🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.48 AU - 0.6 AU

Year: 150 Days

Day: 30.2 Hours

Environment

Temp: 188 °C

Axial Tilt: 2.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 85,122,124 km

• M1: 47,423 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.43 AU - 0.65 AU

Year: 150 Days

Day: 36.2 Hours

Environment

Temp: 159 °C

Axial Tilt: 14.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.5

Radius: 14.1

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.28 AU - 8.8 AU

Year: 7075 Days

Day: 10 Hours

Environment

Temp: -161 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,122,124 km

• M1: 175,478 km (0.099 R)
• M2: 720,463 km (0.071 R)
• M3: 1,172,847 km (0.084 R)
• M4: 2,686,778 km (0.112 R)
• M5: 4,277,751 km (0.073 R)
• M6: 6,793,688 km (0.057 R)
• M7: 8,076,191 km (0.117 R)
• M8: 10,606,190 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.2

Radius: 13.2

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.58 AU - 8.9 AU

Year: 8959 Days

Day: 8.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,122,124 km

• M1: 164,258 km (0.117 R)
• M2: 634,893 km (0.058 R)
• M3: 1,340,846 km (0.056 R)
• M4: 1,869,225 km (0.099 R)
• M5: 3,162,050 km (0.04 R)
• M6: 3,990,972 km (0.119 R)
• M7: 4,413,586 km (0.096 R)
• M8: 4,865,970 km (0.056 R)
• M9: 5,577,607 km (0.041 R)
• M10: 7,026,762 km (0.083 R)
• M11: 8,404,109 km (0.081 R)
• M12: 9,652,354 km (0.106 R)
• M13: 13,851,865 km (0.098 R)
• M14: 15,486,820 km (0.109 R)
• M15: 15,954,164 km (0.068 R)
• M16: 18,900,943 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.2

Radius: 3.5

Gravity: 63.77 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 12.66 AU - 20.82 AU

Year: 25941 Days

Day: 23.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 85,122,124 km

• M1: 47,273 km (0.065 R)
• M2: 169,345 km (0.07 R)
• M3: 319,840 km (0.112 R)
• M4: 755,020 km (0.082 R)
• M5: 1,254,378 km (0.075 R)
• M6: 1,555,818 km (0.085 R)
• M7: 2,804,661 km (0.096 R)
• M8: 4,165,254 km (0.078 R)
• M9: 4,343,275 km (0.084 R)
• M10: 5,520,909 km (0.072 R)
• M11: 5,736,031 km (0.099 R)
• M12: 6,652,617 km (0.118 R)
• M13: 8,655,134 km (0.113 R)
• M14: 11,785,619 km (0.082 R)
• M15: 12,142,111 km (0.073 R)
• M16: 16,374,385 km (0.079 R)
• M17: 16,728,782 km (0.117 R)
• M18: 17,544,838 km (0.096 R)
• M19: 20,252,709 km (0.109 R)
• M20: 22,784,952 km (0.101 R)
• M21: 24,816,940 km (0.065 R)
• M22: 26,478,524 km (0.099 R)
• M23: 26,843,992 km (0.075 R)
• M24: 27,584,950 km (0.108 R)
• M25: 27,709,714 km (0.059 R)
• M26: 28,466,530 km (0.078 R)
• M27: 31,905,486 km (0.05 R)
• M28: 39,752,642 km (0.081 R)
• M29: 43,524,304 km (0.082 R)
• M30: 43,863,143 km (0.054 R)
• M31: 45,062,768 km (0.105 R)
• M32: 48,066,993 km (0.107 R)
• M33: 51,959,080 km (0.099 R)
• M34: 52,531,591 km (0.062 R)
• M35: 57,875,527 km (0.12 R)
• M36: 61,632,378 km (0.08 R)
• M37: 62,059,629 km (0.12 R)
• M38: 63,788,233 km (0.077 R)
• M39: 68,021,703 km (0.028 R)
• M40: 75,812,760 km (0.033 R)
• M41: 77,290,338 km (0.076 R)
• M42: 79,795,355 km (0.053 R)
• M43: 82,095,721 km (0.093 R)
• M44: 85,231,143 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.4

Radius: 4.6

Gravity: 22.37 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 14.02 AU - 21.6 AU

Year: 28467 Days

Day: 18.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,122,124 km

• M1: 59,241 km (0.077 R)
• M2: 295,605 km (0.102 R)
• M3: 475,123 km (0.044 R)
• M4: 631,453 km (0.084 R)
• M5: 1,640,191 km (0.051 R)
• M6: 2,690,817 km (0.086 R)
• M7: 4,798,950 km (0.095 R)
• M8: 8,554,904 km (0.091 R)
• M9: 19,747,667 km (0.114 R)
• M10: 22,044,293 km (0.05 R)
• M11: 42,637,787 km (0.08 R)
• M12: 50,836,498 km (0.097 R)
• M13: 51,381,184 km (0.089 R)
• M14: 56,459,882 km (0.1 R)
• M15: 59,421,022 km (0.118 R)
• M16: 62,691,680 km (0.047 R)
• M17: 72,300,950 km (0.105 R)
• M18: 74,847,854 km (0.092 R)
• M19: 80,119,683 km (0.064 R)
• M20: 81,599,206 km (0.108 R)
• M21: 84,105,419 km (0.108 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 15,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit