🌌 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: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.45 AU - 0.67 AU

Year: 158 Days

Day: 14.3 Hours

Environment

Temp: 205 °C

Axial Tilt: 33.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 96,016,975 km

• M1: 62,233 km (0.061 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.97 AU - 1.09 AU

Year: 394 Days

Day: 27.1 Hours

Environment

Temp: 1 °C

Axial Tilt: 1.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.22 AU - 2.42 AU

Year: 1331 Days

Day: 46.6 Hours

Environment

Temp: -99 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.7

Radius: 8.2

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.08 AU - 10.6 AU

Year: 12526 Days

Day: 13.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 96,016,975 km

• M1: 121,473 km (0.05 R)
• M2: 719,267 km (0.109 R)
• M3: 1,121,834 km (0.053 R)
• M4: 1,545,047 km (0.1 R)
• M5: 2,571,139 km (0.12 R)
• M6: 3,833,296 km (0.115 R)
• M7: 4,510,226 km (0.086 R)
• M8: 4,850,561 km (0.098 R)
• M9: 11,598,024 km (0.106 R)
• M10: 20,064,665 km (0.115 R)
• M11: 24,638,021 km (0.038 R)
• M12: 25,366,862 km (0.081 R)
• M13: 27,639,403 km (0.064 R)
• M14: 30,875,953 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.9

Radius: 4.8

Gravity: 27.51 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 9.77 AU - 14.71 AU

Year: 16132 Days

Day: 23.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 96,016,975 km

• M1: 59,690 km (0.062 R)
• M2: 421,716 km (0.112 R)
• M3: 762,052 km (0.088 R)
• M4: 1,086,978 km (0.082 R)
• M5: 1,323,193 km (0.104 R)
• M6: 2,085,245 km (0.096 R)
• M7: 2,980,289 km (0.061 R)
• M8: 8,326,617 km (0.094 R)
• M9: 11,152,372 km (0.119 R)
• M10: 13,377,640 km (0.086 R)
• M11: 13,649,459 km (0.05 R)
• M12: 17,124,618 km (0.111 R)
• M13: 18,514,232 km (0.101 R)
• M14: 21,423,163 km (0.08 R)
• M15: 24,622,762 km (0.076 R)
• M16: 25,756,265 km (0.096 R)
• M17: 33,545,378 km (0.089 R)
• M18: 34,681,125 km (0.064 R)
• M19: 36,895,921 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.5

Radius: 3.2

Gravity: 73.68 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 16.54 AU - 17.98 AU

Year: 27014 Days

Day: 20.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 96,016,975 km

• M1: 39,793 km (0.111 R)
• M2: 270,772 km (0.078 R)
• M3: 397,182 km (0.054 R)
• M4: 618,438 km (0.03 R)
• M5: 2,631,127 km (0.087 R)
• M6: 4,084,620 km (0.118 R)
• M7: 4,940,918 km (0.089 R)
• M8: 5,954,893 km (0.108 R)
• M9: 7,150,479 km (0.083 R)
• M10: 8,159,965 km (0.041 R)
• M11: 8,440,461 km (0.084 R)
• M12: 9,504,252 km (0.081 R)
• M13: 10,854,373 km (0.114 R)
• M14: 12,771,320 km (0.117 R)
• M15: 13,379,884 km (0.11 R)
• M16: 16,804,778 km (0.086 R)
• M17: 17,258,658 km (0.063 R)
• M18: 18,573,024 km (0.06 R)
• M19: 19,058,170 km (0.106 R)
• M20: 24,383,107 km (0.118 R)
• M21: 24,847,458 km (0.107 R)
• M22: 27,632,821 km (0.041 R)
• M23: 29,557,248 km (0.079 R)
• M24: 31,159,740 km (0.119 R)
• M25: 37,070,502 km (0.111 R)
• M26: 37,530,216 km (0.047 R)
• M27: 42,672,344 km (0.118 R)
• M28: 45,937,168 km (0.112 R)
• M29: 47,001,856 km (0.093 R)
• M30: 47,180,775 km (0.118 R)
• M31: 48,995,995 km (0.101 R)
• M32: 50,857,292 km (0.104 R)
• M33: 57,537,585 km (0.107 R)
• M34: 58,981,803 km (0.095 R)
• M35: 60,873,917 km (0.102 R)
• M36: 70,240,688 km (0.103 R)
• M37: 73,323,302 km (0.091 R)
• M38: 74,047,356 km (0.113 R)
• M39: 75,020,041 km (0.115 R)
• M40: 85,752,791 km (0.045 R)
• M41: 88,178,520 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: 165 - 19,638 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit