🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.7

Radius: 10.5

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.86 AU - 1.24 AU

Year: 730 Days

Day: 10.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,372,285 km

• M1: 130,599 km (0.104 R)
• M2: 627,713 km (0.11 R)
• M3: 1,021,903 km (0.057 R)
• M4: 1,368,521 km (0.102 R)
• M5: 1,821,803 km (0.077 R)
• M6: 2,195,349 km (0.103 R)
• M7: 2,631,726 km (0.097 R)
• M8: 2,996,595 km (0.095 R)
• M9: 3,395,423 km (0.085 R)
• M10: 4,155,230 km (0.08 R)
• M11: 5,079,446 km (0.12 R)
• M12: 5,512,532 km (0.119 R)
• M13: 5,888,771 km (0.093 R)
• M14: 6,367,334 km (0.1 R)
• M15: 6,916,658 km (0.071 R)
• M16: 7,885,902 km (0.076 R)
• M17: 8,262,290 km (0.098 R)
• M18: 8,703,305 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594

Radius: 13.2

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.74 AU - 1.96 AU

Year: 1707 Days

Day: 6.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,372,285 km

• M1: 165,605 km (0.042 R)
• M2: 818,001 km (0.097 R)
• M3: 1,300,454 km (0.104 R)
• M4: 1,740,122 km (0.101 R)
• M5: 2,352,875 km (0.09 R)
• M6: 2,834,281 km (0.108 R)
• M7: 3,590,199 km (0.051 R)
• M8: 4,288,672 km (0.105 R)
• M9: 5,159,930 km (0.062 R)
• M10: 5,888,322 km (0.117 R)
• M11: 6,485,068 km (0.102 R)
• M12: 6,939,396 km (0.067 R)
• M13: 7,442,045 km (0.119 R)
• M14: 7,912,381 km (0.087 R)
• M15: 8,343,672 km (0.043 R)
• M16: 9,285,540 km (0.045 R)
• M17: 10,062,252 km (0.091 R)
• M18: 10,603,946 km (0.112 R)
• M19: 11,598,622 km (0.099 R)
• M20: 13,007,385 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.4

Radius: 14.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.36 AU - 2.84 AU

Year: 2843 Days

Day: 13.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,372,285 km

• M1: 184,155 km (0.07 R)
• M2: 661,372 km (0.104 R)
• M3: 2,144,186 km (0.066 R)
• M4: 2,921,497 km (0.099 R)
• M5: 3,608,899 km (0.114 R)
• M6: 5,410,207 km (0.109 R)
• M7: 5,875,756 km (0.12 R)
• M8: 8,865,020 km (0.104 R)
• M9: 9,477,923 km (0.119 R)
• M10: 15,812,345 km (0.109 R)
• M11: 16,770,071 km (0.11 R)
• M12: 18,801,161 km (0.115 R)
• M13: 19,937,058 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370

Radius: 10.6

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.62 AU - 2.96 AU

Year: 3161 Days

Day: 8.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,372,285 km

• M1: 131,945 km (0.04 R)
• M2: 1,134,101 km (0.098 R)
• M3: 1,464,114 km (0.102 R)
• M4: 1,939,836 km (0.103 R)
• M5: 2,286,454 km (0.062 R)
• M6: 4,542,988 km (0.087 R)
• M7: 7,567,109 km (0.119 R)
• M8: 8,340,979 km (0.087 R)
• M9: 9,901,883 km (0.101 R)
• M10: 10,981,082 km (0.109 R)
• M11: 12,344,068 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.6

Radius: 8.6

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.65 AU - 4.45 AU

Year: 5528 Days

Day: 14.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,372,285 km

• M1: 107,112 km (0.114 R)
• M2: 480,808 km (0.094 R)
• M3: 765,193 km (0.088 R)
• M4: 1,066,932 km (0.103 R)
• M5: 1,703,621 km (0.057 R)
• M6: 2,002,367 km (0.108 R)
• M7: 2,336,120 km (0.07 R)
• M8: 2,758,136 km (0.09 R)
• M9: 3,154,271 km (0.11 R)
• M10: 4,575,451 km (0.055 R)
• M11: 5,790,485 km (0.098 R)
• M12: 6,659,648 km (0.11 R)
• M13: 7,821,425 km (0.076 R)
• M14: 8,395,283 km (0.109 R)
• M15: 12,159,764 km (0.08 R)
• M16: 13,377,042 km (0.043 R)
• M17: 14,041,406 km (0.112 R)
• M18: 18,372,264 km (0.058 R)
• M19: 18,685,073 km (0.102 R)
• M20: 20,169,832 km (0.052 R)
• M21: 21,523,394 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712

Radius: 10.2

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.23 AU - 6.39 AU

Year: 8299 Days

Day: 5.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 138.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,372,285 km

• M1: 200,760 km (0.097 R)
• M2: 545,883 km (0.115 R)
• M3: 886,966 km (0.117 R)
• M4: 1,304,344 km (0.117 R)
• M5: 1,621,791 km (0.033 R)
• M6: 2,088,536 km (0.108 R)
• M7: 2,741,680 km (0.107 R)
• M8: 4,074,896 km (0.052 R)
• M9: 5,503,107 km (0.086 R)
• M10: 6,242,869 km (0.092 R)
• M11: 6,747,313 km (0.077 R)
• M12: 7,278,684 km (0.107 R)
• M13: 8,044,326 km (0.104 R)
• M14: 8,468,436 km (0.071 R)
• M15: 9,177,979 km (0.119 R)
• M16: 10,023,057 km (0.11 R)
• M17: 10,564,602 km (0.101 R)
• M18: 11,177,355 km (0.047 R)
• M19: 13,868,471 km (0.113 R)
• M20: 15,171,468 km (0.069 R)
• M21: 22,931,708 km (0.085 R)
• M22: 23,270,846 km (0.072 R)
• M23: 24,749,472 km (0.106 R)
• M24: 25,921,870 km (0.084 R)
• M25: 27,605,594 km (0.101 R)
• M26: 33,854,148 km (0.036 R)
• M27: 42,879,686 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.4

Radius: 4.8

Gravity: 15.99 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 7.16 AU - 8.38 AU

Year: 14690 Days

Day: 22.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 137.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,372,285 km

• M1: 62,083 km (0.092 R)
• M2: 289,771 km (0.073 R)
• M3: 2,161,839 km (0.08 R)
• M4: 2,691,714 km (0.118 R)
• M5: 3,160,405 km (0.116 R)
• M6: 4,644,415 km (0.1 R)
• M7: 5,658,689 km (0.091 R)
• M8: 6,051,683 km (0.073 R)
• M9: 8,204,246 km (0.046 R)
• M10: 16,804,329 km (0.087 R)
• M11: 23,298,522 km (0.045 R)
• M12: 24,397,767 km (0.079 R)
• M13: 29,036,199 km (0.06 R)
• M14: 31,286,300 km (0.071 R)
• M15: 41,848,508 km (0.078 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: 347 - 11,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit