🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.9

Radius: 14.1

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.81 AU - 1.23 AU

Year: 665 Days

Day: 9.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,387,984 km

• M1: 175,329 km (0.073 R)
• M2: 826,229 km (0.114 R)
• M3: 1,684,173 km (0.102 R)
• M4: 2,322,507 km (0.106 R)
• M5: 2,793,890 km (0.048 R)
• M6: 3,367,747 km (0.091 R)
• M7: 3,919,614 km (0.042 R)
• M8: 4,642,471 km (0.052 R)
• M9: 5,560,553 km (0.119 R)
• M10: 6,140,394 km (0.047 R)
• M11: 6,657,704 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.5

Radius: 9.3

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.05 AU - 1.25 AU

Year: 796 Days

Day: 6.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,387,984 km

• M1: 116,088 km (0.104 R)
• M2: 679,623 km (0.11 R)
• M3: 1,324,540 km (0.1 R)
• M4: 2,101,252 km (0.117 R)
• M5: 2,959,943 km (0.078 R)
• M6: 3,945,045 km (0.104 R)
• M7: 4,527,430 km (0.065 R)
• M8: 5,370,414 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.8

Radius: 12.3

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.85 AU - 2.33 AU

Year: 1951 Days

Day: 7.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,387,984 km

• M1: 153,338 km (0.095 R)
• M2: 681,269 km (0.094 R)
• M3: 1,077,404 km (0.12 R)
• M4: 1,529,040 km (0.06 R)
• M5: 1,948,363 km (0.112 R)
• M6: 2,787,607 km (0.094 R)
• M7: 4,152,837 km (0.108 R)
• M8: 4,690,342 km (0.113 R)
• M9: 5,747,550 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.4

Radius: 9.9

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.1 AU - 3.38 AU

Year: 2928 Days

Day: 7.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,387,984 km

• M1: 129,851 km (0.1 R)
• M2: 628,161 km (0.105 R)
• M3: 1,490,294 km (0.045 R)
• M4: 3,144,248 km (0.113 R)
• M5: 3,619,520 km (0.071 R)
• M6: 3,955,667 km (0.063 R)
• M7: 4,900,826 km (0.113 R)
• M8: 5,214,533 km (0.052 R)
• M9: 5,882,188 km (0.078 R)
• M10: 6,929,523 km (0.073 R)
• M11: 7,513,553 km (0.061 R)
• M12: 9,135,493 km (0.099 R)
• M13: 11,019,978 km (0.037 R)
• M14: 12,471,077 km (0.065 R)
• M15: 14,880,650 km (0.047 R)
• M16: 18,037,165 km (0.115 R)
• M17: 20,914,381 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.7

Radius: 11.6

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.28 AU - 4.34 AU

Year: 4802 Days

Day: 11.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,387,984 km

• M1: 144,212 km (0.066 R)
• M2: 549,174 km (0.047 R)
• M3: 1,095,356 km (0.102 R)
• M4: 2,019,122 km (0.107 R)
• M5: 3,423,697 km (0.112 R)
• M6: 4,058,141 km (0.042 R)
• M7: 6,108,530 km (0.061 R)
• M8: 6,785,460 km (0.08 R)
• M9: 7,718,652 km (0.096 R)
• M10: 8,252,716 km (0.114 R)
• M11: 9,595,207 km (0.042 R)
• M12: 10,255,233 km (0.115 R)
• M13: 10,857,514 km (0.108 R)
• M14: 11,347,148 km (0.118 R)
• M15: 11,851,443 km (0.095 R)
• M16: 13,152,794 km (0.116 R)
• M17: 14,708,163 km (0.09 R)
• M18: 15,586,153 km (0.103 R)
• M19: 16,267,272 km (0.103 R)
• M20: 16,673,730 km (0.099 R)
• M21: 17,266,137 km (0.12 R)
• M22: 19,385,939 km (0.091 R)
• M23: 20,441,203 km (0.086 R)
• M24: 21,395,637 km (0.08 R)
• M25: 22,379,542 km (0.044 R)
• M26: 25,279,647 km (0.097 R)
• M27: 25,825,529 km (0.109 R)
• M28: 26,220,168 km (0.036 R)
• M29: 27,102,646 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.2

Radius: 13.4

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.49 AU - 5.85 AU

Year: 8717 Days

Day: 14.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,387,984 km

• M1: 166,652 km (0.116 R)
• M2: 588,069 km (0.1 R)
• M3: 1,020,257 km (0.101 R)
• M4: 1,516,174 km (0.099 R)
• M5: 3,178,356 km (0.091 R)
• M6: 4,070,109 km (0.111 R)
• M7: 4,898,433 km (0.064 R)
• M8: 6,514,838 km (0.102 R)
• M9: 7,137,614 km (0.119 R)
• M10: 12,099,775 km (0.094 R)
• M11: 13,754,028 km (0.048 R)
• M12: 17,376,541 km (0.104 R)
• M13: 22,124,179 km (0.115 R)
• M14: 22,743,364 km (0.106 R)
• M15: 23,453,655 km (0.088 R)
• M16: 24,670,634 km (0.1 R)
• M17: 26,444,266 km (0.093 R)
• M18: 27,851,832 km (0.113 R)
• M19: 33,272,960 km (0.093 R)
• M20: 34,704,761 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.3

Radius: 3.8

Gravity: 14.91 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.7 AU - 8.7 AU

Year: 13796 Days

Day: 21.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,387,984 km

• M1: 49,666 km (0.103 R)
• M2: 437,125 km (0.102 R)
• M3: 832,512 km (0.07 R)
• M4: 1,093,411 km (0.118 R)
• M5: 1,660,985 km (0.099 R)
• M6: 1,945,072 km (0.119 R)
• M7: 3,100,565 km (0.025 R)
• M8: 3,322,270 km (0.093 R)
• M9: 5,918,092 km (0.116 R)
• M10: 7,246,222 km (0.079 R)
• M11: 8,936,229 km (0.059 R)
• M12: 11,964,239 km (0.065 R)
• M13: 13,013,519 km (0.103 R)
• M14: 13,241,955 km (0.119 R)
• M15: 13,765,846 km (0.029 R)
• M16: 15,869,791 km (0.029 R)
• M17: 24,473,464 km (0.08 R)
• M18: 27,444,777 km (0.071 R)
• M19: 32,916,169 km (0.106 R)
• M20: 37,093,390 km (0.114 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: 244 - 17,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit