🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.44 AU - 1.82 AU

Year: 745 Days

Day: 33.7 Hours

Environment

Temp: -47 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.61 AU - 2.63 AU

Year: 1519 Days

Day: 45.3 Hours

Environment

Temp: -79 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.65 AU - 2.83 AU

Year: 1624 Days

Day: 35.5 Hours

Environment

Temp: -81 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.8

Radius: 8.7

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.37 AU - 7.45 AU

Year: 7224 Days

Day: 8.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 110,192,386 km

• M1: 108,159 km (0.086 R)
• M2: 392,694 km (0.098 R)
• M3: 733,179 km (0.091 R)
• M4: 1,219,671 km (0.073 R)
• M5: 1,712,596 km (0.045 R)
• M6: 3,096,227 km (0.108 R)
• M7: 3,729,924 km (0.031 R)
• M8: 5,738,874 km (0.102 R)
• M9: 6,659,050 km (0.076 R)
• M10: 7,264,024 km (0.11 R)
• M11: 10,612,922 km (0.037 R)
• M12: 11,840,821 km (0.076 R)
• M13: 12,201,053 km (0.119 R)
• M14: 12,674,979 km (0.098 R)
• M15: 13,884,926 km (0.107 R)
• M16: 15,718,248 km (0.101 R)
• M17: 22,101,141 km (0.053 R)
• M18: 22,884,585 km (0.115 R)
• M19: 23,930,723 km (0.116 R)
• M20: 25,261,545 km (0.115 R)
• M21: 27,708,218 km (0.093 R)
• M22: 31,766,509 km (0.031 R)
• M23: 35,668,321 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.1

Radius: 4.2

Gravity: 42.92 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 10.96 AU - 18.16 AU

Year: 19898 Days

Day: 15.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 110,192,386 km

• M1: 52,359 km (0.101 R)
• M2: 311,463 km (0.097 R)
• M3: 472,131 km (0.078 R)
• M4: 2,002,966 km (0.088 R)
• M5: 2,386,385 km (0.062 R)
• M6: 2,741,830 km (0.114 R)
• M7: 3,862,168 km (0.075 R)
• M8: 4,954,681 km (0.12 R)
• M9: 7,050,099 km (0.104 R)
• M10: 7,432,621 km (0.111 R)
• M11: 7,778,491 km (0.103 R)
• M12: 8,502,395 km (0.088 R)
• M13: 9,846,083 km (0.108 R)
• M14: 11,982,939 km (0.078 R)
• M15: 13,230,585 km (0.104 R)
• M16: 16,556,445 km (0.114 R)
• M17: 18,725,315 km (0.113 R)
• M18: 20,399,465 km (0.11 R)
• M19: 26,015,519 km (0.035 R)
• M20: 28,332,341 km (0.091 R)
• M21: 38,098,239 km (0.082 R)
• M22: 40,318,272 km (0.115 R)
• M23: 42,779,755 km (0.1 R)
• M24: 48,680,494 km (0.055 R)
• M25: 53,810,803 km (0.101 R)
• M26: 59,680,724 km (0.106 R)
• M27: 60,467,908 km (0.092 R)
• M28: 66,172,973 km (0.071 R)
• M29: 67,228,086 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.9

Radius: 6

Gravity: 26.53 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 15.63 AU - 22.25 AU

Year: 29522 Days

Day: 23.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 110,192,386 km

• M1: 74,649 km (0.109 R)
• M2: 351,555 km (0.118 R)
• M3: 771,775 km (0.059 R)
• M4: 1,138,739 km (0.099 R)
• M5: 2,242,023 km (0.054 R)
• M6: 2,901,600 km (0.107 R)
• M7: 3,716,909 km (0.115 R)
• M8: 3,996,058 km (0.111 R)
• M9: 4,795,958 km (0.116 R)
• M10: 5,385,374 km (0.077 R)
• M11: 5,928,115 km (0.11 R)
• M12: 7,175,163 km (0.099 R)
• M13: 8,291,462 km (0.106 R)
• M14: 11,801,776 km (0.045 R)
• M15: 13,109,411 km (0.064 R)
• M16: 14,510,694 km (0.119 R)
• M17: 22,805,747 km (0.115 R)
• M18: 23,623,000 km (0.082 R)
• M19: 24,098,721 km (0.118 R)
• M20: 26,318,753 km (0.085 R)
• M21: 30,037,457 km (0.087 R)
• M22: 30,595,757 km (0.05 R)
• M23: 31,733,000 km (0.032 R)
• M24: 33,491,373 km (0.086 R)
• M25: 35,313,774 km (0.094 R)
• M26: 47,843,493 km (0.069 R)
• M27: 49,180,898 km (0.074 R)
• M28: 49,374,029 km (0.064 R)
• M29: 49,956,264 km (0.097 R)
• M30: 54,161,011 km (0.026 R)
• M31: 54,987,839 km (0.069 R)
• M32: 61,907,488 km (0.111 R)
• M33: 69,385,288 km (0.066 R)
• M34: 75,629,652 km (0.039 R)
• M35: 78,755,649 km (0.1 R)
• M36: 84,155,235 km (0.052 R)
• M37: 88,363,273 km (0.1 R)
• M38: 100,576,144 km (0.085 R)
• M39: 104,034,249 km (0.077 R)
• M40: 109,204,351 km (0.117 R)

Kuiper Belt

Range: 30.6 - 58.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 15,007 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit