🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.82 AU - 1.04 AU

Year: 280 Days

Day: 34.2 Hours

Environment

Temp: 165 °C

Axial Tilt: 20.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,384,324 km

• M1: 35,754 km (0.066 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.99 AU - 1.03 AU

Year: 317 Days

Day: 45.6 Hours

Environment

Temp: 200 °C

Axial Tilt: 3.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,384,324 km

• M1: 75,098 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.21 AU - 2.31 AU

Year: 1060 Days

Day: 19.3 Hours

Environment

Temp: -3 °C

Axial Tilt: 28.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.2 AU - 3.56 AU

Year: 1525 Days

Day: 39.2 Hours

Environment

Temp: -46 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.52 AU - 5.4 AU

Year: 2939 Days

Day: 24.6 Hours

Environment

Temp: -86 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.17 AU - 5.73 AU

Year: 3970 Days

Day: 43.9 Hours

Environment

Temp: -106 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.02 AU - 9.62 AU

Year: 6824 Days

Day: 20.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,384,324 km

• M1: 722,857 km (0.062 R)
• M2: 1,308,233 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.4

Radius: 14.4

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.79 AU - 10.99 AU

Year: 10451 Days

Day: 6.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 50,384,324 km

• M1: 214,972 km (0.09 R)
• M2: 626,815 km (0.086 R)
• M3: 723,605 km (0.114 R)
• M4: 1,011,132 km (0.108 R)
• M5: 1,251,835 km (0.108 R)
• M6: 1,790,537 km (0.044 R)
• M7: 2,893,971 km (0.087 R)
• M8: 3,272,453 km (0.029 R)
• M9: 3,422,350 km (0.093 R)
• M10: 4,239,005 km (0.11 R)
• M11: 4,568,869 km (0.072 R)
• M12: 4,669,548 km (0.056 R)
• M13: 4,804,934 km (0.097 R)
• M14: 4,907,409 km (0.054 R)
• M15: 6,454,699 km (0.105 R)
• M16: 6,643,941 km (0.028 R)
• M17: 7,144,495 km (0.078 R)
• M18: 8,060,184 km (0.057 R)
• M19: 8,677,424 km (0.041 R)
• M20: 8,886,562 km (0.109 R)
• M21: 9,224,654 km (0.079 R)
• M22: 9,653,251 km (0.083 R)
• M23: 10,220,377 km (0.1 R)
• M24: 10,663,935 km (0.044 R)
• M25: 11,341,314 km (0.116 R)
• M26: 11,846,805 km (0.116 R)
• M27: 13,407,560 km (0.096 R)
• M28: 14,089,277 km (0.083 R)
• M29: 14,236,781 km (0.117 R)
• M30: 14,335,515 km (0.092 R)
• M31: 14,583,100 km (0.099 R)
• M32: 15,537,085 km (0.06 R)
• M33: 17,031,718 km (0.112 R)
• M34: 17,505,045 km (0.072 R)
• M35: 18,625,982 km (0.097 R)
• M36: 19,440,991 km (0.029 R)
• M37: 19,660,302 km (0.037 R)
• M38: 21,049,468 km (0.101 R)
• M39: 21,331,160 km (0.102 R)
• M40: 22,527,794 km (0.112 R)
• M41: 23,395,761 km (0.096 R)
• M42: 23,687,626 km (0.113 R)
• M43: 23,804,612 km (0.047 R)
• M44: 24,570,253 km (0.1 R)
• M45: 25,104,916 km (0.09 R)
• M46: 25,523,491 km (0.109 R)
• M47: 26,549,733 km (0.055 R)
• M48: 26,793,128 km (0.066 R)
• M49: 27,159,643 km (0.077 R)
• M50: 27,897,759 km (0.12 R)
• M51: 28,021,327 km (0.091 R)
• M52: 28,580,075 km (0.051 R)
• M53: 30,024,592 km (0.041 R)
• M54: 30,405,318 km (0.071 R)
• M55: 30,659,934 km (0.092 R)
• M56: 32,203,186 km (0.103 R)
• M57: 32,657,963 km (0.058 R)
• M58: 33,245,883 km (0.05 R)
• M59: 33,574,101 km (0.092 R)
• M60: 36,440,396 km (0.084 R)
• M61: 36,575,632 km (0.112 R)
• M62: 37,118,074 km (0.084 R)
• M63: 37,322,275 km (0.099 R)
• M64: 38,074,004 km (0.037 R)
• M65: 38,554,962 km (0.09 R)
• M66: 40,498,986 km (0.103 R)
• M67: 41,694,871 km (0.066 R)
• M68: 42,261,548 km (0.062 R)
• M69: 42,403,666 km (0.07 R)
• M70: 43,833,373 km (0.068 R)
• M71: 44,698,647 km (0.097 R)
• M72: 45,206,083 km (0.081 R)
• M73: 46,007,329 km (0.11 R)
• M74: 47,107,472 km (0.106 R)
• M75: 48,216,291 km (0.106 R)
• M76: 48,364,842 km (0.069 R)

Kuiper Belt

Range: 35.1 - 63.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 15,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit