🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.33 AU - 1.41 AU

Year: 586 Days

Day: 17.8 Hours

Environment

Temp: -7 °C

Axial Tilt: 102.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Gas Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.2

Radius: 12

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.99 AU - 7.07 AU

Year: 5408 Days

Day: 11.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 21,966,237 km

• M1: 149,299 km (0.045 R)
• M2: 628,311 km (0.082 R)
• M3: 1,294,171 km (0.099 R)
• M4: 2,043,956 km (0.119 R)
• M5: 2,708,320 km (0.071 R)
• M6: 3,173,120 km (0.037 R)
• M7: 3,590,947 km (0.091 R)
• M8: 4,220,455 km (0.092 R)
• M9: 4,608,961 km (0.111 R)
• M10: 7,051,146 km (0.115 R)
• M11: 7,634,129 km (0.069 R)
• M12: 9,233,031 km (0.08 R)
• M13: 9,971,296 km (0.115 R)
• M14: 10,917,204 km (0.11 R)
• M15: 13,814,915 km (0.119 R)
• M16: 14,522,512 km (0.069 R)
• M17: 16,175,270 km (0.088 R)
• M18: 16,847,712 km (0.054 R)
• M19: 17,597,048 km (0.11 R)
• M20: 19,851,637 km (0.097 R)
• M21: 22,223,960 km (0.115 R)
• M22: 23,978,893 km (0.048 R)

Planet 3 - Ice Giant

Semi-Major Axis: 12.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.6

Radius: 6.5

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 9.98 AU - 16 AU

Year: 17100 Days

Day: 17.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 21,966,237 km

• M1: 82,129 km (0.119 R)
• M2: 302,038 km (0.073 R)
• M3: 664,813 km (0.099 R)
• M4: 1,096,852 km (0.118 R)
• M5: 1,866,981 km (0.094 R)
• M6: 2,530,897 km (0.082 R)
• M7: 2,746,916 km (0.094 R)
• M8: 4,106,312 km (0.11 R)
• M9: 5,048,779 km (0.089 R)
• M10: 5,752,487 km (0.045 R)
• M11: 7,180,997 km (0.094 R)
• M12: 7,705,786 km (0.084 R)
• M13: 9,692,296 km (0.057 R)
• M14: 10,009,145 km (0.103 R)
• M15: 10,944,431 km (0.071 R)
• M16: 11,757,495 km (0.079 R)
• M17: 13,437,928 km (0.069 R)
• M18: 15,919,308 km (0.074 R)
• M19: 16,138,917 km (0.114 R)
• M20: 16,509,471 km (0.075 R)
• M21: 16,734,616 km (0.1 R)
• M22: 20,189,579 km (0.097 R)
• M23: 20,447,037 km (0.077 R)
• M24: 23,804,761 km (0.07 R)
• M25: 27,094,568 km (0.049 R)
• M26: 27,935,308 km (0.12 R)
• M27: 30,449,599 km (0.119 R)
• M28: 31,015,379 km (0.032 R)
• M29: 31,588,189 km (0.109 R)
• M30: 32,284,866 km (0.06 R)
• M31: 33,588,761 km (0.054 R)
• M32: 37,451,378 km (0.096 R)
• M33: 43,427,514 km (0.117 R)
• M34: 43,856,710 km (0.109 R)
• M35: 46,342,279 km (0.12 R)
• M36: 46,640,727 km (0.06 R)
• M37: 48,458,490 km (0.119 R)
• M38: 50,165,701 km (0.092 R)
• M39: 52,720,085 km (0.099 R)
• M40: 53,371,883 km (0.095 R)
• M41: 56,202,424 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.1

Radius: 3.2

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 12.22 AU - 14.34 AU

Year: 17676 Days

Day: 20 Hours

Environment

Temp: -188 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,966,237 km

• M1: 55,800 km (0.065 R)
• M2: 382,372 km (0.072 R)
• M3: 686,654 km (0.043 R)
• M4: 792,420 km (0.085 R)
• M5: 1,370,765 km (0.073 R)
• M6: 1,783,057 km (0.075 R)
• M7: 2,215,993 km (0.087 R)
• M8: 3,911,087 km (0.096 R)
• M9: 4,295,852 km (0.1 R)
• M10: 6,964,678 km (0.031 R)
• M11: 7,560,527 km (0.077 R)
• M12: 8,088,158 km (0.084 R)
• M13: 10,010,940 km (0.117 R)
• M14: 10,405,130 km (0.12 R)
• M15: 11,015,490 km (0.113 R)
• M16: 11,140,254 km (0.098 R)
• M17: 14,083,742 km (0.109 R)
• M18: 16,292,106 km (0.114 R)
• M19: 17,790,478 km (0.063 R)
• M20: 17,905,070 km (0.108 R)
• M21: 19,804,963 km (0.089 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 15,946 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit