🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.66 AU - 0.82 AU

Year: 272 Days

Day: 41.6 Hours

Environment

Temp: 8 °C

Axial Tilt: 18.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.21 AU - 1.93 AU

Year: 841 Days

Day: 29.2 Hours

Environment

Temp: -97 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,714,094 km

• M1: 45,478 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.1

Radius: 11.1

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.74 AU - 4.52 AU

Year: 2957 Days

Day: 11.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 91,714,094 km

• M1: 138,827 km (0.082 R)
• M2: 485,445 km (0.098 R)
• M3: 861,684 km (0.101 R)
• M4: 1,287,290 km (0.083 R)
• M5: 2,003,265 km (0.062 R)
• M6: 2,611,380 km (0.116 R)
• M7: 2,968,171 km (0.046 R)
• M8: 3,469,623 km (0.108 R)
• M9: 3,985,437 km (0.04 R)
• M10: 4,643,668 km (0.112 R)
• M11: 6,347,138 km (0.094 R)
• M12: 6,726,519 km (0.106 R)
• M13: 8,329,759 km (0.074 R)
• M14: 9,518,913 km (0.09 R)
• M15: 10,941,738 km (0.119 R)
• M16: 13,006,338 km (0.041 R)
• M17: 14,303,352 km (0.079 R)
• M18: 15,370,433 km (0.057 R)
• M19: 15,737,696 km (0.072 R)
• M20: 16,874,640 km (0.042 R)
• M21: 17,378,485 km (0.117 R)
• M22: 18,890,322 km (0.086 R)
• M23: 21,449,791 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.1

Radius: 12.8

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.77 AU - 4.77 AU

Year: 3772 Days

Day: 8.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 91,714,094 km

• M1: 161,267 km (0.049 R)
• M2: 566,527 km (0.104 R)
• M3: 1,029,383 km (0.098 R)
• M4: 1,671,906 km (0.119 R)
• M5: 2,147,926 km (0.105 R)
• M6: 2,999,587 km (0.028 R)
• M7: 3,417,713 km (0.085 R)
• M8: 4,350,605 km (0.104 R)
• M9: 5,605,731 km (0.119 R)
• M10: 6,718,590 km (0.111 R)
• M11: 8,495,962 km (0.067 R)
• M12: 9,227,795 km (0.097 R)
• M13: 9,765,001 km (0.115 R)
• M14: 10,486,063 km (0.073 R)
• M15: 11,546,263 km (0.077 R)
• M16: 12,170,535 km (0.096 R)
• M17: 13,535,316 km (0.108 R)
• M18: 15,051,939 km (0.094 R)
• M19: 17,018,254 km (0.097 R)
• M20: 18,541,160 km (0.11 R)
• M21: 19,212,107 km (0.116 R)
• M22: 20,153,077 km (0.075 R)
• M23: 20,602,619 km (0.108 R)
• M24: 22,468,104 km (0.069 R)
• M25: 23,091,030 km (0.04 R)
• M26: 24,010,907 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.6

Radius: 5.2

Gravity: 36.71 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 13.37 AU - 14.29 AU

Year: 21987 Days

Day: 24.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 91,714,094 km

• M1: 66,272 km (0.059 R)
• M2: 239,357 km (0.073 R)
• M3: 673,639 km (0.089 R)
• M4: 1,014,124 km (0.081 R)
• M5: 1,315,863 km (0.053 R)
• M6: 1,584,391 km (0.045 R)
• M7: 1,991,596 km (0.025 R)
• M8: 2,253,991 km (0.097 R)
• M9: 2,441,587 km (0.049 R)
• M10: 3,893,883 km (0.075 R)
• M11: 5,294,717 km (0.109 R)
• M12: 5,585,237 km (0.116 R)
• M13: 5,842,694 km (0.031 R)
• M14: 8,584,375 km (0.119 R)
• M15: 9,824,990 km (0.099 R)
• M16: 10,327,639 km (0.053 R)
• M17: 11,315,882 km (0.097 R)
• M18: 16,419,862 km (0.034 R)
• M19: 17,127,011 km (0.064 R)
• M20: 18,507,351 km (0.097 R)
• M21: 21,487,191 km (0.055 R)
• M22: 23,531,296 km (0.112 R)
• M23: 24,315,937 km (0.054 R)
• M24: 24,543,326 km (0.115 R)
• M25: 24,886,952 km (0.1 R)
• M26: 26,653,703 km (0.092 R)
• M27: 32,315,683 km (0.087 R)
• M28: 34,415,439 km (0.096 R)
• M29: 36,159,152 km (0.093 R)
• M30: 37,961,058 km (0.038 R)
• M31: 39,039,360 km (0.115 R)
• M32: 41,418,564 km (0.06 R)
• M33: 47,874,460 km (0.055 R)
• M34: 54,774,512 km (0.111 R)
• M35: 59,793,970 km (0.079 R)
• M36: 62,096,281 km (0.112 R)
• M37: 64,240,018 km (0.061 R)
• M38: 68,901,638 km (0.116 R)
• M39: 83,194,218 km (0.109 R)
• M40: 87,918,519 km (0.078 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: 509 - 16,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit