🌌 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: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.6

Radius: 8.6

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.49 AU - 0.77 AU

Year: 339 Days

Day: 14 Hours

Environment

Temp: -143 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,646,473 km

• M1: 106,962 km (0.108 R)
• M2: 480,209 km (0.094 R)
• M3: 898,934 km (0.053 R)
• M4: 1,760,917 km (0.077 R)
• M5: 2,288,847 km (0.098 R)
• M6: 2,665,086 km (0.048 R)
• M7: 2,938,701 km (0.053 R)
• M8: 3,231,015 km (0.099 R)
• M9: 3,729,924 km (0.08 R)
• M10: 4,345,220 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.5

Radius: 13.5

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.1 AU - 3.5 AU

Year: 3178 Days

Day: 9.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,646,473 km

• M1: 167,849 km (0.115 R)
• M2: 616,642 km (0.064 R)
• M3: 1,143,825 km (0.071 R)
• M4: 1,872,217 km (0.12 R)
• M5: 2,376,961 km (0.048 R)
• M6: 2,910,127 km (0.087 R)
• M7: 3,666,644 km (0.03 R)
• M8: 5,744,409 km (0.084 R)
• M9: 6,255,734 km (0.098 R)
• M10: 7,578,179 km (0.052 R)
• M11: 8,515,111 km (0.117 R)
• M12: 9,045,734 km (0.113 R)
• M13: 10,246,706 km (0.057 R)
• M14: 12,621,872 km (0.119 R)
• M15: 14,165,871 km (0.118 R)
• M16: 15,733,956 km (0.105 R)
• M17: 16,945,100 km (0.095 R)

Asteroid Belt

Center: 3.1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.1

Radius: 8.3

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.88 AU - 3.9 AU

Year: 4233 Days

Day: 9.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,646,473 km

• M1: 103,522 km (0.095 R)
• M2: 533,167 km (0.119 R)
• M3: 1,021,903 km (0.119 R)
• M4: 1,496,876 km (0.12 R)
• M5: 1,786,049 km (0.09 R)
• M6: 2,290,792 km (0.084 R)
• M7: 2,834,132 km (0.052 R)
• M8: 3,563,272 km (0.09 R)
• M9: 4,062,031 km (0.092 R)
• M10: 4,680,917 km (0.115 R)
• M11: 5,039,503 km (0.106 R)
• M12: 8,869,658 km (0.087 R)
• M13: 10,202,724 km (0.069 R)
• M14: 13,720,518 km (0.105 R)
• M15: 14,725,666 km (0.091 R)
• M16: 17,665,115 km (0.088 R)
• M17: 18,346,982 km (0.078 R)
• M18: 21,181,114 km (0.031 R)
• M19: 23,842,909 km (0.098 R)
• M20: 25,526,932 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.8

Radius: 14.8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.89 AU - 5.83 AU

Year: 7267 Days

Day: 5.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,646,473 km

• M1: 184,005 km (0.106 R)
• M2: 762,500 km (0.034 R)
• M3: 1,288,337 km (0.07 R)
• M4: 1,953,000 km (0.042 R)
• M5: 3,007,067 km (0.107 R)
• M6: 3,736,207 km (0.103 R)
• M7: 4,581,435 km (0.061 R)
• M8: 5,550,829 km (0.118 R)
• M9: 6,119,450 km (0.092 R)
• M10: 7,064,610 km (0.043 R)
• M11: 7,938,561 km (0.119 R)
• M12: 8,402,015 km (0.102 R)
• M13: 12,563,678 km (0.111 R)
• M14: 16,335,639 km (0.087 R)
• M15: 17,297,703 km (0.1 R)
• M16: 18,737,133 km (0.117 R)
• M17: 20,647,049 km (0.112 R)
• M18: 22,852,272 km (0.045 R)
• M19: 23,621,055 km (0.119 R)
• M20: 26,123,827 km (0.095 R)
• M21: 28,308,106 km (0.12 R)
• M22: 29,095,589 km (0.094 R)
• M23: 31,967,719 km (0.089 R)
• M24: 36,276,287 km (0.059 R)
• M25: 38,509,334 km (0.108 R)
• M26: 39,598,556 km (0.088 R)
• M27: 40,583,808 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.1

Radius: 14.7

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.97 AU - 5.75 AU

Year: 7267 Days

Day: 11.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,646,473 km

• M1: 183,407 km (0.034 R)
• M2: 655,239 km (0.11 R)
• M3: 1,153,549 km (0.075 R)
• M4: 1,728,304 km (0.112 R)
• M5: 2,510,103 km (0.116 R)
• M6: 3,301,625 km (0.03 R)
• M7: 4,073,101 km (0.095 R)
• M8: 5,039,653 km (0.063 R)
• M9: 6,834,379 km (0.114 R)
• M10: 7,393,875 km (0.11 R)
• M11: 7,983,889 km (0.119 R)
• M12: 8,985,746 km (0.1 R)
• M13: 14,532,685 km (0.119 R)
• M14: 25,288,772 km (0.107 R)
• M15: 25,994,126 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.8

Radius: 6.6

Gravity: 18.71 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.59 AU - 8.77 AU

Year: 13049 Days

Day: 18.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,646,473 km

• M1: 83,027 km (0.109 R)
• M2: 459,415 km (0.076 R)
• M3: 718,219 km (0.091 R)
• M4: 1,171,351 km (0.083 R)
• M5: 1,454,839 km (0.118 R)
• M6: 1,851,722 km (0.112 R)
• M7: 2,104,094 km (0.076 R)
• M8: 2,462,531 km (0.1 R)
• M9: 2,978,942 km (0.049 R)
• M10: 3,327,206 km (0.074 R)
• M11: 6,290,142 km (0.072 R)
• M12: 8,210,829 km (0.111 R)
• M13: 8,548,920 km (0.11 R)
• M14: 9,304,389 km (0.099 R)
• M15: 10,324,198 km (0.084 R)
• M16: 11,005,616 km (0.094 R)
• M17: 15,443,437 km (0.114 R)
• M18: 15,884,302 km (0.078 R)
• M19: 17,415,137 km (0.116 R)
• M20: 20,855,738 km (0.108 R)
• M21: 24,032,150 km (0.077 R)
• M22: 33,231,671 km (0.083 R)
• M23: 40,377,961 km (0.072 R)
• M24: 42,490,882 km (0.116 R)
• M25: 43,211,345 km (0.087 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 14,125 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit