🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.48 AU - 0.56 AU

Year: 143 Days

Day: 40.3 Hours

Environment

Temp: 209 °C

Axial Tilt: 22.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.8 AU - 1.2 AU

Year: 381 Days

Day: 24.5 Hours

Environment

Temp: 8 °C

Axial Tilt: 4.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.14 AU - 1.52 AU

Year: 584 Days

Day: 20.1 Hours

Environment

Temp: -34 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 51,904,151 km

• M1: 978,071 km (0.06 R)
• M2: 1,260,960 km (0.058 R)

Asteroid Belt

Center: 7.31 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 13.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.1

Radius: 4.7

Gravity: 11.59 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 12.03 AU - 14.53 AU

Year: 18429 Days

Day: 18.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 51,904,151 km

• M1: 153,637 km (0.115 R)
• M2: 327,919 km (0.102 R)
• M3: 442,511 km (0.1 R)
• M4: 620,831 km (0.12 R)
• M5: 745,446 km (0.085 R)
• M6: 998,117 km (0.031 R)
• M7: 1,388,867 km (0.097 R)
• M8: 1,458,280 km (0.106 R)
• M9: 1,772,286 km (0.08 R)
• M10: 2,404,935 km (0.056 R)
• M11: 2,488,561 km (0.12 R)
• M12: 2,803,464 km (0.028 R)
• M13: 3,407,690 km (0.101 R)
• M14: 3,919,165 km (0.078 R)
• M15: 5,335,558 km (0.111 R)
• M16: 5,889,519 km (0.097 R)
• M17: 6,422,835 km (0.081 R)
• M18: 6,578,118 km (0.109 R)
• M19: 6,656,208 km (0.091 R)
• M20: 8,323,326 km (0.078 R)
• M21: 8,535,007 km (0.055 R)
• M22: 9,224,354 km (0.11 R)
• M23: 11,491,211 km (0.113 R)
• M24: 11,726,977 km (0.045 R)
• M25: 11,774,250 km (0.101 R)
• M26: 12,059,683 km (0.099 R)
• M27: 12,734,369 km (0.119 R)
• M28: 13,969,300 km (0.118 R)
• M29: 14,626,483 km (0.092 R)
• M30: 15,397,062 km (0.051 R)
• M31: 16,657,424 km (0.116 R)
• M32: 18,830,333 km (0.09 R)
• M33: 19,443,385 km (0.066 R)
• M34: 20,688,937 km (0.11 R)
• M35: 21,090,607 km (0.069 R)
• M36: 23,137,405 km (0.068 R)
• M37: 24,335,086 km (0.065 R)
• M38: 24,880,669 km (0.087 R)
• M39: 25,124,364 km (0.102 R)
• M40: 26,541,205 km (0.091 R)
• M41: 28,047,207 km (0.099 R)
• M42: 29,323,127 km (0.104 R)
• M43: 31,403,735 km (0.112 R)
• M44: 31,601,204 km (0.09 R)
• M45: 32,063,611 km (0.08 R)
• M46: 35,294,027 km (0.098 R)
• M47: 35,911,268 km (0.101 R)
• M48: 36,393,721 km (0.056 R)
• M49: 37,434,773 km (0.091 R)
• M50: 37,853,946 km (0.089 R)
• M51: 38,415,237 km (0.079 R)
• M52: 39,333,319 km (0.114 R)
• M53: 39,759,374 km (0.117 R)
• M54: 41,768,174 km (0.103 R)
• M55: 43,809,587 km (0.102 R)
• M56: 44,103,995 km (0.104 R)
• M57: 45,139,063 km (0.057 R)
• M58: 46,631,751 km (0.111 R)
• M59: 46,706,849 km (0.094 R)
• M60: 46,932,293 km (0.038 R)
• M61: 47,233,433 km (0.102 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 13,944 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit