🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735

Radius: 13.6

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.43 AU - 0.69 AU

Year: 279 Days

Day: 6.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 165.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,520,502 km

• M1: 169,195 km (0.097 R)
• M2: 674,686 km (0.111 R)
• M3: 1,225,955 km (0.116 R)
• M4: 1,826,740 km (0.064 R)
• M5: 2,313,830 km (0.06 R)
• M6: 2,840,415 km (0.113 R)
• M7: 3,690,579 km (0.116 R)
• M8: 4,139,074 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.6

Radius: 12.2

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.76 AU - 0.98 AU

Year: 541 Days

Day: 12.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,520,502 km

• M1: 151,842 km (0.118 R)
• M2: 595,400 km (0.078 R)
• M3: 1,416,841 km (0.094 R)
• M4: 1,924,128 km (0.053 R)
• M5: 2,318,917 km (0.068 R)
• M6: 2,811,243 km (0.11 R)
• M7: 3,610,245 km (0.114 R)
• M8: 4,204,299 km (0.062 R)
• M9: 4,615,693 km (0.066 R)
• M10: 5,200,620 km (0.107 R)
• M11: 5,852,418 km (0.096 R)
• M12: 6,405,033 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.3

Radius: 8.2

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.13 AU - 1.49 AU

Year: 1000 Days

Day: 14.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,520,502 km

• M1: 102,026 km (0.104 R)
• M2: 633,697 km (0.08 R)
• M3: 930,948 km (0.119 R)
• M4: 1,285,195 km (0.113 R)
• M5: 1,573,620 km (0.083 R)
• M6: 1,887,327 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.4

Radius: 9.3

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.14 AU - 1.88 AU

Year: 1237 Days

Day: 5.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,520,502 km

• M1: 115,639 km (0.07 R)
• M2: 410,646 km (0.119 R)
• M3: 804,089 km (0.055 R)
• M4: 1,324,240 km (0.037 R)
• M5: 1,615,208 km (0.082 R)
• M6: 2,201,781 km (0.098 R)
• M7: 2,641,450 km (0.113 R)
• M8: 3,080,519 km (0.073 R)
• M9: 3,535,895 km (0.053 R)
• M10: 3,830,304 km (0.073 R)
• M11: 5,644,926 km (0.107 R)
• M12: 6,447,967 km (0.077 R)
• M13: 6,939,845 km (0.103 R)
• M14: 7,778,790 km (0.086 R)
• M15: 8,138,423 km (0.095 R)
• M16: 9,345,828 km (0.102 R)
• M17: 10,567,893 km (0.107 R)
• M18: 11,009,506 km (0.064 R)
• M19: 12,371,295 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.7

Radius: 8.3

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.14 AU - 3.72 AU

Year: 4236 Days

Day: 15 Hours

Environment

Temp: -225 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,520,502 km

• M1: 103,223 km (0.101 R)
• M2: 398,529 km (0.114 R)
• M3: 685,906 km (0.1 R)
• M4: 1,002,007 km (0.093 R)
• M5: 1,425,967 km (0.092 R)
• M6: 1,965,566 km (0.099 R)
• M7: 2,481,081 km (0.09 R)
• M8: 2,912,072 km (0.048 R)
• M9: 3,336,182 km (0.085 R)
• M10: 4,374,990 km (0.058 R)
• M11: 6,132,765 km (0.088 R)
• M12: 7,168,580 km (0.088 R)
• M13: 7,452,816 km (0.046 R)
• M14: 8,044,027 km (0.078 R)
• M15: 8,772,868 km (0.045 R)
• M16: 9,171,845 km (0.056 R)
• M17: 9,507,244 km (0.119 R)
• M18: 10,321,804 km (0.076 R)
• M19: 11,224,029 km (0.109 R)
• M20: 12,720,606 km (0.105 R)
• M21: 14,545,700 km (0.09 R)
• M22: 17,486,645 km (0.06 R)
• M23: 18,177,338 km (0.069 R)
• M24: 19,186,825 km (0.063 R)
• M25: 19,983,433 km (0.11 R)
• M26: 21,446,949 km (0.061 R)
• M27: 22,171,452 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952

Radius: 5

Gravity: 38.08 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.68 AU - 8.42 AU

Year: 12483 Days

Day: 15 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,520,502 km

• M1: 62,233 km (0.115 R)
• M2: 580,440 km (0.115 R)
• M3: 1,215,034 km (0.111 R)
• M4: 1,557,613 km (0.096 R)
• M5: 2,412,266 km (0.078 R)
• M6: 2,718,343 km (0.083 R)
• M7: 5,936,343 km (0.118 R)
• M8: 7,852,691 km (0.03 R)
• M9: 8,823,432 km (0.111 R)
• M10: 9,129,659 km (0.026 R)
• M11: 12,465,093 km (0.077 R)
• M12: 12,785,831 km (0.1 R)
• M13: 14,898,602 km (0.086 R)
• M14: 16,226,582 km (0.101 R)
• M15: 20,591,399 km (0.034 R)
• M16: 26,936,892 km (0.037 R)
• M17: 30,606,976 km (0.094 R)
• M18: 31,426,174 km (0.068 R)
• M19: 33,723,100 km (0.042 R)
• M20: 36,912,676 km (0.03 R)
• M21: 37,441,056 km (0.037 R)
• M22: 40,019,525 km (0.087 R)
• M23: 44,327,943 km (0.048 R)
• M24: 45,982,047 km (0.12 R)
• M25: 52,510,199 km (0.101 R)
• M26: 55,388,761 km (0.085 R)
• M27: 60,905,781 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.8

Radius: 5.2

Gravity: 16.15 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.24 AU - 11.78 AU

Year: 19557 Days

Day: 17.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,520,502 km

• M1: 67,169 km (0.052 R)
• M2: 253,120 km (0.083 R)
• M3: 595,998 km (0.093 R)
• M4: 798,853 km (0.068 R)
• M5: 1,719,328 km (0.069 R)
• M6: 2,381,000 km (0.058 R)
• M7: 3,122,257 km (0.099 R)
• M8: 3,491,016 km (0.025 R)
• M9: 5,047,731 km (0.113 R)
• M10: 6,338,611 km (0.05 R)
• M11: 8,316,594 km (0.119 R)
• M12: 8,614,743 km (0.096 R)
• M13: 9,769,639 km (0.101 R)
• M14: 10,847,042 km (0.118 R)
• M15: 11,203,235 km (0.08 R)
• M16: 11,444,836 km (0.106 R)
• M17: 12,127,600 km (0.071 R)
• M18: 19,624,697 km (0.119 R)
• M19: 20,153,376 km (0.09 R)
• M20: 30,770,038 km (0.108 R)
• M21: 33,814,205 km (0.064 R)
• M22: 37,455,118 km (0.075 R)
• M23: 38,131,600 km (0.085 R)
• M24: 44,440,291 km (0.104 R)
• M25: 50,748,235 km (0.062 R)
• M26: 51,576,409 km (0.112 R)
• M27: 57,269,506 km (0.057 R)
• M28: 57,448,275 km (0.034 R)
• M29: 59,256,465 km (0.098 R)
• M30: 62,795,801 km (0.119 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 19,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit