🌌 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: 644.9

Radius: 10.7

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.53 AU - 0.55 AU

Year: 269 Days

Day: 7.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,545,162 km

• M1: 133,142 km (0.075 R)
• M2: 483,500 km (0.036 R)
• M3: 824,135 km (0.1 R)
• M4: 1,204,263 km (0.063 R)
• M5: 1,762,113 km (0.039 R)
• M6: 2,163,036 km (0.086 R)
• M7: 2,503,371 km (0.065 R)
• M8: 3,314,790 km (0.111 R)
• M9: 3,955,368 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.4

Radius: 9.5

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.75 AU - 1.21 AU

Year: 658 Days

Day: 7 Hours

Environment

Temp: -181 °C

Axial Tilt: 158.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,545,162 km

• M1: 119,977 km (0.052 R)
• M2: 493,823 km (0.059 R)
• M3: 853,007 km (0.088 R)
• M4: 1,172,548 km (0.115 R)
• M5: 1,529,638 km (0.082 R)
• M6: 2,156,603 km (0.055 R)
• M7: 2,529,999 km (0.042 R)
• M8: 4,161,514 km (0.112 R)
• M9: 4,617,039 km (0.037 R)
• M10: 5,207,502 km (0.062 R)
• M11: 5,847,482 km (0.113 R)
• M12: 6,740,282 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.5

Radius: 10.4

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.11 AU - 1.23 AU

Year: 858 Days

Day: 11.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,545,162 km

• M1: 129,402 km (0.055 R)
• M2: 478,115 km (0.118 R)
• M3: 839,693 km (0.093 R)
• M4: 1,166,115 km (0.091 R)
• M5: 1,609,374 km (0.062 R)
• M6: 1,960,031 km (0.069 R)
• M7: 2,461,035 km (0.107 R)
• M8: 2,886,042 km (0.119 R)
• M9: 3,802,479 km (0.057 R)
• M10: 4,210,881 km (0.046 R)
• M11: 4,601,631 km (0.104 R)
• M12: 5,776,273 km (0.098 R)
• M13: 6,183,778 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664

Radius: 9.3

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.46 AU - 5.38 AU

Year: 7402 Days

Day: 14.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,545,162 km

• M1: 116,836 km (0.068 R)
• M2: 644,019 km (0.086 R)
• M3: 1,906,326 km (0.092 R)
• M4: 3,149,933 km (0.106 R)
• M5: 5,159,331 km (0.098 R)
• M6: 7,863,612 km (0.107 R)
• M7: 8,391,693 km (0.044 R)
• M8: 11,651,580 km (0.075 R)
• M9: 12,719,110 km (0.093 R)
• M10: 16,118,273 km (0.119 R)
• M11: 17,104,422 km (0.042 R)
• M12: 18,980,230 km (0.107 R)
• M13: 24,560,380 km (0.086 R)
• M14: 26,579,353 km (0.106 R)
• M15: 27,675,456 km (0.103 R)
• M16: 28,801,480 km (0.101 R)
• M17: 33,087,907 km (0.058 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223.4

Radius: 7.4

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 6.56 AU - 7.98 AU

Year: 13295 Days

Day: 16.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,545,162 km

• M1: 92,302 km (0.106 R)
• M2: 684,560 km (0.096 R)
• M3: 1,384,079 km (0.093 R)
• M4: 1,918,144 km (0.111 R)
• M5: 3,482,339 km (0.08 R)
• M6: 3,940,857 km (0.099 R)
• M7: 5,007,639 km (0.075 R)
• M8: 5,818,460 km (0.095 R)
• M9: 6,152,661 km (0.111 R)
• M10: 7,737,800 km (0.053 R)
• M11: 8,391,543 km (0.109 R)
• M12: 13,685,213 km (0.116 R)
• M13: 15,321,964 km (0.094 R)
• M14: 15,959,998 km (0.038 R)
• M15: 17,980,617 km (0.074 R)
• M16: 19,198,194 km (0.044 R)
• M17: 23,513,943 km (0.111 R)
• M18: 31,084,343 km (0.1 R)
• M19: 32,729,621 km (0.114 R)
• M20: 34,324,035 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.1

Radius: 5

Gravity: 19.16 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.54 AU - 9.42 AU

Year: 18252 Days

Day: 18.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,545,162 km

• M1: 62,233 km (0.068 R)
• M2: 267,930 km (0.095 R)
• M3: 432,487 km (0.078 R)
• M4: 633,397 km (0.12 R)
• M5: 1,578,706 km (0.097 R)
• M6: 1,793,379 km (0.088 R)
• M7: 2,027,500 km (0.104 R)
• M8: 2,322,956 km (0.085 R)
• M9: 2,579,366 km (0.067 R)
• M10: 4,698,570 km (0.034 R)
• M11: 6,322,305 km (0.069 R)
• M12: 6,908,878 km (0.084 R)
• M13: 8,335,593 km (0.037 R)
• M14: 9,674,793 km (0.075 R)
• M15: 15,265,266 km (0.065 R)
• M16: 16,860,428 km (0.109 R)
• M17: 21,190,090 km (0.08 R)
• M18: 24,859,725 km (0.072 R)
• M19: 29,157,373 km (0.027 R)
• M20: 30,188,102 km (0.102 R)
• M21: 31,124,585 km (0.079 R)
• M22: 34,809,181 km (0.108 R)
• M23: 37,420,711 km (0.1 R)
• M24: 38,500,807 km (0.079 R)
• M25: 38,774,123 km (0.057 R)
• M26: 46,650,450 km (0.115 R)
• M27: 47,116,897 km (0.084 R)
• M28: 49,013,648 km (0.111 R)
• M29: 52,286,849 km (0.114 R)
• M30: 52,958,544 km (0.119 R)
• M31: 53,296,635 km (0.076 R)
• M32: 62,786,376 km (0.115 R)
• M33: 63,545,136 km (0.06 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 17,902 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit