🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.5

Radius: 11.7

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.41 AU - 0.65 AU

Year: 257 Days

Day: 10.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,508,167 km

• M1: 145,708 km (0.088 R)
• M2: 591,061 km (0.107 R)
• M3: 1,150,258 km (0.064 R)
• M4: 1,540,858 km (0.037 R)
• M5: 1,912,310 km (0.04 R)
• M6: 2,414,809 km (0.112 R)
• M7: 2,986,273 km (0.115 R)
• M8: 3,541,879 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.8

Radius: 13.5

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.47 AU - 0.65 AU

Year: 279 Days

Day: 5.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,508,167 km

• M1: 167,849 km (0.061 R)
• M2: 650,601 km (0.108 R)
• M3: 1,083,238 km (0.085 R)
• M4: 1,563,447 km (0.099 R)
• M5: 2,659,401 km (0.062 R)
• M6: 3,136,918 km (0.073 R)
• M7: 3,625,953 km (0.097 R)
• M8: 4,383,816 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.8

Radius: 8.1

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.08 AU - 1.16 AU

Year: 790 Days

Day: 7.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,508,167 km

• M1: 100,679 km (0.096 R)
• M2: 504,743 km (0.051 R)
• M3: 788,381 km (0.088 R)
• M4: 1,106,276 km (0.055 R)
• M5: 1,571,226 km (0.119 R)
• M6: 2,312,035 km (0.089 R)
• M7: 2,855,225 km (0.116 R)
• M8: 3,332,891 km (0.038 R)
• M9: 4,241,249 km (0.101 R)
• M10: 4,512,620 km (0.106 R)
• M11: 5,072,714 km (0.083 R)
• M12: 5,545,892 km (0.067 R)
• M13: 5,890,566 km (0.094 R)
• M14: 6,351,626 km (0.059 R)
• M15: 7,856,731 km (0.053 R)
• M16: 8,341,278 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.3

Radius: 11.9

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.45 AU - 1.57 AU

Year: 1237 Days

Day: 12.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,508,167 km

• M1: 147,952 km (0.094 R)
• M2: 520,002 km (0.075 R)
• M3: 1,609,673 km (0.101 R)
• M4: 2,619,608 km (0.073 R)
• M5: 3,316,734 km (0.106 R)
• M6: 3,709,878 km (0.097 R)
• M7: 5,020,505 km (0.102 R)
• M8: 7,995,408 km (0.074 R)
• M9: 8,590,807 km (0.04 R)
• M10: 9,998,673 km (0.095 R)
• M11: 11,590,394 km (0.072 R)
• M12: 12,881,274 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996

Radius: 14.6

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.77 AU - 2.85 AU

Year: 2341 Days

Day: 12.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,508,167 km

• M1: 181,612 km (0.084 R)
• M2: 796,609 km (0.084 R)
• M3: 1,394,402 km (0.083 R)
• M4: 1,876,256 km (0.073 R)
• M5: 2,345,246 km (0.118 R)
• M6: 3,658,117 km (0.047 R)
• M7: 4,191,583 km (0.087 R)
• M8: 5,668,114 km (0.117 R)
• M9: 6,610,580 km (0.06 R)
• M10: 8,635,986 km (0.046 R)
• M11: 9,157,035 km (0.111 R)
• M12: 10,650,022 km (0.107 R)
• M13: 11,128,286 km (0.097 R)
• M14: 12,693,828 km (0.032 R)
• M15: 13,460,667 km (0.114 R)
• M16: 14,987,762 km (0.052 R)
• M17: 15,793,346 km (0.086 R)
• M18: 16,363,913 km (0.113 R)
• M19: 17,822,642 km (0.114 R)
• M20: 19,484,524 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.5

Radius: 8.4

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.29 AU - 3.55 AU

Year: 3327 Days

Day: 5.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,508,167 km

• M1: 104,569 km (0.047 R)
• M2: 446,849 km (0.089 R)
• M3: 765,193 km (0.089 R)
• M4: 1,292,077 km (0.102 R)
• M5: 2,924,938 km (0.045 R)
• M6: 4,039,741 km (0.084 R)
• M7: 4,925,959 km (0.048 R)
• M8: 5,389,862 km (0.092 R)
• M9: 7,994,061 km (0.097 R)
• M10: 9,021,948 km (0.071 R)
• M11: 10,290,538 km (0.098 R)
• M12: 10,685,327 km (0.093 R)
• M13: 11,296,434 km (0.09 R)
• M14: 11,716,655 km (0.045 R)
• M15: 12,454,771 km (0.108 R)
• M16: 13,832,717 km (0.088 R)
• M17: 15,513,898 km (0.1 R)
• M18: 16,138,618 km (0.115 R)
• M19: 17,886,221 km (0.106 R)
• M20: 19,217,941 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485

Radius: 9

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4 AU - 4.51 AU

Year: 5843 Days

Day: 10.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 146.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,508,167 km

• M1: 111,899 km (0.101 R)
• M2: 473,776 km (0.07 R)
• M3: 931,247 km (0.116 R)
• M4: 1,534,725 km (0.119 R)
• M5: 4,151,341 km (0.116 R)
• M6: 4,565,577 km (0.092 R)
• M7: 5,252,232 km (0.052 R)
• M8: 5,826,089 km (0.075 R)
• M9: 6,128,426 km (0.119 R)
• M10: 6,601,455 km (0.118 R)
• M11: 7,692,323 km (0.098 R)
• M12: 9,341,789 km (0.057 R)
• M13: 9,672,849 km (0.104 R)
• M14: 10,848,538 km (0.1 R)
• M15: 11,168,379 km (0.109 R)
• M16: 12,761,596 km (0.026 R)
• M17: 13,118,237 km (0.065 R)
• M18: 14,065,641 km (0.053 R)
• M19: 14,945,575 km (0.105 R)
• M20: 17,995,577 km (0.097 R)
• M21: 19,363,948 km (0.062 R)
• M22: 20,383,009 km (0.119 R)
• M23: 22,453,743 km (0.106 R)
• M24: 23,274,736 km (0.105 R)
• M25: 23,654,415 km (0.084 R)
• M26: 24,976,561 km (0.103 R)
• M27: 25,938,924 km (0.086 R)
• M28: 28,366,449 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.9

Radius: 5.6

Gravity: 29.01 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.3 AU - 6.82 AU

Year: 9948 Days

Day: 21.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 155.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,508,167 km

• M1: 69,713 km (0.096 R)
• M2: 288,425 km (0.072 R)
• M3: 683,064 km (0.047 R)
• M4: 879,187 km (0.089 R)
• M5: 1,572,124 km (0.087 R)
• M6: 1,853,218 km (0.059 R)
• M7: 2,356,765 km (0.049 R)
• M8: 2,640,552 km (0.116 R)
• M9: 3,400,659 km (0.116 R)
• M10: 3,817,588 km (0.083 R)
• M11: 4,238,856 km (0.072 R)
• M12: 4,690,641 km (0.098 R)
• M13: 5,107,571 km (0.063 R)
• M14: 5,376,099 km (0.069 R)
• M15: 5,618,896 km (0.079 R)
• M16: 5,868,874 km (0.09 R)
• M17: 6,507,208 km (0.117 R)
• M18: 9,034,215 km (0.05 R)
• M19: 10,675,902 km (0.097 R)
• M20: 12,386,704 km (0.07 R)
• M21: 14,404,181 km (0.046 R)
• M22: 15,352,033 km (0.093 R)
• M23: 16,412,981 km (0.115 R)
• M24: 22,637,599 km (0.102 R)
• M25: 24,102,910 km (0.112 R)
• M26: 25,050,313 km (0.045 R)
• M27: 25,339,187 km (0.093 R)
• M28: 25,923,815 km (0.111 R)
• M29: 26,318,604 km (0.093 R)
• M30: 27,834,479 km (0.117 R)
• M31: 30,053,315 km (0.119 R)
• M32: 33,891,098 km (0.051 R)
• M33: 37,663,658 km (0.117 R)
• M34: 40,504,671 km (0.05 R)
• M35: 47,192,593 km (0.067 R)
• M36: 50,183,653 km (0.087 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 11,271 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit