🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.3

Radius: 14.2

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.71 AU - 0.89 AU

Year: 477 Days

Day: 14.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,056,853 km

• M1: 176,525 km (0.11 R)
• M2: 629,508 km (0.087 R)
• M3: 1,103,434 km (0.113 R)
• M4: 1,749,996 km (0.05 R)
• M5: 2,233,795 km (0.117 R)
• M6: 3,666,644 km (0.113 R)
• M7: 4,610,457 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518

Radius: 14

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.1 AU - 2.56 AU

Year: 2372 Days

Day: 11.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,056,853 km

• M1: 180,265 km (0.084 R)
• M2: 662,569 km (0.104 R)
• M3: 1,104,331 km (0.052 R)
• M4: 1,775,278 km (0.107 R)
• M5: 2,435,753 km (0.097 R)
• M6: 2,884,097 km (0.039 R)
• M7: 3,506,125 km (0.082 R)
• M8: 3,988,279 km (0.086 R)
• M9: 4,912,944 km (0.061 R)
• M10: 5,708,804 km (0.113 R)
• M11: 6,589,038 km (0.098 R)
• M12: 7,187,579 km (0.119 R)
• M13: 8,214,569 km (0.105 R)
• M14: 9,039,152 km (0.099 R)
• M15: 10,023,357 km (0.03 R)
• M16: 13,025,786 km (0.117 R)
• M17: 14,059,208 km (0.058 R)
• M18: 15,007,658 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.5

Radius: 8.1

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.73 AU - 5.13 AU

Year: 6218 Days

Day: 14.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,056,853 km

• M1: 100,679 km (0.081 R)
• M2: 364,121 km (0.07 R)
• M3: 858,393 km (0.103 R)
• M4: 1,384,678 km (0.071 R)
• M5: 1,809,835 km (0.114 R)
• M6: 2,090,181 km (0.112 R)
• M7: 2,664,188 km (0.084 R)
• M8: 3,472,167 km (0.092 R)
• M9: 5,181,023 km (0.111 R)
• M10: 6,662,341 km (0.075 R)
• M11: 7,977,755 km (0.059 R)
• M12: 8,434,178 km (0.051 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.3

Radius: 5.8

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.87 AU - 7.63 AU

Year: 13018 Days

Day: 22.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,056,853 km

• M1: 74,500 km (0.086 R)
• M2: 335,847 km (0.075 R)
• M3: 568,322 km (0.114 R)
• M4: 773,271 km (0.093 R)
• M5: 1,007,542 km (0.106 R)
• M6: 1,468,303 km (0.082 R)
• M7: 1,694,345 km (0.069 R)
• M8: 2,363,198 km (0.047 R)
• M9: 2,927,032 km (0.063 R)
• M10: 3,453,916 km (0.099 R)
• M11: 3,676,517 km (0.077 R)
• M12: 4,178,119 km (0.08 R)
• M13: 4,431,239 km (0.086 R)
• M14: 4,937,029 km (0.108 R)
• M15: 8,857,540 km (0.087 R)
• M16: 9,952,597 km (0.119 R)
• M17: 10,202,126 km (0.118 R)
• M18: 10,507,006 km (0.038 R)
• M19: 12,123,411 km (0.108 R)
• M20: 13,591,565 km (0.063 R)
• M21: 13,960,922 km (0.096 R)
• M22: 14,400,141 km (0.079 R)
• M23: 14,783,860 km (0.114 R)
• M24: 15,174,460 km (0.077 R)
• M25: 16,249,620 km (0.078 R)
• M26: 16,595,789 km (0.095 R)
• M27: 17,231,132 km (0.113 R)
• M28: 17,882,780 km (0.041 R)
• M29: 18,326,188 km (0.118 R)
• M30: 19,622,304 km (0.097 R)
• M31: 21,141,919 km (0.076 R)
• M32: 22,056,560 km (0.069 R)
• M33: 29,415,130 km (0.115 R)
• M34: 32,154,566 km (0.102 R)
• M35: 33,251,867 km (0.097 R)
• M36: 38,500,209 km (0.095 R)
• M37: 38,868,519 km (0.081 R)
• M38: 41,641,614 km (0.101 R)
• M39: 43,739,425 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.4

Radius: 3

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 7.11 AU - 11.63 AU

Year: 19127 Days

Day: 18.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,056,853 km

• M1: 37,399 km (0.104 R)
• M2: 254,915 km (0.115 R)
• M3: 510,428 km (0.116 R)
• M4: 1,010,683 km (0.066 R)
• M5: 1,261,110 km (0.103 R)
• M6: 2,350,631 km (0.118 R)
• M7: 3,390,935 km (0.089 R)
• M8: 4,478,811 km (0.119 R)
• M9: 4,790,573 km (0.108 R)
• M10: 5,520,760 km (0.106 R)
• M11: 6,080,705 km (0.067 R)
• M12: 7,235,899 km (0.104 R)
• M13: 8,317,941 km (0.095 R)
• M14: 9,688,108 km (0.048 R)
• M15: 11,252,901 km (0.068 R)
• M16: 12,921,965 km (0.056 R)
• M17: 15,436,406 km (0.036 R)
• M18: 16,540,588 km (0.082 R)
• M19: 20,395,575 km (0.102 R)
• M20: 26,683,473 km (0.084 R)
• M21: 26,958,733 km (0.1 R)
• M22: 32,037,132 km (0.094 R)
• M23: 32,244,175 km (0.064 R)
• M24: 36,463,583 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.6

Radius: 7.8

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 9.37 AU - 10.37 AU

Year: 20678 Days

Day: 24.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,056,853 km

• M1: 98,136 km (0.082 R)
• M2: 553,363 km (0.085 R)
• M3: 973,583 km (0.065 R)
• M4: 1,768,396 km (0.072 R)
• M5: 2,456,995 km (0.086 R)
• M6: 6,344,745 km (0.098 R)
• M7: 6,742,526 km (0.114 R)
• M8: 8,876,838 km (0.05 R)
• M9: 17,824,437 km (0.098 R)
• M10: 20,271,559 km (0.102 R)
• M11: 33,086,711 km (0.094 R)
• M12: 53,081,214 km (0.07 R)
• M13: 65,457,296 km (0.092 R)
• M14: 66,080,521 km (0.085 R)
• M15: 71,208,736 km (0.119 R)
• M16: 73,869,633 km (0.1 R)
• M17: 75,224,541 km (0.118 R)
• M18: 76,596,055 km (0.084 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 14,336 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit