🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.8

Radius: 14.1

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.85 AU - 0.95 AU

Year: 579 Days

Day: 5.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,058,082 km

• M1: 175,478 km (0.05 R)
• M2: 620,382 km (0.079 R)
• M3: 1,139,786 km (0.118 R)
• M4: 1,684,472 km (0.109 R)
• M5: 2,218,836 km (0.111 R)
• M6: 2,666,432 km (0.045 R)
• M7: 3,230,566 km (0.117 R)
• M8: 4,067,417 km (0.091 R)
• M9: 4,953,784 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.3

Radius: 14

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.61 AU - 1.75 AU

Year: 1477 Days

Day: 12.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 132.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,058,082 km

• M1: 175,329 km (0.081 R)
• M2: 784,790 km (0.051 R)
• M3: 1,335,161 km (0.107 R)
• M4: 1,887,626 km (0.081 R)
• M5: 2,350,183 km (0.082 R)
• M6: 3,182,396 km (0.032 R)
• M7: 3,831,052 km (0.081 R)
• M8: 4,499,306 km (0.082 R)
• M9: 5,510,438 km (0.108 R)
• M10: 6,258,277 km (0.047 R)
• M11: 8,336,192 km (0.04 R)
• M12: 9,434,390 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.3

Radius: 13.8

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.53 AU - 2.67 AU

Year: 2843 Days

Day: 7.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,058,082 km

• M1: 171,589 km (0.088 R)
• M2: 602,131 km (0.095 R)
• M3: 1,460,973 km (0.097 R)
• M4: 1,959,732 km (0.102 R)
• M5: 3,257,942 km (0.115 R)
• M6: 4,233,620 km (0.106 R)
• M7: 5,142,726 km (0.093 R)
• M8: 6,121,994 km (0.109 R)
• M9: 7,035,289 km (0.116 R)
• M10: 7,769,964 km (0.115 R)
• M11: 8,276,502 km (0.107 R)
• M12: 8,840,935 km (0.119 R)
• M13: 9,318,302 km (0.117 R)
• M14: 12,103,216 km (0.072 R)
• M15: 13,831,969 km (0.095 R)
• M16: 16,149,988 km (0.074 R)
• M17: 19,199,690 km (0.091 R)
• M18: 20,957,016 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.7

Radius: 8.3

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.85 AU - 5.09 AU

Year: 6410 Days

Day: 13.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,058,082 km

• M1: 103,223 km (0.102 R)
• M2: 375,042 km (0.09 R)
• M3: 1,400,834 km (0.067 R)
• M4: 1,947,764 km (0.11 R)
• M5: 2,553,785 km (0.105 R)
• M6: 3,333,938 km (0.076 R)
• M7: 5,433,694 km (0.068 R)
• M8: 5,902,982 km (0.109 R)
• M9: 6,833,332 km (0.092 R)
• M10: 9,018,208 km (0.091 R)
• M11: 10,445,073 km (0.089 R)
• M12: 11,088,793 km (0.093 R)
• M13: 12,366,508 km (0.051 R)
• M14: 14,959,637 km (0.108 R)
• M15: 15,467,223 km (0.082 R)
• M16: 17,557,105 km (0.068 R)
• M17: 19,050,690 km (0.119 R)
• M18: 20,814,599 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.5

Radius: 3.9

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.81 AU - 6.97 AU

Year: 10956 Days

Day: 20.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,058,082 km

• M1: 48,619 km (0.099 R)
• M2: 201,808 km (0.071 R)
• M3: 445,951 km (0.094 R)
• M4: 687,552 km (0.042 R)
• M5: 1,658,592 km (0.108 R)
• M6: 2,613,924 km (0.057 R)
• M7: 2,882,153 km (0.088 R)
• M8: 3,622,363 km (0.047 R)
• M9: 3,865,011 km (0.037 R)
• M10: 4,237,060 km (0.099 R)
• M11: 5,967,010 km (0.042 R)
• M12: 6,336,816 km (0.115 R)
• M13: 7,680,055 km (0.119 R)
• M14: 9,121,880 km (0.095 R)
• M15: 9,570,673 km (0.112 R)
• M16: 9,779,512 km (0.101 R)
• M17: 10,600,804 km (0.053 R)
• M18: 11,513,950 km (0.073 R)
• M19: 14,077,459 km (0.118 R)
• M20: 14,731,501 km (0.099 R)
• M21: 15,520,031 km (0.063 R)
• M22: 17,365,171 km (0.066 R)
• M23: 24,151,679 km (0.111 R)
• M24: 24,694,719 km (0.063 R)
• M25: 26,454,439 km (0.086 R)
• M26: 26,948,560 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.3

Radius: 7.1

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 8.82 AU - 10.16 AU

Year: 19829 Days

Day: 20.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,058,082 km

• M1: 88,412 km (0.096 R)
• M2: 524,939 km (0.11 R)
• M3: 2,263,416 km (0.076 R)
• M4: 3,402,604 km (0.116 R)
• M5: 3,929,188 km (0.099 R)
• M6: 10,105,935 km (0.116 R)
• M7: 12,170,684 km (0.048 R)
• M8: 15,316,877 km (0.098 R)
• M9: 15,877,420 km (0.114 R)
• M10: 17,565,184 km (0.098 R)
• M11: 22,884,884 km (0.111 R)
• M12: 27,617,712 km (0.112 R)
• M13: 28,868,799 km (0.099 R)
• M14: 29,508,330 km (0.12 R)
• M15: 34,133,896 km (0.099 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 17,332 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit