🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.7

Radius: 12.8

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.43 AU - 0.59 AU

Year: 243 Days

Day: 13.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,343,749 km

• M1: 159,172 km (0.072 R)
• M2: 773,271 km (0.057 R)
• M3: 1,177,784 km (0.117 R)
• M4: 1,665,024 km (0.102 R)
• M5: 2,131,321 km (0.092 R)
• M6: 2,544,660 km (0.103 R)
• M7: 3,060,772 km (0.11 R)
• M8: 3,525,723 km (0.096 R)
• M9: 4,061,881 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.8

Radius: 9.4

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.65 AU - 0.87 AU

Year: 442 Days

Day: 8.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,343,749 km

• M1: 117,285 km (0.073 R)
• M2: 413,788 km (0.1 R)
• M3: 994,527 km (0.025 R)
• M4: 1,357,750 km (0.072 R)
• M5: 1,786,797 km (0.111 R)
• M6: 2,110,228 km (0.097 R)
• M7: 2,855,823 km (0.102 R)
• M8: 4,166,002 km (0.04 R)
• M9: 4,577,695 km (0.105 R)
• M10: 5,094,855 km (0.115 R)
• M11: 5,433,395 km (0.114 R)
• M12: 5,943,224 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.8

Radius: 10.9

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.11 AU - 1.63 AU

Year: 1069 Days

Day: 9.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,343,749 km

• M1: 135,536 km (0.093 R)
• M2: 522,845 km (0.102 R)
• M3: 866,620 km (0.095 R)
• M4: 1,232,537 km (0.064 R)
• M5: 1,589,178 km (0.086 R)
• M6: 2,272,840 km (0.102 R)
• M7: 2,712,209 km (0.075 R)
• M8: 3,104,156 km (0.096 R)
• M9: 3,749,072 km (0.1 R)
• M10: 4,448,293 km (0.098 R)
• M11: 4,820,642 km (0.087 R)
• M12: 5,609,172 km (0.029 R)
• M13: 6,126,332 km (0.117 R)
• M14: 7,233,356 km (0.053 R)
• M15: 7,750,217 km (0.116 R)
• M16: 8,342,026 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807

Radius: 13.3

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.39 AU - 1.61 AU

Year: 1225 Days

Day: 13.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,343,749 km

• M1: 165,455 km (0.079 R)
• M2: 730,786 km (0.098 R)
• M3: 1,295,817 km (0.071 R)
• M4: 1,819,260 km (0.042 R)
• M5: 2,644,890 km (0.087 R)
• M6: 3,871,443 km (0.102 R)
• M7: 4,391,894 km (0.113 R)
• M8: 5,199,124 km (0.057 R)
• M9: 5,638,793 km (0.118 R)
• M10: 6,080,555 km (0.103 R)
• M11: 7,185,485 km (0.053 R)
• M12: 8,420,116 km (0.028 R)
• M13: 9,088,370 km (0.117 R)
• M14: 9,760,363 km (0.091 R)
• M15: 11,033,142 km (0.117 R)
• M16: 11,551,050 km (0.061 R)
• M17: 12,266,876 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.8

Radius: 8.8

Gravity: 11.77 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.14 AU - 5.04 AU

Year: 6558 Days

Day: 10.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,343,749 km

• M1: 109,506 km (0.036 R)
• M2: 446,400 km (0.076 R)
• M3: 823,237 km (0.119 R)
• M4: 1,280,408 km (0.063 R)
• M5: 1,992,195 km (0.083 R)
• M6: 2,518,480 km (0.079 R)
• M7: 3,654,227 km (0.111 R)
• M8: 4,074,298 km (0.11 R)
• M9: 4,981,759 km (0.093 R)
• M10: 5,594,063 km (0.12 R)
• M11: 6,640,949 km (0.065 R)
• M12: 8,985,895 km (0.096 R)
• M13: 9,296,460 km (0.12 R)
• M14: 13,147,708 km (0.066 R)
• M15: 14,616,909 km (0.059 R)
• M16: 16,586,814 km (0.082 R)
• M17: 17,122,673 km (0.07 R)
• M18: 17,463,457 km (0.104 R)
• M19: 19,162,290 km (0.113 R)
• M20: 19,752,155 km (0.061 R)
• M21: 21,280,148 km (0.093 R)
• M22: 25,178,369 km (0.106 R)
• M23: 28,850,398 km (0.084 R)
• M24: 32,033,841 km (0.04 R)
• M25: 33,709,935 km (0.084 R)
• M26: 38,154,937 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.2

Radius: 7.8

Gravity: 15.17 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.65 AU - 9.21 AU

Year: 14892 Days

Day: 15.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,343,749 km

• M1: 103,223 km (0.118 R)
• M2: 363,822 km (0.051 R)
• M3: 1,921,585 km (0.065 R)
• M4: 2,442,036 km (0.119 R)
• M5: 2,977,746 km (0.119 R)
• M6: 3,234,007 km (0.118 R)
• M7: 4,745,394 km (0.11 R)
• M8: 5,132,553 km (0.101 R)
• M9: 5,694,293 km (0.119 R)
• M10: 5,970,152 km (0.054 R)
• M11: 6,677,600 km (0.058 R)
• M12: 9,029,428 km (0.079 R)
• M13: 10,073,921 km (0.12 R)
• M14: 10,833,579 km (0.106 R)
• M15: 12,466,589 km (0.09 R)
• M16: 13,619,091 km (0.093 R)
• M17: 31,329,085 km (0.093 R)
• M18: 34,349,616 km (0.101 R)
• M19: 34,740,216 km (0.083 R)
• M20: 38,112,302 km (0.069 R)
• M21: 39,520,167 km (0.104 R)
• M22: 43,039,906 km (0.113 R)
• M23: 47,403,825 km (0.073 R)
• M24: 49,526,619 km (0.079 R)
• M25: 54,312,405 km (0.066 R)

Asteroid Belt

Center: 9.38 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.7

Radius: 7.6

Gravity: 11.44 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 8.26 AU - 13.4 AU

Year: 23767 Days

Day: 20.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,343,749 km

• M1: 206,595 km (0.077 R)
• M2: 700,118 km (0.105 R)
• M3: 1,789,939 km (0.104 R)
• M4: 4,608,811 km (0.11 R)
• M5: 6,516,483 km (0.108 R)
• M6: 6,981,583 km (0.101 R)
• M7: 9,706,059 km (0.109 R)
• M8: 12,995,567 km (0.116 R)
• M9: 15,129,132 km (0.088 R)
• M10: 17,309,670 km (0.118 R)
• M11: 19,691,568 km (0.117 R)
• M12: 22,076,607 km (0.025 R)
• M13: 24,205,833 km (0.083 R)
• M14: 31,540,317 km (0.114 R)
• M15: 32,466,478 km (0.109 R)
• M16: 47,058,553 km (0.098 R)
• M17: 50,207,888 km (0.074 R)
• M18: 54,432,980 km (0.09 R)
• M19: 68,299,057 km (0.101 R)
• M20: 76,748,944 km (0.102 R)
• M21: 78,422,196 km (0.081 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 12,356 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit