🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.71 AU - 0.77 AU

Year: 237 Days

Day: 30.1 Hours

Environment

Temp: 180 °C

Axial Tilt: 13.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.75 AU - 1.03 AU

Year: 313 Days

Day: 43.2 Hours

Environment

Temp: 30 °C

Axial Tilt: 29.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 105,982,103 km

• M1: 351,405 km (0.052 R)
• M2: 553,063 km (0.062 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.13 AU - 1.77 AU

Year: 651 Days

Day: 39.3 Hours

Environment

Temp: -46 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.65 AU - 1.99 AU

Year: 915 Days

Day: 23.6 Hours

Environment

Temp: -60 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,982,103 km

• M1: 33,809 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740

Radius: 5.1

Gravity: 28.45 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 18.83 AU - 19.79 AU

Year: 31632 Days

Day: 19.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 105,982,103 km

• M1: 112,647 km (0.086 R)
• M2: 202,705 km (0.117 R)
• M3: 363,074 km (0.043 R)
• M4: 1,429,557 km (0.064 R)
• M5: 1,504,805 km (0.115 R)
• M6: 1,542,952 km (0.103 R)
• M7: 2,067,293 km (0.108 R)
• M8: 2,152,564 km (0.104 R)
• M9: 2,596,121 km (0.089 R)
• M10: 2,971,014 km (0.07 R)
• M11: 3,213,961 km (0.034 R)
• M12: 3,312,845 km (0.077 R)
• M13: 3,463,191 km (0.053 R)
• M14: 4,521,596 km (0.065 R)
• M15: 5,731,094 km (0.028 R)
• M16: 6,094,019 km (0.074 R)
• M17: 7,422,149 km (0.076 R)
• M18: 7,487,523 km (0.11 R)
• M19: 8,974,376 km (0.101 R)
• M20: 9,184,112 km (0.088 R)
• M21: 10,549,043 km (0.118 R)
• M22: 10,622,646 km (0.118 R)
• M23: 11,367,793 km (0.061 R)
• M24: 12,672,884 km (0.098 R)
• M25: 12,908,052 km (0.117 R)
• M26: 13,223,853 km (0.114 R)
• M27: 13,542,347 km (0.051 R)
• M28: 13,943,868 km (0.118 R)
• M29: 15,254,794 km (0.07 R)
• M30: 15,672,621 km (0.102 R)
• M31: 16,263,682 km (0.097 R)
• M32: 16,519,195 km (0.113 R)
• M33: 17,729,292 km (0.034 R)
• M34: 18,433,599 km (0.08 R)
• M35: 19,146,882 km (0.035 R)
• M36: 19,687,828 km (0.066 R)
• M37: 21,526,984 km (0.083 R)
• M38: 21,807,480 km (0.114 R)
• M39: 22,751,443 km (0.091 R)
• M40: 25,761,352 km (0.075 R)
• M41: 26,758,571 km (0.087 R)
• M42: 27,362,947 km (0.114 R)
• M43: 28,175,861 km (0.113 R)
• M44: 28,790,709 km (0.108 R)
• M45: 31,824,105 km (0.111 R)
• M46: 33,324,422 km (0.075 R)
• M47: 34,083,182 km (0.12 R)
• M48: 34,738,122 km (0.071 R)
• M49: 35,067,087 km (0.106 R)
• M50: 35,397,250 km (0.095 R)
• M51: 37,399,019 km (0.097 R)
• M52: 38,526,987 km (0.079 R)
• M53: 39,323,147 km (0.074 R)
• M54: 39,666,025 km (0.066 R)
• M55: 39,780,467 km (0.034 R)
• M56: 41,511,464 km (0.113 R)
• M57: 42,093,849 km (0.107 R)
• M58: 43,384,579 km (0.068 R)
• M59: 43,975,640 km (0.083 R)
• M60: 47,212,789 km (0.118 R)
• M61: 48,921,196 km (0.066 R)
• M62: 49,783,030 km (0.086 R)
• M63: 51,272,127 km (0.072 R)
• M64: 52,272,937 km (0.084 R)
• M65: 53,659,559 km (0.081 R)
• M66: 54,293,854 km (0.099 R)
• M67: 54,421,013 km (0.109 R)
• M68: 57,631,832 km (0.083 R)
• M69: 65,313,383 km (0.096 R)
• M70: 66,397,818 km (0.111 R)
• M71: 69,824,956 km (0.111 R)
• M72: 70,378,617 km (0.109 R)
• M73: 70,794,948 km (0.072 R)
• M74: 74,436,011 km (0.095 R)
• M75: 77,994,196 km (0.066 R)
• M76: 78,712,416 km (0.067 R)
• M77: 83,214,264 km (0.114 R)
• M78: 83,801,286 km (0.096 R)
• M79: 86,162,689 km (0.084 R)
• M80: 86,905,143 km (0.1 R)
• M81: 88,097,588 km (0.095 R)
• M82: 88,396,484 km (0.093 R)
• M83: 89,295,268 km (0.067 R)
• M84: 90,046,549 km (0.102 R)
• M85: 90,498,334 km (0.117 R)
• M86: 92,768,632 km (0.063 R)
• M87: 93,834,516 km (0.078 R)
• M88: 94,904,440 km (0.057 R)
• M89: 96,902,170 km (0.104 R)
• M90: 97,056,406 km (0.099 R)
• M91: 97,519,561 km (0.076 R)
• M92: 98,293,281 km (0.098 R)
• M93: 98,603,248 km (0.074 R)
• M94: 98,913,663 km (0.075 R)
• M95: 105,030,271 km (0.101 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 15,666 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit