🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.6

Radius: 10.8

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.67 AU - 0.87 AU

Year: 475 Days

Day: 5.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,664,657 km

• M1: 134,339 km (0.112 R)
• M2: 569,968 km (0.085 R)
• M3: 967,599 km (0.078 R)
• M4: 1,377,348 km (0.06 R)
• M5: 1,790,986 km (0.079 R)
• M6: 2,235,591 km (0.072 R)
• M7: 2,793,441 km (0.109 R)
• M8: 3,171,176 km (0.083 R)
• M9: 4,515,911 km (0.118 R)
• M10: 5,130,459 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.3

Radius: 9.7

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.59 AU - 0.97 AU

Year: 484 Days

Day: 12.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,664,657 km

• M1: 120,576 km (0.09 R)
• M2: 516,861 km (0.08 R)
• M3: 849,866 km (0.105 R)
• M4: 1,209,200 km (0.062 R)
• M5: 1,947,315 km (0.059 R)
• M6: 2,444,728 km (0.078 R)
• M7: 2,774,442 km (0.117 R)
• M8: 3,744,285 km (0.116 R)
• M9: 4,117,981 km (0.1 R)
• M10: 4,910,550 km (0.081 R)
• M11: 5,569,379 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.8

Radius: 13.9

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.68 AU - 2.04 AU

Year: 1783 Days

Day: 8.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,664,657 km

• M1: 172,935 km (0.084 R)
• M2: 688,599 km (0.106 R)
• M3: 1,125,425 km (0.067 R)
• M4: 2,010,296 km (0.1 R)
• M5: 2,858,067 km (0.062 R)
• M6: 3,442,845 km (0.081 R)
• M7: 3,957,761 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.6

Radius: 13.3

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.45 AU - 3.79 AU

Year: 4841 Days

Day: 13.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,664,657 km

• M1: 166,802 km (0.105 R)
• M2: 1,042,697 km (0.12 R)
• M3: 1,664,426 km (0.075 R)
• M4: 2,185,475 km (0.072 R)
• M5: 3,819,533 km (0.119 R)
• M6: 5,571,174 km (0.079 R)
• M7: 6,467,266 km (0.106 R)
• M8: 7,217,499 km (0.032 R)
• M9: 10,857,215 km (0.084 R)
• M10: 12,205,690 km (0.116 R)
• M11: 13,925,767 km (0.103 R)
• M12: 16,503,188 km (0.119 R)
• M13: 17,042,339 km (0.105 R)
• M14: 20,528,568 km (0.063 R)
• M15: 23,549,697 km (0.114 R)
• M16: 28,362,859 km (0.108 R)
• M17: 28,791,457 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.7

Radius: 5.2

Gravity: 35.45 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 7.69 AU - 7.99 AU

Year: 15431 Days

Day: 15.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,664,657 km

• M1: 64,626 km (0.069 R)
• M2: 422,315 km (0.082 R)
• M3: 746,194 km (0.091 R)
• M4: 1,182,272 km (0.05 R)
• M5: 2,258,180 km (0.097 R)
• M6: 3,237,896 km (0.03 R)
• M7: 4,020,742 km (0.076 R)
• M8: 4,540,445 km (0.108 R)
• M9: 5,831,624 km (0.067 R)
• M10: 6,325,596 km (0.086 R)
• M11: 11,265,767 km (0.068 R)
• M12: 15,132,273 km (0.106 R)
• M13: 15,592,736 km (0.111 R)
• M14: 22,855,263 km (0.071 R)
• M15: 30,727,103 km (0.073 R)
• M16: 33,879,430 km (0.109 R)
• M17: 37,102,067 km (0.064 R)
• M18: 37,798,146 km (0.104 R)
• M19: 41,410,187 km (0.038 R)
• M20: 44,304,307 km (0.057 R)
• M21: 46,040,091 km (0.11 R)
• M22: 56,861,851 km (0.087 R)
• M23: 62,562,727 km (0.068 R)
• M24: 62,759,149 km (0.068 R)
• M25: 70,527,916 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378

Radius: 5.9

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.82 AU - 10 AU

Year: 18695 Days

Day: 19.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,664,657 km

• M1: 75,397 km (0.048 R)
• M2: 469,289 km (0.029 R)
• M3: 856,597 km (0.054 R)
• M4: 2,293,784 km (0.053 R)
• M5: 3,215,905 km (0.044 R)
• M6: 3,554,146 km (0.105 R)
• M7: 5,360,092 km (0.095 R)
• M8: 6,956,301 km (0.072 R)
• M9: 7,931,829 km (0.118 R)
• M10: 8,452,429 km (0.102 R)
• M11: 10,426,822 km (0.09 R)
• M12: 12,625,911 km (0.12 R)
• M13: 13,867,274 km (0.088 R)
• M14: 15,989,619 km (0.117 R)
• M15: 16,896,032 km (0.03 R)
• M16: 17,916,140 km (0.102 R)
• M17: 19,143,441 km (0.099 R)
• M18: 21,855,501 km (0.044 R)
• M19: 23,928,628 km (0.029 R)
• M20: 24,813,350 km (0.114 R)
• M21: 26,543,449 km (0.098 R)
• M22: 29,010,169 km (0.035 R)
• M23: 37,581,528 km (0.101 R)
• M24: 38,508,137 km (0.032 R)
• M25: 45,574,393 km (0.111 R)
• M26: 51,976,434 km (0.073 R)
• M27: 53,457,752 km (0.12 R)
• M28: 55,306,183 km (0.047 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 10,279 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit