🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.55 AU - 0.65 AU

Year: 167 Days

Day: 31.7 Hours

Environment

Temp: 188 °C

Axial Tilt: 20.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.64 AU - 0.8 AU

Year: 220 Days

Day: 28.2 Hours

Environment

Temp: 210 °C

Axial Tilt: 28.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.91 AU - 1.49 AU

Year: 473 Days

Day: 37.3 Hours

Environment

Temp: 5 °C

Axial Tilt: 38.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 68,902,448 km

• M1: 407,505 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.25 AU - 1.35 AU

Year: 533 Days

Day: 36.2 Hours

Environment

Temp: 7 °C

Axial Tilt: 26.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.84 AU - 2.14 AU

Year: 1010 Days

Day: 48 Hours

Environment

Temp: -54 °C

Axial Tilt: 44.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.11 AU - 3.33 AU

Year: 1614 Days

Day: 42.7 Hours

Environment

Temp: -80 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.43 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 16.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.9

Radius: 3.9

Gravity: 43.25 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 15.61 AU - 16.65 AU

Year: 23314 Days

Day: 19.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,902,448 km

• M1: 48,470 km (0.12 R)
• M2: 243,994 km (0.107 R)
• M3: 415,134 km (0.055 R)
• M4: 566,228 km (0.108 R)
• M5: 1,020,557 km (0.06 R)
• M6: 1,183,020 km (0.072 R)
• M7: 1,684,173 km (0.072 R)
• M8: 1,814,772 km (0.119 R)
• M9: 2,383,244 km (0.074 R)
• M10: 3,035,042 km (0.115 R)
• M11: 3,257,494 km (0.101 R)
• M12: 3,431,476 km (0.099 R)
• M13: 4,978,168 km (0.05 R)
• M14: 6,748,360 km (0.115 R)
• M15: 7,175,911 km (0.064 R)
• M16: 8,621,624 km (0.057 R)
• M17: 10,436,396 km (0.116 R)
• M18: 10,687,721 km (0.117 R)
• M19: 11,733,559 km (0.112 R)
• M20: 12,281,088 km (0.072 R)
• M21: 13,501,208 km (0.067 R)
• M22: 19,950,372 km (0.099 R)
• M23: 22,660,786 km (0.036 R)
• M24: 23,082,054 km (0.112 R)
• M25: 31,586,543 km (0.117 R)
• M26: 33,860,730 km (0.104 R)
• M27: 39,485,311 km (0.064 R)
• M28: 42,279,051 km (0.043 R)
• M29: 43,724,166 km (0.106 R)
• M30: 48,083,000 km (0.12 R)
• M31: 48,953,210 km (0.086 R)
• M32: 50,904,415 km (0.084 R)
• M33: 51,626,674 km (0.115 R)
• M34: 60,429,162 km (0.089 R)
• M35: 60,630,820 km (0.12 R)
• M36: 67,977,272 km (0.041 R)
• M37: 73,803,062 km (0.114 R)
• M38: 78,744,579 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.8

Radius: 3.6

Gravity: 23.9 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 14 AU - 20.36 AU

Year: 25628 Days

Day: 21.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,902,448 km

• M1: 44,879 km (0.06 R)
• M2: 166,802 km (0.088 R)
• M3: 337,493 km (0.119 R)
• M4: 509,680 km (0.066 R)
• M5: 915,838 km (0.086 R)
• M6: 1,200,074 km (0.074 R)
• M7: 2,096,165 km (0.113 R)
• M8: 2,365,142 km (0.031 R)
• M9: 2,703,682 km (0.051 R)
• M10: 3,125,399 km (0.119 R)
• M11: 3,476,355 km (0.089 R)
• M12: 4,518,155 km (0.118 R)
• M13: 5,073,761 km (0.093 R)
• M14: 5,293,521 km (0.086 R)
• M15: 6,530,845 km (0.048 R)
• M16: 9,615,403 km (0.116 R)
• M17: 12,202,250 km (0.1 R)
• M18: 13,203,658 km (0.078 R)
• M19: 14,331,027 km (0.088 R)
• M20: 15,520,929 km (0.093 R)
• M21: 18,867,732 km (0.096 R)
• M22: 22,665,125 km (0.105 R)
• M23: 25,745,794 km (0.112 R)
• M24: 26,393,702 km (0.105 R)
• M25: 27,609,633 km (0.092 R)
• M26: 30,510,935 km (0.093 R)
• M27: 30,872,213 km (0.093 R)
• M28: 40,856,974 km (0.09 R)
• M29: 42,931,747 km (0.086 R)
• M30: 47,773,781 km (0.095 R)
• M31: 49,741,741 km (0.076 R)
• M32: 57,236,893 km (0.076 R)
• M33: 59,642,726 km (0.118 R)

Kuiper Belt

Range: 30.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 12,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit