🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.2

Radius: 10.3

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.53 AU - 0.53 AU

Year: 262 Days

Day: 7 Hours

Environment

Temp: -139 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 83,655,079 km

• M1: 129,253 km (0.107 R)
• M2: 475,572 km (0.108 R)
• M3: 819,198 km (0.116 R)
• M4: 1,549,385 km (0.035 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.6

Radius: 9.3

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.73 AU - 0.87 AU

Year: 485 Days

Day: 11.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,655,079 km

• M1: 117,883 km (0.112 R)
• M2: 455,526 km (0.107 R)
• M3: 1,084,285 km (0.071 R)
• M4: 1,648,269 km (0.113 R)
• M5: 2,024,957 km (0.068 R)
• M6: 4,513,667 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.8

Radius: 8.5

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.3 AU - 1.52 AU

Year: 1136 Days

Day: 12.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,655,079 km

• M1: 105,766 km (0.057 R)
• M2: 396,883 km (0.104 R)
• M3: 727,794 km (0.056 R)
• M4: 1,070,672 km (0.077 R)
• M5: 1,506,002 km (0.031 R)
• M6: 1,778,419 km (0.103 R)
• M7: 2,170,665 km (0.073 R)
• M8: 2,849,540 km (0.116 R)
• M9: 3,257,942 km (0.103 R)
• M10: 4,010,569 km (0.109 R)
• M11: 4,460,111 km (0.075 R)
• M12: 4,823,185 km (0.106 R)
• M13: 6,012,787 km (0.078 R)
• M14: 6,415,505 km (0.11 R)
• M15: 7,207,775 km (0.092 R)
• M16: 7,826,063 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.7

Radius: 10

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.26 AU - 4 AU

Year: 4691 Days

Day: 10.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,655,079 km

• M1: 137,181 km (0.046 R)
• M2: 463,305 km (0.105 R)
• M3: 1,012,628 km (0.039 R)
• M4: 1,795,773 km (0.042 R)
• M5: 2,994,501 km (0.09 R)
• M6: 4,613,000 km (0.112 R)
• M7: 5,936,193 km (0.07 R)
• M8: 7,530,458 km (0.071 R)
• M9: 8,191,830 km (0.098 R)
• M10: 9,275,218 km (0.092 R)
• M11: 11,141,750 km (0.087 R)
• M12: 12,046,817 km (0.072 R)
• M13: 13,798,608 km (0.103 R)
• M14: 16,793,259 km (0.045 R)
• M15: 17,144,066 km (0.099 R)
• M16: 20,196,012 km (0.115 R)
• M17: 21,815,409 km (0.081 R)
• M18: 23,374,219 km (0.07 R)
• M19: 25,158,173 km (0.026 R)
• M20: 25,695,080 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.1

Radius: 8.9

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.52 AU - 6.16 AU

Year: 8370 Days

Day: 13.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,655,079 km

• M1: 112,198 km (0.083 R)
• M2: 389,403 km (0.084 R)
• M3: 878,738 km (0.073 R)
• M4: 2,188,617 km (0.098 R)
• M5: 2,979,242 km (0.037 R)
• M6: 3,874,585 km (0.054 R)
• M7: 4,411,641 km (0.035 R)
• M8: 5,890,267 km (0.045 R)
• M9: 6,461,132 km (0.096 R)
• M10: 7,713,266 km (0.12 R)
• M11: 8,110,449 km (0.083 R)
• M12: 8,903,018 km (0.116 R)
• M13: 11,184,386 km (0.083 R)
• M14: 11,954,366 km (0.106 R)
• M15: 13,887,918 km (0.042 R)
• M16: 15,703,737 km (0.117 R)
• M17: 16,472,521 km (0.105 R)
• M18: 16,998,956 km (0.061 R)
• M19: 19,073,130 km (0.029 R)
• M20: 21,079,387 km (0.113 R)
• M21: 24,135,672 km (0.087 R)
• M22: 25,857,244 km (0.088 R)
• M23: 33,670,292 km (0.114 R)
• M24: 36,366,794 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.7

Radius: 4.1

Gravity: 28.95 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 8.43 AU - 10.97 AU

Year: 20490 Days

Day: 19.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,655,079 km

• M1: 51,013 km (0.087 R)
• M2: 228,286 km (0.1 R)
• M3: 480,508 km (0.085 R)
• M4: 1,580,801 km (0.096 R)
• M5: 5,232,634 km (0.089 R)
• M6: 5,571,324 km (0.117 R)
• M7: 6,806,254 km (0.11 R)
• M8: 9,971,446 km (0.112 R)
• M9: 10,847,940 km (0.094 R)
• M10: 12,355,438 km (0.077 R)
• M11: 13,573,763 km (0.082 R)
• M12: 14,869,879 km (0.099 R)
• M13: 15,093,677 km (0.082 R)
• M14: 15,933,370 km (0.115 R)
• M15: 19,338,218 km (0.108 R)
• M16: 19,515,641 km (0.099 R)
• M17: 20,881,619 km (0.089 R)
• M18: 22,701,776 km (0.065 R)
• M19: 23,398,154 km (0.085 R)
• M20: 24,314,292 km (0.103 R)
• M21: 25,679,372 km (0.055 R)
• M22: 35,618,954 km (0.115 R)
• M23: 39,049,831 km (0.054 R)
• M24: 45,142,504 km (0.106 R)
• M25: 47,038,657 km (0.042 R)
• M26: 47,199,026 km (0.081 R)
• M27: 48,658,652 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.6

Radius: 6.8

Gravity: 18.24 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.95 AU - 11.63 AU

Year: 20776 Days

Day: 24 Hours

Environment

Temp: -241 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 83,655,079 km

• M1: 85,121 km (0.115 R)
• M2: 323,879 km (0.067 R)
• M3: 685,308 km (0.058 R)
• M4: 1,374,804 km (0.059 R)
• M5: 1,803,702 km (0.069 R)
• M6: 2,979,990 km (0.069 R)
• M7: 3,667,691 km (0.065 R)
• M8: 4,670,296 km (0.113 R)
• M9: 5,595,110 km (0.066 R)
• M10: 6,499,878 km (0.104 R)
• M11: 7,203,437 km (0.094 R)
• M12: 8,113,291 km (0.09 R)
• M13: 8,872,351 km (0.086 R)
• M14: 9,154,642 km (0.101 R)
• M15: 9,677,785 km (0.103 R)
• M16: 12,108,452 km (0.093 R)
• M17: 15,889,388 km (0.061 R)
• M18: 18,226,257 km (0.069 R)
• M19: 20,389,741 km (0.094 R)
• M20: 21,583,831 km (0.06 R)
• M21: 22,823,848 km (0.094 R)
• M22: 23,461,434 km (0.07 R)
• M23: 24,110,689 km (0.113 R)
• M24: 26,828,284 km (0.056 R)
• M25: 30,248,839 km (0.117 R)
• M26: 34,224,702 km (0.08 R)
• M27: 36,481,086 km (0.114 R)
• M28: 37,206,187 km (0.118 R)
• M29: 40,820,472 km (0.106 R)
• M30: 42,234,022 km (0.063 R)
• M31: 44,497,288 km (0.11 R)
• M32: 59,596,949 km (0.08 R)
• M33: 60,602,247 km (0.104 R)
• M34: 64,314,817 km (0.083 R)
• M35: 70,163,645 km (0.045 R)
• M36: 71,059,138 km (0.065 R)
• M37: 71,284,283 km (0.07 R)
• M38: 73,791,543 km (0.075 R)
• M39: 74,253,651 km (0.106 R)
• M40: 77,066,989 km (0.116 R)
• M41: 79,465,043 km (0.114 R)
• M42: 81,418,940 km (0.117 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: 503 - 15,483 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit