097 km (0.112 R)
• M8: 7,446,832 km (0.111 R)
• M9: 7,856,132 km (0.072 R)
• M10: 8,893,145 km (0.086 R)
• M11: 11,485,825 km (0.047 R)
• M12: 12,162,606 km (0.086 R)
• M13: 12,865,716 km (0.106 R)
• M14: 15,289,052 km (0.107 R)
• M15: 15,746,373 km (0.064 R)
• M16: 16,635,134 km (0.092 R)
• M17: 17,501,904 km (0.094 R)
• M18: 18,115,105 km (0.07 R)
• M19: 19,800,774 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.5

Radius: 5.7

Gravity: 15.22 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 17.61 AU - 19.43 AU

Year: 28545 Days

Day: 17.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 117,387,644 km

• M1: 90,507 km (0.053 R)
• M2: 274,213 km (0.104 R)
• M3: 550,371 km (0.108 R)
• M4: 942,167 km (0.058 R)
• M5: 1,357,900 km (0.097 R)
• M6: 2,290,343 km (0.098 R)
• M7: 3,177,908 km (0.058 R)
• M8: 3,529,313 km (0.106 R)
• M9: 3,841,524 km (0.103 R)
• M10: 4,172,135 km (0.104 R)
• M11: 6,339,958 km (0.049 R)
• M12: 7,236,498 km (0.07 R)
• M13: 9,219,866 km (0.049 R)
• M14: 9,572,469 km (0.118 R)
• M15: 12,581,331 km (0.111 R)
• M16: 13,015,164 km (0.089 R)
• M17: 13,684,465 km (0.095 R)
• M18: 16,250,966 km (0.047 R)
• M19: 22,312,373 km (0.094 R)
• M20: 24,926,446 km (0.04 R)
• M21: 26,424,369 km (0.109 R)
• M22: 26,897,099 km (0.07 R)
• M23: 27,375,363 km (0.076 R)
• M24: 29,219,606 km (0.091 R)
• M25: 31,276,576 km (0.086 R)
• M26: 32,745,328 km (0.066 R)
• M27: 34,962,967 km (0.103 R)
• M28: 48,971,013 km (0.091 R)
• M29: 49,683,996 km (0.113 R)
• M30: 52,233,892 km (0.09 R)
• M31: 57,198,596 km (0.096 R)
• M32: 75,135,979 km (0.116 R)
• M33: 80,203,009 km (0.106 R)
• M34: 83,198,257 km (0.117 R)
• M35: 86,526,361 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998.3

Radius: 5.5

Gravity: 33 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 18.63 AU - 21.13 AU

Year: 31747 Days

Day: 23.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 117,387,644 km

• M1: 72,256 km (0.104 R)
• M2: 464,352 km (0.115 R)
• M3: 924,964 km (0.088 R)
• M4: 1,369,419 km (0.069 R)
• M5: 1,630,168 km (0.108 R)
• M6: 2,106,637 km (0.11 R)
• M7: 2,561,864 km (0.045 R)
• M8: 4,361,676 km (0.063 R)
• M9: 5,141,679 km (0.055 R)
• M10: 5,406,317 km (0.094 R)
• M11: 6,404,883 km (0.093 R)
• M12: 6,711,409 km (0.065 R)
• M13: 7,861,966 km (0.072 R)
• M14: 8,273,061 km (0.088 R)
• M15: 8,575,399 km (0.049 R)
• M16: 9,859,098 km (0.094 R)
• M17: 11,712,616 km (0.112 R)
• M18: 13,786,491 km (0.09 R)
• M19: 23,435,703 km (0.088 R)
• M20: 24,532,704 km (0.086 R)
• M21: 27,092,474 km (0.074 R)
• M22: 32,138,709 km (0.054 R)
• M23: 33,339,381 km (0.089 R)
• M24: 34,259,259 km (0.113 R)
• M25: 35,670,565 km (0.067 R)
• M26: 37,447,788 km (0.106 R)
• M27: 38,944,963 km (0.105 R)
• M28: 41,177,412 km (0.025 R)
• M29: 45,520,238 km (0.12 R)
• M30: 55,528,635 km (0.107 R)
• M31: 56,603,346 km (0.038 R)
• M32: 60,135,801 km (0.077 R)
• M33: 67,149,996 km (0.078 R)
• M34: 68,861,545 km (0.106 R)
• M35: 77,323,399 km (0.115 R)
• M36: 83,613,990 km (0.119 R)
• M37: 85,594,067 km (0.068 R)
• M38: 92,320,137 km (0.042 R)
• M39: 95,351,140 km (0.064 R)
• M40: 98,761,073 km (0.105 R)
• M41: 100,020,987 km (0.033 R)

Kuiper Belt

Range: 30.6 - 56.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 15,604 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit