🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.56 AU - 0.82 AU

Year: 204 Days

Day: 32.9 Hours

Environment

Temp: 221 °C

Axial Tilt: 39.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 48,191,398 km

• M1: 186,399 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.68 AU - 1 AU

Year: 274 Days

Day: 41.6 Hours

Environment

Temp: 100 °C

Axial Tilt: 1.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.2 AU - 1.38 AU

Year: 522 Days

Day: 20.8 Hours

Environment

Temp: 22 °C

Axial Tilt: 28.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.73 AU - 2.07 AU

Year: 934 Days

Day: 26.6 Hours

Environment

Temp: -54 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,191,398 km

• M1: 270,623 km (0.091 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.27 AU - 3.47 AU

Year: 1733 Days

Day: 24.3 Hours

Environment

Temp: -93 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.83 AU - 3.67 AU

Year: 2088 Days

Day: 15 Hours

Environment

Temp: -95 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,191,398 km

• M1: 530,923 km (0.11 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.76 AU - 4 AU

Year: 2215 Days

Day: 28.9 Hours

Environment

Temp: -96 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,191,398 km

• M1: 1,153,699 km (0.12 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.64 AU - 3.82 AU

Year: 2568 Days

Day: 18.2 Hours

Environment

Temp: -110 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.6

Radius: 10.5

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 8.63 AU - 9.41 AU

Year: 9656 Days

Day: 9.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 48,191,398 km

• M1: 138,528 km (0.091 R)
• M2: 287,378 km (0.104 R)
• M3: 355,744 km (0.115 R)
• M4: 1,059,153 km (0.101 R)
• M5: 1,259,165 km (0.086 R)
• M6: 1,884,036 km (0.05 R)
• M7: 2,229,158 km (0.053 R)
• M8: 2,461,783 km (0.101 R)
• M9: 2,784,166 km (0.109 R)
• M10: 3,322,569 km (0.099 R)
• M11: 3,618,922 km (0.104 R)
• M12: 3,770,315 km (0.076 R)
• M13: 3,892,985 km (0.058 R)
• M14: 4,300,939 km (0.101 R)
• M15: 4,591,458 km (0.102 R)
• M16: 5,089,918 km (0.114 R)
• M17: 5,501,162 km (0.045 R)
• M18: 5,605,731 km (0.051 R)
• M19: 5,781,359 km (0.072 R)
• M20: 6,030,440 km (0.073 R)
• M21: 6,502,271 km (0.081 R)
• M22: 6,649,775 km (0.071 R)
• M23: 6,761,225 km (0.087 R)
• M24: 6,986,071 km (0.065 R)
• M25: 7,675,119 km (0.079 R)
• M26: 8,067,364 km (0.079 R)
• M27: 8,226,088 km (0.094 R)
• M28: 8,708,391 km (0.12 R)
• M29: 8,830,463 km (0.106 R)
• M30: 10,124,933 km (0.047 R)
• M31: 10,425,326 km (0.083 R)
• M32: 10,555,027 km (0.118 R)
• M33: 10,815,926 km (0.092 R)
• M34: 11,566,907 km (0.062 R)
• M35: 12,016,599 km (0.056 R)
• M36: 12,243,539 km (0.045 R)
• M37: 12,517,751 km (0.084 R)
• M38: 12,609,605 km (0.079 R)
• M39: 13,118,985 km (0.099 R)
• M40: 13,352,657 km (0.049 R)
• M41: 13,919,334 km (0.112 R)
• M42: 14,062,200 km (0.07 R)
• M43: 14,542,110 km (0.096 R)
• M44: 15,271,848 km (0.082 R)
• M45: 16,313,648 km (0.082 R)
• M46: 16,767,079 km (0.11 R)
• M47: 16,969,934 km (0.061 R)
• M48: 17,996,624 km (0.075 R)
• M49: 18,204,266 km (0.077 R)
• M50: 18,465,164 km (0.093 R)
• M51: 20,867,557 km (0.047 R)
• M52: 21,031,217 km (0.08 R)
• M53: 21,195,326 km (0.113 R)
• M54: 21,579,792 km (0.057 R)
• M55: 22,077,504 km (0.071 R)
• M56: 22,188,655 km (0.047 R)
• M57: 22,299,956 km (0.053 R)
• M58: 22,859,303 km (0.061 R)
• M59: 23,820,768 km (0.049 R)
• M60: 24,737,653 km (0.112 R)
• M61: 27,976,896 km (0.085 R)
• M62: 29,799,297 km (0.036 R)
• M63: 29,983,602 km (0.109 R)
• M64: 30,415,192 km (0.044 R)
• M65: 30,973,192 km (0.057 R)
• M66: 32,984,236 km (0.06 R)
• M67: 33,174,973 km (0.097 R)
• M68: 33,557,495 km (0.063 R)
• M69: 33,877,335 km (0.096 R)
• M70: 36,341,212 km (0.074 R)
• M71: 37,065,266 km (0.096 R)
• M72: 37,727,536 km (0.1 R)
• M73: 37,993,521 km (0.088 R)
• M74: 38,795,365 km (0.095 R)
• M75: 39,940,687 km (0.116 R)
• M76: 40,211,908 km (0.116 R)
• M77: 40,415,660 km (0.118 R)
• M78: 40,551,644 km (0.072 R)
• M79: 40,824,212 km (0.095 R)
• M80: 42,264,690 km (0.08 R)
• M81: 42,471,883 km (0.103 R)
• M82: 42,540,997 km (0.045 R)
• M83: 43,095,407 km (0.082 R)
• M84: 43,791,785 km (0.102 R)
• M85: 45,903,059 km (0.107 R)
• M86: 46,471,681 km (0.068 R)

Kuiper Belt

Range: 30.8 - 48.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 11,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit