🌌 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: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.56 AU - 0.78 AU

Year: 204 Days

Day: 16.2 Hours

Environment

Temp: 113 °C

Axial Tilt: 25.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 50,342,584 km

• M1: 212,878 km (0.05 R)
• M2: 251,773 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.78 AU - 1.04 AU

Year: 324 Days

Day: 15.1 Hours

Environment

Temp: 36 °C

Axial Tilt: 13.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 50,342,584 km

• M1: 205,697 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.9 AU - 1.14 AU

Year: 384 Days

Day: 15.4 Hours

Environment

Temp: 32 °C

Axial Tilt: 19.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.13 AU - 1.33 AU

Year: 509 Days

Day: 27.3 Hours

Environment

Temp: -10 °C

Axial Tilt: 17.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.62 AU - 2.5 AU

Year: 1102 Days

Day: 40.1 Hours

Environment

Temp: -84 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.97 AU - 2.39 AU

Year: 1200 Days

Day: 15.4 Hours

Environment

Temp: -84 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.91 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 11.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.1

Radius: 12.5

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 8.92 AU - 14.36 AU

Year: 14804 Days

Day: 8.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 50,342,584 km

• M1: 159,920 km (0.11 R)
• M2: 266,733 km (0.102 R)
• M3: 456,274 km (0.111 R)
• M4: 874,699 km (0.061 R)
• M5: 1,104,930 km (0.11 R)
• M6: 1,206,956 km (0.111 R)
• M7: 1,443,320 km (0.108 R)
• M8: 1,742,516 km (0.106 R)
• M9: 1,912,010 km (0.078 R)
• M10: 2,061,907 km (0.119 R)
• M11: 2,215,694 km (0.118 R)
• M12: 2,373,370 km (0.115 R)
• M13: 2,507,859 km (0.1 R)
• M14: 3,129,587 km (0.116 R)
• M15: 3,580,475 km (0.119 R)
• M16: 4,213,873 km (0.068 R)
• M17: 4,510,376 km (0.098 R)
• M18: 5,547,538 km (0.11 R)
• M19: 5,799,909 km (0.112 R)
• M20: 5,909,265 km (0.041 R)
• M21: 6,241,522 km (0.109 R)
• M22: 6,808,947 km (0.069 R)
• M23: 7,196,555 km (0.087 R)
• M24: 7,432,471 km (0.07 R)
• M25: 8,360,875 km (0.09 R)
• M26: 8,650,646 km (0.065 R)
• M27: 8,986,045 km (0.067 R)
• M28: 10,325,395 km (0.118 R)
• M29: 10,591,978 km (0.113 R)
• M30: 10,726,018 km (0.116 R)
• M31: 11,588,300 km (0.092 R)
• M32: 11,865,355 km (0.069 R)
• M33: 12,472,872 km (0.043 R)
• M34: 13,330,965 km (0.03 R)
• M35: 16,326,513 km (0.066 R)
• M36: 16,689,138 km (0.081 R)
• M37: 17,475,126 km (0.103 R)
• M38: 17,580,891 km (0.114 R)
• M39: 19,028,849 km (0.096 R)
• M40: 19,301,117 km (0.037 R)
• M41: 19,519,979 km (0.071 R)
• M42: 19,684,537 km (0.081 R)
• M43: 20,181,351 km (0.088 R)
• M44: 20,962,252 km (0.091 R)
• M45: 21,130,849 km (0.116 R)
• M46: 21,923,718 km (0.05 R)
• M47: 22,266,596 km (0.112 R)
• M48: 22,381,188 km (0.06 R)
• M49: 22,553,525 km (0.06 R)
• M50: 23,538,627 km (0.025 R)
• M51: 23,655,463 km (0.113 R)
• M52: 24,065,809 km (0.098 R)
• M53: 25,131,993 km (0.114 R)
• M54: 25,610,707 km (0.047 R)
• M55: 26,092,561 km (0.063 R)
• M56: 27,003,912 km (0.047 R)
• M57: 29,170,986 km (0.117 R)
• M58: 29,611,103 km (0.097 R)
• M59: 29,926,904 km (0.106 R)
• M60: 30,944,619 km (0.099 R)
• M61: 31,265,057 km (0.051 R)
• M62: 31,779,973 km (0.09 R)
• M63: 31,909,076 km (0.113 R)
• M64: 32,818,182 km (0.105 R)
• M65: 33,604,170 km (0.063 R)
• M66: 34,661,827 km (0.088 R)
• M67: 34,927,812 km (0.069 R)
• M68: 36,201,189 km (0.109 R)
• M69: 36,403,595 km (0.032 R)
• M70: 36,674,068 km (0.09 R)
• M71: 36,809,603 km (0.086 R)
• M72: 37,421,459 km (0.074 R)
• M73: 38,105,270 km (0.093 R)
• M74: 40,881,358 km (0.114 R)
• M75: 42,578,247 km (0.098 R)
• M76: 43,220,470 km (0.101 R)
• M77: 44,369,980 km (0.114 R)
• M78: 44,731,409 km (0.093 R)
• M79: 44,876,220 km (0.058 R)
• M80: 45,093,735 km (0.118 R)
• M81: 45,384,254 km (0.083 R)
• M82: 45,529,663 km (0.06 R)
• M83: 46,186,398 km (0.117 R)
• M84: 47,287,887 km (0.093 R)
• M85: 47,952,999 km (0.071 R)
• M86: 48,398,053 km (0.118 R)
• M87: 48,919,102 km (0.1 R)
• M88: 49,068,251 km (0.076 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 20,169 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit