🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.4

Radius: 12.4

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.68 AU - 0.72 AU

Year: 397 Days

Day: 6.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,031,020 km

• M1: 154,235 km (0.036 R)
• M2: 704,008 km (0.119 R)
• M3: 1,730,249 km (0.099 R)
• M4: 2,732,256 km (0.116 R)
• M5: 3,455,262 km (0.088 R)
• M6: 3,869,050 km (0.106 R)
• M7: 4,885,866 km (0.102 R)
• M8: 5,425,466 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.8

Radius: 12.5

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.75 AU - 1.23 AU

Year: 668 Days

Day: 6.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 124 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,031,020 km

• M1: 155,432 km (0.071 R)
• M2: 608,863 km (0.096 R)
• M3: 1,109,867 km (0.1 R)
• M4: 1,591,273 km (0.062 R)
• M5: 2,019,571 km (0.112 R)
• M6: 2,688,124 km (0.04 R)
• M7: 3,115,525 km (0.113 R)
• M8: 3,537,690 km (0.076 R)
• M9: 4,067,417 km (0.116 R)
• M10: 4,634,392 km (0.061 R)
• M11: 5,041,448 km (0.045 R)
• M12: 5,472,290 km (0.102 R)
• M13: 5,927,816 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.9

Radius: 12.2

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.47 AU - 1.59 AU

Year: 1284 Days

Day: 11 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,031,020 km

• M1: 151,842 km (0.069 R)
• M2: 1,489,247 km (0.066 R)
• M3: 2,571,887 km (0.077 R)
• M4: 3,086,653 km (0.041 R)
• M5: 3,630,292 km (0.094 R)
• M6: 4,534,910 km (0.055 R)
• M7: 5,815,916 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.2

Radius: 11.1

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.83 AU - 3.93 AU

Year: 5184 Days

Day: 5.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,031,020 km

• M1: 138,228 km (0.072 R)
• M2: 508,633 km (0.086 R)
• M3: 877,392 km (0.096 R)
• M4: 1,228,647 km (0.057 R)
• M5: 1,849,179 km (0.054 R)
• M6: 2,796,283 km (0.113 R)
• M7: 4,854,900 km (0.1 R)
• M8: 7,083,310 km (0.098 R)
• M9: 8,034,154 km (0.111 R)
• M10: 9,660,432 km (0.065 R)
• M11: 10,689,516 km (0.107 R)
• M12: 11,350,738 km (0.076 R)
• M13: 15,605,003 km (0.09 R)
• M14: 17,210,188 km (0.099 R)
• M15: 20,244,182 km (0.095 R)
• M16: 20,602,020 km (0.09 R)
• M17: 22,378,345 km (0.078 R)
• M18: 22,915,103 km (0.089 R)
• M19: 24,902,810 km (0.118 R)
• M20: 26,403,276 km (0.119 R)
• M21: 31,552,285 km (0.109 R)
• M22: 32,617,721 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774

Radius: 8.9

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.91 AU - 4.93 AU

Year: 7402 Days

Day: 13.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,031,020 km

• M1: 110,702 km (0.11 R)
• M2: 408,103 km (0.038 R)
• M3: 747,241 km (0.109 R)
• M4: 1,104,331 km (0.076 R)
• M5: 1,509,293 km (0.095 R)
• M6: 1,857,407 km (0.093 R)
• M7: 3,022,625 km (0.078 R)
• M8: 3,395,273 km (0.094 R)
• M9: 4,154,333 km (0.098 R)
• M10: 4,903,818 km (0.089 R)
• M11: 5,420,230 km (0.106 R)
• M12: 6,349,382 km (0.105 R)
• M13: 7,896,374 km (0.056 R)
• M14: 9,132,501 km (0.062 R)
• M15: 9,587,428 km (0.077 R)
• M16: 9,962,021 km (0.049 R)
• M17: 10,591,679 km (0.102 R)
• M18: 21,205,648 km (0.106 R)
• M19: 21,922,820 km (0.034 R)
• M20: 26,387,419 km (0.047 R)
• M21: 26,938,687 km (0.077 R)
• M22: 28,254,849 km (0.059 R)
• M23: 28,542,376 km (0.101 R)
• M24: 35,262,013 km (0.057 R)
• M25: 37,871,748 km (0.101 R)
• M26: 40,364,647 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.1

Radius: 14.9

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.82 AU - 5.76 AU

Year: 8252 Days

Day: 13.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 93.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,031,020 km

• M1: 185,352 km (0.11 R)
• M2: 710,291 km (0.09 R)
• M3: 1,278,763 km (0.116 R)
• M4: 1,995,935 km (0.078 R)
• M5: 4,171,237 km (0.11 R)
• M6: 8,582,280 km (0.099 R)
• M7: 9,339,844 km (0.093 R)
• M8: 9,805,991 km (0.039 R)
• M9: 12,431,134 km (0.11 R)
• M10: 13,053,761 km (0.096 R)
• M11: 14,178,138 km (0.091 R)
• M12: 16,960,509 km (0.09 R)
• M13: 19,105,742 km (0.075 R)
• M14: 21,587,422 km (0.104 R)
• M15: 27,562,510 km (0.119 R)
• M16: 31,548,545 km (0.118 R)
• M17: 32,072,287 km (0.057 R)
• M18: 33,245,284 km (0.103 R)
• M19: 34,116,243 km (0.03 R)
• M20: 38,106,467 km (0.113 R)
• M21: 40,152,667 km (0.085 R)
• M22: 40,644,545 km (0.1 R)
• M23: 41,140,462 km (0.119 R)
• M24: 41,640,418 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.1

Radius: 5

Gravity: 35.32 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.85 AU - 8.91 AU

Year: 13598 Days

Day: 24.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,031,020 km

• M1: 62,233 km (0.093 R)
• M2: 319,242 km (0.069 R)
• M3: 621,430 km (0.115 R)
• M4: 800,648 km (0.108 R)
• M5: 980,016 km (0.11 R)
• M6: 1,173,595 km (0.086 R)
• M7: 2,689,022 km (0.05 R)
• M8: 3,408,587 km (0.094 R)
• M9: 3,684,296 km (0.094 R)
• M10: 4,938,226 km (0.11 R)
• M11: 7,588,053 km (0.062 R)
• M12: 8,953,283 km (0.027 R)
• M13: 11,908,738 km (0.09 R)
• M14: 13,000,653 km (0.074 R)
• M15: 13,266,938 km (0.108 R)
• M16: 19,044,407 km (0.083 R)
• M17: 28,142,950 km (0.095 R)
• M18: 28,588,751 km (0.12 R)
• M19: 29,494,267 km (0.064 R)
• M20: 34,310,272 km (0.089 R)
• M21: 49,066,157 km (0.09 R)
• M22: 53,024,217 km (0.066 R)
• M23: 54,734,420 km (0.067 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 14,574 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit