🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.5

Radius: 14.8

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.57 AU - 0.59 AU

Year: 300 Days

Day: 8.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,351,261 km

• M1: 186,399 km (0.115 R)
• M2: 661,073 km (0.067 R)
• M3: 1,125,126 km (0.106 R)
• M4: 1,638,396 km (0.114 R)
• M5: 2,138,053 km (0.058 R)
• M6: 2,823,809 km (0.068 R)
• M7: 3,477,702 km (0.098 R)
• M8: 4,072,503 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369

Radius: 14.2

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.77 AU - 2.57 AU

Year: 2168 Days

Day: 10.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 58.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,351,261 km

• M1: 176,525 km (0.064 R)
• M2: 927,208 km (0.087 R)
• M3: 1,393,205 km (0.108 R)
• M4: 1,841,999 km (0.103 R)
• M5: 2,959,195 km (0.119 R)
• M6: 3,618,922 km (0.052 R)
• M7: 4,394,437 km (0.075 R)
• M8: 4,882,874 km (0.114 R)
• M9: 7,427,085 km (0.115 R)
• M10: 9,234,826 km (0.113 R)
• M11: 9,680,628 km (0.086 R)
• M12: 13,019,353 km (0.111 R)
• M13: 13,500,011 km (0.117 R)
• M14: 13,992,338 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.4

Radius: 9.8

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.97 AU - 3.49 AU

Year: 3937 Days

Day: 13.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,351,261 km

• M1: 126,560 km (0.101 R)
• M2: 488,886 km (0.081 R)
• M3: 891,454 km (0.052 R)
• M4: 1,449,454 km (0.104 R)
• M5: 2,184,279 km (0.086 R)
• M6: 2,547,502 km (0.079 R)
• M7: 3,657,070 km (0.081 R)
• M8: 3,973,768 km (0.065 R)
• M9: 4,542,689 km (0.097 R)
• M10: 5,087,524 km (0.11 R)
• M11: 5,510,587 km (0.074 R)
• M12: 6,189,313 km (0.087 R)
• M13: 6,518,578 km (0.118 R)
• M14: 8,416,675 km (0.055 R)
• M15: 9,433,642 km (0.103 R)
• M16: 11,665,044 km (0.07 R)
• M17: 14,696,644 km (0.094 R)
• M18: 15,666,787 km (0.063 R)
• M19: 18,035,220 km (0.089 R)
• M20: 24,794,052 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.4

Radius: 12.6

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.74 AU - 3.84 AU

Year: 4047 Days

Day: 13.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,351,261 km

• M1: 158,275 km (0.087 R)
• M2: 1,231,041 km (0.081 R)
• M3: 1,796,371 km (0.061 R)
• M4: 2,211,805 km (0.083 R)
• M5: 2,825,904 km (0.088 R)
• M6: 3,433,271 km (0.061 R)
• M7: 4,585,624 km (0.082 R)
• M8: 5,079,147 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.4

Radius: 11.2

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.14 AU - 4.16 AU

Year: 4730 Days

Day: 14.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,351,261 km

• M1: 139,425 km (0.111 R)
• M2: 993,779 km (0.069 R)
• M3: 2,169,618 km (0.077 R)
• M4: 2,613,475 km (0.113 R)
• M5: 3,234,007 km (0.089 R)
• M6: 4,064,425 km (0.09 R)
• M7: 4,744,197 km (0.07 R)
• M8: 5,786,296 km (0.116 R)
• M9: 7,662,553 km (0.104 R)
• M10: 8,059,735 km (0.032 R)
• M11: 9,173,192 km (0.09 R)
• M12: 10,256,280 km (0.034 R)
• M13: 12,086,012 km (0.029 R)
• M14: 12,575,646 km (0.051 R)
• M15: 14,070,577 km (0.076 R)
• M16: 16,441,105 km (0.051 R)
• M17: 17,846,428 km (0.084 R)
• M18: 20,755,508 km (0.086 R)
• M19: 21,245,740 km (0.076 R)
• M20: 21,672,094 km (0.063 R)
• M21: 27,327,941 km (0.084 R)
• M22: 28,687,187 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.4

Radius: 6.7

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.54 AU - 6.04 AU

Year: 9450 Days

Day: 16.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,351,261 km

• M1: 110,254 km (0.111 R)
• M2: 425,905 km (0.103 R)
• M3: 931,696 km (0.091 R)
• M4: 1,370,316 km (0.092 R)
• M5: 1,613,862 km (0.093 R)
• M6: 1,912,609 km (0.111 R)
• M7: 2,307,398 km (0.054 R)
• M8: 6,436,748 km (0.092 R)
• M9: 7,657,167 km (0.102 R)
• M10: 9,062,789 km (0.073 R)
• M11: 10,049,387 km (0.071 R)
• M12: 10,337,961 km (0.044 R)
• M13: 12,850,307 km (0.068 R)
• M14: 13,737,423 km (0.092 R)
• M15: 14,402,834 km (0.107 R)
• M16: 15,632,678 km (0.104 R)
• M17: 16,815,249 km (0.113 R)
• M18: 17,755,472 km (0.044 R)
• M19: 18,792,485 km (0.099 R)
• M20: 24,218,399 km (0.099 R)
• M21: 24,812,602 km (0.025 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.4

Radius: 6.7

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.7 AU - 5.94 AU

Year: 9523 Days

Day: 20.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 171.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,351,261 km

• M1: 83,924 km (0.114 R)
• M2: 448,494 km (0.107 R)
• M3: 892,650 km (0.106 R)
• M4: 1,140,684 km (0.062 R)
• M5: 2,311,138 km (0.093 R)
• M6: 3,193,466 km (0.09 R)
• M7: 3,616,977 km (0.101 R)
• M8: 4,494,818 km (0.094 R)
• M9: 4,969,043 km (0.051 R)
• M10: 5,919,139 km (0.12 R)
• M11: 7,279,732 km (0.086 R)
• M12: 7,544,370 km (0.049 R)
• M13: 8,584,075 km (0.035 R)
• M14: 9,402,077 km (0.102 R)
• M15: 9,852,815 km (0.114 R)
• M16: 11,698,404 km (0.088 R)
• M17: 12,756,958 km (0.036 R)
• M18: 13,031,321 km (0.078 R)
• M19: 13,478,319 km (0.078 R)
• M20: 19,093,027 km (0.05 R)
• M21: 20,036,092 km (0.097 R)
• M22: 23,213,700 km (0.079 R)
• M23: 36,134,917 km (0.074 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 10,434 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit