🌌 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: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.58 AU - 0.88 AU

Year: 234 Days

Day: 26.2 Hours

Environment

Temp: 103 °C

Axial Tilt: 112.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 63,734,847 km

• M1: 138,827 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.09 AU - 1.59 AU

Year: 581 Days

Day: 44.6 Hours

Environment

Temp: -23 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,734,847 km

• M1: 652,097 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.22 AU - 1.52 AU

Year: 601 Days

Day: 26.4 Hours

Environment

Temp: -36 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,734,847 km

• M1: 117,135 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.45 AU - 1.65 AU

Year: 723 Days

Day: 18.6 Hours

Environment

Temp: -51 °C

Axial Tilt: 140 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.67 AU - 2.09 AU

Year: 966 Days

Day: 39.8 Hours

Environment

Temp: -75 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.83 AU - 3.13 AU

Year: 1928 Days

Day: 23.2 Hours

Environment

Temp: -102 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,734,847 km

• M1: 792,869 km (0.065 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.98 AU - 3.76 AU

Year: 2318 Days

Day: 42.8 Hours

Environment

Temp: -116 °C

Axial Tilt: 43.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,734,847 km

• M1: 300,542 km (0.096 R)

Asteroid Belt

Center: 8.57 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 13.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.2

Radius: 4.6

Gravity: 20.76 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 12.3 AU - 15.24 AU

Year: 19148 Days

Day: 18.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 63,734,847 km

• M1: 62,831 km (0.097 R)
• M2: 456,423 km (0.109 R)
• M3: 665,112 km (0.096 R)
• M4: 1,236,576 km (0.085 R)
• M5: 1,365,081 km (0.089 R)
• M6: 1,921,734 km (0.039 R)
• M7: 2,131,620 km (0.077 R)
• M8: 2,443,980 km (0.047 R)
• M9: 3,145,894 km (0.064 R)
• M10: 3,250,911 km (0.107 R)
• M11: 4,209,235 km (0.078 R)
• M12: 4,879,583 km (0.065 R)
• M13: 4,920,124 km (0.112 R)
• M14: 5,165,315 km (0.053 R)
• M15: 5,498,320 km (0.107 R)
• M16: 5,667,515 km (0.094 R)
• M17: 5,924,375 km (0.111 R)
• M18: 7,265,071 km (0.082 R)
• M19: 7,732,116 km (0.06 R)
• M20: 8,305,225 km (0.101 R)
• M21: 8,842,431 km (0.098 R)
• M22: 8,891,798 km (0.102 R)
• M23: 10,468,261 km (0.113 R)
• M24: 10,941,887 km (0.08 R)
• M25: 11,530,106 km (0.091 R)
• M26: 11,855,332 km (0.116 R)
• M27: 12,238,452 km (0.085 R)
• M28: 12,793,012 km (0.068 R)
• M29: 13,242,404 km (0.049 R)
• M30: 16,106,156 km (0.107 R)
• M31: 16,713,224 km (0.107 R)
• M32: 16,958,265 km (0.081 R)
• M33: 18,075,013 km (0.06 R)
• M34: 18,326,487 km (0.112 R)
• M35: 19,407,781 km (0.113 R)
• M36: 19,923,744 km (0.034 R)
• M37: 20,183,446 km (0.095 R)
• M38: 20,378,970 km (0.083 R)
• M39: 20,509,718 km (0.101 R)
• M40: 20,837,637 km (0.083 R)
• M41: 21,167,351 km (0.057 R)
• M42: 21,365,867 km (0.111 R)
• M43: 21,764,994 km (0.12 R)
• M44: 24,905,652 km (0.11 R)
• M45: 24,975,514 km (0.116 R)
• M46: 25,255,412 km (0.086 R)
• M47: 25,466,046 km (0.045 R)
• M48: 26,172,596 km (0.119 R)
• M49: 26,885,430 km (0.041 R)
• M50: 27,388,229 km (0.08 R)
• M51: 27,676,952 km (0.06 R)
• M52: 28,111,833 km (0.113 R)
• M53: 28,695,265 km (0.118 R)
• M54: 28,768,568 km (0.048 R)
• M55: 31,445,173 km (0.045 R)
• M56: 31,974,899 km (0.084 R)
• M57: 32,202,737 km (0.085 R)
• M58: 32,431,173 km (0.106 R)
• M59: 32,889,690 km (0.115 R)
• M60: 33,890,350 km (0.049 R)
• M61: 34,822,944 km (0.109 R)
• M62: 35,527,849 km (0.114 R)
• M63: 36,158,553 km (0.074 R)
• M64: 37,911,541 km (0.118 R)
• M65: 41,251,762 km (0.116 R)
• M66: 43,082,392 km (0.066 R)
• M67: 43,754,684 km (0.074 R)
• M68: 44,092,177 km (0.112 R)
• M69: 44,684,734 km (0.025 R)
• M70: 45,621,217 km (0.103 R)
• M71: 45,963,347 km (0.099 R)
• M72: 46,392,244 km (0.111 R)
• M73: 48,295,129 km (0.059 R)
• M74: 48,382,195 km (0.038 R)
• M75: 48,469,411 km (0.113 R)
• M76: 49,168,482 km (0.09 R)
• M77: 49,870,844 km (0.1 R)
• M78: 51,374,452 km (0.065 R)
• M79: 51,641,335 km (0.082 R)
• M80: 51,730,495 km (0.1 R)
• M81: 54,607,412 km (0.095 R)
• M82: 55,061,591 km (0.069 R)
• M83: 55,882,434 km (0.089 R)
• M84: 55,973,838 km (0.092 R)
• M85: 56,340,054 km (0.097 R)
• M86: 58,554,402 km (0.094 R)
• M87: 58,740,202 km (0.07 R)
• M88: 59,298,801 km (0.077 R)
• M89: 59,578,698 km (0.104 R)
• M90: 62,307,513 km (0.029 R)
• M91: 62,497,203 km (0.114 R)
• M92: 63,257,908 km (0.088 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 18,813 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit