🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.6

Radius: 13.4

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.5 AU - 0.78 AU

Year: 341 Days

Day: 13.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,520,935 km

• M1: 166,652 km (0.061 R)
• M2: 583,282 km (0.118 R)
• M3: 1,028,785 km (0.068 R)
• M4: 1,897,799 km (0.113 R)
• M5: 3,086,952 km (0.086 R)
• M6: 4,410,594 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724

Radius: 8.6

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.56 AU - 0.82 AU

Year: 382 Days

Day: 6.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,520,935 km

• M1: 106,962 km (0.104 R)
• M2: 419,472 km (0.089 R)
• M3: 972,087 km (0.109 R)
• M4: 1,346,231 km (0.114 R)
• M5: 1,711,998 km (0.057 R)
• M6: 3,784,377 km (0.064 R)
• M7: 4,662,966 km (0.076 R)
• M8: 5,491,289 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.5

Radius: 14.2

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.82 AU - 0.96 AU

Year: 560 Days

Day: 5 Hours

Environment

Temp: -169 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,520,935 km

• M1: 176,525 km (0.102 R)
• M2: 874,549 km (0.104 R)
• M3: 1,319,154 km (0.109 R)
• M4: 1,869,973 km (0.033 R)
• M5: 2,563,659 km (0.108 R)
• M6: 3,321,821 km (0.083 R)
• M7: 3,817,588 km (0.07 R)
• M8: 4,534,910 km (0.093 R)
• M9: 5,358,446 km (0.091 R)
• M10: 7,348,397 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.5

Radius: 8.1

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.04 AU - 2.24 AU

Year: 2088 Days

Day: 12.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,520,935 km

• M1: 100,829 km (0.112 R)
• M2: 371,302 km (0.093 R)
• M3: 669,600 km (0.032 R)
• M4: 1,082,341 km (0.113 R)
• M5: 1,449,304 km (0.076 R)
• M6: 1,835,566 km (0.107 R)
• M7: 2,802,716 km (0.075 R)
• M8: 3,469,324 km (0.12 R)
• M9: 5,239,665 km (0.047 R)
• M10: 5,628,769 km (0.111 R)
• M11: 7,014,943 km (0.084 R)
• M12: 8,556,549 km (0.041 R)
• M13: 9,755,427 km (0.096 R)
• M14: 10,311,781 km (0.119 R)
• M15: 12,520,893 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.5

Radius: 9.2

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.35 AU - 4.15 AU

Year: 4843 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 139.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,520,935 km

• M1: 114,442 km (0.102 R)
• M2: 423,811 km (0.095 R)
• M3: 905,217 km (0.114 R)
• M4: 1,451,698 km (0.084 R)
• M5: 1,840,203 km (0.106 R)
• M6: 2,875,720 km (0.117 R)
• M7: 4,704,105 km (0.114 R)
• M8: 5,320,747 km (0.106 R)
• M9: 5,761,313 km (0.118 R)
• M10: 6,332,478 km (0.096 R)
• M11: 7,377,718 km (0.092 R)
• M12: 7,832,795 km (0.06 R)
• M13: 9,035,861 km (0.114 R)
• M14: 9,663,723 km (0.087 R)
• M15: 11,162,993 km (0.075 R)
• M16: 12,092,295 km (0.111 R)
• M17: 12,469,581 km (0.075 R)
• M18: 12,941,413 km (0.087 R)
• M19: 13,875,352 km (0.058 R)
• M20: 15,141,249 km (0.06 R)
• M21: 16,380,368 km (0.096 R)
• M22: 17,208,243 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.1

Radius: 13.6

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.18 AU - 5.94 AU

Year: 8743 Days

Day: 14.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,520,935 km

• M1: 170,542 km (0.063 R)
• M2: 991,385 km (0.098 R)
• M3: 1,496,428 km (0.088 R)
• M4: 1,991,596 km (0.093 R)
• M5: 2,557,824 km (0.083 R)
• M6: 3,008,563 km (0.072 R)
• M7: 3,709,728 km (0.055 R)
• M8: 4,154,034 km (0.118 R)
• M9: 5,706,411 km (0.086 R)
• M10: 6,558,670 km (0.041 R)
• M11: 7,054,886 km (0.071 R)
• M12: 7,994,510 km (0.075 R)
• M13: 8,786,781 km (0.114 R)
• M14: 9,679,132 km (0.086 R)
• M15: 11,589,796 km (0.111 R)
• M16: 12,956,672 km (0.076 R)
• M17: 14,943,032 km (0.104 R)
• M18: 15,403,195 km (0.112 R)
• M19: 16,490,921 km (0.103 R)
• M20: 17,629,361 km (0.039 R)
• M21: 18,441,827 km (0.072 R)
• M22: 20,461,847 km (0.102 R)
• M23: 22,453,743 km (0.111 R)
• M24: 23,145,633 km (0.032 R)
• M25: 24,390,437 km (0.081 R)
• M26: 26,150,755 km (0.104 R)
• M27: 29,612,899 km (0.107 R)
• M28: 36,476,748 km (0.098 R)
• M29: 38,406,411 km (0.08 R)
• M30: 42,075,748 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.7

Radius: 5.7

Gravity: 27.38 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.45 AU - 9.95 AU

Year: 15659 Days

Day: 23.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,520,935 km

• M1: 78,688 km (0.069 R)
• M2: 285,732 km (0.081 R)
• M3: 651,499 km (0.115 R)
• M4: 916,885 km (0.088 R)
• M5: 1,211,743 km (0.037 R)
• M6: 2,231,252 km (0.058 R)
• M7: 2,672,267 km (0.084 R)
• M8: 4,647,707 km (0.086 R)
• M9: 4,890,953 km (0.069 R)
• M10: 5,594,362 km (0.083 R)
• M11: 6,447,967 km (0.073 R)
• M12: 8,258,251 km (0.117 R)
• M13: 8,877,138 km (0.076 R)
• M14: 12,980,906 km (0.093 R)
• M15: 13,959,277 km (0.082 R)
• M16: 14,320,256 km (0.037 R)
• M17: 15,440,744 km (0.114 R)
• M18: 17,024,088 km (0.086 R)
• M19: 19,958,899 km (0.089 R)
• M20: 21,641,426 km (0.092 R)
• M21: 21,833,959 km (0.118 R)
• M22: 22,222,614 km (0.113 R)
• M23: 24,547,215 km (0.116 R)
• M24: 28,273,100 km (0.079 R)
• M25: 29,084,369 km (0.101 R)
• M26: 29,318,939 km (0.087 R)
• M27: 34,150,202 km (0.056 R)
• M28: 37,372,390 km (0.103 R)
• M29: 41,826,966 km (0.111 R)
• M30: 45,037,486 km (0.106 R)
• M31: 51,428,906 km (0.114 R)
• M32: 56,555,325 km (0.094 R)
• M33: 62,595,489 km (0.089 R)
• M34: 64,767,351 km (0.047 R)
• M35: 65,167,525 km (0.115 R)
• M36: 66,175,067 km (0.079 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 17,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit