🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.6

Radius: 8.4

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.45 AU - 0.73 AU

Year: 302 Days

Day: 9.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,557,442 km

• M1: 104,868 km (0.108 R)
• M2: 384,018 km (0.083 R)
• M3: 699,819 km (0.086 R)
• M4: 1,073,514 km (0.113 R)
• M5: 1,335,759 km (0.069 R)
• M6: 1,896,901 km (0.12 R)
• M7: 2,159,445 km (0.092 R)
• M8: 2,533,141 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.7

Radius: 8.4

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.93 AU - 1.01 AU

Year: 637 Days

Day: 6.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,557,442 km

• M1: 104,419 km (0.115 R)
• M2: 388,506 km (0.119 R)
• M3: 676,631 km (0.027 R)
• M4: 952,639 km (0.096 R)
• M5: 1,346,680 km (0.089 R)
• M6: 1,619,696 km (0.073 R)
• M7: 2,104,094 km (0.094 R)
• M8: 2,412,116 km (0.05 R)
• M9: 2,701,438 km (0.028 R)
• M10: 3,239,392 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.3

Radius: 12.3

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.49 AU - 2.17 AU

Year: 1651 Days

Day: 10.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,557,442 km

• M1: 158,574 km (0.111 R)
• M2: 614,099 km (0.119 R)
• M3: 1,295,069 km (0.098 R)
• M4: 1,755,681 km (0.072 R)
• M5: 2,587,445 km (0.092 R)
• M6: 3,185,836 km (0.064 R)
• M7: 5,263,152 km (0.061 R)
• M8: 6,693,757 km (0.102 R)
• M9: 7,590,147 km (0.042 R)
• M10: 8,094,591 km (0.111 R)
• M11: 8,763,892 km (0.084 R)

Asteroid Belt

Center: 2.76 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.2

Radius: 14.9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.34 AU - 4.04 AU

Year: 4727 Days

Day: 9.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,557,442 km

• M1: 185,352 km (0.113 R)
• M2: 692,339 km (0.118 R)
• M3: 1,193,193 km (0.108 R)
• M4: 2,146,879 km (0.117 R)
• M5: 5,101,437 km (0.094 R)
• M6: 6,017,574 km (0.089 R)
• M7: 6,576,023 km (0.104 R)
• M8: 7,104,852 km (0.111 R)
• M9: 7,594,934 km (0.116 R)
• M10: 9,629,017 km (0.025 R)
• M11: 11,115,421 km (0.051 R)
• M12: 11,777,990 km (0.104 R)
• M13: 12,941,113 km (0.104 R)
• M14: 16,605,962 km (0.102 R)
• M15: 21,583,831 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.2

Radius: 9.4

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.43 AU - 4.23 AU

Year: 4998 Days

Day: 7.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,557,442 km

• M1: 117,584 km (0.061 R)
• M2: 1,060,948 km (0.106 R)
• M3: 2,314,279 km (0.092 R)
• M4: 3,302,822 km (0.048 R)
• M5: 3,619,969 km (0.091 R)
• M6: 4,269,822 km (0.112 R)
• M7: 4,769,479 km (0.038 R)
• M8: 7,168,580 km (0.084 R)
• M9: 7,945,143 km (0.091 R)
• M10: 10,359,653 km (0.102 R)
• M11: 13,825,985 km (0.091 R)
• M12: 15,570,745 km (0.097 R)
• M13: 16,183,647 km (0.111 R)
• M14: 21,679,723 km (0.039 R)
• M15: 22,024,995 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.4

Radius: 14.6

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.62 AU - 5.66 AU

Year: 7771 Days

Day: 8.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,557,442 km

• M1: 182,809 km (0.071 R)
• M2: 669,301 km (0.078 R)
• M3: 1,371,214 km (0.11 R)
• M4: 2,093,921 km (0.081 R)
• M5: 2,847,296 km (0.116 R)
• M6: 3,327,655 km (0.063 R)
• M7: 4,673,288 km (0.117 R)
• M8: 5,429,206 km (0.12 R)
• M9: 7,252,804 km (0.114 R)
• M10: 9,022,397 km (0.107 R)
• M11: 9,536,864 km (0.093 R)
• M12: 10,239,226 km (0.082 R)
• M13: 11,380,060 km (0.059 R)
• M14: 12,604,219 km (0.104 R)
• M15: 14,229,151 km (0.051 R)
• M16: 15,762,380 km (0.109 R)
• M17: 16,277,894 km (0.11 R)
• M18: 17,463,906 km (0.1 R)
• M19: 20,275,149 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.7

Radius: 7.2

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.94 AU - 10.02 AU

Year: 16467 Days

Day: 19 Hours

Environment

Temp: -238 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,557,442 km

• M1: 91,255 km (0.098 R)
• M2: 863,030 km (0.044 R)
• M3: 2,087,189 km (0.11 R)
• M4: 2,699,942 km (0.08 R)
• M5: 7,356,326 km (0.044 R)
• M6: 11,621,959 km (0.069 R)
• M7: 12,088,256 km (0.099 R)
• M8: 15,505,071 km (0.096 R)
• M9: 19,397,608 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.7

Radius: 6.8

Gravity: 16.08 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.15 AU - 11.75 AU

Year: 19372 Days

Day: 20.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 76,557,442 km

• M1: 84,972 km (0.101 R)
• M2: 466,895 km (0.069 R)
• M3: 782,696 km (0.091 R)
• M4: 1,128,566 km (0.093 R)
• M5: 1,367,624 km (0.034 R)
• M6: 1,930,411 km (0.116 R)
• M7: 2,362,749 km (0.09 R)
• M8: 2,685,581 km (0.037 R)
• M9: 3,419,807 km (0.073 R)
• M10: 4,347,464 km (0.108 R)
• M11: 4,726,395 km (0.119 R)
• M12: 5,629,817 km (0.111 R)
• M13: 6,510,350 km (0.109 R)
• M14: 6,960,639 km (0.106 R)
• M15: 7,625,602 km (0.09 R)
• M16: 10,408,870 km (0.099 R)
• M17: 11,024,465 km (0.11 R)
• M18: 12,059,533 km (0.12 R)
• M19: 13,950,749 km (0.107 R)
• M20: 14,321,453 km (0.027 R)
• M21: 16,768,425 km (0.075 R)
• M22: 18,844,395 km (0.053 R)
• M23: 27,455,099 km (0.075 R)
• M24: 30,947,760 km (0.101 R)
• M25: 31,833,081 km (0.099 R)
• M26: 32,996,054 km (0.063 R)
• M27: 36,654,769 km (0.069 R)
• M28: 41,635,182 km (0.114 R)
• M29: 54,177,467 km (0.087 R)
• M30: 56,019,316 km (0.106 R)
• M31: 59,245,544 km (0.09 R)
• M32: 61,993,806 km (0.084 R)
• M33: 64,825,844 km (0.076 R)
• M34: 66,482,191 km (0.107 R)
• M35: 67,110,502 km (0.078 R)
• M36: 72,280,754 km (0.115 R)
• M37: 73,167,571 km (0.115 R)
• M38: 73,613,671 km (0.22 R)
• M39: 75,643,415 km (0.088 R)
• M40: 76,099,539 km (0.228 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 15,998 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit