🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.4

Radius: 8.4

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.5 AU - 0.58 AU

Year: 265 Days

Day: 6.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 98.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,950,238 km

• M1: 104,419 km (0.064 R)
• M2: 394,340 km (0.117 R)
• M3: 664,065 km (0.088 R)
• M4: 1,301,352 km (0.098 R)
• M5: 1,632,113 km (0.103 R)
• M6: 2,202,679 km (0.078 R)
• M7: 2,534,637 km (0.115 R)
• M8: 3,105,652 km (0.114 R)
• M9: 3,481,292 km (0.116 R)
• M10: 3,794,251 km (0.051 R)
• M11: 4,249,028 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.1

Radius: 8.6

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.89 AU - 2.17 AU

Year: 1929 Days

Day: 5.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,950,238 km

• M1: 107,860 km (0.06 R)
• M2: 1,082,191 km (0.106 R)
• M3: 1,368,372 km (0.117 R)
• M4: 1,662,631 km (0.111 R)
• M5: 1,980,227 km (0.105 R)
• M6: 2,459,539 km (0.108 R)
• M7: 3,799,636 km (0.09 R)
• M8: 4,289,569 km (0.091 R)
• M9: 7,090,640 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643

Radius: 9.9

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.09 AU - 4.85 AU

Year: 6302 Days

Day: 8 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,950,238 km

• M1: 123,269 km (0.047 R)
• M2: 441,463 km (0.117 R)
• M3: 777,460 km (0.101 R)
• M4: 2,339,711 km (0.074 R)
• M5: 3,692,075 km (0.051 R)
• M6: 5,476,030 km (0.057 R)
• M7: 7,887,398 km (0.046 R)
• M8: 8,883,421 km (0.036 R)
• M9: 11,913,825 km (0.115 R)
• M10: 13,331,564 km (0.089 R)
• M11: 15,452,562 km (0.054 R)
• M12: 16,688,241 km (0.111 R)
• M13: 17,988,695 km (0.104 R)
• M14: 19,145,984 km (0.082 R)
• M15: 23,310,191 km (0.099 R)
• M16: 23,789,353 km (0.079 R)
• M17: 24,933,028 km (0.072 R)
• M18: 28,674,770 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544.2

Radius: 7.9

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.04 AU - 7.84 AU

Year: 10898 Days

Day: 16.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,950,238 km

• M1: 98,286 km (0.106 R)
• M2: 738,714 km (0.045 R)
• M3: 1,278,314 km (0.086 R)
• M4: 1,991,447 km (0.117 R)
• M5: 2,672,566 km (0.097 R)
• M6: 4,013,561 km (0.109 R)
• M7: 5,384,626 km (0.06 R)
• M8: 7,692,921 km (0.086 R)
• M9: 8,381,669 km (0.12 R)
• M10: 9,252,030 km (0.09 R)
• M11: 12,110,995 km (0.115 R)
• M12: 14,591,328 km (0.114 R)
• M13: 18,199,778 km (0.073 R)
• M14: 21,600,437 km (0.064 R)
• M15: 22,106,377 km (0.053 R)
• M16: 22,967,013 km (0.117 R)
• M17: 23,939,399 km (0.073 R)
• M18: 27,707,321 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.1

Radius: 6.5

Gravity: 12.43 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.21 AU - 7.61 AU

Year: 13451 Days

Day: 23.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 36,950,238 km

• M1: 81,381 km (0.108 R)
• M2: 392,096 km (0.052 R)
• M3: 747,391 km (0.1 R)
• M4: 1,565,542 km (0.038 R)
• M5: 2,591,933 km (0.099 R)
• M6: 3,032,798 km (0.056 R)
• M7: 3,548,312 km (0.086 R)
• M8: 4,149,247 km (0.101 R)
• M9: 4,689,744 km (0.107 R)
• M10: 4,912,196 km (0.115 R)
• M11: 5,587,032 km (0.112 R)
• M12: 5,837,309 km (0.072 R)
• M13: 6,170,015 km (0.055 R)
• M14: 6,476,241 km (0.093 R)
• M15: 8,026,973 km (0.114 R)
• M16: 8,346,065 km (0.049 R)
• M17: 8,673,535 km (0.068 R)
• M18: 9,810,180 km (0.036 R)
• M19: 10,017,522 km (0.089 R)
• M20: 11,098,666 km (0.075 R)
• M21: 11,667,437 km (0.088 R)
• M22: 12,315,346 km (0.091 R)
• M23: 14,536,724 km (0.085 R)
• M24: 16,062,024 km (0.093 R)
• M25: 16,937,471 km (0.073 R)
• M26: 20,002,582 km (0.114 R)
• M27: 21,447,398 km (0.102 R)
• M28: 24,925,698 km (0.1 R)
• M29: 31,829,041 km (0.106 R)
• M30: 33,675,827 km (0.106 R)
• M31: 37,328,708 km (0.075 R)
• M32: 37,707,938 km (0.092 R)
• M33: 40,834,833 km (0.077 R)
• M34: 42,598,592 km (0.096 R)
• M35: 43,012,679 km (0.112 R)
• M36: 45,266,969 km (0.102 R)
• M37: 47,008,438 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.2

Radius: 4.6

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 8.06 AU - 10.04 AU

Year: 18155 Days

Day: 18.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,950,238 km

• M1: 57,296 km (0.083 R)
• M2: 444,754 km (0.052 R)
• M3: 911,201 km (0.041 R)
• M4: 1,532,929 km (0.112 R)
• M5: 2,829,793 km (0.103 R)
• M6: 3,601,569 km (0.089 R)
• M7: 4,061,283 km (0.101 R)
• M8: 5,931,256 km (0.098 R)
• M9: 6,925,633 km (0.103 R)
• M10: 10,519,872 km (0.12 R)
• M11: 13,599,194 km (0.102 R)
• M12: 15,128,683 km (0.081 R)
• M13: 15,934,866 km (0.111 R)
• M14: 16,509,471 km (0.063 R)
• M15: 17,031,718 km (0.075 R)
• M16: 18,594,417 km (0.102 R)
• M17: 19,446,676 km (0.09 R)
• M18: 20,773,160 km (0.081 R)
• M19: 28,412,226 km (0.097 R)
• M20: 31,191,605 km (0.066 R)
• M21: 35,207,560 km (0.059 R)
• M22: 36,509,360 km (0.035 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 20,372 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit