🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.4

Radius: 13.5

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.61 AU - 0.63 AU

Year: 326 Days

Day: 6.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,008,354 km

• M1: 167,849 km (0.077 R)
• M2: 602,281 km (0.065 R)
• M3: 1,036,264 km (0.089 R)
• M4: 1,841,849 km (0.068 R)
• M5: 2,511,898 km (0.063 R)
• M6: 3,654,826 km (0.098 R)
• M7: 4,550,917 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.4

Radius: 11.9

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.88 AU - 1.24 AU

Year: 728 Days

Day: 9.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,008,354 km

• M1: 148,999 km (0.114 R)
• M2: 586,424 km (0.031 R)
• M3: 998,865 km (0.119 R)
• M4: 1,516,025 km (0.094 R)
• M5: 2,042,609 km (0.114 R)
• M6: 2,415,407 km (0.051 R)
• M7: 2,788,953 km (0.109 R)
• M8: 3,339,623 km (0.115 R)
• M9: 4,107,060 km (0.075 R)
• M10: 4,660,123 km (0.107 R)
• M11: 5,367,871 km (0.101 R)
• M12: 5,992,143 km (0.102 R)
• M13: 6,623,296 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.9

Radius: 8.3

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.83 AU - 3.03 AU

Year: 2526 Days

Day: 11.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,008,354 km

• M1: 103,223 km (0.109 R)
• M2: 444,455 km (0.07 R)
• M3: 709,692 km (0.109 R)
• M4: 1,101,340 km (0.12 R)
• M5: 1,841,550 km (0.114 R)
• M6: 2,286,603 km (0.091 R)
• M7: 3,054,789 km (0.067 R)
• M8: 3,462,892 km (0.077 R)
• M9: 4,103,021 km (0.108 R)
• M10: 5,068,675 km (0.103 R)
• M11: 6,073,823 km (0.064 R)
• M12: 6,364,791 km (0.079 R)
• M13: 7,353,184 km (0.071 R)
• M14: 8,024,879 km (0.108 R)
• M15: 8,311,059 km (0.117 R)
• M16: 9,631,560 km (0.09 R)
• M17: 10,700,287 km (0.069 R)
• M18: 11,805,067 km (0.092 R)
• M19: 12,639,674 km (0.093 R)
• M20: 13,379,585 km (0.082 R)
• M21: 13,737,572 km (0.112 R)
• M22: 14,286,447 km (0.034 R)
• M23: 14,849,982 km (0.097 R)
• M24: 15,575,083 km (0.108 R)
• M25: 16,578,436 km (0.087 R)
• M26: 17,253,272 km (0.084 R)
• M27: 17,517,611 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.6

Radius: 9.6

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.93 AU - 3.03 AU

Year: 3430 Days

Day: 7.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,008,354 km

• M1: 131,497 km (0.106 R)
• M2: 443,857 km (0.099 R)
• M3: 1,191,547 km (0.045 R)
• M4: 2,463,877 km (0.097 R)
• M5: 2,984,926 km (0.08 R)
• M6: 3,353,685 km (0.118 R)
• M7: 5,255,373 km (0.093 R)
• M8: 5,815,617 km (0.109 R)
• M9: 6,653,066 km (0.106 R)
• M10: 8,566,273 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.7

Radius: 10.6

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.53 AU - 3.75 AU

Year: 3710 Days

Day: 10.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,008,354 km

• M1: 131,796 km (0.06 R)
• M2: 547,528 km (0.077 R)
• M3: 911,350 km (0.107 R)
• M4: 1,415,196 km (0.069 R)
• M5: 2,233,197 km (0.116 R)
• M6: 2,740,932 km (0.109 R)
• M7: 3,440,601 km (0.117 R)
• M8: 3,915,126 km (0.109 R)
• M9: 4,314,103 km (0.108 R)
• M10: 5,966,412 km (0.098 R)
• M11: 7,535,544 km (0.114 R)
• M12: 8,369,552 km (0.072 R)
• M13: 9,803,148 km (0.08 R)
• M14: 11,092,533 km (0.118 R)
• M15: 11,973,664 km (0.109 R)
• M16: 14,224,962 km (0.041 R)
• M17: 14,716,092 km (0.07 R)
• M18: 15,732,161 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.5

Radius: 10.9

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.92 AU - 3.42 AU

Year: 3764 Days

Day: 12.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,008,354 km

• M1: 135,536 km (0.115 R)
• M2: 485,744 km (0.115 R)
• M3: 1,838,109 km (0.056 R)
• M4: 2,441,886 km (0.056 R)
• M5: 3,904,056 km (0.059 R)
• M6: 5,291,127 km (0.076 R)
• M7: 7,693,669 km (0.101 R)
• M8: 8,216,214 km (0.069 R)
• M9: 9,664,022 km (0.102 R)
• M10: 11,028,804 km (0.059 R)
• M11: 12,079,579 km (0.061 R)
• M12: 16,740,600 km (0.092 R)
• M13: 20,316,588 km (0.029 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.8

Radius: 12.6

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.9 AU - 3.96 AU

Year: 4236 Days

Day: 12.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,008,354 km

• M1: 156,629 km (0.068 R)
• M2: 584,030 km (0.055 R)
• M3: 1,248,245 km (0.09 R)
• M4: 2,710,863 km (0.025 R)
• M5: 5,040,551 km (0.077 R)
• M6: 5,896,550 km (0.083 R)
• M7: 12,652,090 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.9

Radius: 12.1

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.06 AU - 4.68 AU

Year: 5077 Days

Day: 8.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 33,008,354 km

• M1: 151,094 km (0.079 R)
• M2: 651,648 km (0.108 R)
• M3: 1,046,587 km (0.093 R)
• M4: 1,595,760 km (0.106 R)
• M5: 2,781,174 km (0.114 R)
• M6: 3,390,636 km (0.09 R)
• M7: 4,382,170 km (0.075 R)
• M8: 4,824,083 km (0.085 R)
• M9: 5,411,105 km (0.103 R)
• M10: 6,203,525 km (0.053 R)
• M11: 7,793,451 km (0.066 R)
• M12: 9,944,668 km (0.118 R)
• M13: 10,944,580 km (0.086 R)
• M14: 11,762,282 km (0.105 R)
• M15: 12,517,153 km (0.097 R)
• M16: 13,682,371 km (0.051 R)
• M17: 15,386,141 km (0.118 R)
• M18: 16,535,950 km (0.057 R)
• M19: 17,355,148 km (0.06 R)
• M20: 19,074,327 km (0.099 R)
• M21: 19,625,445 km (0.1 R)
• M22: 20,187,185 km (0.083 R)
• M23: 23,314,230 km (0.118 R)
• M24: 24,344,211 km (0.069 R)
• M25: 24,829,656 km (0.113 R)
• M26: 29,585,971 km (0.115 R)
• M27: 32,323,163 km (0.074 R)
• M28: 32,811,600 km (0.104 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 18,482 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit