🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.52 AU - 0.84 AU

Year: 200 Days

Day: 46.2 Hours

Environment

Temp: 193 °C

Axial Tilt: 21.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,092,449 km

• M1: 88,712 km (0.069 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.6 AU - 0.98 AU

Year: 250 Days

Day: 37.2 Hours

Environment

Temp: 130 °C

Axial Tilt: 6.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.99 AU - 1.49 AU

Year: 492 Days

Day: 35.9 Hours

Environment

Temp: 18 °C

Axial Tilt: 32.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 75,092,449 km

• M1: 373,845 km (0.075 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.34 AU - 1.76 AU

Year: 688 Days

Day: 16.7 Hours

Environment

Temp: -40 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.67 AU - 2.77 AU

Year: 1179 Days

Day: 30.5 Hours

Environment

Temp: -75 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.39 AU - 5.25 AU

Year: 3772 Days

Day: 18.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 19.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.6

Radius: 3.8

Gravity: 20.12 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 18.1 AU - 20.41 AU

Year: 30105 Days

Day: 20 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 75,092,449 km

• M1: 82,129 km (0.096 R)
• M2: 343,926 km (0.111 R)
• M3: 437,275 km (0.061 R)
• M4: 476,768 km (0.099 R)
• M5: 787,633 km (0.095 R)
• M6: 1,466,957 km (0.098 R)
• M7: 1,713,644 km (0.07 R)
• M8: 2,349,584 km (0.046 R)
• M9: 2,528,054 km (0.117 R)
• M10: 3,089,196 km (0.089 R)
• M11: 3,687,288 km (0.118 R)
• M12: 3,769,717 km (0.076 R)
• M13: 4,276,854 km (0.055 R)
• M14: 4,363,471 km (0.095 R)
• M15: 4,450,686 km (0.06 R)
• M16: 5,683,074 km (0.107 R)
• M17: 6,809,845 km (0.095 R)
• M18: 7,476,453 km (0.099 R)
• M19: 7,580,872 km (0.117 R)
• M20: 7,738,399 km (0.102 R)
• M21: 8,433,281 km (0.115 R)
• M22: 8,596,492 km (0.114 R)
• M23: 10,169,065 km (0.026 R)
• M24: 10,458,986 km (0.081 R)
• M25: 11,405,192 km (0.094 R)
• M26: 12,563,828 km (0.058 R)
• M27: 12,937,523 km (0.057 R)
• M28: 14,598,209 km (0.089 R)
• M29: 15,320,767 km (0.058 R)
• M30: 17,557,105 km (0.098 R)
• M31: 17,626,369 km (0.089 R)
• M32: 19,246,364 km (0.086 R)
• M33: 19,676,758 km (0.045 R)
• M34: 20,110,292 km (0.094 R)
• M35: 20,546,819 km (0.111 R)
• M36: 20,693,125 km (0.105 R)
• M37: 20,839,731 km (0.052 R)
• M38: 21,577,847 km (0.112 R)
• M39: 22,852,272 km (0.111 R)
• M40: 23,766,464 km (0.104 R)
• M41: 24,614,834 km (0.108 R)
• M42: 24,692,475 km (0.119 R)
• M43: 24,770,266 km (0.084 R)
• M44: 24,925,848 km (0.113 R)
• M45: 25,394,837 km (0.086 R)
• M46: 25,551,765 km (0.085 R)
• M47: 25,708,992 km (0.077 R)
• M48: 26,024,494 km (0.105 R)
• M49: 26,341,343 km (0.078 R)
• M50: 27,058,814 km (0.043 R)
• M51: 27,460,036 km (0.079 R)
• M52: 27,540,669 km (0.079 R)
• M53: 27,701,935 km (0.048 R)
• M54: 27,944,284 km (0.112 R)
• M55: 31,411,962 km (0.098 R)
• M56: 31,664,783 km (0.117 R)
• M57: 35,187,065 km (0.051 R)
• M58: 36,152,869 km (0.086 R)
• M59: 36,683,492 km (0.094 R)
• M60: 36,772,054 km (0.087 R)
• M61: 39,920,192 km (0.115 R)
• M62: 40,011,446 km (0.09 R)
• M63: 41,387,897 km (0.067 R)
• M64: 41,664,952 km (0.053 R)
• M65: 42,035,506 km (0.118 R)
• M66: 42,407,107 km (0.035 R)
• M67: 43,622,141 km (0.099 R)
• M68: 43,904,282 km (0.062 R)
• M69: 45,228,373 km (0.088 R)
• M70: 46,373,844 km (0.099 R)
• M71: 46,757,712 km (0.114 R)
• M72: 46,853,904 km (0.103 R)
• M73: 48,498,433 km (0.12 R)
• M74: 52,441,683 km (0.109 R)
• M75: 52,941,789 km (0.086 R)
• M76: 55,059,347 km (0.079 R)
• M77: 55,669,556 km (0.073 R)
• M78: 56,486,510 km (0.072 R)
• M79: 57,204,580 km (0.118 R)
• M80: 57,410,277 km (0.034 R)
• M81: 59,793,820 km (0.056 R)
• M82: 64,121,986 km (0.046 R)
• M83: 64,978,134 km (0.116 R)
• M84: 65,192,807 km (0.09 R)
• M85: 65,515,191 km (0.03 R)
• M86: 67,460,861 km (0.091 R)
• M87: 68,549,933 km (0.059 R)
• M88: 68,877,702 km (0.115 R)
• M89: 70,194,313 km (0.113 R)
• M90: 70,414,671 km (0.096 R)
• M91: 71,519,301 km (0.103 R)
• M92: 72,295,864 km (0.104 R)
• M93: 73,410,218 km (0.117 R)
• M94: 73,745,766 km (0.071 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 16,255 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit