🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.58 AU - 0.6 AU

Year: 173 Days

Day: 32 Hours

Environment

Temp: 176 °C

Axial Tilt: 33.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.56 AU - 0.74 AU

Year: 200 Days

Day: 46 Hours

Environment

Temp: 149 °C

Axial Tilt: 18.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 78,638,710 km

• M1: 266,284 km (0.075 R)
• M2: 346,319 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.66 AU - 0.98 AU

Year: 283 Days

Day: 38.9 Hours

Environment

Temp: 139 °C

Axial Tilt: 37.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.76 AU - 1.14 AU

Year: 353 Days

Day: 26.5 Hours

Environment

Temp: 29 °C

Axial Tilt: 38.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 78,638,710 km

• M1: 510,578 km (0.081 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.88 AU - 1.3 AU

Year: 433 Days

Day: 26.2 Hours

Environment

Temp: 13 °C

Axial Tilt: 114.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 78,638,710 km

• M1: 81,531 km (0.119 R)
• M2: 256,112 km (0.089 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.12 AU - 1.62 AU

Year: 611 Days

Day: 28.3 Hours

Environment

Temp: -50 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.8 AU - 3.04 AU

Year: 1900 Days

Day: 44.2 Hours

Environment

Temp: -103 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.83 AU - 4.03 AU

Year: 2419 Days

Day: 26.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 42.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Ice Giant

Semi-Major Axis: 12.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.5

Radius: 3.6

Gravity: 74.11 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 12.78 AU - 13.12 AU

Year: 17746 Days

Day: 19.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 78,638,710 km

• M1: 203,902 km (0.039 R)
• M2: 697,276 km (0.099 R)
• M3: 1,114,355 km (0.082 R)
• M4: 1,531,583 km (0.105 R)
• M5: 2,026,902 km (0.028 R)
• M6: 2,061,608 km (0.113 R)
• M7: 2,131,470 km (0.107 R)
• M8: 2,382,496 km (0.032 R)
• M9: 3,109,841 km (0.064 R)
• M10: 3,190,175 km (0.074 R)
• M11: 4,117,681 km (0.071 R)
• M12: 4,748,386 km (0.073 R)
• M13: 4,934,037 km (0.077 R)
• M14: 5,505,052 km (0.087 R)
• M15: 7,393,127 km (0.052 R)
• M16: 7,446,683 km (0.042 R)
• M17: 7,500,388 km (0.111 R)
• M18: 8,154,879 km (0.083 R)
• M19: 8,432,832 km (0.104 R)
• M20: 8,488,782 km (0.11 R)
• M21: 8,544,881 km (0.112 R)
• M22: 8,601,130 km (0.053 R)
• M23: 8,998,162 km (0.04 R)
• M24: 9,634,103 km (0.094 R)
• M25: 10,766,260 km (0.088 R)
• M26: 11,751,810 km (0.099 R)
• M27: 12,192,077 km (0.09 R)
• M28: 12,318,786 km (0.109 R)
• M29: 12,382,365 km (0.102 R)
• M30: 12,573,551 km (0.101 R)
• M31: 12,701,607 km (0.112 R)
• M32: 12,765,785 km (0.113 R)
• M33: 12,959,065 km (0.092 R)
• M34: 13,088,467 km (0.117 R)
• M35: 14,876,162 km (0.101 R)
• M36: 14,943,930 km (0.113 R)
• M37: 15,147,532 km (0.104 R)
• M38: 17,021,096 km (0.041 R)
• M39: 17,304,734 km (0.087 R)
• M40: 18,165,370 km (0.107 R)
• M41: 18,893,014 km (0.076 R)
• M42: 19,039,620 km (0.091 R)
• M43: 19,186,675 km (0.095 R)
• M44: 19,556,032 km (0.092 R)
• M45: 20,151,731 km (0.056 R)
• M46: 22,205,859 km (0.083 R)
• M47: 22,671,408 km (0.045 R)
• M48: 22,983,469 km (0.093 R)
• M49: 24,645,052 km (0.116 R)
• M50: 24,965,940 km (0.101 R)
• M51: 26,018,361 km (0.078 R)
• M52: 27,250,449 km (0.118 R)
• M53: 28,501,536 km (0.075 R)
• M54: 28,669,684 km (0.12 R)
• M55: 28,838,281 km (0.109 R)
• M56: 28,922,654 km (0.093 R)
• M57: 29,007,177 km (0.094 R)
• M58: 29,261,044 km (0.092 R)
• M59: 29,430,688 km (0.093 R)
• M60: 31,753,494 km (0.082 R)
• M61: 32,277,536 km (0.045 R)
• M62: 32,365,200 km (0.093 R)
• M63: 33,245,733 km (0.087 R)
• M64: 33,866,864 km (0.109 R)
• M65: 34,671,102 km (0.047 R)
• M66: 35,391,266 km (0.117 R)
• M67: 36,116,367 km (0.069 R)
• M68: 38,692,292 km (0.095 R)
• M69: 38,971,741 km (0.094 R)
• M70: 39,158,439 km (0.053 R)
• M71: 40,002,321 km (0.086 R)
• M72: 44,115,664 km (0.067 R)
• M73: 45,287,464 km (0.116 R)
• M74: 45,582,022 km (0.087 R)
• M75: 46,667,355 km (0.063 R)
• M76: 50,889,007 km (0.091 R)
• M77: 50,991,033 km (0.054 R)
• M78: 51,911,957 km (0.06 R)
• M79: 53,562,919 km (0.115 R)
• M80: 54,916,780 km (0.077 R)
• M81: 56,071,227 km (0.106 R)
• M82: 62,289,113 km (0.076 R)
• M83: 63,163,662 km (0.105 R)
• M84: 64,483,265 km (0.117 R)
• M85: 65,257,134 km (0.115 R)
• M86: 65,811,843 km (0.101 R)
• M87: 66,034,146 km (0.114 R)
• M88: 67,037,648 km (0.097 R)
• M89: 67,261,297 km (0.102 R)
• M90: 67,485,245 km (0.067 R)
• M91: 72,933,450 km (0.079 R)
• M92: 74,317,380 km (0.087 R)
• M93: 74,664,746 km (0.044 R)
• M94: 75,128,649 km (0.115 R)
• M95: 75,360,975 km (0.076 R)
• M96: 76,409,506 km (0.079 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 13,185 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit