🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.55 AU - 0.91 AU

Year: 229 Days

Day: 33 Hours

Environment

Temp: 140 °C

Axial Tilt: 9.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 63,314,504 km

• M1: 20,495 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.84 AU - 1.18 AU

Year: 373 Days

Day: 33.1 Hours

Environment

Temp: 37 °C

Axial Tilt: 33.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.5 AU - 2.04 AU

Year: 864 Days

Day: 27.4 Hours

Environment

Temp: -62 °C

Axial Tilt: 46.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.67 AU - 4.31 AU

Year: 2926 Days

Day: 30.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,314,504 km

• M1: 125,363 km (0.109 R)

Asteroid Belt

Center: 4.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.4

Radius: 8.9

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.15 AU - 5.93 AU

Year: 4787 Days

Day: 13.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,314,504 km

• M1: 110,702 km (0.053 R)
• M2: 421,716 km (0.103 R)
• M3: 722,857 km (0.094 R)
• M4: 1,128,417 km (0.105 R)
• M5: 1,718,730 km (0.11 R)
• M6: 2,070,584 km (0.118 R)
• M7: 3,465,435 km (0.114 R)
• M8: 3,836,288 km (0.11 R)
• M9: 4,210,731 km (0.114 R)
• M10: 4,906,062 km (0.1 R)
• M11: 5,189,101 km (0.1 R)
• M12: 5,930,508 km (0.054 R)
• M13: 6,252,144 km (0.104 R)
• M14: 7,454,163 km (0.102 R)
• M15: 12,493,666 km (0.047 R)
• M16: 13,121,528 km (0.096 R)
• M17: 13,821,048 km (0.074 R)
• M18: 18,674,751 km (0.07 R)
• M19: 19,113,671 km (0.051 R)
• M20: 19,817,529 km (0.112 R)
• M21: 20,143,054 km (0.115 R)
• M22: 23,890,182 km (0.12 R)
• M23: 24,781,785 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.9

Radius: 15

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.76 AU - 7.86 AU

Year: 7255 Days

Day: 5.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,314,504 km

• M1: 186,997 km (0.119 R)
• M2: 674,986 km (0.059 R)
• M3: 1,147,864 km (0.085 R)
• M4: 1,719,777 km (0.08 R)
• M5: 2,200,136 km (0.067 R)
• M6: 3,248,967 km (0.105 R)
• M7: 3,948,037 km (0.044 R)
• M8: 4,801,194 km (0.071 R)
• M9: 5,588,228 km (0.091 R)
• M10: 6,258,726 km (0.049 R)
• M11: 7,916,570 km (0.067 R)
• M12: 12,936,027 km (0.101 R)
• M13: 15,544,416 km (0.113 R)
• M14: 16,874,640 km (0.043 R)
• M15: 17,601,087 km (0.074 R)
• M16: 19,258,482 km (0.05 R)
• M17: 20,792,309 km (0.057 R)
• M18: 28,390,684 km (0.071 R)
• M19: 31,056,967 km (0.075 R)
• M20: 33,886,311 km (0.083 R)
• M21: 35,363,441 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.4

Radius: 3.3

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 12.68 AU - 17.08 AU

Year: 21071 Days

Day: 18.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,314,504 km

• M1: 41,588 km (0.107 R)
• M2: 312,809 km (0.084 R)
• M3: 868,715 km (0.116 R)
• M4: 2,996,595 km (0.08 R)
• M5: 5,211,840 km (0.078 R)
• M6: 10,886,686 km (0.081 R)
• M7: 11,876,126 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292

Radius: 5.5

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 15.24 AU - 16.54 AU

Year: 23252 Days

Day: 15.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,314,504 km

• M1: 68,815 km (0.118 R)
• M2: 395,836 km (0.029 R)
• M3: 581,936 km (0.03 R)
• M4: 1,708,707 km (0.108 R)
• M5: 4,923,565 km (0.115 R)
• M6: 6,065,296 km (0.063 R)
• M7: 7,418,558 km (0.084 R)
• M8: 10,138,397 km (0.111 R)
• M9: 16,262,485 km (0.069 R)
• M10: 21,300,194 km (0.094 R)
• M11: 23,773,346 km (0.06 R)
• M12: 26,010,133 km (0.091 R)
• M13: 28,272,651 km (0.093 R)
• M14: 34,180,421 km (0.119 R)
• M15: 36,231,707 km (0.07 R)
• M16: 36,889,189 km (0.109 R)
• M17: 44,205,572 km (0.087 R)
• M18: 48,837,122 km (0.088 R)
• M19: 49,317,332 km (0.065 R)
• M20: 53,952,322 km (0.093 R)
• M21: 54,465,443 km (0.107 R)
• M22: 62,182,898 km (0.118 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 11,075 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit