🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.85 AU - 0.99 AU

Year: 322 Days

Day: 29.6 Hours

Environment

Temp: 119 °C

Axial Tilt: 36.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.13 AU - 3.47 AU

Year: 1711 Days

Day: 14.9 Hours

Environment

Temp: -98 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.8 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.9

Radius: 14.9

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.85 AU - 5.75 AU

Year: 3841 Days

Day: 14 Hours

Environment

Temp: -140 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 100,784,929 km

• M1: 185,352 km (0.108 R)
• M2: 751,131 km (0.095 R)
• M3: 1,448,107 km (0.108 R)
• M4: 2,214,348 km (0.1 R)
• M5: 3,110,738 km (0.09 R)
• M6: 4,170,789 km (0.117 R)
• M7: 5,934,996 km (0.065 R)
• M8: 6,590,983 km (0.108 R)
• M9: 7,394,772 km (0.114 R)
• M10: 10,038,316 km (0.081 R)
• M11: 10,625,937 km (0.098 R)
• M12: 15,571,343 km (0.111 R)
• M13: 16,532,659 km (0.089 R)
• M14: 17,234,871 km (0.084 R)
• M15: 19,332,982 km (0.104 R)
• M16: 19,915,815 km (0.103 R)
• M17: 20,778,396 km (0.118 R)
• M18: 22,153,799 km (0.092 R)
• M19: 23,297,325 km (0.074 R)
• M20: 26,249,340 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.9

Radius: 11.8

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.11 AU - 9.47 AU

Year: 9519 Days

Day: 13.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 100,784,929 km

• M1: 149,747 km (0.116 R)
• M2: 687,253 km (0.063 R)
• M3: 1,118,244 km (0.094 R)
• M4: 2,622,750 km (0.098 R)
• M5: 3,126,446 km (0.091 R)
• M6: 3,644,204 km (0.112 R)
• M7: 4,191,433 km (0.08 R)
• M8: 6,385,436 km (0.099 R)
• M9: 7,423,196 km (0.102 R)
• M10: 7,877,076 km (0.092 R)
• M11: 8,393,189 km (0.1 R)
• M12: 9,782,953 km (0.09 R)
• M13: 10,584,199 km (0.119 R)
• M14: 12,374,437 km (0.088 R)
• M15: 16,133,083 km (0.107 R)
• M16: 20,997,707 km (0.117 R)
• M17: 21,573,808 km (0.096 R)
• M18: 23,190,812 km (0.109 R)
• M19: 27,830,290 km (0.11 R)
• M20: 30,054,811 km (0.08 R)
• M21: 32,504,476 km (0.119 R)
• M22: 32,943,695 km (0.073 R)
• M23: 36,247,714 km (0.098 R)
• M24: 38,040,495 km (0.099 R)
• M25: 40,521,874 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.5

Radius: 11.9

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 11.05 AU - 12.29 AU

Year: 14561 Days

Day: 6 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 100,784,929 km

• M1: 149,299 km (0.118 R)
• M2: 692,189 km (0.081 R)
• M3: 1,400,535 km (0.074 R)
• M4: 1,845,439 km (0.099 R)
• M5: 3,755,655 km (0.1 R)
• M6: 4,191,732 km (0.117 R)
• M7: 5,131,506 km (0.086 R)
• M8: 6,246,160 km (0.078 R)
• M9: 7,118,016 km (0.098 R)
• M10: 7,789,262 km (0.114 R)
• M11: 10,335,268 km (0.049 R)
• M12: 11,137,711 km (0.055 R)
• M13: 13,660,081 km (0.064 R)
• M14: 17,400,028 km (0.117 R)
• M15: 18,124,380 km (0.05 R)
• M16: 19,979,693 km (0.096 R)
• M17: 20,684,748 km (0.087 R)
• M18: 25,781,996 km (0.051 R)
• M19: 26,407,166 km (0.086 R)
• M20: 29,459,411 km (0.09 R)
• M21: 37,437,017 km (0.111 R)
• M22: 39,876,958 km (0.088 R)
• M23: 40,713,360 km (0.039 R)
• M24: 47,987,257 km (0.074 R)
• M25: 49,092,336 km (0.114 R)
• M26: 54,021,736 km (0.088 R)
• M27: 58,373,688 km (0.037 R)
• M28: 62,205,487 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.8

Radius: 3

Gravity: 73.2 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 18.94 AU - 19.76 AU

Year: 31089 Days

Day: 18.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 100,784,929 km

• M1: 37,549 km (0.077 R)
• M2: 182,659 km (0.112 R)
• M3: 1,518,867 km (0.045 R)
• M4: 2,201,931 km (0.097 R)
• M5: 2,469,113 km (0.114 R)
• M6: 2,703,383 km (0.088 R)
• M7: 2,981,037 km (0.025 R)
• M8: 4,283,286 km (0.094 R)
• M9: 4,976,822 km (0.075 R)
• M10: 5,099,193 km (0.063 R)
• M11: 6,680,592 km (0.078 R)
• M12: 7,134,472 km (0.072 R)
• M13: 9,156,886 km (0.094 R)
• M14: 9,527,440 km (0.068 R)
• M15: 13,638,838 km (0.057 R)
• M16: 15,378,512 km (0.039 R)
• M17: 17,920,479 km (0.116 R)
• M18: 20,623,712 km (0.087 R)
• M19: 21,581,886 km (0.11 R)
• M20: 25,955,530 km (0.072 R)
• M21: 26,696,039 km (0.097 R)
• M22: 29,133,737 km (0.078 R)
• M23: 29,265,981 km (0.09 R)
• M24: 30,203,062 km (0.098 R)
• M25: 31,436,945 km (0.093 R)
• M26: 32,704,039 km (0.096 R)
• M27: 32,990,070 km (0.099 R)
• M28: 36,863,159 km (0.113 R)
• M29: 37,797,996 km (0.102 R)
• M30: 45,141,756 km (0.113 R)
• M31: 46,391,197 km (0.119 R)
• M32: 46,933,789 km (0.031 R)
• M33: 50,850,261 km (0.056 R)
• M34: 52,593,375 km (0.097 R)
• M35: 55,789,833 km (0.029 R)
• M36: 56,608,732 km (0.108 R)
• M37: 58,060,878 km (0.061 R)
• M38: 63,672,444 km (0.053 R)
• M39: 65,923,443 km (0.062 R)
• M40: 81,336,063 km (0.112 R)
• M41: 96,318,888 km (0.085 R)
• M42: 98,982,329 km (0.12 R)
• M43: 99,880,963 km (0.105 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 11,162 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit