🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.1

Radius: 12.4

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.08 AU - 1.3 AU

Year: 852 Days

Day: 13.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,773,704 km

• M1: 154,535 km (0.118 R)
• M2: 738,864 km (0.109 R)
• M3: 1,176,138 km (0.089 R)
• M4: 1,602,193 km (0.094 R)
• M5: 2,112,322 km (0.097 R)
• M6: 4,831,562 km (0.109 R)
• M7: 6,842,307 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.2

Radius: 10.1

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.77 AU - 2.03 AU

Year: 1718 Days

Day: 10.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,773,704 km

• M1: 125,662 km (0.096 R)
• M2: 651,200 km (0.113 R)
• M3: 1,025,493 km (0.118 R)
• M4: 1,499,719 km (0.054 R)
• M5: 1,915,451 km (0.096 R)
• M6: 2,616,467 km (0.088 R)
• M7: 3,117,171 km (0.109 R)
• M8: 3,801,282 km (0.095 R)
• M9: 4,503,943 km (0.099 R)
• M10: 5,096,500 km (0.116 R)
• M11: 5,648,217 km (0.082 R)
• M12: 6,069,934 km (0.091 R)
• M13: 7,657,466 km (0.082 R)
• M14: 8,174,776 km (0.108 R)
• M15: 9,247,392 km (0.052 R)
• M16: 10,171,010 km (0.074 R)
• M17: 10,725,719 km (0.087 R)
• M18: 12,355,737 km (0.117 R)
• M19: 13,148,755 km (0.057 R)
• M20: 14,272,834 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.5

Radius: 8.1

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.27 AU - 2.55 AU

Year: 2454 Days

Day: 7.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,773,704 km

• M1: 101,427 km (0.116 R)
• M2: 359,334 km (0.084 R)
• M3: 659,427 km (0.077 R)
• M4: 1,267,842 km (0.107 R)
• M5: 1,638,097 km (0.103 R)
• M6: 2,041,861 km (0.072 R)
• M7: 2,342,403 km (0.068 R)
• M8: 2,952,164 km (0.043 R)
• M9: 3,234,306 km (0.087 R)
• M10: 3,552,650 km (0.104 R)
• M11: 4,170,789 km (0.109 R)
• M12: 4,995,522 km (0.085 R)
• M13: 5,619,644 km (0.086 R)
• M14: 6,002,764 km (0.104 R)
• M15: 6,513,042 km (0.095 R)
• M16: 8,545,629 km (0.051 R)
• M17: 9,472,986 km (0.073 R)
• M18: 10,314,624 km (0.074 R)
• M19: 11,165,387 km (0.117 R)
• M20: 12,357,233 km (0.106 R)
• M21: 12,918,225 km (0.062 R)
• M22: 15,186,129 km (0.11 R)
• M23: 16,234,810 km (0.09 R)
• M24: 17,224,400 km (0.055 R)
• M25: 17,978,971 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.9

Radius: 10.4

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.87 AU - 3.47 AU

Year: 3703 Days

Day: 5.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,773,704 km

• M1: 129,402 km (0.051 R)
• M2: 483,201 km (0.099 R)
• M3: 1,107,024 km (0.119 R)
• M4: 1,935,348 km (0.092 R)
• M5: 2,431,713 km (0.11 R)
• M6: 4,402,665 km (0.089 R)
• M7: 7,137,464 km (0.117 R)
• M8: 7,816,339 km (0.072 R)
• M9: 8,154,430 km (0.056 R)
• M10: 9,798,661 km (0.086 R)
• M11: 10,678,446 km (0.068 R)
• M12: 11,653,525 km (0.119 R)
• M13: 12,140,466 km (0.116 R)
• M14: 15,195,105 km (0.051 R)
• M15: 15,669,629 km (0.026 R)
• M16: 17,725,553 km (0.094 R)
• M17: 18,788,146 km (0.076 R)
• M18: 19,151,669 km (0.073 R)
• M19: 20,018,140 km (0.077 R)
• M20: 20,652,734 km (0.092 R)
• M21: 21,497,812 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444

Radius: 6.2

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.52 AU - 7.34 AU

Year: 9473 Days

Day: 22.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,773,704 km

• M1: 77,940 km (0.059 R)
• M2: 446,998 km (0.103 R)
• M3: 671,545 km (0.086 R)
• M4: 1,031,029 km (0.117 R)
• M5: 1,266,795 km (0.108 R)
• M6: 1,760,169 km (0.074 R)
• M7: 3,387,045 km (0.026 R)
• M8: 3,989,626 km (0.105 R)
• M9: 7,241,734 km (0.101 R)
• M10: 8,031,162 km (0.073 R)
• M11: 9,687,210 km (0.084 R)
• M12: 12,578,638 km (0.072 R)
• M13: 12,800,940 km (0.09 R)
• M14: 18,810,586 km (0.097 R)
• M15: 19,174,557 km (0.108 R)
• M16: 20,987,384 km (0.088 R)
• M17: 28,325,010 km (0.119 R)
• M18: 29,481,851 km (0.101 R)
• M19: 38,591,613 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.6

Radius: 7.1

Gravity: 11.2 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.35 AU - 8.25 AU

Year: 11632 Days

Day: 19.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,773,704 km

• M1: 94,546 km (0.107 R)
• M2: 574,605 km (0.095 R)
• M3: 930,648 km (0.108 R)
• M4: 2,854,327 km (0.087 R)
• M5: 3,360,267 km (0.061 R)
• M6: 3,660,510 km (0.072 R)
• M7: 4,700,963 km (0.107 R)
• M8: 6,748,210 km (0.118 R)
• M9: 7,025,116 km (0.072 R)
• M10: 8,709,438 km (0.102 R)
• M11: 10,806,352 km (0.115 R)
• M12: 12,974,474 km (0.089 R)
• M13: 13,652,451 km (0.078 R)
• M14: 15,690,573 km (0.09 R)
• M15: 19,550,497 km (0.097 R)
• M16: 20,114,182 km (0.039 R)
• M17: 23,096,565 km (0.104 R)
• M18: 28,872,688 km (0.043 R)
• M19: 30,239,863 km (0.077 R)
• M20: 30,993,687 km (0.088 R)
• M21: 34,599,594 km (0.069 R)
• M22: 37,112,240 km (0.105 R)
• M23: 37,604,118 km (0.102 R)
• M24: 43,578,907 km (0.042 R)
• M25: 47,798,464 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 17

Radius: 6.4

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.76 AU - 8.4 AU

Year: 12358 Days

Day: 15 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,773,704 km

• M1: 93,349 km (0.094 R)
• M2: 503,546 km (0.118 R)
• M3: 720,463 km (0.088 R)
• M4: 1,500,915 km (0.117 R)
• M5: 3,806,368 km (0.108 R)
• M6: 6,784,862 km (0.1 R)
• M7: 10,093,518 km (0.108 R)
• M8: 12,272,860 km (0.079 R)
• M9: 13,772,878 km (0.085 R)
• M10: 15,391,078 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.3

Radius: 7.1

Gravity: 16.75 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.55 AU - 12.45 AU

Year: 22320 Days

Day: 18.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,773,704 km

• M1: 88,263 km (0.076 R)
• M2: 339,438 km (0.09 R)
• M3: 608,265 km (0.112 R)
• M4: 1,169,107 km (0.117 R)
• M5: 1,611,767 km (0.1 R)
• M6: 2,675,408 km (0.048 R)
• M7: 3,880,120 km (0.077 R)
• M8: 5,784,800 km (0.09 R)
• M9: 6,310,337 km (0.076 R)
• M10: 7,456,257 km (0.089 R)
• M11: 7,972,519 km (0.106 R)
• M12: 13,216,673 km (0.066 R)
• M13: 15,322,861 km (0.1 R)
• M14: 17,553,216 km (0.114 R)
• M15: 19,991,212 km (0.097 R)
• M16: 20,286,369 km (0.081 R)
• M17: 22,013,775 km (0.102 R)
• M18: 24,057,881 km (0.054 R)
• M19: 25,527,381 km (0.05 R)
• M20: 26,108,120 km (0.107 R)
• M21: 33,919,821 km (0.106 R)
• M22: 37,080,525 km (0.114 R)
• M23: 40,904,546 km (0.08 R)
• M24: 51,689,505 km (0.03 R)
• M25: 54,701,957 km (0.091 R)
• M26: 59,032,367 km (0.12 R)
• M27: 59,436,880 km (0.057 R)
• M28: 61,488,016 km (0.12 R)
• M29: 64,438,086 km (0.12 R)
• M30: 64,866,983 km (0.095 R)
• M31: 77,666,727 km (0.093 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 17,729 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit