🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.05 AU - 1.09 AU

Year: 413 Days

Day: 39.7 Hours

Environment

Temp: 6 °C

Axial Tilt: 5.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.12 AU - 1.8 AU

Year: 658 Days

Day: 35.6 Hours

Environment

Temp: -32 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.14 AU - 4.16 AU

Year: 2600 Days

Day: 33.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,346,392 km

• M1: 823,686 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.2

Radius: 14.4

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.43 AU - 5.75 AU

Year: 4927 Days

Day: 9.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 39,346,392 km

• M1: 217,665 km (0.116 R)
• M2: 374,144 km (0.114 R)
• M3: 540,796 km (0.116 R)
• M4: 738,565 km (0.055 R)
• M5: 936,931 km (0.077 R)
• M6: 1,061,696 km (0.088 R)
• M7: 1,182,870 km (0.116 R)
• M8: 1,430,455 km (0.079 R)
• M9: 1,598,004 km (0.093 R)
• M10: 1,794,875 km (0.09 R)
• M11: 1,896,452 km (0.108 R)
• M12: 2,189,066 km (0.064 R)
• M13: 2,310,390 km (0.102 R)
• M14: 2,560,068 km (0.119 R)
• M15: 2,779,379 km (0.072 R)
• M16: 2,911,324 km (0.092 R)
• M17: 3,099,668 km (0.082 R)
• M18: 3,292,200 km (0.083 R)
• M19: 3,660,510 km (0.057 R)
• M20: 3,791,109 km (0.057 R)
• M21: 3,997,405 km (0.039 R)
• M22: 4,132,192 km (0.074 R)
• M23: 4,268,326 km (0.073 R)
• M24: 4,421,515 km (0.099 R)
• M25: 4,670,446 km (0.103 R)
• M26: 4,940,021 km (0.109 R)
• M27: 5,084,832 km (0.093 R)
• M28: 5,594,661 km (0.099 R)
• M29: 5,915,249 km (0.059 R)
• M30: 6,155,504 km (0.079 R)
• M31: 6,381,396 km (0.08 R)
• M32: 6,539,521 km (0.104 R)
• M33: 6,985,473 km (0.073 R)
• M34: 7,239,490 km (0.098 R)
• M35: 7,700,850 km (0.043 R)
• M36: 7,944,545 km (0.116 R)
• M37: 8,516,906 km (0.088 R)
• M38: 9,380,385 km (0.099 R)
• M39: 9,480,316 km (0.116 R)
• M40: 9,580,547 km (0.113 R)
• M41: 9,863,137 km (0.095 R)
• M42: 10,271,689 km (0.109 R)
• M43: 10,602,599 km (0.104 R)
• M44: 11,296,285 km (0.11 R)
• M45: 11,487,920 km (0.112 R)
• M46: 11,917,864 km (0.115 R)
• M47: 12,113,089 km (0.078 R)
• M48: 12,309,511 km (0.069 R)
• M49: 12,419,017 km (0.09 R)
• M50: 12,749,479 km (0.085 R)
• M51: 12,904,612 km (0.073 R)
• M52: 13,194,682 km (0.108 R)
• M53: 13,963,316 km (0.086 R)
• M54: 14,956,197 km (0.114 R)
• M55: 15,073,033 km (0.053 R)
• M56: 15,166,831 km (0.118 R)
• M57: 15,260,778 km (0.079 R)
• M58: 15,543,817 km (0.106 R)
• M59: 15,662,299 km (0.097 R)
• M60: 15,876,373 km (0.118 R)
• M61: 16,115,281 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.5

Radius: 3.2

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 13.96 AU - 19.64 AU

Year: 25670 Days

Day: 21.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 39,346,392 km

• M1: 264,788 km (0.111 R)
• M2: 354,248 km (0.112 R)
• M3: 492,476 km (0.111 R)
• M4: 574,755 km (0.117 R)
• M5: 799,152 km (0.074 R)
• M6: 1,031,178 km (0.073 R)
• M7: 1,339,200 km (0.063 R)
• M8: 1,860,998 km (0.11 R)
• M9: 2,277,777 km (0.097 R)
• M10: 2,819,321 km (0.067 R)
• M11: 2,843,706 km (0.105 R)
• M12: 2,868,090 km (0.102 R)
• M13: 3,295,192 km (0.1 R)
• M14: 4,403,713 km (0.104 R)
• M15: 4,632,448 km (0.049 R)
• M16: 4,719,214 km (0.101 R)
• M17: 5,523,752 km (0.1 R)
• M18: 5,863,489 km (0.093 R)
• M19: 6,693,308 km (0.092 R)
• M20: 7,155,117 km (0.031 R)
• M21: 7,695,314 km (0.117 R)
• M22: 8,388,850 km (0.111 R)
• M23: 9,356,599 km (0.102 R)
• M24: 9,723,712 km (0.102 R)
• M25: 11,355,825 km (0.084 R)
• M26: 12,785,980 km (0.029 R)
• M27: 16,335,639 km (0.035 R)
• M28: 16,777,252 km (0.082 R)
• M29: 17,044,134 km (0.1 R)
• M30: 19,601,360 km (0.112 R)
• M31: 20,401,110 km (0.091 R)
• M32: 20,638,223 km (0.113 R)
• M33: 20,781,089 km (0.118 R)
• M34: 22,032,026 km (0.109 R)
• M35: 22,715,689 km (0.114 R)
• M36: 23,505,565 km (0.111 R)
• M37: 25,111,947 km (0.114 R)
• M38: 25,264,388 km (0.115 R)
• M39: 25,468,140 km (0.071 R)
• M40: 26,288,385 km (0.115 R)
• M41: 28,112,581 km (0.089 R)
• M42: 28,165,240 km (0.059 R)
• M43: 28,482,238 km (0.082 R)
• M44: 29,815,903 km (0.065 R)
• M45: 31,826,498 km (0.065 R)
• M46: 32,101,459 km (0.115 R)
• M47: 32,598,573 km (0.103 R)
• M48: 32,931,428 km (0.114 R)
• M49: 36,550,500 km (0.066 R)
• M50: 36,608,095 km (0.11 R)
• M51: 36,780,880 km (0.041 R)
• M52: 38,173,038 km (0.057 R)
• M53: 38,993,134 km (0.082 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: 472 - 18,097 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit