🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.7

Radius: 11.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.46 AU - 0.58 AU

Year: 259 Days

Day: 13.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,018,689 km

• M1: 145,559 km (0.096 R)
• M2: 568,771 km (0.077 R)
• M3: 1,033,871 km (0.073 R)
• M4: 1,407,716 km (0.095 R)
• M5: 2,905,490 km (0.091 R)
• M6: 3,354,283 km (0.103 R)
• M7: 3,748,773 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.5

Radius: 11.1

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.55 AU - 0.85 AU

Year: 404 Days

Day: 7 Hours

Environment

Temp: -152 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,018,689 km

• M1: 138,827 km (0.08 R)
• M2: 490,980 km (0.108 R)
• M3: 862,133 km (0.107 R)
• M4: 1,244,654 km (0.075 R)
• M5: 1,699,282 km (0.075 R)
• M6: 2,211,655 km (0.076 R)
• M7: 2,586,398 km (0.074 R)
• M8: 3,134,524 km (0.118 R)
• M9: 4,161,214 km (0.096 R)
• M10: 4,535,059 km (0.09 R)
• M11: 5,398,987 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.7

Radius: 11.8

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.17 AU - 1.27 AU

Year: 930 Days

Day: 5.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,018,689 km

• M1: 146,756 km (0.054 R)
• M2: 529,427 km (0.057 R)
• M3: 946,955 km (0.107 R)
• M4: 1,495,829 km (0.1 R)
• M5: 2,007,304 km (0.065 R)
• M6: 2,463,279 km (0.096 R)
• M7: 3,466,631 km (0.074 R)
• M8: 3,837,185 km (0.096 R)
• M9: 4,295,553 km (0.101 R)
• M10: 6,630,776 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.7

Radius: 8

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.6 AU - 2.12 AU

Year: 1751 Days

Day: 7.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 53.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,018,689 km

• M1: 136,732 km (0.109 R)
• M2: 459,415 km (0.055 R)
• M3: 1,040,453 km (0.091 R)
• M4: 1,381,536 km (0.09 R)
• M5: 2,404,935 km (0.086 R)
• M6: 3,098,172 km (0.102 R)
• M7: 3,362,063 km (0.112 R)
• M8: 3,657,967 km (0.107 R)
• M9: 4,043,331 km (0.074 R)
• M10: 4,752,425 km (0.035 R)
• M11: 5,932,603 km (0.119 R)
• M12: 7,243,080 km (0.066 R)
• M13: 8,345,467 km (0.082 R)
• M14: 10,424,877 km (0.071 R)
• M15: 11,714,261 km (0.052 R)
• M16: 12,281,686 km (0.115 R)
• M17: 12,906,855 km (0.046 R)
• M18: 13,594,258 km (0.115 R)
• M19: 13,884,328 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.6

Radius: 12.9

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.66 AU - 2.96 AU

Year: 3251 Days

Day: 13.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,018,689 km

• M1: 160,519 km (0.082 R)
• M2: 729,738 km (0.113 R)
• M3: 1,355,058 km (0.104 R)
• M4: 2,061,758 km (0.116 R)
• M5: 2,501,127 km (0.079 R)
• M6: 3,108,345 km (0.097 R)
• M7: 3,853,342 km (0.117 R)
• M8: 4,574,104 km (0.037 R)
• M9: 5,279,907 km (0.108 R)
• M10: 6,001,418 km (0.044 R)
• M11: 7,317,131 km (0.092 R)
• M12: 8,284,281 km (0.036 R)
• M13: 9,110,510 km (0.115 R)
• M14: 11,011,151 km (0.098 R)
• M15: 11,525,020 km (0.1 R)
• M16: 13,021,447 km (0.092 R)
• M17: 20,444,195 km (0.112 R)
• M18: 21,884,822 km (0.111 R)
• M19: 22,767,150 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.8

Radius: 5.8

Gravity: 16.64 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.14 AU - 10.9 AU

Year: 18699 Days

Day: 19.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,018,689 km

• M1: 72,705 km (0.107 R)
• M2: 262,544 km (0.113 R)
• M3: 509,381 km (0.077 R)
• M4: 976,575 km (0.041 R)
• M5: 1,172,548 km (0.042 R)
• M6: 1,380,040 km (0.112 R)
• M7: 1,579,754 km (0.079 R)
• M8: 2,257,133 km (0.102 R)
• M9: 3,712,870 km (0.119 R)
• M10: 4,102,722 km (0.066 R)
• M11: 4,291,514 km (0.118 R)
• M12: 4,720,860 km (0.117 R)
• M13: 6,059,611 km (0.066 R)
• M14: 6,599,959 km (0.116 R)
• M15: 7,871,840 km (0.115 R)
• M16: 10,830,886 km (0.104 R)
• M17: 12,788,224 km (0.083 R)
• M18: 14,026,895 km (0.084 R)
• M19: 15,646,890 km (0.099 R)
• M20: 17,387,611 km (0.103 R)
• M21: 22,587,782 km (0.094 R)
• M22: 24,390,886 km (0.093 R)
• M23: 24,804,225 km (0.084 R)
• M24: 25,751,329 km (0.042 R)
• M25: 31,822,758 km (0.091 R)
• M26: 36,449,820 km (0.061 R)
• M27: 39,914,357 km (0.083 R)
• M28: 40,200,688 km (0.076 R)
• M29: 41,652,685 km (0.042 R)
• M30: 44,661,098 km (0.101 R)
• M31: 47,650,213 km (0.106 R)
• M32: 54,373,590 km (0.085 R)
• M33: 60,941,535 km (0.055 R)
• M34: 62,469,528 km (0.053 R)
• M35: 65,801,072 km (0.108 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: 193 - 19,734 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit