🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.42 AU - 0.62 AU

Year: 114 Days

Day: 39.8 Hours

Environment

Temp: 406 °C

Axial Tilt: 32.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,608,739 km

• M1: 35,903 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.57 AU - 0.91 AU

Year: 194 Days

Day: 42.9 Hours

Environment

Temp: 321 °C

Axial Tilt: 28.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 82,608,739 km

• M1: 170,542 km (0.043 R)
• M2: 430,243 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.9 AU - 0.98 AU

Year: 277 Days

Day: 40.4 Hours

Environment

Temp: 217 °C

Axial Tilt: 21.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 82,608,739 km

• M1: 97,239 km (0.12 R)
• M2: 193,430 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.05 AU - 1.65 AU

Year: 477 Days

Day: 19.1 Hours

Environment

Temp: 169 °C

Axial Tilt: 48.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.31 AU - 1.55 AU

Year: 520 Days

Day: 37.8 Hours

Environment

Temp: 194 °C

Axial Tilt: 17.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Terrestrial

Semi-Major Axis: 2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.83 AU - 2.17 AU

Year: 861 Days

Day: 46.1 Hours

Environment

Temp: 18 °C

Axial Tilt: 3.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 7 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.07 AU - 2.73 AU

Year: 1132 Days

Day: 19.4 Hours

Environment

Temp: -0 °C

Axial Tilt: 12.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 8 - Terrestrial

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.09 AU - 4.87 AU

Year: 2417 Days

Day: 31.6 Hours

Environment

Temp: -63 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 12.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 21.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.4

Radius: 7

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 16.73 AU - 26.67 AU

Year: 30768 Days

Day: 16.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 82,608,739 km

• M1: 89,609 km (0.101 R)
• M2: 537,505 km (0.051 R)
• M3: 604,375 km (0.099 R)
• M4: 1,648,269 km (0.092 R)
• M5: 1,850,226 km (0.064 R)
• M6: 1,919,341 km (0.034 R)
• M7: 2,241,275 km (0.116 R)
• M8: 2,580,114 km (0.119 R)
• M9: 2,657,606 km (0.119 R)
• M10: 2,934,961 km (0.086 R)
• M11: 3,263,328 km (0.11 R)
• M12: 3,517,345 km (0.108 R)
• M13: 3,733,963 km (0.092 R)
• M14: 4,456,221 km (0.081 R)
• M15: 5,417,986 km (0.119 R)
• M16: 6,128,277 km (0.093 R)
• M17: 8,085,316 km (0.033 R)
• M18: 8,199,160 km (0.099 R)
• M19: 8,602,326 km (0.098 R)
• M20: 9,548,084 km (0.103 R)
• M21: 11,344,455 km (0.109 R)
• M22: 12,117,727 km (0.095 R)
• M23: 15,588,697 km (0.106 R)
• M24: 16,591,750 km (0.098 R)
• M25: 16,664,156 km (0.06 R)
• M26: 17,394,343 km (0.056 R)
• M27: 18,135,002 km (0.025 R)
• M28: 18,659,492 km (0.098 R)
• M29: 18,885,834 km (0.119 R)
• M30: 19,037,376 km (0.118 R)
• M31: 19,493,949 km (0.076 R)
• M32: 19,570,393 km (0.095 R)
• M33: 20,418,015 km (0.073 R)
• M34: 20,495,656 km (0.073 R)
• M35: 22,548,737 km (0.109 R)
• M36: 22,870,373 km (0.109 R)
• M37: 22,951,006 km (0.045 R)
• M38: 24,501,289 km (0.105 R)
• M39: 24,749,173 km (0.067 R)
• M40: 25,330,659 km (0.101 R)
• M41: 25,832,710 km (0.115 R)
• M42: 26,846,684 km (0.083 R)
• M43: 27,017,076 km (0.101 R)
• M44: 29,877,687 km (0.119 R)
• M45: 29,965,949 km (0.087 R)
• M46: 31,209,557 km (0.09 R)
• M47: 32,017,834 km (0.071 R)
• M48: 32,560,575 km (0.065 R)
• M49: 33,471,925 km (0.113 R)
• M50: 33,655,183 km (0.105 R)
• M51: 34,206,900 km (0.05 R)
• M52: 35,506,007 km (0.08 R)
• M53: 36,067,747 km (0.081 R)
• M54: 39,886,831 km (0.05 R)
• M55: 40,373,174 km (0.105 R)
• M56: 40,861,462 km (0.104 R)
• M57: 41,155,421 km (0.109 R)
• M58: 41,253,558 km (0.062 R)
• M59: 42,536,359 km (0.1 R)
• M60: 43,232,588 km (0.06 R)
• M61: 45,242,136 km (0.061 R)
• M62: 46,156,478 km (0.086 R)
• M63: 47,590,673 km (0.109 R)
• M64: 47,693,746 km (0.1 R)
• M65: 47,900,041 km (0.118 R)
• M66: 48,003,264 km (0.119 R)
• M67: 49,247,769 km (0.102 R)
• M68: 51,768,493 km (0.05 R)
• M69: 52,511,545 km (0.088 R)
• M70: 52,724,573 km (0.084 R)
• M71: 53,472,263 km (0.099 R)
• M72: 57,043,762 km (0.058 R)
• M73: 57,153,119 km (0.102 R)
• M74: 57,921,154 km (0.11 R)
• M75: 58,913,437 km (0.096 R)
• M76: 60,134,006 km (0.068 R)
• M77: 60,356,757 km (0.068 R)
• M78: 60,579,957 km (0.108 R)
• M79: 61,138,855 km (0.037 R)
• M80: 61,362,803 km (0.087 R)
• M81: 62,487,180 km (0.074 R)
• M82: 63,165,008 km (0.037 R)
• M83: 65,442,037 km (0.112 R)
• M84: 65,900,704 km (0.111 R)
• M85: 66,015,446 km (0.064 R)
• M86: 67,745,845 km (0.07 R)
• M87: 70,193,266 km (0.075 R)
• M88: 72,195,633 km (0.113 R)
• M89: 73,501,323 km (0.11 R)
• M90: 74,934,621 km (0.119 R)
• M91: 76,015,615 km (0.1 R)
• M92: 76,497,619 km (0.048 R)
• M93: 76,618,345 km (0.086 R)
• M94: 78,923,199 km (0.094 R)
• M95: 82,484,975 km (0.054 R)

Kuiper Belt

Range: 36 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 14,734 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit