🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.49 AU - 0.61 AU

Year: 146 Days

Day: 16.6 Hours

Environment

Temp: 222 °C

Axial Tilt: 4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 43,354,955 km

• M1: 378,632 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.81 AU - 1.09 AU

Year: 332 Days

Day: 26 Hours

Environment

Temp: 91 °C

Axial Tilt: 18.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 43,354,955 km

• M1: 190,588 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.09 AU - 1.31 AU

Year: 471 Days

Day: 43.9 Hours

Environment

Temp: 18 °C

Axial Tilt: 39 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.32 AU - 1.82 AU

Year: 705 Days

Day: 28.2 Hours

Environment

Temp: -43 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.53 AU - 2.13 AU

Year: 887 Days

Day: 35.1 Hours

Environment

Temp: -47 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,354,955 km

• M1: 1,472,492 km (0.078 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.27 AU - 2.27 AU

Year: 1225 Days

Day: 23.5 Hours

Environment

Temp: -68 °C

Axial Tilt: 45.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.77 AU - 5.73 AU

Year: 3708 Days

Day: 38.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.3

Radius: 12

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 8 AU - 12.78 AU

Year: 11995 Days

Day: 14.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 43,354,955 km

• M1: 150,645 km (0.092 R)
• M2: 290,220 km (0.115 R)
• M3: 396,584 km (0.063 R)
• M4: 575,503 km (0.066 R)
• M5: 816,206 km (0.083 R)
• M6: 1,296,415 km (0.082 R)
• M7: 1,414,298 km (0.086 R)
• M8: 1,495,081 km (0.071 R)
• M9: 1,900,491 km (0.1 R)
• M10: 2,461,184 km (0.078 R)
• M11: 2,684,384 km (0.109 R)
• M12: 2,760,380 km (0.116 R)
• M13: 3,755,804 km (0.037 R)
• M14: 4,013,711 km (0.109 R)
• M15: 4,100,926 km (0.097 R)
• M16: 4,516,659 km (0.094 R)
• M17: 4,607,614 km (0.118 R)
• M18: 4,822,138 km (0.084 R)
• M19: 6,380,050 km (0.061 R)
• M20: 6,482,225 km (0.104 R)
• M21: 6,896,611 km (0.067 R)
• M22: 7,570,550 km (0.102 R)
• M23: 8,154,281 km (0.115 R)
• M24: 8,828,518 km (0.074 R)
• M25: 9,018,956 km (0.068 R)
• M26: 9,095,551 km (0.106 R)
• M27: 9,287,933 km (0.096 R)
• M28: 9,715,933 km (0.097 R)
• M29: 10,110,722 km (0.1 R)
• M30: 10,309,986 km (0.111 R)
• M31: 10,672,162 km (0.119 R)
• M32: 11,326,354 km (0.088 R)
• M33: 11,574,986 km (0.106 R)
• M34: 11,867,449 km (0.109 R)
• M35: 11,951,523 km (0.108 R)
• M36: 12,204,643 km (0.089 R)
• M37: 12,289,465 km (0.073 R)
• M38: 12,802,436 km (0.072 R)
• M39: 13,322,289 km (0.12 R)
• M40: 14,293,478 km (0.084 R)
• M41: 15,333,183 km (0.055 R)
• M42: 15,839,123 km (0.06 R)
• M43: 15,977,950 km (0.087 R)
• M44: 16,867,160 km (0.076 R)
• M45: 16,961,706 km (0.119 R)
• M46: 17,246,391 km (0.102 R)
• M47: 17,772,526 km (0.107 R)
• M48: 17,965,059 km (0.115 R)
• M49: 18,206,809 km (0.095 R)
• M50: 18,498,226 km (0.11 R)
• M51: 20,632,389 km (0.063 R)
• M52: 20,936,372 km (0.115 R)
• M53: 22,011,831 km (0.114 R)
• M54: 22,322,396 km (0.093 R)
• M55: 22,582,397 km (0.088 R)
• M56: 23,000,373 km (0.114 R)
• M57: 23,790,998 km (0.097 R)
• M58: 24,056,534 km (0.105 R)
• M59: 26,325,635 km (0.102 R)
• M60: 26,710,550 km (0.114 R)
• M61: 27,374,466 km (0.061 R)
• M62: 27,708,518 km (0.104 R)
• M63: 28,493,308 km (0.087 R)
• M64: 30,199,322 km (0.105 R)
• M65: 30,314,213 km (0.088 R)
• M66: 30,602,189 km (0.116 R)
• M67: 31,821,412 km (0.043 R)
• M68: 32,172,668 km (0.114 R)
• M69: 32,760,886 km (0.106 R)
• M70: 34,366,969 km (0.038 R)
• M71: 34,847,777 km (0.068 R)
• M72: 35,209,953 km (0.094 R)
• M73: 35,755,387 km (0.095 R)
• M74: 36,609,441 km (0.079 R)
• M75: 38,711,291 km (0.071 R)
• M76: 39,023,801 km (0.057 R)
• M77: 39,525,403 km (0.032 R)
• M78: 40,155,360 km (0.11 R)
• M79: 40,598,319 km (0.062 R)
• M80: 41,106,653 km (0.036 R)
• M81: 41,361,567 km (0.114 R)
• M82: 42,450,789 km (0.079 R)
• M83: 43,096,005 km (0.099 R)
• M84: 43,354,959 km (0.082 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 17,439 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit